12.82/6.19 YES 12.82/6.19 12.82/6.19 Ultimate: Cannot open display: 12.82/6.19 This is Ultimate 0.1.24-8dc7c08-m 12.82/6.19 [2019-03-28 22:47:59,907 INFO L170 SettingsManager]: Resetting all preferences to default values... 12.82/6.19 [2019-03-28 22:47:59,909 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 12.82/6.19 [2019-03-28 22:47:59,920 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 12.82/6.19 [2019-03-28 22:47:59,920 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 12.82/6.19 [2019-03-28 22:47:59,921 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 12.82/6.19 [2019-03-28 22:47:59,923 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 12.82/6.19 [2019-03-28 22:47:59,924 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 12.82/6.19 [2019-03-28 22:47:59,926 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 12.82/6.19 [2019-03-28 22:47:59,926 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 12.82/6.19 [2019-03-28 22:47:59,929 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 12.82/6.19 [2019-03-28 22:47:59,929 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 12.82/6.19 [2019-03-28 22:47:59,930 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 12.82/6.19 [2019-03-28 22:47:59,931 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 12.82/6.19 [2019-03-28 22:47:59,932 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 12.82/6.19 [2019-03-28 22:47:59,933 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 12.82/6.19 [2019-03-28 22:47:59,933 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 12.82/6.19 [2019-03-28 22:47:59,935 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 12.82/6.19 [2019-03-28 22:47:59,937 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 12.82/6.19 [2019-03-28 22:47:59,938 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 12.82/6.19 [2019-03-28 22:47:59,939 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 12.82/6.19 [2019-03-28 22:47:59,941 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 12.82/6.19 [2019-03-28 22:47:59,943 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 12.82/6.19 [2019-03-28 22:47:59,943 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 12.82/6.19 [2019-03-28 22:47:59,944 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 12.82/6.19 [2019-03-28 22:47:59,944 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 12.82/6.19 [2019-03-28 22:47:59,945 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 12.82/6.19 [2019-03-28 22:47:59,946 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 12.82/6.19 [2019-03-28 22:47:59,946 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 12.82/6.19 [2019-03-28 22:47:59,947 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 12.82/6.19 [2019-03-28 22:47:59,947 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 12.82/6.19 [2019-03-28 22:47:59,948 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 12.82/6.19 [2019-03-28 22:47:59,949 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 12.82/6.19 [2019-03-28 22:47:59,949 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 12.82/6.19 [2019-03-28 22:47:59,950 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 12.82/6.19 [2019-03-28 22:47:59,950 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 12.82/6.19 [2019-03-28 22:47:59,950 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 12.82/6.19 [2019-03-28 22:47:59,951 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 12.82/6.19 [2019-03-28 22:47:59,952 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 12.82/6.19 [2019-03-28 22:47:59,952 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 12.82/6.19 [2019-03-28 22:47:59,966 INFO L110 SettingsManager]: Loading preferences was successful 12.82/6.19 [2019-03-28 22:47:59,967 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 12.82/6.19 [2019-03-28 22:47:59,968 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 12.82/6.19 [2019-03-28 22:47:59,968 INFO L133 SettingsManager]: * Rewrite not-equals=true 12.82/6.19 [2019-03-28 22:47:59,968 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 12.82/6.19 [2019-03-28 22:47:59,968 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 12.82/6.19 [2019-03-28 22:47:59,968 INFO L133 SettingsManager]: * Use SBE=true 12.82/6.19 [2019-03-28 22:47:59,969 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 12.82/6.19 [2019-03-28 22:47:59,969 INFO L133 SettingsManager]: * Use old map elimination=false 12.82/6.19 [2019-03-28 22:47:59,969 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 12.82/6.19 [2019-03-28 22:47:59,969 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 12.82/6.19 [2019-03-28 22:47:59,969 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 12.82/6.19 [2019-03-28 22:47:59,969 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 12.82/6.19 [2019-03-28 22:47:59,970 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 12.82/6.19 [2019-03-28 22:47:59,970 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 12.82/6.19 [2019-03-28 22:47:59,970 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 12.82/6.19 [2019-03-28 22:47:59,970 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 12.82/6.19 [2019-03-28 22:47:59,970 INFO L133 SettingsManager]: * Check division by zero=IGNORE 12.82/6.19 [2019-03-28 22:47:59,971 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 12.82/6.19 [2019-03-28 22:47:59,971 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 12.82/6.19 [2019-03-28 22:47:59,971 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 12.82/6.19 [2019-03-28 22:47:59,971 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 12.82/6.19 [2019-03-28 22:47:59,971 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 12.82/6.19 [2019-03-28 22:47:59,971 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 12.82/6.19 [2019-03-28 22:47:59,972 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 12.82/6.19 [2019-03-28 22:47:59,972 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 12.82/6.19 [2019-03-28 22:47:59,972 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 12.82/6.19 [2019-03-28 22:47:59,972 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 12.82/6.19 [2019-03-28 22:47:59,972 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 12.82/6.19 [2019-03-28 22:47:59,999 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 12.82/6.19 [2019-03-28 22:48:00,012 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 12.82/6.19 [2019-03-28 22:48:00,015 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 12.82/6.19 [2019-03-28 22:48:00,017 INFO L271 PluginConnector]: Initializing CDTParser... 12.82/6.19 [2019-03-28 22:48:00,017 INFO L276 PluginConnector]: CDTParser initialized 12.82/6.19 [2019-03-28 22:48:00,018 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 12.82/6.19 [2019-03-28 22:48:00,092 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/827f0f6bc7d948929e108a50a5eba881/FLAGb0ed18349 12.82/6.19 [2019-03-28 22:48:00,425 INFO L307 CDTParser]: Found 1 translation units. 12.82/6.19 [2019-03-28 22:48:00,426 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 12.82/6.19 [2019-03-28 22:48:00,433 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/827f0f6bc7d948929e108a50a5eba881/FLAGb0ed18349 12.82/6.19 [2019-03-28 22:48:00,836 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/827f0f6bc7d948929e108a50a5eba881 12.82/6.19 [2019-03-28 22:48:00,848 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 12.82/6.19 [2019-03-28 22:48:00,850 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 12.82/6.19 [2019-03-28 22:48:00,851 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 12.82/6.19 [2019-03-28 22:48:00,851 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 12.82/6.19 [2019-03-28 22:48:00,855 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 12.82/6.19 [2019-03-28 22:48:00,856 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:48:00" (1/1) ... 12.82/6.19 [2019-03-28 22:48:00,859 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28922a1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:48:00, skipping insertion in model container 12.82/6.19 [2019-03-28 22:48:00,859 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:48:00" (1/1) ... 12.82/6.19 [2019-03-28 22:48:00,867 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 12.82/6.19 [2019-03-28 22:48:00,885 INFO L176 MainTranslator]: Built tables and reachable declarations 12.82/6.19 [2019-03-28 22:48:01,044 INFO L206 PostProcessor]: Analyzing one entry point: main 12.82/6.19 [2019-03-28 22:48:01,049 INFO L191 MainTranslator]: Completed pre-run 12.82/6.19 [2019-03-28 22:48:01,065 INFO L206 PostProcessor]: Analyzing one entry point: main 12.82/6.19 [2019-03-28 22:48:01,081 INFO L195 MainTranslator]: Completed translation 12.82/6.19 [2019-03-28 22:48:01,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:48:01 WrapperNode 12.82/6.19 [2019-03-28 22:48:01,082 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 12.82/6.19 [2019-03-28 22:48:01,082 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 12.82/6.19 [2019-03-28 22:48:01,083 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 12.82/6.19 [2019-03-28 22:48:01,083 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 12.82/6.19 [2019-03-28 22:48:01,151 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:48:01" (1/1) ... 12.82/6.19 [2019-03-28 22:48:01,157 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:48:01" (1/1) ... 12.82/6.19 [2019-03-28 22:48:01,176 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 12.82/6.19 [2019-03-28 22:48:01,176 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 12.82/6.19 [2019-03-28 22:48:01,177 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 12.82/6.19 [2019-03-28 22:48:01,177 INFO L276 PluginConnector]: Boogie Preprocessor initialized 12.82/6.19 [2019-03-28 22:48:01,186 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:48:01" (1/1) ... 12.82/6.19 [2019-03-28 22:48:01,187 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:48:01" (1/1) ... 12.82/6.19 [2019-03-28 22:48:01,187 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:48:01" (1/1) ... 12.82/6.19 [2019-03-28 22:48:01,187 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:48:01" (1/1) ... 12.82/6.19 [2019-03-28 22:48:01,189 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:48:01" (1/1) ... 12.82/6.19 [2019-03-28 22:48:01,194 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:48:01" (1/1) ... 12.82/6.19 [2019-03-28 22:48:01,195 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:48:01" (1/1) ... 12.82/6.19 [2019-03-28 22:48:01,196 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 12.82/6.19 [2019-03-28 22:48:01,196 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 12.82/6.19 [2019-03-28 22:48:01,197 INFO L271 PluginConnector]: Initializing RCFGBuilder... 12.82/6.19 [2019-03-28 22:48:01,197 INFO L276 PluginConnector]: RCFGBuilder initialized 12.82/6.19 [2019-03-28 22:48:01,198 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:48:01" (1/1) ... 12.82/6.19 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 12.82/6.19 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 12.82/6.19 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 12.82/6.19 [2019-03-28 22:48:01,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 12.82/6.19 [2019-03-28 22:48:01,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 12.82/6.19 [2019-03-28 22:48:01,380 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 12.82/6.19 [2019-03-28 22:48:01,381 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 12.82/6.19 [2019-03-28 22:48:01,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:48:01 BoogieIcfgContainer 12.82/6.19 [2019-03-28 22:48:01,382 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 12.82/6.19 [2019-03-28 22:48:01,383 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 12.82/6.19 [2019-03-28 22:48:01,383 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 12.82/6.19 [2019-03-28 22:48:01,385 INFO L276 PluginConnector]: BlockEncodingV2 initialized 12.82/6.19 [2019-03-28 22:48:01,385 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:48:01" (1/1) ... 12.82/6.19 [2019-03-28 22:48:01,400 INFO L313 BlockEncoder]: Initial Icfg 7 locations, 9 edges 12.82/6.19 [2019-03-28 22:48:01,401 INFO L258 BlockEncoder]: Using Remove infeasible edges 12.82/6.19 [2019-03-28 22:48:01,402 INFO L263 BlockEncoder]: Using Maximize final states 12.82/6.19 [2019-03-28 22:48:01,403 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 12.82/6.19 [2019-03-28 22:48:01,403 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 12.82/6.19 [2019-03-28 22:48:01,405 INFO L296 BlockEncoder]: Using Remove sink states 12.82/6.19 [2019-03-28 22:48:01,406 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 12.82/6.19 [2019-03-28 22:48:01,406 INFO L179 BlockEncoder]: Using Rewrite not-equals 12.82/6.19 [2019-03-28 22:48:01,420 INFO L185 BlockEncoder]: Using Use SBE 12.82/6.19 [2019-03-28 22:48:01,428 INFO L200 BlockEncoder]: SBE split 0 edges 12.82/6.19 [2019-03-28 22:48:01,433 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 12.82/6.19 [2019-03-28 22:48:01,435 INFO L71 MaximizeFinalStates]: 0 new accepting states 12.82/6.19 [2019-03-28 22:48:01,445 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding 12.82/6.19 [2019-03-28 22:48:01,447 INFO L70 RemoveSinkStates]: Removed 3 edges and 2 locations by removing sink states 12.82/6.19 [2019-03-28 22:48:01,448 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 12.82/6.19 [2019-03-28 22:48:01,448 INFO L71 MaximizeFinalStates]: 0 new accepting states 12.82/6.19 [2019-03-28 22:48:01,453 INFO L100 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding 12.82/6.19 [2019-03-28 22:48:01,453 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 12.82/6.19 [2019-03-28 22:48:01,453 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 12.82/6.19 [2019-03-28 22:48:01,454 INFO L71 MaximizeFinalStates]: 0 new accepting states 12.82/6.19 [2019-03-28 22:48:01,454 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 12.82/6.19 [2019-03-28 22:48:01,454 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 12.82/6.19 [2019-03-28 22:48:01,454 INFO L313 BlockEncoder]: Encoded RCFG 2 locations, 2 edges 12.82/6.19 [2019-03-28 22:48:01,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:48:01 BasicIcfg 12.82/6.19 [2019-03-28 22:48:01,455 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 12.82/6.19 [2019-03-28 22:48:01,456 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 12.82/6.19 [2019-03-28 22:48:01,456 INFO L271 PluginConnector]: Initializing TraceAbstraction... 12.82/6.19 [2019-03-28 22:48:01,459 INFO L276 PluginConnector]: TraceAbstraction initialized 12.82/6.19 [2019-03-28 22:48:01,460 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 10:48:00" (1/4) ... 12.82/6.19 [2019-03-28 22:48:01,460 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57023373 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:48:01, skipping insertion in model container 12.82/6.19 [2019-03-28 22:48:01,461 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:48:01" (2/4) ... 12.82/6.19 [2019-03-28 22:48:01,461 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57023373 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:48:01, skipping insertion in model container 12.82/6.19 [2019-03-28 22:48:01,461 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:48:01" (3/4) ... 12.82/6.19 [2019-03-28 22:48:01,461 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57023373 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:48:01, skipping insertion in model container 12.82/6.19 [2019-03-28 22:48:01,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:48:01" (4/4) ... 12.82/6.19 [2019-03-28 22:48:01,463 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 12.82/6.19 [2019-03-28 22:48:01,473 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 12.82/6.19 [2019-03-28 22:48:01,480 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 12.82/6.19 [2019-03-28 22:48:01,498 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 12.82/6.19 [2019-03-28 22:48:01,526 INFO L133 ementStrategyFactory]: Using default assertion order modulation 12.82/6.19 [2019-03-28 22:48:01,527 INFO L382 AbstractCegarLoop]: Interprodecural is true 12.82/6.19 [2019-03-28 22:48:01,527 INFO L383 AbstractCegarLoop]: Hoare is true 12.82/6.19 [2019-03-28 22:48:01,527 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 12.82/6.19 [2019-03-28 22:48:01,527 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 12.82/6.19 [2019-03-28 22:48:01,528 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 12.82/6.19 [2019-03-28 22:48:01,528 INFO L387 AbstractCegarLoop]: Difference is false 12.82/6.19 [2019-03-28 22:48:01,528 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 12.82/6.19 [2019-03-28 22:48:01,528 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 12.82/6.19 [2019-03-28 22:48:01,543 INFO L276 IsEmpty]: Start isEmpty. Operand 2 states. 12.82/6.19 [2019-03-28 22:48:01,548 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 12.82/6.19 [2019-03-28 22:48:01,551 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 2 states. 12.82/6.19 [2019-03-28 22:48:01,601 INFO L451 ceAbstractionStarter]: At program point L19-2(lines 19 21) the Hoare annotation is: true 12.82/6.19 [2019-03-28 22:48:01,601 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 12.82/6.19 [2019-03-28 22:48:01,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:48:01 BasicIcfg 12.82/6.19 [2019-03-28 22:48:01,609 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 12.82/6.19 [2019-03-28 22:48:01,610 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 12.82/6.19 [2019-03-28 22:48:01,610 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 12.82/6.19 [2019-03-28 22:48:01,613 INFO L276 PluginConnector]: BuchiAutomizer initialized 12.82/6.19 [2019-03-28 22:48:01,614 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 12.82/6.19 [2019-03-28 22:48:01,614 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 10:48:00" (1/5) ... 12.82/6.19 [2019-03-28 22:48:01,615 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@722b970e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:48:01, skipping insertion in model container 12.82/6.19 [2019-03-28 22:48:01,615 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 12.82/6.19 [2019-03-28 22:48:01,615 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:48:01" (2/5) ... 12.82/6.19 [2019-03-28 22:48:01,616 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@722b970e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:48:01, skipping insertion in model container 12.82/6.19 [2019-03-28 22:48:01,616 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 12.82/6.19 [2019-03-28 22:48:01,616 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:48:01" (3/5) ... 12.82/6.19 [2019-03-28 22:48:01,616 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@722b970e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:48:01, skipping insertion in model container 12.82/6.19 [2019-03-28 22:48:01,616 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 12.82/6.19 [2019-03-28 22:48:01,617 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:48:01" (4/5) ... 12.82/6.19 [2019-03-28 22:48:01,617 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@722b970e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:48:01, skipping insertion in model container 12.82/6.19 [2019-03-28 22:48:01,617 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 12.82/6.19 [2019-03-28 22:48:01,618 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:48:01" (5/5) ... 12.82/6.19 [2019-03-28 22:48:01,619 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 12.82/6.19 [2019-03-28 22:48:01,646 INFO L133 ementStrategyFactory]: Using default assertion order modulation 12.82/6.19 [2019-03-28 22:48:01,646 INFO L374 BuchiCegarLoop]: Interprodecural is true 12.82/6.19 [2019-03-28 22:48:01,646 INFO L375 BuchiCegarLoop]: Hoare is true 12.82/6.19 [2019-03-28 22:48:01,646 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 12.82/6.19 [2019-03-28 22:48:01,647 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 12.82/6.19 [2019-03-28 22:48:01,647 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 12.82/6.19 [2019-03-28 22:48:01,647 INFO L379 BuchiCegarLoop]: Difference is false 12.82/6.19 [2019-03-28 22:48:01,647 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 12.82/6.19 [2019-03-28 22:48:01,647 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 12.82/6.19 [2019-03-28 22:48:01,650 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 12.82/6.19 [2019-03-28 22:48:01,667 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 12.82/6.19 [2019-03-28 22:48:01,668 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 12.82/6.19 [2019-03-28 22:48:01,668 INFO L119 BuchiIsEmpty]: Starting construction of run 12.82/6.19 [2019-03-28 22:48:01,673 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 12.82/6.19 [2019-03-28 22:48:01,674 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 12.82/6.19 [2019-03-28 22:48:01,674 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 12.82/6.19 [2019-03-28 22:48:01,674 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 12.82/6.19 [2019-03-28 22:48:01,675 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 12.82/6.19 [2019-03-28 22:48:01,675 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 12.82/6.19 [2019-03-28 22:48:01,675 INFO L119 BuchiIsEmpty]: Starting construction of run 12.82/6.19 [2019-03-28 22:48:01,675 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 12.82/6.19 [2019-03-28 22:48:01,675 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 12.82/6.19 [2019-03-28 22:48:01,680 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [37] ULTIMATE.startENTRY-->L19-2: Formula: (<= 1 v_ULTIMATE.start_main_~y~0_9) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_6|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_6|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_6|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 4#L19-2true 12.82/6.19 [2019-03-28 22:48:01,681 INFO L796 eck$LassoCheckResult]: Loop: 4#L19-2true [27] L19-2-->L19-2: Formula: (and (<= 0 v_ULTIMATE.start_main_~x~0_8) (= v_ULTIMATE.start_main_~x~0_7 (+ (* (- 1) v_ULTIMATE.start_main_~y~0_8) v_ULTIMATE.start_main_~x~0_8))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0] 4#L19-2true 12.82/6.19 [2019-03-28 22:48:01,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 12.82/6.19 [2019-03-28 22:48:01,687 INFO L82 PathProgramCache]: Analyzing trace with hash 68, now seen corresponding path program 1 times 12.82/6.19 [2019-03-28 22:48:01,689 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 12.82/6.19 [2019-03-28 22:48:01,690 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 12.82/6.19 [2019-03-28 22:48:01,718 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.82/6.19 [2019-03-28 22:48:01,718 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 12.82/6.19 [2019-03-28 22:48:01,718 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.82/6.19 [2019-03-28 22:48:01,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.82/6.19 [2019-03-28 22:48:01,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.82/6.19 [2019-03-28 22:48:01,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 12.82/6.19 [2019-03-28 22:48:01,756 INFO L82 PathProgramCache]: Analyzing trace with hash 58, now seen corresponding path program 1 times 12.82/6.19 [2019-03-28 22:48:01,756 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 12.82/6.19 [2019-03-28 22:48:01,756 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 12.82/6.19 [2019-03-28 22:48:01,758 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.82/6.19 [2019-03-28 22:48:01,758 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 12.82/6.19 [2019-03-28 22:48:01,758 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.82/6.19 [2019-03-28 22:48:01,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.82/6.19 [2019-03-28 22:48:01,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.82/6.19 [2019-03-28 22:48:01,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 12.82/6.19 [2019-03-28 22:48:01,768 INFO L82 PathProgramCache]: Analyzing trace with hash 2135, now seen corresponding path program 1 times 12.82/6.19 [2019-03-28 22:48:01,769 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 12.82/6.19 [2019-03-28 22:48:01,769 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 12.82/6.19 [2019-03-28 22:48:01,770 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.82/6.19 [2019-03-28 22:48:01,770 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 12.82/6.19 [2019-03-28 22:48:01,771 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.82/6.19 [2019-03-28 22:48:01,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.82/6.19 [2019-03-28 22:48:01,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.82/6.19 [2019-03-28 22:48:01,824 INFO L216 LassoAnalysis]: Preferences: 12.82/6.19 [2019-03-28 22:48:01,825 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 12.82/6.19 [2019-03-28 22:48:01,825 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 12.82/6.19 [2019-03-28 22:48:01,826 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 12.82/6.19 [2019-03-28 22:48:01,826 INFO L127 ssoRankerPreferences]: Use exernal solver: true 12.82/6.19 [2019-03-28 22:48:01,826 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 12.82/6.19 [2019-03-28 22:48:01,826 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 12.82/6.19 [2019-03-28 22:48:01,826 INFO L130 ssoRankerPreferences]: Path of dumped script: 12.82/6.19 [2019-03-28 22:48:01,827 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Lasso 12.82/6.19 [2019-03-28 22:48:01,827 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 12.82/6.19 [2019-03-28 22:48:01,827 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 12.82/6.19 [2019-03-28 22:48:01,848 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 12.82/6.19 [2019-03-28 22:48:01,856 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 12.82/6.19 [2019-03-28 22:48:01,861 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 12.82/6.19 [2019-03-28 22:48:01,864 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 12.82/6.19 [2019-03-28 22:48:01,882 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 12.82/6.19 [2019-03-28 22:48:01,887 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 12.82/6.19 [2019-03-28 22:48:01,997 INFO L300 LassoAnalysis]: Preprocessing complete. 12.82/6.19 [2019-03-28 22:48:01,998 INFO L412 LassoAnalysis]: Checking for nontermination... 12.82/6.19 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 12.82/6.19 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 12.82/6.19 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 12.82/6.19 [2019-03-28 22:48:02,009 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 12.82/6.19 [2019-03-28 22:48:02,010 INFO L163 nArgumentSynthesizer]: Using integer mode. 12.82/6.19 [2019-03-28 22:48:02,018 INFO L445 LassoAnalysis]: Proved nontermination for one component. 12.82/6.19 [2019-03-28 22:48:02,019 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: [] 12.82/6.19 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 12.82/6.19 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 12.82/6.19 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 12.82/6.19 [2019-03-28 22:48:02,047 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 12.82/6.19 [2019-03-28 22:48:02,047 INFO L163 nArgumentSynthesizer]: Using integer mode. 12.82/6.19 [2019-03-28 22:48:02,075 INFO L445 LassoAnalysis]: Proved nontermination for one component. 12.82/6.19 [2019-03-28 22:48:02,075 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: [] 12.82/6.19 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 12.82/6.19 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 12.82/6.19 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 12.82/6.19 [2019-03-28 22:48:02,080 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 12.82/6.19 [2019-03-28 22:48:02,080 INFO L163 nArgumentSynthesizer]: Using integer mode. 12.82/6.19 [2019-03-28 22:48:02,084 INFO L445 LassoAnalysis]: Proved nontermination for one component. 12.82/6.19 [2019-03-28 22:48:02,084 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: [] 12.82/6.19 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 12.82/6.19 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 12.82/6.19 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 12.82/6.19 [2019-03-28 22:48:02,111 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 12.82/6.19 [2019-03-28 22:48:02,112 INFO L163 nArgumentSynthesizer]: Using integer mode. 12.82/6.19 [2019-03-28 22:48:02,115 INFO L445 LassoAnalysis]: Proved nontermination for one component. 12.82/6.19 [2019-03-28 22:48:02,116 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1=0} Honda state: {ULTIMATE.start_main_#t~nondet1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 12.82/6.19 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 12.82/6.19 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 12.82/6.19 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 12.82/6.19 [2019-03-28 22:48:02,143 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 12.82/6.19 [2019-03-28 22:48:02,143 INFO L163 nArgumentSynthesizer]: Using integer mode. 12.82/6.19 [2019-03-28 22:48:02,170 INFO L445 LassoAnalysis]: Proved nontermination for one component. 12.82/6.19 [2019-03-28 22:48:02,170 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: [] 12.82/6.19 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 12.82/6.19 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 12.82/6.19 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 12.82/6.19 [2019-03-28 22:48:02,175 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 12.82/6.19 [2019-03-28 22:48:02,175 INFO L163 nArgumentSynthesizer]: Using integer mode. 12.82/6.19 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 12.82/6.19 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 12.82/6.19 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 12.82/6.19 [2019-03-28 22:48:02,207 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 12.82/6.19 [2019-03-28 22:48:02,207 INFO L163 nArgumentSynthesizer]: Using integer mode. 12.82/6.19 [2019-03-28 22:48:02,370 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 12.82/6.19 [2019-03-28 22:48:02,372 INFO L216 LassoAnalysis]: Preferences: 12.82/6.19 [2019-03-28 22:48:02,372 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 12.82/6.19 [2019-03-28 22:48:02,373 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 12.82/6.19 [2019-03-28 22:48:02,373 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 12.82/6.19 [2019-03-28 22:48:02,373 INFO L127 ssoRankerPreferences]: Use exernal solver: false 12.82/6.19 [2019-03-28 22:48:02,373 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 12.82/6.19 [2019-03-28 22:48:02,373 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 12.82/6.19 [2019-03-28 22:48:02,373 INFO L130 ssoRankerPreferences]: Path of dumped script: 12.82/6.19 [2019-03-28 22:48:02,373 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Lasso 12.82/6.19 [2019-03-28 22:48:02,374 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 12.82/6.19 [2019-03-28 22:48:02,374 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 12.82/6.19 [2019-03-28 22:48:02,376 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 12.82/6.19 [2019-03-28 22:48:02,379 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 12.82/6.19 [2019-03-28 22:48:02,385 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 12.82/6.20 [2019-03-28 22:48:02,388 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 12.82/6.20 [2019-03-28 22:48:02,390 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 12.82/6.20 [2019-03-28 22:48:02,407 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 12.82/6.20 [2019-03-28 22:48:02,488 INFO L300 LassoAnalysis]: Preprocessing complete. 12.82/6.20 [2019-03-28 22:48:02,494 INFO L497 LassoAnalysis]: Using template 'affine'. 12.82/6.20 [2019-03-28 22:48:02,496 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 12.82/6.20 Termination analysis: LINEAR_WITH_GUESSES 12.82/6.20 Number of strict supporting invariants: 0 12.82/6.20 Number of non-strict supporting invariants: 1 12.82/6.20 Consider only non-deceasing supporting invariants: true 12.82/6.20 Simplify termination arguments: true 12.82/6.20 Simplify supporting invariants: trueOverapproximate stem: false 12.82/6.20 [2019-03-28 22:48:02,497 INFO L339 nArgumentSynthesizer]: Template has degree 0. 12.82/6.20 [2019-03-28 22:48:02,498 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 12.82/6.20 [2019-03-28 22:48:02,498 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 12.82/6.20 [2019-03-28 22:48:02,499 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 12.82/6.20 [2019-03-28 22:48:02,499 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 12.82/6.20 [2019-03-28 22:48:02,501 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 12.82/6.20 [2019-03-28 22:48:02,501 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 12.82/6.20 [2019-03-28 22:48:02,505 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 12.82/6.20 [2019-03-28 22:48:02,506 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 12.82/6.20 Termination analysis: LINEAR_WITH_GUESSES 12.82/6.20 Number of strict supporting invariants: 0 12.82/6.20 Number of non-strict supporting invariants: 1 12.82/6.20 Consider only non-deceasing supporting invariants: true 12.82/6.20 Simplify termination arguments: true 12.82/6.20 Simplify supporting invariants: trueOverapproximate stem: false 12.82/6.20 [2019-03-28 22:48:02,506 INFO L339 nArgumentSynthesizer]: Template has degree 0. 12.82/6.20 [2019-03-28 22:48:02,507 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 12.82/6.20 [2019-03-28 22:48:02,507 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 12.82/6.20 [2019-03-28 22:48:02,507 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 12.82/6.20 [2019-03-28 22:48:02,510 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 12.82/6.20 [2019-03-28 22:48:02,510 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 12.82/6.20 [2019-03-28 22:48:02,516 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 12.82/6.20 [2019-03-28 22:48:02,517 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 12.82/6.20 Termination analysis: LINEAR_WITH_GUESSES 12.82/6.20 Number of strict supporting invariants: 0 12.82/6.20 Number of non-strict supporting invariants: 1 12.82/6.20 Consider only non-deceasing supporting invariants: true 12.82/6.20 Simplify termination arguments: true 12.82/6.20 Simplify supporting invariants: trueOverapproximate stem: false 12.82/6.20 [2019-03-28 22:48:02,518 INFO L339 nArgumentSynthesizer]: Template has degree 0. 12.82/6.20 [2019-03-28 22:48:02,519 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 12.82/6.20 [2019-03-28 22:48:02,519 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 12.82/6.20 [2019-03-28 22:48:02,519 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 12.82/6.20 [2019-03-28 22:48:02,519 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 12.82/6.20 [2019-03-28 22:48:02,520 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 12.82/6.20 [2019-03-28 22:48:02,520 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 12.82/6.20 [2019-03-28 22:48:02,521 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 12.82/6.20 [2019-03-28 22:48:02,521 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 12.82/6.20 Termination analysis: LINEAR_WITH_GUESSES 12.82/6.20 Number of strict supporting invariants: 0 12.82/6.20 Number of non-strict supporting invariants: 1 12.82/6.20 Consider only non-deceasing supporting invariants: true 12.82/6.20 Simplify termination arguments: true 12.82/6.20 Simplify supporting invariants: trueOverapproximate stem: false 12.82/6.20 [2019-03-28 22:48:02,522 INFO L339 nArgumentSynthesizer]: Template has degree 0. 12.82/6.20 [2019-03-28 22:48:02,522 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 12.82/6.20 [2019-03-28 22:48:02,522 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 12.82/6.20 [2019-03-28 22:48:02,523 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 12.82/6.20 [2019-03-28 22:48:02,523 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 12.82/6.20 [2019-03-28 22:48:02,523 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 12.82/6.20 [2019-03-28 22:48:02,523 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 12.82/6.20 [2019-03-28 22:48:02,524 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 12.82/6.20 [2019-03-28 22:48:02,525 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 12.82/6.20 Termination analysis: LINEAR_WITH_GUESSES 12.82/6.20 Number of strict supporting invariants: 0 12.82/6.20 Number of non-strict supporting invariants: 1 12.82/6.20 Consider only non-deceasing supporting invariants: true 12.82/6.20 Simplify termination arguments: true 12.82/6.20 Simplify supporting invariants: trueOverapproximate stem: false 12.82/6.20 [2019-03-28 22:48:02,525 INFO L339 nArgumentSynthesizer]: Template has degree 0. 12.82/6.20 [2019-03-28 22:48:02,526 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 12.82/6.20 [2019-03-28 22:48:02,526 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 12.82/6.20 [2019-03-28 22:48:02,526 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 12.82/6.20 [2019-03-28 22:48:02,529 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 12.82/6.20 [2019-03-28 22:48:02,529 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 12.82/6.20 [2019-03-28 22:48:02,554 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 12.82/6.20 [2019-03-28 22:48:02,565 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 12.82/6.20 [2019-03-28 22:48:02,566 INFO L444 ModelExtractionUtils]: 5 out of 10 variables were initially zero. Simplification set additionally 0 variables to zero. 12.82/6.20 [2019-03-28 22:48:02,569 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 12.82/6.20 [2019-03-28 22:48:02,572 INFO L440 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. 12.82/6.20 [2019-03-28 22:48:02,572 INFO L518 LassoAnalysis]: Proved termination. 12.82/6.20 [2019-03-28 22:48:02,573 INFO L520 LassoAnalysis]: Termination argument consisting of: 12.82/6.20 Ranking function f(ULTIMATE.start_main_~x~0) = 2*ULTIMATE.start_main_~x~0 + 1 12.82/6.20 Supporting invariants [1*ULTIMATE.start_main_~y~0 - 1 >= 0] 12.82/6.20 [2019-03-28 22:48:02,578 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed 12.82/6.20 [2019-03-28 22:48:02,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 12.82/6.20 [2019-03-28 22:48:02,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 12.82/6.20 [2019-03-28 22:48:02,642 WARN L254 TraceCheckSpWp]: Trace formula consists of 3 conjuncts, 3 conjunts are in the unsatisfiable core 12.82/6.20 [2019-03-28 22:48:02,643 INFO L279 TraceCheckSpWp]: Computing forward predicates... 12.82/6.20 [2019-03-28 22:48:02,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 12.82/6.20 [2019-03-28 22:48:02,654 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core 12.82/6.20 [2019-03-28 22:48:02,654 INFO L279 TraceCheckSpWp]: Computing forward predicates... 12.82/6.20 [2019-03-28 22:48:02,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 12.82/6.20 [2019-03-28 22:48:02,678 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 12.82/6.20 [2019-03-28 22:48:02,683 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 12.82/6.20 [2019-03-28 22:48:02,684 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 2 states. Second operand 2 states. 12.82/6.20 [2019-03-28 22:48:02,730 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 2 states.. Second operand 2 states. Result 3 states and 3 transitions. Complement of second has 2 states. 12.82/6.20 [2019-03-28 22:48:02,731 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states 12.82/6.20 [2019-03-28 22:48:02,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. 12.82/6.20 [2019-03-28 22:48:02,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 4 transitions. 12.82/6.20 [2019-03-28 22:48:02,735 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 1 letters. Loop has 1 letters. 12.82/6.20 [2019-03-28 22:48:02,735 INFO L116 BuchiAccepts]: Finished buchiAccepts. 12.82/6.20 [2019-03-28 22:48:02,735 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 2 letters. Loop has 1 letters. 12.82/6.20 [2019-03-28 22:48:02,736 INFO L116 BuchiAccepts]: Finished buchiAccepts. 12.82/6.20 [2019-03-28 22:48:02,736 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 1 letters. Loop has 2 letters. 12.82/6.20 [2019-03-28 22:48:02,736 INFO L116 BuchiAccepts]: Finished buchiAccepts. 12.82/6.20 [2019-03-28 22:48:02,741 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3 states and 3 transitions. 12.82/6.20 [2019-03-28 22:48:02,741 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 12.82/6.20 [2019-03-28 22:48:02,744 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3 states to 0 states and 0 transitions. 12.82/6.20 [2019-03-28 22:48:02,745 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 12.82/6.20 [2019-03-28 22:48:02,746 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 12.82/6.20 [2019-03-28 22:48:02,746 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 12.82/6.20 [2019-03-28 22:48:02,746 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 12.82/6.20 [2019-03-28 22:48:02,747 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 12.82/6.20 [2019-03-28 22:48:02,747 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 12.82/6.20 [2019-03-28 22:48:02,747 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 12.82/6.20 [2019-03-28 22:48:02,747 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 12.82/6.20 [2019-03-28 22:48:02,747 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 12.82/6.20 [2019-03-28 22:48:02,747 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 12.82/6.20 [2019-03-28 22:48:02,747 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 12.82/6.20 [2019-03-28 22:48:02,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:48:02 BasicIcfg 12.82/6.20 [2019-03-28 22:48:02,753 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 12.82/6.20 [2019-03-28 22:48:02,754 INFO L168 Benchmark]: Toolchain (without parser) took 1905.07 ms. Allocated memory was 649.6 MB in the beginning and 673.7 MB in the end (delta: 24.1 MB). Free memory was 563.8 MB in the beginning and 513.9 MB in the end (delta: 49.9 MB). Peak memory consumption was 74.1 MB. Max. memory is 50.3 GB. 12.82/6.20 [2019-03-28 22:48:02,756 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 585.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 12.82/6.20 [2019-03-28 22:48:02,756 INFO L168 Benchmark]: CACSL2BoogieTranslator took 231.18 ms. Allocated memory is still 649.6 MB. Free memory was 563.8 MB in the beginning and 554.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 12.82/6.20 [2019-03-28 22:48:02,757 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.74 ms. Allocated memory was 649.6 MB in the beginning and 673.7 MB in the end (delta: 24.1 MB). Free memory was 554.4 MB in the beginning and 641.3 MB in the end (delta: -86.9 MB). Peak memory consumption was 20.3 MB. Max. memory is 50.3 GB. 12.82/6.20 [2019-03-28 22:48:02,758 INFO L168 Benchmark]: Boogie Preprocessor took 19.48 ms. Allocated memory is still 673.7 MB. Free memory was 640.0 MB in the beginning and 638.2 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 50.3 GB. 12.82/6.20 [2019-03-28 22:48:02,758 INFO L168 Benchmark]: RCFGBuilder took 185.82 ms. Allocated memory is still 673.7 MB. Free memory was 638.2 MB in the beginning and 625.3 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 50.3 GB. 12.82/6.20 [2019-03-28 22:48:02,759 INFO L168 Benchmark]: BlockEncodingV2 took 72.66 ms. Allocated memory is still 673.7 MB. Free memory was 625.3 MB in the beginning and 619.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 12.82/6.20 [2019-03-28 22:48:02,759 INFO L168 Benchmark]: TraceAbstraction took 153.20 ms. Allocated memory is still 673.7 MB. Free memory was 619.9 MB in the beginning and 610.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 12.82/6.20 [2019-03-28 22:48:02,760 INFO L168 Benchmark]: BuchiAutomizer took 1143.64 ms. Allocated memory is still 673.7 MB. Free memory was 610.4 MB in the beginning and 513.9 MB in the end (delta: 96.5 MB). Peak memory consumption was 96.5 MB. Max. memory is 50.3 GB. 12.82/6.20 [2019-03-28 22:48:02,764 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 12.82/6.20 --- Results --- 12.82/6.20 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 12.82/6.20 - StatisticsResult: Initial Icfg 12.82/6.20 7 locations, 9 edges 12.82/6.20 - StatisticsResult: Encoded RCFG 12.82/6.20 2 locations, 2 edges 12.82/6.20 * Results from de.uni_freiburg.informatik.ultimate.core: 12.82/6.20 - StatisticsResult: Toolchain Benchmarks 12.82/6.20 Benchmark results are: 12.82/6.20 * CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 585.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 12.82/6.20 * CACSL2BoogieTranslator took 231.18 ms. Allocated memory is still 649.6 MB. Free memory was 563.8 MB in the beginning and 554.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 12.82/6.20 * Boogie Procedure Inliner took 93.74 ms. Allocated memory was 649.6 MB in the beginning and 673.7 MB in the end (delta: 24.1 MB). Free memory was 554.4 MB in the beginning and 641.3 MB in the end (delta: -86.9 MB). Peak memory consumption was 20.3 MB. Max. memory is 50.3 GB. 12.82/6.20 * Boogie Preprocessor took 19.48 ms. Allocated memory is still 673.7 MB. Free memory was 640.0 MB in the beginning and 638.2 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 50.3 GB. 12.82/6.20 * RCFGBuilder took 185.82 ms. Allocated memory is still 673.7 MB. Free memory was 638.2 MB in the beginning and 625.3 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 50.3 GB. 12.82/6.20 * BlockEncodingV2 took 72.66 ms. Allocated memory is still 673.7 MB. Free memory was 625.3 MB in the beginning and 619.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 12.82/6.20 * TraceAbstraction took 153.20 ms. Allocated memory is still 673.7 MB. Free memory was 619.9 MB in the beginning and 610.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 12.82/6.20 * BuchiAutomizer took 1143.64 ms. Allocated memory is still 673.7 MB. Free memory was 610.4 MB in the beginning and 513.9 MB in the end (delta: 96.5 MB). Peak memory consumption was 96.5 MB. Max. memory is 50.3 GB. 12.82/6.20 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 12.82/6.20 - AllSpecificationsHoldResult: All specifications hold 12.82/6.20 We were not able to verify any specifiation because the program does not contain any specification. 12.82/6.20 - InvariantResult [Line: 19]: Loop Invariant 12.82/6.20 Derived loop invariant: 1 12.82/6.20 - StatisticsResult: Ultimate Automizer benchmark data 12.82/6.20 CFG has 1 procedures, 2 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=2occurred 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 12.82/6.20 - StatisticsResult: Constructed decomposition of program 12.82/6.20 Your program was decomposed into 1 terminating modules (0 trivial, 0 deterministic, 1 nondeterministic). One nondeterministic module has affine ranking function 2 * x + 1 and consists of 2 locations. 12.82/6.20 - StatisticsResult: Timing statistics 12.82/6.20 BüchiAutomizer plugin needed 1.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 2 SDtfs, 2 SDslu, 0 SDs, 0 SdLazy, 1 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital14 mio100 ax192 hnf92 lsp47 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq150 hnf94 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 11ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 5 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s 12.82/6.20 - TerminationAnalysisResult: Termination proven 12.82/6.20 Buchi Automizer proved that your program is terminating 12.82/6.20 RESULT: Ultimate proved your program to be correct! 12.82/6.20 !SESSION 2019-03-28 22:47:57.622 ----------------------------------------------- 12.82/6.20 eclipse.buildId=unknown 12.82/6.20 java.version=1.8.0_181 12.82/6.20 java.vendor=Oracle Corporation 12.82/6.20 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 12.82/6.20 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 12.82/6.20 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 12.82/6.20 12.82/6.20 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 22:48:02.996 12.82/6.20 !MESSAGE The workspace will exit with unsaved changes in this session. 12.82/6.20 Received shutdown request... 12.82/6.20 Ultimate: 12.82/6.20 GTK+ Version Check 12.82/6.20 EOF