18.44/8.38 NO 18.44/8.38 18.44/8.38 Ultimate: Cannot open display: 18.44/8.38 This is Ultimate 0.1.24-8dc7c08-m 18.44/8.38 [2019-03-29 01:51:59,901 INFO L170 SettingsManager]: Resetting all preferences to default values... 18.44/8.38 [2019-03-29 01:51:59,903 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 18.44/8.38 [2019-03-29 01:51:59,915 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 18.44/8.38 [2019-03-29 01:51:59,915 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 18.44/8.38 [2019-03-29 01:51:59,916 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 18.44/8.38 [2019-03-29 01:51:59,917 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 18.44/8.38 [2019-03-29 01:51:59,919 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 18.44/8.38 [2019-03-29 01:51:59,920 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 18.44/8.38 [2019-03-29 01:51:59,921 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 18.44/8.38 [2019-03-29 01:51:59,922 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 18.44/8.38 [2019-03-29 01:51:59,922 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 18.44/8.38 [2019-03-29 01:51:59,923 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 18.44/8.38 [2019-03-29 01:51:59,924 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 18.44/8.38 [2019-03-29 01:51:59,925 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 18.44/8.38 [2019-03-29 01:51:59,925 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 18.44/8.38 [2019-03-29 01:51:59,926 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 18.44/8.38 [2019-03-29 01:51:59,928 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 18.44/8.38 [2019-03-29 01:51:59,930 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 18.44/8.38 [2019-03-29 01:51:59,931 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 18.44/8.38 [2019-03-29 01:51:59,932 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 18.44/8.38 [2019-03-29 01:51:59,933 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 18.44/8.38 [2019-03-29 01:51:59,935 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 18.44/8.38 [2019-03-29 01:51:59,936 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 18.44/8.38 [2019-03-29 01:51:59,936 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 18.44/8.38 [2019-03-29 01:51:59,937 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 18.44/8.38 [2019-03-29 01:51:59,937 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 18.44/8.38 [2019-03-29 01:51:59,938 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 18.44/8.38 [2019-03-29 01:51:59,938 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 18.44/8.38 [2019-03-29 01:51:59,939 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 18.44/8.38 [2019-03-29 01:51:59,940 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 18.44/8.38 [2019-03-29 01:51:59,940 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 18.44/8.38 [2019-03-29 01:51:59,941 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 18.44/8.38 [2019-03-29 01:51:59,942 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 18.44/8.38 [2019-03-29 01:51:59,942 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 18.44/8.38 [2019-03-29 01:51:59,942 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 18.44/8.38 [2019-03-29 01:51:59,943 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 18.44/8.38 [2019-03-29 01:51:59,944 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 18.44/8.38 [2019-03-29 01:51:59,944 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 18.44/8.38 [2019-03-29 01:51:59,944 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 18.44/8.38 [2019-03-29 01:51:59,959 INFO L110 SettingsManager]: Loading preferences was successful 18.44/8.38 [2019-03-29 01:51:59,960 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 18.44/8.38 [2019-03-29 01:51:59,961 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 18.44/8.38 [2019-03-29 01:51:59,961 INFO L133 SettingsManager]: * Rewrite not-equals=true 18.44/8.38 [2019-03-29 01:51:59,961 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 18.44/8.38 [2019-03-29 01:51:59,961 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 18.44/8.38 [2019-03-29 01:51:59,961 INFO L133 SettingsManager]: * Use SBE=true 18.44/8.38 [2019-03-29 01:51:59,962 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 18.44/8.38 [2019-03-29 01:51:59,962 INFO L133 SettingsManager]: * Use old map elimination=false 18.44/8.38 [2019-03-29 01:51:59,962 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 18.44/8.38 [2019-03-29 01:51:59,962 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 18.44/8.38 [2019-03-29 01:51:59,962 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 18.44/8.38 [2019-03-29 01:51:59,962 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 18.44/8.38 [2019-03-29 01:51:59,963 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 18.44/8.38 [2019-03-29 01:51:59,963 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.44/8.38 [2019-03-29 01:51:59,963 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 18.44/8.38 [2019-03-29 01:51:59,963 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 18.44/8.38 [2019-03-29 01:51:59,963 INFO L133 SettingsManager]: * Check division by zero=IGNORE 18.44/8.38 [2019-03-29 01:51:59,963 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 18.44/8.38 [2019-03-29 01:51:59,964 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 18.44/8.38 [2019-03-29 01:51:59,964 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 18.44/8.38 [2019-03-29 01:51:59,964 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 18.44/8.38 [2019-03-29 01:51:59,964 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 18.44/8.38 [2019-03-29 01:51:59,964 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 18.44/8.38 [2019-03-29 01:51:59,964 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 18.44/8.38 [2019-03-29 01:51:59,965 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 18.44/8.38 [2019-03-29 01:51:59,965 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 18.44/8.38 [2019-03-29 01:51:59,965 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 18.44/8.38 [2019-03-29 01:51:59,965 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 18.44/8.38 [2019-03-29 01:51:59,991 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 18.44/8.38 [2019-03-29 01:52:00,004 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 18.44/8.38 [2019-03-29 01:52:00,008 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 18.44/8.38 [2019-03-29 01:52:00,009 INFO L271 PluginConnector]: Initializing CDTParser... 18.44/8.38 [2019-03-29 01:52:00,010 INFO L276 PluginConnector]: CDTParser initialized 18.44/8.38 [2019-03-29 01:52:00,010 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 18.44/8.38 [2019-03-29 01:52:00,068 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/487fee67faf348298ffa364f9a5247f9/FLAGb62ee7a1f 18.44/8.38 [2019-03-29 01:52:00,412 INFO L307 CDTParser]: Found 1 translation units. 18.44/8.38 [2019-03-29 01:52:00,412 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 18.44/8.38 [2019-03-29 01:52:00,419 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/487fee67faf348298ffa364f9a5247f9/FLAGb62ee7a1f 18.44/8.38 [2019-03-29 01:52:00,812 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/487fee67faf348298ffa364f9a5247f9 18.44/8.38 [2019-03-29 01:52:00,824 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 18.44/8.38 [2019-03-29 01:52:00,825 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 18.44/8.38 [2019-03-29 01:52:00,826 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 18.44/8.38 [2019-03-29 01:52:00,827 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 18.44/8.38 [2019-03-29 01:52:00,831 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 18.44/8.38 [2019-03-29 01:52:00,832 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 01:52:00" (1/1) ... 18.44/8.38 [2019-03-29 01:52:00,835 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30f31014 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:52:00, skipping insertion in model container 18.44/8.38 [2019-03-29 01:52:00,835 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 01:52:00" (1/1) ... 18.44/8.38 [2019-03-29 01:52:00,844 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 18.44/8.38 [2019-03-29 01:52:00,862 INFO L176 MainTranslator]: Built tables and reachable declarations 18.44/8.38 [2019-03-29 01:52:01,023 INFO L206 PostProcessor]: Analyzing one entry point: main 18.44/8.38 [2019-03-29 01:52:01,028 INFO L191 MainTranslator]: Completed pre-run 18.44/8.38 [2019-03-29 01:52:01,045 INFO L206 PostProcessor]: Analyzing one entry point: main 18.44/8.38 [2019-03-29 01:52:01,061 INFO L195 MainTranslator]: Completed translation 18.44/8.38 [2019-03-29 01:52:01,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:52:01 WrapperNode 18.44/8.38 [2019-03-29 01:52:01,062 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 18.44/8.38 [2019-03-29 01:52:01,062 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 18.44/8.38 [2019-03-29 01:52:01,063 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 18.44/8.38 [2019-03-29 01:52:01,063 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 18.44/8.38 [2019-03-29 01:52:01,133 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:52:01" (1/1) ... 18.44/8.38 [2019-03-29 01:52:01,138 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:52:01" (1/1) ... 18.44/8.38 [2019-03-29 01:52:01,158 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 18.44/8.38 [2019-03-29 01:52:01,159 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 18.44/8.38 [2019-03-29 01:52:01,159 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 18.44/8.38 [2019-03-29 01:52:01,159 INFO L276 PluginConnector]: Boogie Preprocessor initialized 18.44/8.38 [2019-03-29 01:52:01,169 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:52:01" (1/1) ... 18.44/8.38 [2019-03-29 01:52:01,169 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:52:01" (1/1) ... 18.44/8.38 [2019-03-29 01:52:01,169 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:52:01" (1/1) ... 18.44/8.38 [2019-03-29 01:52:01,170 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:52:01" (1/1) ... 18.44/8.38 [2019-03-29 01:52:01,171 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:52:01" (1/1) ... 18.44/8.38 [2019-03-29 01:52:01,176 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:52:01" (1/1) ... 18.44/8.38 [2019-03-29 01:52:01,177 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:52:01" (1/1) ... 18.44/8.38 [2019-03-29 01:52:01,178 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 18.44/8.38 [2019-03-29 01:52:01,179 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 18.44/8.38 [2019-03-29 01:52:01,179 INFO L271 PluginConnector]: Initializing RCFGBuilder... 18.44/8.38 [2019-03-29 01:52:01,179 INFO L276 PluginConnector]: RCFGBuilder initialized 18.44/8.38 [2019-03-29 01:52:01,180 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:52:01" (1/1) ... 18.44/8.38 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.44/8.38 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 18.44/8.38 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 18.44/8.38 [2019-03-29 01:52:01,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 18.44/8.38 [2019-03-29 01:52:01,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 18.44/8.38 [2019-03-29 01:52:01,372 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 18.44/8.38 [2019-03-29 01:52:01,372 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 18.44/8.38 [2019-03-29 01:52:01,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:52:01 BoogieIcfgContainer 18.44/8.38 [2019-03-29 01:52:01,373 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 18.44/8.38 [2019-03-29 01:52:01,374 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 18.44/8.38 [2019-03-29 01:52:01,374 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 18.44/8.38 [2019-03-29 01:52:01,376 INFO L276 PluginConnector]: BlockEncodingV2 initialized 18.44/8.38 [2019-03-29 01:52:01,377 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:52:01" (1/1) ... 18.44/8.38 [2019-03-29 01:52:01,391 INFO L313 BlockEncoder]: Initial Icfg 8 locations, 11 edges 18.44/8.38 [2019-03-29 01:52:01,393 INFO L258 BlockEncoder]: Using Remove infeasible edges 18.44/8.38 [2019-03-29 01:52:01,394 INFO L263 BlockEncoder]: Using Maximize final states 18.44/8.38 [2019-03-29 01:52:01,394 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 18.44/8.38 [2019-03-29 01:52:01,395 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 18.44/8.38 [2019-03-29 01:52:01,396 INFO L296 BlockEncoder]: Using Remove sink states 18.44/8.38 [2019-03-29 01:52:01,397 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 18.44/8.38 [2019-03-29 01:52:01,398 INFO L179 BlockEncoder]: Using Rewrite not-equals 18.44/8.38 [2019-03-29 01:52:01,413 INFO L185 BlockEncoder]: Using Use SBE 18.44/8.38 [2019-03-29 01:52:01,429 INFO L200 BlockEncoder]: SBE split 3 edges 18.44/8.38 [2019-03-29 01:52:01,434 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 18.44/8.38 [2019-03-29 01:52:01,435 INFO L71 MaximizeFinalStates]: 0 new accepting states 18.44/8.38 [2019-03-29 01:52:01,445 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding 18.44/8.38 [2019-03-29 01:52:01,447 INFO L70 RemoveSinkStates]: Removed 3 edges and 2 locations by removing sink states 18.44/8.38 [2019-03-29 01:52:01,448 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 18.44/8.38 [2019-03-29 01:52:01,449 INFO L71 MaximizeFinalStates]: 0 new accepting states 18.44/8.38 [2019-03-29 01:52:01,449 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 18.44/8.38 [2019-03-29 01:52:01,449 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 18.44/8.38 [2019-03-29 01:52:01,450 INFO L313 BlockEncoder]: Encoded RCFG 4 locations, 8 edges 18.44/8.38 [2019-03-29 01:52:01,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 01:52:01 BasicIcfg 18.44/8.38 [2019-03-29 01:52:01,450 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 18.44/8.38 [2019-03-29 01:52:01,451 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 18.44/8.38 [2019-03-29 01:52:01,451 INFO L271 PluginConnector]: Initializing TraceAbstraction... 18.44/8.38 [2019-03-29 01:52:01,454 INFO L276 PluginConnector]: TraceAbstraction initialized 18.44/8.38 [2019-03-29 01:52:01,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.03 01:52:00" (1/4) ... 18.44/8.38 [2019-03-29 01:52:01,455 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c5236e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 01:52:01, skipping insertion in model container 18.44/8.38 [2019-03-29 01:52:01,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:52:01" (2/4) ... 18.44/8.38 [2019-03-29 01:52:01,456 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c5236e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 01:52:01, skipping insertion in model container 18.44/8.38 [2019-03-29 01:52:01,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:52:01" (3/4) ... 18.44/8.38 [2019-03-29 01:52:01,457 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c5236e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 01:52:01, skipping insertion in model container 18.44/8.38 [2019-03-29 01:52:01,457 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 01:52:01" (4/4) ... 18.44/8.38 [2019-03-29 01:52:01,458 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 18.44/8.38 [2019-03-29 01:52:01,469 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 18.44/8.38 [2019-03-29 01:52:01,476 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 18.44/8.38 [2019-03-29 01:52:01,495 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 18.44/8.38 [2019-03-29 01:52:01,524 INFO L133 ementStrategyFactory]: Using default assertion order modulation 18.44/8.38 [2019-03-29 01:52:01,524 INFO L382 AbstractCegarLoop]: Interprodecural is true 18.44/8.38 [2019-03-29 01:52:01,525 INFO L383 AbstractCegarLoop]: Hoare is true 18.44/8.38 [2019-03-29 01:52:01,525 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 18.44/8.38 [2019-03-29 01:52:01,525 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 18.44/8.38 [2019-03-29 01:52:01,525 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 18.44/8.38 [2019-03-29 01:52:01,525 INFO L387 AbstractCegarLoop]: Difference is false 18.44/8.38 [2019-03-29 01:52:01,526 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 18.44/8.38 [2019-03-29 01:52:01,526 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 18.44/8.38 [2019-03-29 01:52:01,540 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states. 18.44/8.38 [2019-03-29 01:52:01,545 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 18.44/8.38 [2019-03-29 01:52:01,548 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. 18.44/8.38 [2019-03-29 01:52:01,598 INFO L448 ceAbstractionStarter]: For program point L17(lines 17 19) no Hoare annotation was computed. 18.44/8.38 [2019-03-29 01:52:01,599 INFO L451 ceAbstractionStarter]: At program point L17-2(lines 11 21) the Hoare annotation is: true 18.44/8.38 [2019-03-29 01:52:01,599 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 18.44/8.38 [2019-03-29 01:52:01,599 INFO L448 ceAbstractionStarter]: For program point L12(lines 12 20) no Hoare annotation was computed. 18.44/8.38 [2019-03-29 01:52:01,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 01:52:01 BasicIcfg 18.44/8.38 [2019-03-29 01:52:01,607 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 18.44/8.38 [2019-03-29 01:52:01,608 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 18.44/8.38 [2019-03-29 01:52:01,608 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 18.44/8.38 [2019-03-29 01:52:01,612 INFO L276 PluginConnector]: BuchiAutomizer initialized 18.44/8.38 [2019-03-29 01:52:01,612 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 18.44/8.38 [2019-03-29 01:52:01,613 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.03 01:52:00" (1/5) ... 18.44/8.38 [2019-03-29 01:52:01,613 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7ad691b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 01:52:01, skipping insertion in model container 18.44/8.38 [2019-03-29 01:52:01,613 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 18.44/8.38 [2019-03-29 01:52:01,614 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:52:01" (2/5) ... 18.44/8.38 [2019-03-29 01:52:01,614 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7ad691b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 01:52:01, skipping insertion in model container 18.44/8.38 [2019-03-29 01:52:01,614 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 18.44/8.38 [2019-03-29 01:52:01,614 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:52:01" (3/5) ... 18.44/8.38 [2019-03-29 01:52:01,615 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7ad691b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 01:52:01, skipping insertion in model container 18.44/8.38 [2019-03-29 01:52:01,615 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 18.44/8.38 [2019-03-29 01:52:01,615 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 01:52:01" (4/5) ... 18.44/8.38 [2019-03-29 01:52:01,615 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7ad691b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 01:52:01, skipping insertion in model container 18.44/8.38 [2019-03-29 01:52:01,616 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 18.44/8.38 [2019-03-29 01:52:01,616 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 01:52:01" (5/5) ... 18.44/8.38 [2019-03-29 01:52:01,617 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 18.44/8.38 [2019-03-29 01:52:01,645 INFO L133 ementStrategyFactory]: Using default assertion order modulation 18.44/8.38 [2019-03-29 01:52:01,645 INFO L374 BuchiCegarLoop]: Interprodecural is true 18.44/8.38 [2019-03-29 01:52:01,646 INFO L375 BuchiCegarLoop]: Hoare is true 18.44/8.38 [2019-03-29 01:52:01,646 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 18.44/8.38 [2019-03-29 01:52:01,646 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 18.44/8.38 [2019-03-29 01:52:01,646 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 18.44/8.38 [2019-03-29 01:52:01,646 INFO L379 BuchiCegarLoop]: Difference is false 18.44/8.38 [2019-03-29 01:52:01,647 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 18.44/8.38 [2019-03-29 01:52:01,647 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 18.44/8.38 [2019-03-29 01:52:01,650 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states. 18.44/8.38 [2019-03-29 01:52:01,668 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 18.44/8.38 [2019-03-29 01:52:01,669 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 18.44/8.38 [2019-03-29 01:52:01,669 INFO L119 BuchiIsEmpty]: Starting construction of run 18.44/8.38 [2019-03-29 01:52:01,676 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 18.44/8.38 [2019-03-29 01:52:01,676 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 18.44/8.38 [2019-03-29 01:52:01,676 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 18.44/8.38 [2019-03-29 01:52:01,676 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states. 18.44/8.38 [2019-03-29 01:52:01,677 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 18.44/8.38 [2019-03-29 01:52:01,677 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 18.44/8.38 [2019-03-29 01:52:01,677 INFO L119 BuchiIsEmpty]: Starting construction of run 18.44/8.38 [2019-03-29 01:52:01,677 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 18.44/8.38 [2019-03-29 01:52:01,677 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 18.44/8.38 [2019-03-29 01:52:01,683 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [32] ULTIMATE.startENTRY-->L17-2: Formula: (and (= v_ULTIMATE.start_main_~range~0_1 20) (= v_ULTIMATE.start_main_~i~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_1, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~range~0, ULTIMATE.start_main_~i~0] 3#L17-2true 18.44/8.38 [2019-03-29 01:52:01,683 INFO L796 eck$LassoCheckResult]: Loop: 3#L17-2true [31] L17-2-->L12: Formula: (and (<= 0 (+ v_ULTIMATE.start_main_~i~0_9 v_ULTIMATE.start_main_~range~0_8)) (<= v_ULTIMATE.start_main_~i~0_9 v_ULTIMATE.start_main_~range~0_8)) InVars {ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} OutVars{ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} AuxVars[] AssignedVars[] 6#L12true [45] L12-->L17-2: Formula: (and (= v_ULTIMATE.start_main_~i~0_10 (* (- 1) v_ULTIMATE.start_main_~i~0_11)) (< (+ v_ULTIMATE.start_main_~range~0_9 v_ULTIMATE.start_main_~i~0_11) 5)) InVars {ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_9, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} OutVars{ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_9, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 3#L17-2true 18.44/8.38 [2019-03-29 01:52:01,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.44/8.38 [2019-03-29 01:52:01,689 INFO L82 PathProgramCache]: Analyzing trace with hash 63, now seen corresponding path program 1 times 18.44/8.38 [2019-03-29 01:52:01,691 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.44/8.38 [2019-03-29 01:52:01,692 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.44/8.38 [2019-03-29 01:52:01,720 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.44/8.38 [2019-03-29 01:52:01,720 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 18.44/8.38 [2019-03-29 01:52:01,720 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.44/8.38 [2019-03-29 01:52:01,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.44/8.38 [2019-03-29 01:52:01,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.44/8.38 [2019-03-29 01:52:01,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.44/8.38 [2019-03-29 01:52:01,765 INFO L82 PathProgramCache]: Analyzing trace with hash 1967, now seen corresponding path program 1 times 18.44/8.38 [2019-03-29 01:52:01,765 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.44/8.38 [2019-03-29 01:52:01,766 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.44/8.38 [2019-03-29 01:52:01,767 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.44/8.38 [2019-03-29 01:52:01,767 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 18.44/8.38 [2019-03-29 01:52:01,768 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.44/8.38 [2019-03-29 01:52:01,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.44/8.38 [2019-03-29 01:52:01,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.44/8.38 [2019-03-29 01:52:01,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.44/8.38 [2019-03-29 01:52:01,780 INFO L82 PathProgramCache]: Analyzing trace with hash 61549, now seen corresponding path program 1 times 18.44/8.38 [2019-03-29 01:52:01,781 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.44/8.38 [2019-03-29 01:52:01,781 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.44/8.38 [2019-03-29 01:52:01,782 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.44/8.38 [2019-03-29 01:52:01,783 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 18.44/8.38 [2019-03-29 01:52:01,783 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.44/8.38 [2019-03-29 01:52:01,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.44/8.38 [2019-03-29 01:52:01,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.44/8.38 [2019-03-29 01:52:01,856 INFO L216 LassoAnalysis]: Preferences: 18.44/8.38 [2019-03-29 01:52:01,858 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 18.44/8.38 [2019-03-29 01:52:01,858 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 18.44/8.38 [2019-03-29 01:52:01,858 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 18.44/8.38 [2019-03-29 01:52:01,858 INFO L127 ssoRankerPreferences]: Use exernal solver: true 18.44/8.38 [2019-03-29 01:52:01,859 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.44/8.38 [2019-03-29 01:52:01,859 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 18.44/8.38 [2019-03-29 01:52:01,859 INFO L130 ssoRankerPreferences]: Path of dumped script: 18.44/8.38 [2019-03-29 01:52:01,859 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Lasso 18.44/8.38 [2019-03-29 01:52:01,859 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 18.44/8.38 [2019-03-29 01:52:01,860 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 18.44/8.38 [2019-03-29 01:52:01,880 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.44/8.38 [2019-03-29 01:52:01,890 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.44/8.38 [2019-03-29 01:52:01,895 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.44/8.38 [2019-03-29 01:52:01,898 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.44/8.38 [2019-03-29 01:52:01,913 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.44/8.38 [2019-03-29 01:52:02,011 INFO L300 LassoAnalysis]: Preprocessing complete. 18.44/8.38 [2019-03-29 01:52:02,012 INFO L412 LassoAnalysis]: Checking for nontermination... 18.44/8.38 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.44/8.38 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.44/8.38 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.44/8.38 [2019-03-29 01:52:02,020 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 18.44/8.38 [2019-03-29 01:52:02,020 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.44/8.38 [2019-03-29 01:52:02,053 INFO L445 LassoAnalysis]: Proved nontermination for one component. 18.44/8.38 [2019-03-29 01:52:02,054 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 18.44/8.38 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.44/8.38 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.44/8.38 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.44/8.38 [2019-03-29 01:52:02,062 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 18.44/8.38 [2019-03-29 01:52:02,062 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.44/8.38 [2019-03-29 01:52:02,091 INFO L445 LassoAnalysis]: Proved nontermination for one component. 18.44/8.38 [2019-03-29 01:52:02,091 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 18.44/8.38 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.44/8.38 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.44/8.38 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.44/8.38 [2019-03-29 01:52:02,098 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 18.44/8.38 [2019-03-29 01:52:02,098 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.44/8.38 [2019-03-29 01:52:02,103 INFO L445 LassoAnalysis]: Proved nontermination for one component. 18.44/8.38 [2019-03-29 01:52:02,103 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 18.44/8.38 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.44/8.38 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.44/8.38 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.44/8.38 [2019-03-29 01:52:02,132 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 18.44/8.38 [2019-03-29 01:52:02,132 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.44/8.38 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.44/8.38 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.44/8.38 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.44/8.38 [2019-03-29 01:52:02,167 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 18.44/8.38 [2019-03-29 01:52:02,167 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.44/8.38 [2019-03-29 01:52:02,361 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 18.44/8.38 [2019-03-29 01:52:02,364 INFO L216 LassoAnalysis]: Preferences: 18.44/8.38 [2019-03-29 01:52:02,364 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 18.44/8.38 [2019-03-29 01:52:02,364 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 18.44/8.38 [2019-03-29 01:52:02,364 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 18.44/8.38 [2019-03-29 01:52:02,364 INFO L127 ssoRankerPreferences]: Use exernal solver: false 18.44/8.38 [2019-03-29 01:52:02,365 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 18.44/8.38 [2019-03-29 01:52:02,365 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 18.44/8.38 [2019-03-29 01:52:02,365 INFO L130 ssoRankerPreferences]: Path of dumped script: 18.44/8.39 [2019-03-29 01:52:02,365 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Lasso 18.44/8.39 [2019-03-29 01:52:02,365 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 18.44/8.39 [2019-03-29 01:52:02,365 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 18.44/8.39 [2019-03-29 01:52:02,367 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.44/8.39 [2019-03-29 01:52:02,372 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.44/8.39 [2019-03-29 01:52:02,389 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.44/8.39 [2019-03-29 01:52:02,393 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.44/8.39 [2019-03-29 01:52:02,396 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.44/8.39 [2019-03-29 01:52:02,461 INFO L300 LassoAnalysis]: Preprocessing complete. 18.44/8.39 [2019-03-29 01:52:02,467 INFO L497 LassoAnalysis]: Using template 'affine'. 18.44/8.39 [2019-03-29 01:52:02,469 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 18.44/8.39 Termination analysis: LINEAR_WITH_GUESSES 18.44/8.39 Number of strict supporting invariants: 0 18.44/8.39 Number of non-strict supporting invariants: 1 18.44/8.39 Consider only non-deceasing supporting invariants: true 18.44/8.39 Simplify termination arguments: true 18.44/8.39 Simplify supporting invariants: trueOverapproximate stem: false 18.44/8.39 [2019-03-29 01:52:02,470 INFO L339 nArgumentSynthesizer]: Template has degree 0. 18.44/8.39 [2019-03-29 01:52:02,471 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 18.44/8.39 [2019-03-29 01:52:02,471 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 18.44/8.39 [2019-03-29 01:52:02,471 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 18.44/8.39 [2019-03-29 01:52:02,475 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 18.44/8.39 [2019-03-29 01:52:02,475 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 18.44/8.39 [2019-03-29 01:52:02,484 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 18.44/8.39 [2019-03-29 01:52:02,484 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 18.44/8.39 Termination analysis: LINEAR_WITH_GUESSES 18.44/8.39 Number of strict supporting invariants: 0 18.44/8.39 Number of non-strict supporting invariants: 1 18.44/8.39 Consider only non-deceasing supporting invariants: true 18.44/8.39 Simplify termination arguments: true 18.44/8.39 Simplify supporting invariants: trueOverapproximate stem: false 18.44/8.39 [2019-03-29 01:52:02,485 INFO L339 nArgumentSynthesizer]: Template has degree 0. 18.44/8.39 [2019-03-29 01:52:02,485 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 18.44/8.39 [2019-03-29 01:52:02,485 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 18.44/8.39 [2019-03-29 01:52:02,486 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 18.44/8.39 [2019-03-29 01:52:02,489 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 18.44/8.39 [2019-03-29 01:52:02,489 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 18.44/8.39 [2019-03-29 01:52:02,527 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 18.44/8.39 [2019-03-29 01:52:02,552 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. 18.44/8.39 [2019-03-29 01:52:02,552 INFO L444 ModelExtractionUtils]: 4 out of 10 variables were initially zero. Simplification set additionally 1 variables to zero. 18.44/8.39 [2019-03-29 01:52:02,555 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 18.44/8.39 [2019-03-29 01:52:02,560 INFO L440 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. 18.44/8.39 [2019-03-29 01:52:02,560 INFO L518 LassoAnalysis]: Proved termination. 18.44/8.39 [2019-03-29 01:52:02,561 INFO L520 LassoAnalysis]: Termination argument consisting of: 18.44/8.39 Ranking function f(ULTIMATE.start_main_~i~0) = -1*ULTIMATE.start_main_~i~0 + 18 18.44/8.39 Supporting invariants [1*ULTIMATE.start_main_~range~0 - 20 >= 0] 18.44/8.39 [2019-03-29 01:52:02,565 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed 18.44/8.39 [2019-03-29 01:52:02,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.44/8.39 [2019-03-29 01:52:02,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 18.44/8.39 [2019-03-29 01:52:02,616 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 3 conjunts are in the unsatisfiable core 18.44/8.39 [2019-03-29 01:52:02,617 INFO L279 TraceCheckSpWp]: Computing forward predicates... 18.44/8.39 [2019-03-29 01:52:02,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 18.44/8.39 [2019-03-29 01:52:02,627 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 5 conjunts are in the unsatisfiable core 18.44/8.39 [2019-03-29 01:52:02,627 INFO L279 TraceCheckSpWp]: Computing forward predicates... 18.44/8.39 [2019-03-29 01:52:02,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 18.44/8.39 [2019-03-29 01:52:02,653 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 18.44/8.39 [2019-03-29 01:52:02,658 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates 18.44/8.39 [2019-03-29 01:52:02,659 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 4 states. Second operand 3 states. 18.44/8.39 [2019-03-29 01:52:02,740 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 4 states.. Second operand 3 states. Result 14 states and 30 transitions. Complement of second has 6 states. 18.44/8.39 [2019-03-29 01:52:02,740 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states 18.44/8.39 [2019-03-29 01:52:02,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 18.44/8.39 [2019-03-29 01:52:02,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 19 transitions. 18.44/8.39 [2019-03-29 01:52:02,745 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 1 letters. Loop has 2 letters. 18.44/8.39 [2019-03-29 01:52:02,746 INFO L116 BuchiAccepts]: Finished buchiAccepts. 18.44/8.39 [2019-03-29 01:52:02,746 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 3 letters. Loop has 2 letters. 18.44/8.39 [2019-03-29 01:52:02,747 INFO L116 BuchiAccepts]: Finished buchiAccepts. 18.44/8.39 [2019-03-29 01:52:02,747 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 1 letters. Loop has 4 letters. 18.44/8.39 [2019-03-29 01:52:02,747 INFO L116 BuchiAccepts]: Finished buchiAccepts. 18.44/8.39 [2019-03-29 01:52:02,754 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 30 transitions. 18.44/8.39 [2019-03-29 01:52:02,755 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 18.44/8.39 [2019-03-29 01:52:02,759 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 11 states and 22 transitions. 18.44/8.39 [2019-03-29 01:52:02,760 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 18.44/8.39 [2019-03-29 01:52:02,761 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 18.44/8.39 [2019-03-29 01:52:02,761 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 22 transitions. 18.44/8.39 [2019-03-29 01:52:02,762 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 18.44/8.39 [2019-03-29 01:52:02,762 INFO L706 BuchiCegarLoop]: Abstraction has 11 states and 22 transitions. 18.44/8.39 [2019-03-29 01:52:02,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 22 transitions. 18.44/8.39 [2019-03-29 01:52:02,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 8. 18.44/8.39 [2019-03-29 01:52:02,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. 18.44/8.39 [2019-03-29 01:52:02,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 15 transitions. 18.44/8.39 [2019-03-29 01:52:02,793 INFO L729 BuchiCegarLoop]: Abstraction has 8 states and 15 transitions. 18.44/8.39 [2019-03-29 01:52:02,793 INFO L609 BuchiCegarLoop]: Abstraction has 8 states and 15 transitions. 18.44/8.39 [2019-03-29 01:52:02,793 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 18.44/8.39 [2019-03-29 01:52:02,793 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 15 transitions. 18.44/8.39 [2019-03-29 01:52:02,794 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 18.44/8.39 [2019-03-29 01:52:02,794 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 18.44/8.39 [2019-03-29 01:52:02,794 INFO L119 BuchiIsEmpty]: Starting construction of run 18.44/8.39 [2019-03-29 01:52:02,794 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] 18.44/8.39 [2019-03-29 01:52:02,795 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 18.44/8.39 [2019-03-29 01:52:02,795 INFO L794 eck$LassoCheckResult]: Stem: 67#ULTIMATE.startENTRY [32] ULTIMATE.startENTRY-->L17-2: Formula: (and (= v_ULTIMATE.start_main_~range~0_1 20) (= v_ULTIMATE.start_main_~i~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_1, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~range~0, ULTIMATE.start_main_~i~0] 68#L17-2 [31] L17-2-->L12: Formula: (and (<= 0 (+ v_ULTIMATE.start_main_~i~0_9 v_ULTIMATE.start_main_~range~0_8)) (<= v_ULTIMATE.start_main_~i~0_9 v_ULTIMATE.start_main_~range~0_8)) InVars {ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} OutVars{ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} AuxVars[] AssignedVars[] 66#L12 [41] L12-->L17: Formula: (and (= v_ULTIMATE.start_main_~range~0_10 (+ v_ULTIMATE.start_main_~range~0_11 1)) (>= v_ULTIMATE.start_main_~range~0_11 (+ v_ULTIMATE.start_main_~i~0_13 5)) (= v_ULTIMATE.start_main_~i~0_12 (+ v_ULTIMATE.start_main_~i~0_13 (- 1))) (>= (+ v_ULTIMATE.start_main_~range~0_11 v_ULTIMATE.start_main_~i~0_13) 5)) InVars {ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_11, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_13} OutVars{ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_10, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_12} AuxVars[] AssignedVars[ULTIMATE.start_main_~range~0, ULTIMATE.start_main_~i~0] 69#L17 18.44/8.39 [2019-03-29 01:52:02,795 INFO L796 eck$LassoCheckResult]: Loop: 69#L17 [48] L17-->L17-2: Formula: (< 0 v_ULTIMATE.start_main_~i~0_7) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} AuxVars[] AssignedVars[] 62#L17-2 [31] L17-2-->L12: Formula: (and (<= 0 (+ v_ULTIMATE.start_main_~i~0_9 v_ULTIMATE.start_main_~range~0_8)) (<= v_ULTIMATE.start_main_~i~0_9 v_ULTIMATE.start_main_~range~0_8)) InVars {ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} OutVars{ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} AuxVars[] AssignedVars[] 63#L12 [41] L12-->L17: Formula: (and (= v_ULTIMATE.start_main_~range~0_10 (+ v_ULTIMATE.start_main_~range~0_11 1)) (>= v_ULTIMATE.start_main_~range~0_11 (+ v_ULTIMATE.start_main_~i~0_13 5)) (= v_ULTIMATE.start_main_~i~0_12 (+ v_ULTIMATE.start_main_~i~0_13 (- 1))) (>= (+ v_ULTIMATE.start_main_~range~0_11 v_ULTIMATE.start_main_~i~0_13) 5)) InVars {ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_11, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_13} OutVars{ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_10, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_12} AuxVars[] AssignedVars[ULTIMATE.start_main_~range~0, ULTIMATE.start_main_~i~0] 69#L17 18.44/8.39 [2019-03-29 01:52:02,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.44/8.39 [2019-03-29 01:52:02,796 INFO L82 PathProgramCache]: Analyzing trace with hash 61545, now seen corresponding path program 1 times 18.44/8.39 [2019-03-29 01:52:02,796 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.44/8.39 [2019-03-29 01:52:02,796 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.44/8.39 [2019-03-29 01:52:02,798 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.44/8.39 [2019-03-29 01:52:02,798 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 18.44/8.39 [2019-03-29 01:52:02,798 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.44/8.39 [2019-03-29 01:52:02,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.44/8.39 [2019-03-29 01:52:02,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.44/8.39 [2019-03-29 01:52:02,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.44/8.39 [2019-03-29 01:52:02,807 INFO L82 PathProgramCache]: Analyzing trace with hash 76921, now seen corresponding path program 1 times 18.44/8.39 [2019-03-29 01:52:02,807 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.44/8.39 [2019-03-29 01:52:02,807 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.44/8.39 [2019-03-29 01:52:02,808 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.44/8.39 [2019-03-29 01:52:02,808 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 18.44/8.39 [2019-03-29 01:52:02,808 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.44/8.39 [2019-03-29 01:52:02,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.44/8.39 [2019-03-29 01:52:02,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.44/8.39 [2019-03-29 01:52:02,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.44/8.39 [2019-03-29 01:52:02,816 INFO L82 PathProgramCache]: Analyzing trace with hash 1833534225, now seen corresponding path program 1 times 18.44/8.39 [2019-03-29 01:52:02,816 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.44/8.39 [2019-03-29 01:52:02,816 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.44/8.39 [2019-03-29 01:52:02,817 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.44/8.39 [2019-03-29 01:52:02,817 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 18.44/8.39 [2019-03-29 01:52:02,817 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.44/8.39 [2019-03-29 01:52:02,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.44/8.39 [2019-03-29 01:52:02,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.44/8.39 [2019-03-29 01:52:02,864 INFO L216 LassoAnalysis]: Preferences: 18.44/8.39 [2019-03-29 01:52:02,864 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 18.44/8.39 [2019-03-29 01:52:02,864 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 18.44/8.39 [2019-03-29 01:52:02,864 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 18.44/8.39 [2019-03-29 01:52:02,865 INFO L127 ssoRankerPreferences]: Use exernal solver: true 18.44/8.39 [2019-03-29 01:52:02,865 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.44/8.39 [2019-03-29 01:52:02,865 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 18.44/8.39 [2019-03-29 01:52:02,865 INFO L130 ssoRankerPreferences]: Path of dumped script: 18.44/8.39 [2019-03-29 01:52:02,865 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 18.44/8.39 [2019-03-29 01:52:02,865 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 18.44/8.39 [2019-03-29 01:52:02,865 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 18.44/8.39 [2019-03-29 01:52:02,867 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.44/8.39 [2019-03-29 01:52:02,871 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.44/8.39 [2019-03-29 01:52:02,873 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.44/8.39 [2019-03-29 01:52:02,929 INFO L300 LassoAnalysis]: Preprocessing complete. 18.44/8.39 [2019-03-29 01:52:02,929 INFO L412 LassoAnalysis]: Checking for nontermination... 18.44/8.39 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.44/8.39 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.44/8.39 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.44/8.39 [2019-03-29 01:52:02,938 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 18.44/8.39 [2019-03-29 01:52:02,938 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.44/8.39 [2019-03-29 01:52:02,967 INFO L445 LassoAnalysis]: Proved nontermination for one component. 18.44/8.39 [2019-03-29 01:52:02,967 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 18.44/8.39 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.44/8.39 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.44/8.39 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.44/8.39 [2019-03-29 01:52:02,974 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 18.44/8.39 [2019-03-29 01:52:02,975 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.44/8.39 [2019-03-29 01:52:03,002 INFO L445 LassoAnalysis]: Proved nontermination for one component. 18.44/8.39 [2019-03-29 01:52:03,003 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 18.44/8.39 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.44/8.39 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.44/8.39 Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.44/8.39 [2019-03-29 01:52:03,010 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 18.44/8.39 [2019-03-29 01:52:03,010 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.44/8.39 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.44/8.39 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.44/8.39 Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.44/8.39 [2019-03-29 01:52:03,044 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 18.44/8.39 [2019-03-29 01:52:03,045 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.44/8.39 [2019-03-29 01:52:03,079 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 18.44/8.39 [2019-03-29 01:52:03,082 INFO L216 LassoAnalysis]: Preferences: 18.44/8.39 [2019-03-29 01:52:03,082 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 18.44/8.39 [2019-03-29 01:52:03,082 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 18.44/8.39 [2019-03-29 01:52:03,082 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 18.44/8.39 [2019-03-29 01:52:03,082 INFO L127 ssoRankerPreferences]: Use exernal solver: false 18.44/8.39 [2019-03-29 01:52:03,082 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 18.44/8.39 [2019-03-29 01:52:03,083 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 18.44/8.39 [2019-03-29 01:52:03,083 INFO L130 ssoRankerPreferences]: Path of dumped script: 18.44/8.39 [2019-03-29 01:52:03,083 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 18.44/8.39 [2019-03-29 01:52:03,083 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 18.44/8.39 [2019-03-29 01:52:03,083 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 18.44/8.39 [2019-03-29 01:52:03,085 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.44/8.39 [2019-03-29 01:52:03,094 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.44/8.39 [2019-03-29 01:52:03,098 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.44/8.39 [2019-03-29 01:52:03,156 INFO L300 LassoAnalysis]: Preprocessing complete. 18.44/8.39 [2019-03-29 01:52:03,157 INFO L497 LassoAnalysis]: Using template 'affine'. 18.44/8.39 [2019-03-29 01:52:03,157 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 18.44/8.39 Termination analysis: LINEAR_WITH_GUESSES 18.44/8.39 Number of strict supporting invariants: 0 18.44/8.39 Number of non-strict supporting invariants: 1 18.44/8.39 Consider only non-deceasing supporting invariants: true 18.44/8.39 Simplify termination arguments: true 18.44/8.39 Simplify supporting invariants: trueOverapproximate stem: false 18.44/8.39 [2019-03-29 01:52:03,158 INFO L339 nArgumentSynthesizer]: Template has degree 0. 18.44/8.39 [2019-03-29 01:52:03,158 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 18.44/8.39 [2019-03-29 01:52:03,158 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 18.44/8.39 [2019-03-29 01:52:03,158 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 18.44/8.39 [2019-03-29 01:52:03,161 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 18.44/8.39 [2019-03-29 01:52:03,161 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 18.44/8.39 [2019-03-29 01:52:03,164 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 18.44/8.39 [2019-03-29 01:52:03,165 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 18.44/8.39 Termination analysis: LINEAR_WITH_GUESSES 18.44/8.39 Number of strict supporting invariants: 0 18.44/8.39 Number of non-strict supporting invariants: 1 18.44/8.39 Consider only non-deceasing supporting invariants: true 18.44/8.39 Simplify termination arguments: true 18.44/8.39 Simplify supporting invariants: trueOverapproximate stem: false 18.44/8.39 [2019-03-29 01:52:03,165 INFO L339 nArgumentSynthesizer]: Template has degree 0. 18.44/8.39 [2019-03-29 01:52:03,166 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 18.44/8.39 [2019-03-29 01:52:03,166 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 18.44/8.39 [2019-03-29 01:52:03,166 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 18.44/8.39 [2019-03-29 01:52:03,168 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 18.44/8.39 [2019-03-29 01:52:03,168 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 18.44/8.39 [2019-03-29 01:52:03,173 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 18.44/8.39 [2019-03-29 01:52:03,173 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 18.44/8.39 Termination analysis: LINEAR_WITH_GUESSES 18.44/8.39 Number of strict supporting invariants: 0 18.44/8.39 Number of non-strict supporting invariants: 1 18.44/8.39 Consider only non-deceasing supporting invariants: true 18.44/8.39 Simplify termination arguments: true 18.44/8.39 Simplify supporting invariants: trueOverapproximate stem: false 18.44/8.39 [2019-03-29 01:52:03,174 INFO L339 nArgumentSynthesizer]: Template has degree 0. 18.44/8.39 [2019-03-29 01:52:03,175 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 18.44/8.39 [2019-03-29 01:52:03,175 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 18.44/8.39 [2019-03-29 01:52:03,175 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 18.44/8.39 [2019-03-29 01:52:03,176 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 18.44/8.39 [2019-03-29 01:52:03,176 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 18.44/8.39 [2019-03-29 01:52:03,176 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 18.44/8.39 [2019-03-29 01:52:03,182 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 18.44/8.39 [2019-03-29 01:52:03,186 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 18.44/8.39 [2019-03-29 01:52:03,186 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. 18.44/8.39 [2019-03-29 01:52:03,186 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 18.44/8.39 [2019-03-29 01:52:03,186 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 18.44/8.39 [2019-03-29 01:52:03,187 INFO L518 LassoAnalysis]: Proved termination. 18.44/8.39 [2019-03-29 01:52:03,187 INFO L520 LassoAnalysis]: Termination argument consisting of: 18.44/8.39 Ranking function f(ULTIMATE.start_main_~i~0) = 1*ULTIMATE.start_main_~i~0 18.44/8.39 Supporting invariants [] 18.44/8.39 [2019-03-29 01:52:03,187 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 18.44/8.39 [2019-03-29 01:52:03,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.44/8.39 [2019-03-29 01:52:03,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 18.44/8.39 [2019-03-29 01:52:03,215 INFO L256 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 2 conjunts are in the unsatisfiable core 18.44/8.39 [2019-03-29 01:52:03,216 INFO L279 TraceCheckSpWp]: Computing forward predicates... 18.44/8.39 [2019-03-29 01:52:03,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 18.44/8.39 [2019-03-29 01:52:03,221 INFO L256 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjunts are in the unsatisfiable core 18.44/8.39 [2019-03-29 01:52:03,222 INFO L279 TraceCheckSpWp]: Computing forward predicates... 18.44/8.39 [2019-03-29 01:52:03,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 18.44/8.39 [2019-03-29 01:52:03,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 18.44/8.39 [2019-03-29 01:52:03,259 INFO L256 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjunts are in the unsatisfiable core 18.44/8.39 [2019-03-29 01:52:03,260 INFO L279 TraceCheckSpWp]: Computing forward predicates... 18.44/8.39 [2019-03-29 01:52:03,294 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 3 predicates after loop cannibalization 18.44/8.39 [2019-03-29 01:52:03,295 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates 18.44/8.39 [2019-03-29 01:52:03,295 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 8 states and 15 transitions. cyclomatic complexity: 9 Second operand 3 states. 18.44/8.39 [2019-03-29 01:52:03,406 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 8 states and 15 transitions. cyclomatic complexity: 9. Second operand 3 states. Result 34 states and 60 transitions. Complement of second has 16 states. 18.44/8.39 [2019-03-29 01:52:03,406 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 2 accepting loop states 18.44/8.39 [2019-03-29 01:52:03,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 18.44/8.39 [2019-03-29 01:52:03,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 25 transitions. 18.44/8.39 [2019-03-29 01:52:03,408 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 25 transitions. Stem has 3 letters. Loop has 3 letters. 18.44/8.39 [2019-03-29 01:52:03,408 INFO L116 BuchiAccepts]: Finished buchiAccepts. 18.44/8.39 [2019-03-29 01:52:03,408 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 25 transitions. Stem has 6 letters. Loop has 3 letters. 18.44/8.39 [2019-03-29 01:52:03,409 INFO L116 BuchiAccepts]: Finished buchiAccepts. 18.44/8.39 [2019-03-29 01:52:03,409 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 25 transitions. Stem has 3 letters. Loop has 6 letters. 18.44/8.39 [2019-03-29 01:52:03,409 INFO L116 BuchiAccepts]: Finished buchiAccepts. 18.44/8.39 [2019-03-29 01:52:03,411 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 60 transitions. 18.44/8.39 [2019-03-29 01:52:03,413 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 21 18.44/8.39 [2019-03-29 01:52:03,415 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 26 states and 51 transitions. 18.44/8.39 [2019-03-29 01:52:03,415 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 18.44/8.39 [2019-03-29 01:52:03,415 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 18.44/8.39 [2019-03-29 01:52:03,415 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 51 transitions. 18.44/8.39 [2019-03-29 01:52:03,416 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 18.44/8.39 [2019-03-29 01:52:03,416 INFO L706 BuchiCegarLoop]: Abstraction has 26 states and 51 transitions. 18.44/8.39 [2019-03-29 01:52:03,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 51 transitions. 18.44/8.39 [2019-03-29 01:52:03,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 18. 18.44/8.39 [2019-03-29 01:52:03,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. 18.44/8.39 [2019-03-29 01:52:03,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 39 transitions. 18.44/8.39 [2019-03-29 01:52:03,420 INFO L729 BuchiCegarLoop]: Abstraction has 18 states and 39 transitions. 18.44/8.39 [2019-03-29 01:52:03,420 INFO L609 BuchiCegarLoop]: Abstraction has 18 states and 39 transitions. 18.44/8.39 [2019-03-29 01:52:03,420 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 18.44/8.39 [2019-03-29 01:52:03,420 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 39 transitions. 18.44/8.39 [2019-03-29 01:52:03,421 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 18.44/8.39 [2019-03-29 01:52:03,422 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 18.44/8.39 [2019-03-29 01:52:03,422 INFO L119 BuchiIsEmpty]: Starting construction of run 18.44/8.39 [2019-03-29 01:52:03,422 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] 18.44/8.39 [2019-03-29 01:52:03,422 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [2, 1, 1, 1] 18.44/8.39 [2019-03-29 01:52:03,423 INFO L794 eck$LassoCheckResult]: Stem: 172#ULTIMATE.startENTRY [32] ULTIMATE.startENTRY-->L17-2: Formula: (and (= v_ULTIMATE.start_main_~range~0_1 20) (= v_ULTIMATE.start_main_~i~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_1, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~range~0, ULTIMATE.start_main_~i~0] 173#L17-2 [31] L17-2-->L12: Formula: (and (<= 0 (+ v_ULTIMATE.start_main_~i~0_9 v_ULTIMATE.start_main_~range~0_8)) (<= v_ULTIMATE.start_main_~i~0_9 v_ULTIMATE.start_main_~range~0_8)) InVars {ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} OutVars{ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} AuxVars[] AssignedVars[] 177#L12 [41] L12-->L17: Formula: (and (= v_ULTIMATE.start_main_~range~0_10 (+ v_ULTIMATE.start_main_~range~0_11 1)) (>= v_ULTIMATE.start_main_~range~0_11 (+ v_ULTIMATE.start_main_~i~0_13 5)) (= v_ULTIMATE.start_main_~i~0_12 (+ v_ULTIMATE.start_main_~i~0_13 (- 1))) (>= (+ v_ULTIMATE.start_main_~range~0_11 v_ULTIMATE.start_main_~i~0_13) 5)) InVars {ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_11, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_13} OutVars{ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_10, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_12} AuxVars[] AssignedVars[ULTIMATE.start_main_~range~0, ULTIMATE.start_main_~i~0] 178#L17 18.44/8.39 [2019-03-29 01:52:03,423 INFO L796 eck$LassoCheckResult]: Loop: 178#L17 [33] L17-->L17-2: Formula: (and (= 0 v_ULTIMATE.start_main_~i~0_6) (= v_ULTIMATE.start_main_~range~0_6 (- 1))) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_6} OutVars{ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_6, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~range~0] 168#L17-2 [31] L17-2-->L12: Formula: (and (<= 0 (+ v_ULTIMATE.start_main_~i~0_9 v_ULTIMATE.start_main_~range~0_8)) (<= v_ULTIMATE.start_main_~i~0_9 v_ULTIMATE.start_main_~range~0_8)) InVars {ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} OutVars{ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} AuxVars[] AssignedVars[] 169#L12 [45] L12-->L17-2: Formula: (and (= v_ULTIMATE.start_main_~i~0_10 (* (- 1) v_ULTIMATE.start_main_~i~0_11)) (< (+ v_ULTIMATE.start_main_~range~0_9 v_ULTIMATE.start_main_~i~0_11) 5)) InVars {ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_9, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} OutVars{ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_9, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 179#L17-2 [31] L17-2-->L12: Formula: (and (<= 0 (+ v_ULTIMATE.start_main_~i~0_9 v_ULTIMATE.start_main_~range~0_8)) (<= v_ULTIMATE.start_main_~i~0_9 v_ULTIMATE.start_main_~range~0_8)) InVars {ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} OutVars{ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} AuxVars[] AssignedVars[] 182#L12 [41] L12-->L17: Formula: (and (= v_ULTIMATE.start_main_~range~0_10 (+ v_ULTIMATE.start_main_~range~0_11 1)) (>= v_ULTIMATE.start_main_~range~0_11 (+ v_ULTIMATE.start_main_~i~0_13 5)) (= v_ULTIMATE.start_main_~i~0_12 (+ v_ULTIMATE.start_main_~i~0_13 (- 1))) (>= (+ v_ULTIMATE.start_main_~range~0_11 v_ULTIMATE.start_main_~i~0_13) 5)) InVars {ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_11, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_13} OutVars{ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_10, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_12} AuxVars[] AssignedVars[ULTIMATE.start_main_~range~0, ULTIMATE.start_main_~i~0] 178#L17 18.44/8.39 [2019-03-29 01:52:03,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.44/8.39 [2019-03-29 01:52:03,424 INFO L82 PathProgramCache]: Analyzing trace with hash 61545, now seen corresponding path program 2 times 18.44/8.39 [2019-03-29 01:52:03,424 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.44/8.39 [2019-03-29 01:52:03,424 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.44/8.39 [2019-03-29 01:52:03,426 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.44/8.39 [2019-03-29 01:52:03,426 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 18.44/8.39 [2019-03-29 01:52:03,426 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.44/8.39 [2019-03-29 01:52:03,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.44/8.39 [2019-03-29 01:52:03,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.44/8.39 [2019-03-29 01:52:03,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.44/8.39 [2019-03-29 01:52:03,434 INFO L82 PathProgramCache]: Analyzing trace with hash 60073112, now seen corresponding path program 1 times 18.44/8.39 [2019-03-29 01:52:03,434 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.44/8.39 [2019-03-29 01:52:03,434 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.44/8.39 [2019-03-29 01:52:03,436 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.44/8.39 [2019-03-29 01:52:03,436 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 18.44/8.39 [2019-03-29 01:52:03,436 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.44/8.39 [2019-03-29 01:52:03,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 18.44/8.39 [2019-03-29 01:52:03,471 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. 18.44/8.39 [2019-03-29 01:52:03,473 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 18.44/8.39 [2019-03-29 01:52:03,473 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 18.44/8.39 [2019-03-29 01:52:03,476 INFO L811 eck$LassoCheckResult]: loop already infeasible 18.44/8.39 [2019-03-29 01:52:03,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. 18.44/8.39 [2019-03-29 01:52:03,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 18.44/8.39 [2019-03-29 01:52:03,480 INFO L87 Difference]: Start difference. First operand 18 states and 39 transitions. cyclomatic complexity: 23 Second operand 3 states. 18.44/8.39 [2019-03-29 01:52:03,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 18.44/8.39 [2019-03-29 01:52:03,500 INFO L93 Difference]: Finished difference Result 20 states and 39 transitions. 18.44/8.39 [2019-03-29 01:52:03,500 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 18.44/8.39 [2019-03-29 01:52:03,502 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 39 transitions. 18.44/8.39 [2019-03-29 01:52:03,504 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 18.44/8.39 [2019-03-29 01:52:03,504 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 18 states and 33 transitions. 18.44/8.39 [2019-03-29 01:52:03,505 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 18.44/8.39 [2019-03-29 01:52:03,505 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 18.44/8.39 [2019-03-29 01:52:03,505 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 33 transitions. 18.44/8.39 [2019-03-29 01:52:03,505 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 18.44/8.39 [2019-03-29 01:52:03,505 INFO L706 BuchiCegarLoop]: Abstraction has 18 states and 33 transitions. 18.44/8.39 [2019-03-29 01:52:03,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 33 transitions. 18.44/8.39 [2019-03-29 01:52:03,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. 18.44/8.39 [2019-03-29 01:52:03,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. 18.44/8.39 [2019-03-29 01:52:03,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 33 transitions. 18.44/8.39 [2019-03-29 01:52:03,508 INFO L729 BuchiCegarLoop]: Abstraction has 18 states and 33 transitions. 18.44/8.39 [2019-03-29 01:52:03,508 INFO L609 BuchiCegarLoop]: Abstraction has 18 states and 33 transitions. 18.44/8.39 [2019-03-29 01:52:03,509 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ 18.44/8.39 [2019-03-29 01:52:03,509 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 33 transitions. 18.44/8.39 [2019-03-29 01:52:03,509 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 18.44/8.39 [2019-03-29 01:52:03,510 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 18.44/8.39 [2019-03-29 01:52:03,510 INFO L119 BuchiIsEmpty]: Starting construction of run 18.44/8.39 [2019-03-29 01:52:03,510 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] 18.44/8.39 [2019-03-29 01:52:03,510 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [2, 1, 1, 1] 18.44/8.39 [2019-03-29 01:52:03,510 INFO L794 eck$LassoCheckResult]: Stem: 216#ULTIMATE.startENTRY [32] ULTIMATE.startENTRY-->L17-2: Formula: (and (= v_ULTIMATE.start_main_~range~0_1 20) (= v_ULTIMATE.start_main_~i~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_1, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~range~0, ULTIMATE.start_main_~i~0] 217#L17-2 [31] L17-2-->L12: Formula: (and (<= 0 (+ v_ULTIMATE.start_main_~i~0_9 v_ULTIMATE.start_main_~range~0_8)) (<= v_ULTIMATE.start_main_~i~0_9 v_ULTIMATE.start_main_~range~0_8)) InVars {ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} OutVars{ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} AuxVars[] AssignedVars[] 221#L12 [41] L12-->L17: Formula: (and (= v_ULTIMATE.start_main_~range~0_10 (+ v_ULTIMATE.start_main_~range~0_11 1)) (>= v_ULTIMATE.start_main_~range~0_11 (+ v_ULTIMATE.start_main_~i~0_13 5)) (= v_ULTIMATE.start_main_~i~0_12 (+ v_ULTIMATE.start_main_~i~0_13 (- 1))) (>= (+ v_ULTIMATE.start_main_~range~0_11 v_ULTIMATE.start_main_~i~0_13) 5)) InVars {ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_11, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_13} OutVars{ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_10, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_12} AuxVars[] AssignedVars[ULTIMATE.start_main_~range~0, ULTIMATE.start_main_~i~0] 222#L17 18.44/8.39 [2019-03-29 01:52:03,511 INFO L796 eck$LassoCheckResult]: Loop: 222#L17 [47] L17-->L17-2: Formula: (> 0 v_ULTIMATE.start_main_~i~0_7) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} AuxVars[] AssignedVars[] 212#L17-2 [31] L17-2-->L12: Formula: (and (<= 0 (+ v_ULTIMATE.start_main_~i~0_9 v_ULTIMATE.start_main_~range~0_8)) (<= v_ULTIMATE.start_main_~i~0_9 v_ULTIMATE.start_main_~range~0_8)) InVars {ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} OutVars{ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} AuxVars[] AssignedVars[] 213#L12 [45] L12-->L17-2: Formula: (and (= v_ULTIMATE.start_main_~i~0_10 (* (- 1) v_ULTIMATE.start_main_~i~0_11)) (< (+ v_ULTIMATE.start_main_~range~0_9 v_ULTIMATE.start_main_~i~0_11) 5)) InVars {ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_9, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} OutVars{ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_9, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 223#L17-2 [31] L17-2-->L12: Formula: (and (<= 0 (+ v_ULTIMATE.start_main_~i~0_9 v_ULTIMATE.start_main_~range~0_8)) (<= v_ULTIMATE.start_main_~i~0_9 v_ULTIMATE.start_main_~range~0_8)) InVars {ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} OutVars{ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} AuxVars[] AssignedVars[] 229#L12 [41] L12-->L17: Formula: (and (= v_ULTIMATE.start_main_~range~0_10 (+ v_ULTIMATE.start_main_~range~0_11 1)) (>= v_ULTIMATE.start_main_~range~0_11 (+ v_ULTIMATE.start_main_~i~0_13 5)) (= v_ULTIMATE.start_main_~i~0_12 (+ v_ULTIMATE.start_main_~i~0_13 (- 1))) (>= (+ v_ULTIMATE.start_main_~range~0_11 v_ULTIMATE.start_main_~i~0_13) 5)) InVars {ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_11, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_13} OutVars{ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_10, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_12} AuxVars[] AssignedVars[ULTIMATE.start_main_~range~0, ULTIMATE.start_main_~i~0] 222#L17 18.44/8.39 [2019-03-29 01:52:03,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.44/8.39 [2019-03-29 01:52:03,511 INFO L82 PathProgramCache]: Analyzing trace with hash 61545, now seen corresponding path program 3 times 18.44/8.39 [2019-03-29 01:52:03,511 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.44/8.39 [2019-03-29 01:52:03,511 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.44/8.39 [2019-03-29 01:52:03,513 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.44/8.39 [2019-03-29 01:52:03,513 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 18.44/8.39 [2019-03-29 01:52:03,513 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.44/8.39 [2019-03-29 01:52:03,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.44/8.39 [2019-03-29 01:52:03,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.44/8.39 [2019-03-29 01:52:03,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.44/8.39 [2019-03-29 01:52:03,520 INFO L82 PathProgramCache]: Analyzing trace with hash 73002406, now seen corresponding path program 1 times 18.44/8.39 [2019-03-29 01:52:03,520 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.44/8.39 [2019-03-29 01:52:03,520 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.44/8.39 [2019-03-29 01:52:03,521 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.44/8.39 [2019-03-29 01:52:03,521 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 18.44/8.39 [2019-03-29 01:52:03,521 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.44/8.39 [2019-03-29 01:52:03,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 18.44/8.39 [2019-03-29 01:52:03,537 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 18.44/8.39 [2019-03-29 01:52:03,537 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 18.44/8.39 [2019-03-29 01:52:03,537 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 18.44/8.39 [2019-03-29 01:52:03,537 INFO L811 eck$LassoCheckResult]: loop already infeasible 18.44/8.39 [2019-03-29 01:52:03,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. 18.44/8.39 [2019-03-29 01:52:03,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 18.44/8.39 [2019-03-29 01:52:03,538 INFO L87 Difference]: Start difference. First operand 18 states and 33 transitions. cyclomatic complexity: 17 Second operand 3 states. 18.44/8.39 [2019-03-29 01:52:03,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 18.44/8.39 [2019-03-29 01:52:03,561 INFO L93 Difference]: Finished difference Result 25 states and 42 transitions. 18.44/8.39 [2019-03-29 01:52:03,561 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 18.44/8.39 [2019-03-29 01:52:03,562 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 42 transitions. 18.44/8.39 [2019-03-29 01:52:03,564 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 17 18.44/8.39 [2019-03-29 01:52:03,564 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 24 states and 41 transitions. 18.44/8.39 [2019-03-29 01:52:03,565 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 18.44/8.39 [2019-03-29 01:52:03,565 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 18.44/8.39 [2019-03-29 01:52:03,566 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 41 transitions. 18.44/8.39 [2019-03-29 01:52:03,566 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 18.44/8.39 [2019-03-29 01:52:03,566 INFO L706 BuchiCegarLoop]: Abstraction has 24 states and 41 transitions. 18.44/8.39 [2019-03-29 01:52:03,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 41 transitions. 18.44/8.39 [2019-03-29 01:52:03,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 21. 18.44/8.39 [2019-03-29 01:52:03,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. 18.44/8.39 [2019-03-29 01:52:03,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 37 transitions. 18.44/8.39 [2019-03-29 01:52:03,569 INFO L729 BuchiCegarLoop]: Abstraction has 21 states and 37 transitions. 18.44/8.39 [2019-03-29 01:52:03,569 INFO L609 BuchiCegarLoop]: Abstraction has 21 states and 37 transitions. 18.44/8.39 [2019-03-29 01:52:03,569 INFO L442 BuchiCegarLoop]: ======== Iteration 5============ 18.44/8.39 [2019-03-29 01:52:03,569 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 37 transitions. 18.44/8.39 [2019-03-29 01:52:03,570 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 15 18.44/8.39 [2019-03-29 01:52:03,570 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 18.44/8.39 [2019-03-29 01:52:03,570 INFO L119 BuchiIsEmpty]: Starting construction of run 18.44/8.39 [2019-03-29 01:52:03,570 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] 18.44/8.39 [2019-03-29 01:52:03,571 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [2, 1, 1, 1] 18.44/8.39 [2019-03-29 01:52:03,571 INFO L794 eck$LassoCheckResult]: Stem: 266#ULTIMATE.startENTRY [32] ULTIMATE.startENTRY-->L17-2: Formula: (and (= v_ULTIMATE.start_main_~range~0_1 20) (= v_ULTIMATE.start_main_~i~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_1, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~range~0, ULTIMATE.start_main_~i~0] 267#L17-2 [31] L17-2-->L12: Formula: (and (<= 0 (+ v_ULTIMATE.start_main_~i~0_9 v_ULTIMATE.start_main_~range~0_8)) (<= v_ULTIMATE.start_main_~i~0_9 v_ULTIMATE.start_main_~range~0_8)) InVars {ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} OutVars{ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} AuxVars[] AssignedVars[] 274#L12 [41] L12-->L17: Formula: (and (= v_ULTIMATE.start_main_~range~0_10 (+ v_ULTIMATE.start_main_~range~0_11 1)) (>= v_ULTIMATE.start_main_~range~0_11 (+ v_ULTIMATE.start_main_~i~0_13 5)) (= v_ULTIMATE.start_main_~i~0_12 (+ v_ULTIMATE.start_main_~i~0_13 (- 1))) (>= (+ v_ULTIMATE.start_main_~range~0_11 v_ULTIMATE.start_main_~i~0_13) 5)) InVars {ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_11, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_13} OutVars{ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_10, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_12} AuxVars[] AssignedVars[ULTIMATE.start_main_~range~0, ULTIMATE.start_main_~i~0] 275#L17 18.44/8.39 [2019-03-29 01:52:03,571 INFO L796 eck$LassoCheckResult]: Loop: 275#L17 [47] L17-->L17-2: Formula: (> 0 v_ULTIMATE.start_main_~i~0_7) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} AuxVars[] AssignedVars[] 269#L17-2 [31] L17-2-->L12: Formula: (and (<= 0 (+ v_ULTIMATE.start_main_~i~0_9 v_ULTIMATE.start_main_~range~0_8)) (<= v_ULTIMATE.start_main_~i~0_9 v_ULTIMATE.start_main_~range~0_8)) InVars {ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} OutVars{ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} AuxVars[] AssignedVars[] 280#L12 [46] L12-->L17-2: Formula: (and (= v_ULTIMATE.start_main_~i~0_10 (* (- 1) v_ULTIMATE.start_main_~i~0_11)) (< v_ULTIMATE.start_main_~range~0_9 (+ v_ULTIMATE.start_main_~i~0_11 5))) InVars {ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_9, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} OutVars{ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_9, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 273#L17-2 [31] L17-2-->L12: Formula: (and (<= 0 (+ v_ULTIMATE.start_main_~i~0_9 v_ULTIMATE.start_main_~range~0_8)) (<= v_ULTIMATE.start_main_~i~0_9 v_ULTIMATE.start_main_~range~0_8)) InVars {ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} OutVars{ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} AuxVars[] AssignedVars[] 278#L12 [41] L12-->L17: Formula: (and (= v_ULTIMATE.start_main_~range~0_10 (+ v_ULTIMATE.start_main_~range~0_11 1)) (>= v_ULTIMATE.start_main_~range~0_11 (+ v_ULTIMATE.start_main_~i~0_13 5)) (= v_ULTIMATE.start_main_~i~0_12 (+ v_ULTIMATE.start_main_~i~0_13 (- 1))) (>= (+ v_ULTIMATE.start_main_~range~0_11 v_ULTIMATE.start_main_~i~0_13) 5)) InVars {ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_11, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_13} OutVars{ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_10, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_12} AuxVars[] AssignedVars[ULTIMATE.start_main_~range~0, ULTIMATE.start_main_~i~0] 275#L17 18.44/8.39 [2019-03-29 01:52:03,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.44/8.39 [2019-03-29 01:52:03,571 INFO L82 PathProgramCache]: Analyzing trace with hash 61545, now seen corresponding path program 4 times 18.44/8.39 [2019-03-29 01:52:03,572 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.44/8.39 [2019-03-29 01:52:03,572 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.44/8.39 [2019-03-29 01:52:03,573 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.44/8.39 [2019-03-29 01:52:03,573 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 18.44/8.39 [2019-03-29 01:52:03,573 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.44/8.39 [2019-03-29 01:52:03,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.44/8.39 [2019-03-29 01:52:03,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.44/8.39 [2019-03-29 01:52:03,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.44/8.39 [2019-03-29 01:52:03,580 INFO L82 PathProgramCache]: Analyzing trace with hash 73003367, now seen corresponding path program 1 times 18.44/8.39 [2019-03-29 01:52:03,580 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.44/8.39 [2019-03-29 01:52:03,580 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.44/8.39 [2019-03-29 01:52:03,581 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.44/8.39 [2019-03-29 01:52:03,581 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 18.44/8.39 [2019-03-29 01:52:03,582 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.44/8.39 [2019-03-29 01:52:03,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 18.44/8.39 [2019-03-29 01:52:03,604 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 18.44/8.39 [2019-03-29 01:52:03,604 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. 18.44/8.39 [2019-03-29 01:52:03,604 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP 18.44/8.39 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.44/8.39 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) 18.44/8.39 Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 18.44/8.39 [2019-03-29 01:52:03,622 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 18.44/8.39 [2019-03-29 01:52:03,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 18.44/8.39 [2019-03-29 01:52:03,628 INFO L256 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 3 conjunts are in the unsatisfiable core 18.44/8.39 [2019-03-29 01:52:03,629 INFO L279 TraceCheckSpWp]: Computing forward predicates... 18.44/8.39 [2019-03-29 01:52:03,637 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 18.44/8.39 [2019-03-29 01:52:03,664 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. 18.44/8.39 [2019-03-29 01:52:03,664 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 4 18.44/8.39 [2019-03-29 01:52:03,664 INFO L811 eck$LassoCheckResult]: loop already infeasible 18.44/8.39 [2019-03-29 01:52:03,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. 18.44/8.39 [2019-03-29 01:52:03,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 18.44/8.39 [2019-03-29 01:52:03,665 INFO L87 Difference]: Start difference. First operand 21 states and 37 transitions. cyclomatic complexity: 18 Second operand 5 states. 18.44/8.39 [2019-03-29 01:52:03,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 18.44/8.39 [2019-03-29 01:52:03,732 INFO L93 Difference]: Finished difference Result 27 states and 43 transitions. 18.44/8.39 [2019-03-29 01:52:03,732 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 18.44/8.39 [2019-03-29 01:52:03,733 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 43 transitions. 18.44/8.39 [2019-03-29 01:52:03,735 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 18.44/8.39 [2019-03-29 01:52:03,735 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 23 states and 37 transitions. 18.44/8.39 [2019-03-29 01:52:03,735 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 18.44/8.39 [2019-03-29 01:52:03,736 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 18.44/8.39 [2019-03-29 01:52:03,736 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 37 transitions. 18.44/8.39 [2019-03-29 01:52:03,736 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 18.44/8.39 [2019-03-29 01:52:03,737 INFO L706 BuchiCegarLoop]: Abstraction has 23 states and 37 transitions. 18.44/8.39 [2019-03-29 01:52:03,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 37 transitions. 18.44/8.39 [2019-03-29 01:52:03,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 15. 18.44/8.39 [2019-03-29 01:52:03,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. 18.44/8.39 [2019-03-29 01:52:03,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 25 transitions. 18.44/8.39 [2019-03-29 01:52:03,739 INFO L729 BuchiCegarLoop]: Abstraction has 15 states and 25 transitions. 18.44/8.39 [2019-03-29 01:52:03,739 INFO L609 BuchiCegarLoop]: Abstraction has 15 states and 25 transitions. 18.44/8.39 [2019-03-29 01:52:03,739 INFO L442 BuchiCegarLoop]: ======== Iteration 6============ 18.44/8.39 [2019-03-29 01:52:03,739 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 25 transitions. 18.44/8.39 [2019-03-29 01:52:03,739 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 18.44/8.39 [2019-03-29 01:52:03,740 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 18.44/8.39 [2019-03-29 01:52:03,740 INFO L119 BuchiIsEmpty]: Starting construction of run 18.44/8.39 [2019-03-29 01:52:03,740 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] 18.44/8.39 [2019-03-29 01:52:03,740 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 18.44/8.39 [2019-03-29 01:52:03,741 INFO L794 eck$LassoCheckResult]: Stem: 336#ULTIMATE.startENTRY [32] ULTIMATE.startENTRY-->L17-2: Formula: (and (= v_ULTIMATE.start_main_~range~0_1 20) (= v_ULTIMATE.start_main_~i~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_1, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~range~0, ULTIMATE.start_main_~i~0] 337#L17-2 [31] L17-2-->L12: Formula: (and (<= 0 (+ v_ULTIMATE.start_main_~i~0_9 v_ULTIMATE.start_main_~range~0_8)) (<= v_ULTIMATE.start_main_~i~0_9 v_ULTIMATE.start_main_~range~0_8)) InVars {ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} OutVars{ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} AuxVars[] AssignedVars[] 344#L12 [46] L12-->L17-2: Formula: (and (= v_ULTIMATE.start_main_~i~0_10 (* (- 1) v_ULTIMATE.start_main_~i~0_11)) (< v_ULTIMATE.start_main_~range~0_9 (+ v_ULTIMATE.start_main_~i~0_11 5))) InVars {ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_9, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} OutVars{ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_9, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 332#L17-2 18.44/8.39 [2019-03-29 01:52:03,741 INFO L796 eck$LassoCheckResult]: Loop: 332#L17-2 [31] L17-2-->L12: Formula: (and (<= 0 (+ v_ULTIMATE.start_main_~i~0_9 v_ULTIMATE.start_main_~range~0_8)) (<= v_ULTIMATE.start_main_~i~0_9 v_ULTIMATE.start_main_~range~0_8)) InVars {ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} OutVars{ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} AuxVars[] AssignedVars[] 333#L12 [45] L12-->L17-2: Formula: (and (= v_ULTIMATE.start_main_~i~0_10 (* (- 1) v_ULTIMATE.start_main_~i~0_11)) (< (+ v_ULTIMATE.start_main_~range~0_9 v_ULTIMATE.start_main_~i~0_11) 5)) InVars {ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_9, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} OutVars{ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_9, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 332#L17-2 18.44/8.39 [2019-03-29 01:52:03,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.44/8.39 [2019-03-29 01:52:03,741 INFO L82 PathProgramCache]: Analyzing trace with hash 61550, now seen corresponding path program 1 times 18.44/8.39 [2019-03-29 01:52:03,741 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.44/8.39 [2019-03-29 01:52:03,741 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.44/8.39 [2019-03-29 01:52:03,743 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.44/8.39 [2019-03-29 01:52:03,743 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 18.44/8.39 [2019-03-29 01:52:03,743 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.44/8.39 [2019-03-29 01:52:03,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.44/8.39 [2019-03-29 01:52:03,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.44/8.39 [2019-03-29 01:52:03,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.44/8.39 [2019-03-29 01:52:03,749 INFO L82 PathProgramCache]: Analyzing trace with hash 1967, now seen corresponding path program 2 times 18.44/8.39 [2019-03-29 01:52:03,749 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.44/8.39 [2019-03-29 01:52:03,749 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.44/8.39 [2019-03-29 01:52:03,750 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.44/8.39 [2019-03-29 01:52:03,750 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 18.44/8.39 [2019-03-29 01:52:03,750 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.44/8.39 [2019-03-29 01:52:03,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.44/8.39 [2019-03-29 01:52:03,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.44/8.39 [2019-03-29 01:52:03,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.44/8.39 [2019-03-29 01:52:03,754 INFO L82 PathProgramCache]: Analyzing trace with hash 59150556, now seen corresponding path program 1 times 18.44/8.39 [2019-03-29 01:52:03,754 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.44/8.39 [2019-03-29 01:52:03,754 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.44/8.39 [2019-03-29 01:52:03,755 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.44/8.39 [2019-03-29 01:52:03,756 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 18.44/8.39 [2019-03-29 01:52:03,756 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.44/8.39 [2019-03-29 01:52:03,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.44/8.39 [2019-03-29 01:52:03,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.44/8.39 [2019-03-29 01:52:03,829 INFO L216 LassoAnalysis]: Preferences: 18.44/8.39 [2019-03-29 01:52:03,829 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 18.44/8.39 [2019-03-29 01:52:03,830 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 18.44/8.39 [2019-03-29 01:52:03,830 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 18.44/8.39 [2019-03-29 01:52:03,830 INFO L127 ssoRankerPreferences]: Use exernal solver: true 18.44/8.39 [2019-03-29 01:52:03,830 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.44/8.39 [2019-03-29 01:52:03,830 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 18.44/8.39 [2019-03-29 01:52:03,830 INFO L130 ssoRankerPreferences]: Path of dumped script: 18.44/8.39 [2019-03-29 01:52:03,830 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration6_Lasso 18.44/8.39 [2019-03-29 01:52:03,830 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 18.44/8.39 [2019-03-29 01:52:03,831 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 18.44/8.39 [2019-03-29 01:52:03,833 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.44/8.39 [2019-03-29 01:52:03,836 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.44/8.39 [2019-03-29 01:52:03,838 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.44/8.39 [2019-03-29 01:52:03,841 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.44/8.39 [2019-03-29 01:52:03,855 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.44/8.39 [2019-03-29 01:52:03,914 INFO L300 LassoAnalysis]: Preprocessing complete. 18.44/8.39 [2019-03-29 01:52:03,914 INFO L412 LassoAnalysis]: Checking for nontermination... 18.44/8.39 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.44/8.39 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.44/8.39 Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.44/8.39 [2019-03-29 01:52:03,922 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 18.44/8.39 [2019-03-29 01:52:03,922 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.44/8.39 [2019-03-29 01:52:03,934 INFO L445 LassoAnalysis]: Proved nontermination for one component. 18.44/8.39 [2019-03-29 01:52:03,934 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 18.44/8.39 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.44/8.39 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.44/8.39 Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.44/8.39 [2019-03-29 01:52:03,963 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 18.44/8.39 [2019-03-29 01:52:03,963 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.44/8.39 [2019-03-29 01:52:03,967 INFO L445 LassoAnalysis]: Proved nontermination for one component. 18.44/8.39 [2019-03-29 01:52:03,967 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 18.44/8.39 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.44/8.39 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.44/8.39 Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.44/8.39 [2019-03-29 01:52:03,994 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 18.44/8.39 [2019-03-29 01:52:03,995 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.44/8.39 [2019-03-29 01:52:04,023 INFO L445 LassoAnalysis]: Proved nontermination for one component. 18.44/8.39 [2019-03-29 01:52:04,024 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_5=1} Honda state: {v_rep~unnamed0~0~true_5=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 18.44/8.39 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.44/8.39 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.44/8.39 Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.44/8.39 [2019-03-29 01:52:04,029 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 18.44/8.39 [2019-03-29 01:52:04,029 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.44/8.39 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.44/8.39 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.44/8.39 Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.44/8.39 [2019-03-29 01:52:04,061 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 18.44/8.39 [2019-03-29 01:52:04,061 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.44/8.39 [2019-03-29 01:52:04,300 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 18.44/8.39 [2019-03-29 01:52:04,303 INFO L216 LassoAnalysis]: Preferences: 18.44/8.39 [2019-03-29 01:52:04,303 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 18.44/8.39 [2019-03-29 01:52:04,303 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 18.44/8.39 [2019-03-29 01:52:04,303 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 18.44/8.39 [2019-03-29 01:52:04,303 INFO L127 ssoRankerPreferences]: Use exernal solver: false 18.44/8.39 [2019-03-29 01:52:04,303 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 18.44/8.39 [2019-03-29 01:52:04,303 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 18.44/8.39 [2019-03-29 01:52:04,304 INFO L130 ssoRankerPreferences]: Path of dumped script: 18.44/8.39 [2019-03-29 01:52:04,304 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration6_Lasso 18.44/8.39 [2019-03-29 01:52:04,304 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 18.44/8.39 [2019-03-29 01:52:04,304 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 18.44/8.39 [2019-03-29 01:52:04,306 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.44/8.39 [2019-03-29 01:52:04,308 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.44/8.39 [2019-03-29 01:52:04,321 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.44/8.39 [2019-03-29 01:52:04,323 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.44/8.39 [2019-03-29 01:52:04,343 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.44/8.39 [2019-03-29 01:52:04,401 INFO L300 LassoAnalysis]: Preprocessing complete. 18.44/8.39 [2019-03-29 01:52:04,402 INFO L497 LassoAnalysis]: Using template 'affine'. 18.44/8.39 [2019-03-29 01:52:04,402 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 18.44/8.39 Termination analysis: LINEAR_WITH_GUESSES 18.44/8.39 Number of strict supporting invariants: 0 18.44/8.39 Number of non-strict supporting invariants: 1 18.44/8.39 Consider only non-deceasing supporting invariants: true 18.44/8.39 Simplify termination arguments: true 18.44/8.39 Simplify supporting invariants: trueOverapproximate stem: false 18.44/8.39 [2019-03-29 01:52:04,403 INFO L339 nArgumentSynthesizer]: Template has degree 0. 18.44/8.39 [2019-03-29 01:52:04,403 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 18.44/8.39 [2019-03-29 01:52:04,403 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 18.44/8.39 [2019-03-29 01:52:04,403 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 18.44/8.39 [2019-03-29 01:52:04,404 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 18.44/8.39 [2019-03-29 01:52:04,404 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 18.44/8.39 [2019-03-29 01:52:04,404 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 18.44/8.39 [2019-03-29 01:52:04,405 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 18.44/8.39 [2019-03-29 01:52:04,405 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 18.44/8.39 Termination analysis: LINEAR_WITH_GUESSES 18.44/8.39 Number of strict supporting invariants: 0 18.44/8.39 Number of non-strict supporting invariants: 1 18.44/8.39 Consider only non-deceasing supporting invariants: true 18.44/8.39 Simplify termination arguments: true 18.44/8.39 Simplify supporting invariants: trueOverapproximate stem: false 18.44/8.39 [2019-03-29 01:52:04,406 INFO L339 nArgumentSynthesizer]: Template has degree 0. 18.44/8.39 [2019-03-29 01:52:04,406 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 18.44/8.39 [2019-03-29 01:52:04,406 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 18.44/8.39 [2019-03-29 01:52:04,406 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 18.44/8.39 [2019-03-29 01:52:04,409 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 18.44/8.39 [2019-03-29 01:52:04,409 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 18.44/8.39 [2019-03-29 01:52:04,425 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 18.44/8.39 [2019-03-29 01:52:04,436 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. 18.44/8.39 [2019-03-29 01:52:04,437 INFO L444 ModelExtractionUtils]: 2 out of 10 variables were initially zero. Simplification set additionally 2 variables to zero. 18.44/8.39 [2019-03-29 01:52:04,437 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 18.44/8.39 [2019-03-29 01:52:04,439 INFO L440 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. 18.44/8.39 [2019-03-29 01:52:04,439 INFO L518 LassoAnalysis]: Proved termination. 18.44/8.39 [2019-03-29 01:52:04,440 INFO L520 LassoAnalysis]: Termination argument consisting of: 18.44/8.39 Ranking function f(ULTIMATE.start_main_~i~0) = -1*ULTIMATE.start_main_~i~0 18.44/8.39 Supporting invariants [1*ULTIMATE.start_main_~range~0 - 20 >= 0] 18.44/8.39 [2019-03-29 01:52:04,447 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed 18.44/8.39 [2019-03-29 01:52:04,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.44/8.39 [2019-03-29 01:52:04,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 18.44/8.39 [2019-03-29 01:52:04,477 INFO L256 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 3 conjunts are in the unsatisfiable core 18.44/8.39 [2019-03-29 01:52:04,478 INFO L279 TraceCheckSpWp]: Computing forward predicates... 18.44/8.39 [2019-03-29 01:52:04,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 18.44/8.39 [2019-03-29 01:52:04,487 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 5 conjunts are in the unsatisfiable core 18.44/8.39 [2019-03-29 01:52:04,488 INFO L279 TraceCheckSpWp]: Computing forward predicates... 18.44/8.39 [2019-03-29 01:52:04,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 18.44/8.39 [2019-03-29 01:52:04,498 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 18.44/8.39 [2019-03-29 01:52:04,499 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates 18.44/8.39 [2019-03-29 01:52:04,499 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 15 states and 25 transitions. cyclomatic complexity: 14 Second operand 4 states. 18.44/8.39 [2019-03-29 01:52:04,563 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 15 states and 25 transitions. cyclomatic complexity: 14. Second operand 4 states. Result 26 states and 42 transitions. Complement of second has 11 states. 18.44/8.39 [2019-03-29 01:52:04,565 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states 18.44/8.39 [2019-03-29 01:52:04,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. 18.44/8.39 [2019-03-29 01:52:04,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 14 transitions. 18.44/8.39 [2019-03-29 01:52:04,566 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 3 letters. Loop has 2 letters. 18.44/8.39 [2019-03-29 01:52:04,566 INFO L116 BuchiAccepts]: Finished buchiAccepts. 18.44/8.39 [2019-03-29 01:52:04,566 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 5 letters. Loop has 2 letters. 18.44/8.39 [2019-03-29 01:52:04,567 INFO L116 BuchiAccepts]: Finished buchiAccepts. 18.44/8.39 [2019-03-29 01:52:04,567 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 3 letters. Loop has 4 letters. 18.44/8.39 [2019-03-29 01:52:04,567 INFO L116 BuchiAccepts]: Finished buchiAccepts. 18.44/8.39 [2019-03-29 01:52:04,568 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 42 transitions. 18.44/8.39 [2019-03-29 01:52:04,569 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 18.44/8.39 [2019-03-29 01:52:04,570 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 23 states and 37 transitions. 18.44/8.39 [2019-03-29 01:52:04,570 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 18.44/8.39 [2019-03-29 01:52:04,570 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 18.44/8.39 [2019-03-29 01:52:04,570 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 37 transitions. 18.44/8.39 [2019-03-29 01:52:04,570 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 18.44/8.39 [2019-03-29 01:52:04,570 INFO L706 BuchiCegarLoop]: Abstraction has 23 states and 37 transitions. 18.44/8.39 [2019-03-29 01:52:04,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 37 transitions. 18.44/8.39 [2019-03-29 01:52:04,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 16. 18.44/8.39 [2019-03-29 01:52:04,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. 18.44/8.39 [2019-03-29 01:52:04,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 27 transitions. 18.44/8.39 [2019-03-29 01:52:04,573 INFO L729 BuchiCegarLoop]: Abstraction has 16 states and 27 transitions. 18.44/8.39 [2019-03-29 01:52:04,573 INFO L609 BuchiCegarLoop]: Abstraction has 16 states and 27 transitions. 18.44/8.39 [2019-03-29 01:52:04,573 INFO L442 BuchiCegarLoop]: ======== Iteration 7============ 18.44/8.39 [2019-03-29 01:52:04,573 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 27 transitions. 18.44/8.39 [2019-03-29 01:52:04,573 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 18.44/8.39 [2019-03-29 01:52:04,574 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 18.44/8.39 [2019-03-29 01:52:04,574 INFO L119 BuchiIsEmpty]: Starting construction of run 18.44/8.39 [2019-03-29 01:52:04,574 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] 18.44/8.39 [2019-03-29 01:52:04,574 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 18.44/8.39 [2019-03-29 01:52:04,574 INFO L794 eck$LassoCheckResult]: Stem: 431#ULTIMATE.startENTRY [32] ULTIMATE.startENTRY-->L17-2: Formula: (and (= v_ULTIMATE.start_main_~range~0_1 20) (= v_ULTIMATE.start_main_~i~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_1, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~range~0, ULTIMATE.start_main_~i~0] 432#L17-2 [31] L17-2-->L12: Formula: (and (<= 0 (+ v_ULTIMATE.start_main_~i~0_9 v_ULTIMATE.start_main_~range~0_8)) (<= v_ULTIMATE.start_main_~i~0_9 v_ULTIMATE.start_main_~range~0_8)) InVars {ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} OutVars{ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} AuxVars[] AssignedVars[] 441#L12 [46] L12-->L17-2: Formula: (and (= v_ULTIMATE.start_main_~i~0_10 (* (- 1) v_ULTIMATE.start_main_~i~0_11)) (< v_ULTIMATE.start_main_~range~0_9 (+ v_ULTIMATE.start_main_~i~0_11 5))) InVars {ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_9, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} OutVars{ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_9, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 437#L17-2 18.44/8.39 [2019-03-29 01:52:04,575 INFO L796 eck$LassoCheckResult]: Loop: 437#L17-2 [31] L17-2-->L12: Formula: (and (<= 0 (+ v_ULTIMATE.start_main_~i~0_9 v_ULTIMATE.start_main_~range~0_8)) (<= v_ULTIMATE.start_main_~i~0_9 v_ULTIMATE.start_main_~range~0_8)) InVars {ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} OutVars{ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} AuxVars[] AssignedVars[] 429#L12 [46] L12-->L17-2: Formula: (and (= v_ULTIMATE.start_main_~i~0_10 (* (- 1) v_ULTIMATE.start_main_~i~0_11)) (< v_ULTIMATE.start_main_~range~0_9 (+ v_ULTIMATE.start_main_~i~0_11 5))) InVars {ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_9, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} OutVars{ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_9, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 437#L17-2 18.44/8.39 [2019-03-29 01:52:04,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.44/8.39 [2019-03-29 01:52:04,575 INFO L82 PathProgramCache]: Analyzing trace with hash 61550, now seen corresponding path program 2 times 18.44/8.39 [2019-03-29 01:52:04,575 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.44/8.39 [2019-03-29 01:52:04,575 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.44/8.39 [2019-03-29 01:52:04,576 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.44/8.39 [2019-03-29 01:52:04,577 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 18.44/8.39 [2019-03-29 01:52:04,577 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.44/8.39 [2019-03-29 01:52:04,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.44/8.39 [2019-03-29 01:52:04,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.44/8.39 [2019-03-29 01:52:04,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.44/8.39 [2019-03-29 01:52:04,582 INFO L82 PathProgramCache]: Analyzing trace with hash 1968, now seen corresponding path program 1 times 18.44/8.39 [2019-03-29 01:52:04,582 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.44/8.39 [2019-03-29 01:52:04,583 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.44/8.39 [2019-03-29 01:52:04,584 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.44/8.39 [2019-03-29 01:52:04,584 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 18.44/8.39 [2019-03-29 01:52:04,584 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.44/8.39 [2019-03-29 01:52:04,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.44/8.39 [2019-03-29 01:52:04,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.44/8.39 [2019-03-29 01:52:04,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.44/8.39 [2019-03-29 01:52:04,588 INFO L82 PathProgramCache]: Analyzing trace with hash 59150557, now seen corresponding path program 3 times 18.44/8.39 [2019-03-29 01:52:04,588 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.44/8.39 [2019-03-29 01:52:04,588 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.44/8.39 [2019-03-29 01:52:04,589 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.44/8.39 [2019-03-29 01:52:04,589 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 18.44/8.39 [2019-03-29 01:52:04,590 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.44/8.39 [2019-03-29 01:52:04,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 18.44/8.39 [2019-03-29 01:52:04,612 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 18.44/8.39 [2019-03-29 01:52:04,612 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. 18.44/8.39 [2019-03-29 01:52:04,613 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP 18.44/8.39 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.44/8.39 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) 18.44/8.39 Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 18.44/8.39 [2019-03-29 01:52:04,627 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 18.44/8.39 [2019-03-29 01:52:04,635 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) 18.44/8.39 [2019-03-29 01:52:04,635 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat 18.44/8.39 [2019-03-29 01:52:04,636 INFO L256 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 4 conjunts are in the unsatisfiable core 18.44/8.39 [2019-03-29 01:52:04,636 INFO L279 TraceCheckSpWp]: Computing forward predicates... 18.44/8.39 [2019-03-29 01:52:04,659 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 18.44/8.39 [2019-03-29 01:52:04,687 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. 18.44/8.39 [2019-03-29 01:52:04,688 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 3 18.44/8.39 [2019-03-29 01:52:04,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. 18.44/8.39 [2019-03-29 01:52:04,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 18.44/8.39 [2019-03-29 01:52:04,708 INFO L87 Difference]: Start difference. First operand 16 states and 27 transitions. cyclomatic complexity: 15 Second operand 5 states. 18.44/8.39 [2019-03-29 01:52:04,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 18.44/8.39 [2019-03-29 01:52:04,728 INFO L93 Difference]: Finished difference Result 18 states and 28 transitions. 18.44/8.39 [2019-03-29 01:52:04,728 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 18.44/8.39 [2019-03-29 01:52:04,729 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 28 transitions. 18.44/8.39 [2019-03-29 01:52:04,730 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 18.44/8.39 [2019-03-29 01:52:04,730 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 17 states and 27 transitions. 18.44/8.39 [2019-03-29 01:52:04,731 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 18.44/8.39 [2019-03-29 01:52:04,731 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 18.44/8.39 [2019-03-29 01:52:04,731 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 27 transitions. 18.44/8.39 [2019-03-29 01:52:04,731 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 18.44/8.39 [2019-03-29 01:52:04,731 INFO L706 BuchiCegarLoop]: Abstraction has 17 states and 27 transitions. 18.44/8.39 [2019-03-29 01:52:04,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 27 transitions. 18.44/8.39 [2019-03-29 01:52:04,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 16. 18.44/8.39 [2019-03-29 01:52:04,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. 18.44/8.39 [2019-03-29 01:52:04,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 26 transitions. 18.44/8.39 [2019-03-29 01:52:04,733 INFO L729 BuchiCegarLoop]: Abstraction has 16 states and 26 transitions. 18.44/8.39 [2019-03-29 01:52:04,733 INFO L609 BuchiCegarLoop]: Abstraction has 16 states and 26 transitions. 18.44/8.39 [2019-03-29 01:52:04,733 INFO L442 BuchiCegarLoop]: ======== Iteration 8============ 18.44/8.39 [2019-03-29 01:52:04,733 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 26 transitions. 18.44/8.39 [2019-03-29 01:52:04,734 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 18.44/8.39 [2019-03-29 01:52:04,734 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 18.44/8.39 [2019-03-29 01:52:04,734 INFO L119 BuchiIsEmpty]: Starting construction of run 18.44/8.39 [2019-03-29 01:52:04,735 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] 18.44/8.39 [2019-03-29 01:52:04,735 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [2, 1, 1] 18.44/8.39 [2019-03-29 01:52:04,735 INFO L794 eck$LassoCheckResult]: Stem: 486#ULTIMATE.startENTRY [32] ULTIMATE.startENTRY-->L17-2: Formula: (and (= v_ULTIMATE.start_main_~range~0_1 20) (= v_ULTIMATE.start_main_~i~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_1, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~range~0, ULTIMATE.start_main_~i~0] 487#L17-2 [31] L17-2-->L12: Formula: (and (<= 0 (+ v_ULTIMATE.start_main_~i~0_9 v_ULTIMATE.start_main_~range~0_8)) (<= v_ULTIMATE.start_main_~i~0_9 v_ULTIMATE.start_main_~range~0_8)) InVars {ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} OutVars{ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} AuxVars[] AssignedVars[] 495#L12 [46] L12-->L17-2: Formula: (and (= v_ULTIMATE.start_main_~i~0_10 (* (- 1) v_ULTIMATE.start_main_~i~0_11)) (< v_ULTIMATE.start_main_~range~0_9 (+ v_ULTIMATE.start_main_~i~0_11 5))) InVars {ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_9, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} OutVars{ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_9, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 482#L17-2 18.44/8.39 [2019-03-29 01:52:04,735 INFO L796 eck$LassoCheckResult]: Loop: 482#L17-2 [31] L17-2-->L12: Formula: (and (<= 0 (+ v_ULTIMATE.start_main_~i~0_9 v_ULTIMATE.start_main_~range~0_8)) (<= v_ULTIMATE.start_main_~i~0_9 v_ULTIMATE.start_main_~range~0_8)) InVars {ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} OutVars{ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} AuxVars[] AssignedVars[] 483#L12 [45] L12-->L17-2: Formula: (and (= v_ULTIMATE.start_main_~i~0_10 (* (- 1) v_ULTIMATE.start_main_~i~0_11)) (< (+ v_ULTIMATE.start_main_~range~0_9 v_ULTIMATE.start_main_~i~0_11) 5)) InVars {ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_9, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} OutVars{ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_9, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 484#L17-2 [31] L17-2-->L12: Formula: (and (<= 0 (+ v_ULTIMATE.start_main_~i~0_9 v_ULTIMATE.start_main_~range~0_8)) (<= v_ULTIMATE.start_main_~i~0_9 v_ULTIMATE.start_main_~range~0_8)) InVars {ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} OutVars{ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} AuxVars[] AssignedVars[] 485#L12 [46] L12-->L17-2: Formula: (and (= v_ULTIMATE.start_main_~i~0_10 (* (- 1) v_ULTIMATE.start_main_~i~0_11)) (< v_ULTIMATE.start_main_~range~0_9 (+ v_ULTIMATE.start_main_~i~0_11 5))) InVars {ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_9, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} OutVars{ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_9, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 482#L17-2 18.44/8.39 [2019-03-29 01:52:04,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.44/8.39 [2019-03-29 01:52:04,736 INFO L82 PathProgramCache]: Analyzing trace with hash 61550, now seen corresponding path program 4 times 18.44/8.39 [2019-03-29 01:52:04,736 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.44/8.39 [2019-03-29 01:52:04,736 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.44/8.39 [2019-03-29 01:52:04,737 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.44/8.39 [2019-03-29 01:52:04,737 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 18.44/8.39 [2019-03-29 01:52:04,737 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.44/8.39 [2019-03-29 01:52:04,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.44/8.39 [2019-03-29 01:52:04,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.44/8.39 [2019-03-29 01:52:04,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.44/8.39 [2019-03-29 01:52:04,742 INFO L82 PathProgramCache]: Analyzing trace with hash 1891294, now seen corresponding path program 1 times 18.44/8.39 [2019-03-29 01:52:04,742 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.44/8.39 [2019-03-29 01:52:04,743 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.44/8.39 [2019-03-29 01:52:04,743 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.44/8.39 [2019-03-29 01:52:04,744 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 18.44/8.39 [2019-03-29 01:52:04,744 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.44/8.39 [2019-03-29 01:52:04,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.44/8.39 [2019-03-29 01:52:04,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.44/8.39 [2019-03-29 01:52:04,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.44/8.39 [2019-03-29 01:52:04,749 INFO L82 PathProgramCache]: Analyzing trace with hash 1009110475, now seen corresponding path program 2 times 18.44/8.39 [2019-03-29 01:52:04,749 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.44/8.39 [2019-03-29 01:52:04,749 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.44/8.39 [2019-03-29 01:52:04,750 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.44/8.39 [2019-03-29 01:52:04,750 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 18.44/8.39 [2019-03-29 01:52:04,750 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.44/8.39 [2019-03-29 01:52:04,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.44/8.39 [2019-03-29 01:52:04,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.44/8.39 [2019-03-29 01:52:04,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 01:52:04 BasicIcfg 18.44/8.39 [2019-03-29 01:52:04,829 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 18.44/8.39 [2019-03-29 01:52:04,830 INFO L168 Benchmark]: Toolchain (without parser) took 4005.64 ms. Allocated memory was 649.6 MB in the beginning and 744.0 MB in the end (delta: 94.4 MB). Free memory was 559.6 MB in the beginning and 587.6 MB in the end (delta: -28.0 MB). Peak memory consumption was 66.4 MB. Max. memory is 50.3 GB. 18.44/8.39 [2019-03-29 01:52:04,832 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 580.0 MB. There was no memory consumed. Max. memory is 50.3 GB. 18.44/8.39 [2019-03-29 01:52:04,832 INFO L168 Benchmark]: CACSL2BoogieTranslator took 235.55 ms. Allocated memory is still 649.6 MB. Free memory was 559.6 MB in the beginning and 550.1 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 18.44/8.39 [2019-03-29 01:52:04,833 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.99 ms. Allocated memory was 649.6 MB in the beginning and 665.3 MB in the end (delta: 15.7 MB). Free memory was 550.1 MB in the beginning and 630.4 MB in the end (delta: -80.3 MB). Peak memory consumption was 20.4 MB. Max. memory is 50.3 GB. 18.44/8.39 [2019-03-29 01:52:04,834 INFO L168 Benchmark]: Boogie Preprocessor took 19.74 ms. Allocated memory is still 665.3 MB. Free memory is still 630.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 18.44/8.39 [2019-03-29 01:52:04,834 INFO L168 Benchmark]: RCFGBuilder took 194.83 ms. Allocated memory is still 665.3 MB. Free memory was 630.4 MB in the beginning and 614.4 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 50.3 GB. 18.44/8.39 [2019-03-29 01:52:04,834 INFO L168 Benchmark]: BlockEncodingV2 took 76.33 ms. Allocated memory is still 665.3 MB. Free memory was 614.4 MB in the beginning and 609.3 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 50.3 GB. 18.44/8.39 [2019-03-29 01:52:04,835 INFO L168 Benchmark]: TraceAbstraction took 156.43 ms. Allocated memory is still 665.3 MB. Free memory was 607.9 MB in the beginning and 599.8 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 50.3 GB. 18.44/8.39 [2019-03-29 01:52:04,836 INFO L168 Benchmark]: BuchiAutomizer took 3221.55 ms. Allocated memory was 665.3 MB in the beginning and 744.0 MB in the end (delta: 78.6 MB). Free memory was 599.8 MB in the beginning and 587.6 MB in the end (delta: 12.2 MB). Peak memory consumption was 90.8 MB. Max. memory is 50.3 GB. 18.44/8.39 [2019-03-29 01:52:04,840 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 18.44/8.39 --- Results --- 18.44/8.39 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 18.44/8.39 - StatisticsResult: Initial Icfg 18.44/8.39 8 locations, 11 edges 18.44/8.39 - StatisticsResult: Encoded RCFG 18.44/8.39 4 locations, 8 edges 18.44/8.39 * Results from de.uni_freiburg.informatik.ultimate.core: 18.44/8.39 - StatisticsResult: Toolchain Benchmarks 18.44/8.39 Benchmark results are: 18.44/8.39 * CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 580.0 MB. There was no memory consumed. Max. memory is 50.3 GB. 18.44/8.39 * CACSL2BoogieTranslator took 235.55 ms. Allocated memory is still 649.6 MB. Free memory was 559.6 MB in the beginning and 550.1 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 18.44/8.39 * Boogie Procedure Inliner took 95.99 ms. Allocated memory was 649.6 MB in the beginning and 665.3 MB in the end (delta: 15.7 MB). Free memory was 550.1 MB in the beginning and 630.4 MB in the end (delta: -80.3 MB). Peak memory consumption was 20.4 MB. Max. memory is 50.3 GB. 18.44/8.39 * Boogie Preprocessor took 19.74 ms. Allocated memory is still 665.3 MB. Free memory is still 630.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 18.44/8.39 * RCFGBuilder took 194.83 ms. Allocated memory is still 665.3 MB. Free memory was 630.4 MB in the beginning and 614.4 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 50.3 GB. 18.44/8.39 * BlockEncodingV2 took 76.33 ms. Allocated memory is still 665.3 MB. Free memory was 614.4 MB in the beginning and 609.3 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 50.3 GB. 18.44/8.39 * TraceAbstraction took 156.43 ms. Allocated memory is still 665.3 MB. Free memory was 607.9 MB in the beginning and 599.8 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 50.3 GB. 18.44/8.39 * BuchiAutomizer took 3221.55 ms. Allocated memory was 665.3 MB in the beginning and 744.0 MB in the end (delta: 78.6 MB). Free memory was 599.8 MB in the beginning and 587.6 MB in the end (delta: 12.2 MB). Peak memory consumption was 90.8 MB. Max. memory is 50.3 GB. 18.44/8.39 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 18.44/8.39 - AllSpecificationsHoldResult: All specifications hold 18.44/8.39 We were not able to verify any specifiation because the program does not contain any specification. 18.44/8.39 - InvariantResult [Line: 11]: Loop Invariant 18.44/8.39 Derived loop invariant: 1 18.44/8.39 - StatisticsResult: Ultimate Automizer benchmark data 18.44/8.39 CFG has 1 procedures, 4 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 18.44/8.39 - StatisticsResult: Constructed decomposition of program 18.44/8.39 Your program was decomposed into 7 terminating modules (4 trivial, 0 deterministic, 3 nondeterministic) and one nonterminating remainder module.One nondeterministic module has affine ranking function -1 * i + 18 and consists of 4 locations. One nondeterministic module has affine ranking function i and consists of 6 locations. One nondeterministic module has affine ranking function -1 * i and consists of 5 locations. 4 modules have a trivial ranking function, the largest among these consists of 5 locations. The remainder module has 16 locations. 18.44/8.39 - StatisticsResult: Timing statistics 18.44/8.39 BüchiAutomizer plugin needed 3.1s and 8 iterations. TraceHistogramMax:2. Analysis of lassos took 2.3s. Construction of modules took 0.1s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 0. Minimization of nondet autom 7. Automata minimization 0.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 30 StatesRemovedByMinimization, 6 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 21 states and ocurred in iteration 4. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 16 SDtfs, 51 SDslu, 0 SDs, 0 SdLazy, 192 SolverSat, 24 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI3 SFLT1 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital25 mio100 ax151 hnf100 lsp66 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq145 hnf95 smp100 dnf100 smp100 tf102 neg100 sie107 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 16ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 8 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.7s 18.44/8.39 - TerminationAnalysisResult: Nontermination possible 18.44/8.39 Buchi Automizer proved that your program is nonterminating for some inputs 18.44/8.39 - FixpointNonTerminationResult [Line: 11]: Nontermination argument in form of an infinite program execution. 18.44/8.39 Nontermination argument in form of an infinite execution 18.44/8.39 State at position 0 is 18.44/8.39 {} 18.44/8.39 State at position 1 is 18.44/8.39 {range=20, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3bec961e=0, \result=0, i=-16} 18.44/8.39 - StatisticsResult: NonterminationArgumentStatistics 18.44/8.39 Fixpoint 18.44/8.39 - NonterminatingLassoResult [Line: 11]: Nonterminating execution 18.44/8.39 Found a nonterminating execution for the following lasso shaped sequence of statements. 18.44/8.39 Stem: 18.44/8.39 [L6] int i; 18.44/8.39 [L7] int range; 18.44/8.39 [L8] i = __VERIFIER_nondet_int() 18.44/8.39 [L9] range = 20 18.44/8.39 [L11] COND TRUE -range <= i && i <= range 18.44/8.39 [L12] COND TRUE range-i < 5 || range+i < 5 18.44/8.39 [L13] i = i*(-1) 18.44/8.39 Loop: 18.44/8.39 [L11] COND TRUE -range <= i && i <= range 18.44/8.39 [L12] COND TRUE range-i < 5 || range+i < 5 18.44/8.39 [L13] i = i*(-1) 18.44/8.39 [L11] COND TRUE -range <= i && i <= range 18.44/8.39 [L12] COND TRUE range-i < 5 || range+i < 5 18.44/8.39 [L13] i = i*(-1) 18.44/8.39 End of lasso representation. 18.44/8.39 RESULT: Ultimate proved your program to be incorrect! 18.44/8.39 !SESSION 2019-03-29 01:51:57.579 ----------------------------------------------- 18.44/8.39 eclipse.buildId=unknown 18.44/8.39 java.version=1.8.0_181 18.44/8.39 java.vendor=Oracle Corporation 18.44/8.39 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 18.44/8.39 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 18.44/8.39 Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox/tmp -i /export/starexec/sandbox/benchmark/theBenchmark.c 18.44/8.39 18.44/8.39 !ENTRY org.eclipse.core.resources 2 10035 2019-03-29 01:52:05.073 18.44/8.39 !MESSAGE The workspace will exit with unsaved changes in this session. 18.44/8.39 Received shutdown request... 18.44/8.39 Ultimate: 18.44/8.39 GTK+ Version Check 18.44/8.39 EOF