14.77/7.01 YES 14.77/7.01 14.77/7.02 Ultimate: Cannot open display: 14.77/7.02 This is Ultimate 0.1.24-8dc7c08-m 14.77/7.02 [2019-03-28 22:40:30,890 INFO L170 SettingsManager]: Resetting all preferences to default values... 14.77/7.02 [2019-03-28 22:40:30,893 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 14.77/7.02 [2019-03-28 22:40:30,904 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 14.77/7.02 [2019-03-28 22:40:30,905 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 14.77/7.02 [2019-03-28 22:40:30,906 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 14.77/7.02 [2019-03-28 22:40:30,907 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 14.77/7.02 [2019-03-28 22:40:30,908 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 14.77/7.02 [2019-03-28 22:40:30,910 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 14.77/7.02 [2019-03-28 22:40:30,911 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 14.77/7.02 [2019-03-28 22:40:30,912 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 14.77/7.02 [2019-03-28 22:40:30,912 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 14.77/7.02 [2019-03-28 22:40:30,913 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 14.77/7.02 [2019-03-28 22:40:30,914 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 14.77/7.02 [2019-03-28 22:40:30,915 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 14.77/7.02 [2019-03-28 22:40:30,916 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 14.77/7.02 [2019-03-28 22:40:30,916 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 14.77/7.02 [2019-03-28 22:40:30,918 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 14.77/7.02 [2019-03-28 22:40:30,920 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 14.77/7.02 [2019-03-28 22:40:30,921 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 14.77/7.02 [2019-03-28 22:40:30,922 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 14.77/7.02 [2019-03-28 22:40:30,923 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 14.77/7.02 [2019-03-28 22:40:30,926 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 14.77/7.02 [2019-03-28 22:40:30,926 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 14.77/7.02 [2019-03-28 22:40:30,926 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 14.77/7.02 [2019-03-28 22:40:30,927 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 14.77/7.02 [2019-03-28 22:40:30,927 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 14.77/7.02 [2019-03-28 22:40:30,928 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 14.77/7.02 [2019-03-28 22:40:30,928 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 14.77/7.02 [2019-03-28 22:40:30,929 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 14.77/7.02 [2019-03-28 22:40:30,930 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 14.77/7.02 [2019-03-28 22:40:30,930 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 14.77/7.02 [2019-03-28 22:40:30,931 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 14.77/7.02 [2019-03-28 22:40:30,932 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 14.77/7.02 [2019-03-28 22:40:30,932 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 14.77/7.02 [2019-03-28 22:40:30,933 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 14.77/7.02 [2019-03-28 22:40:30,933 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 14.77/7.02 [2019-03-28 22:40:30,934 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 14.77/7.02 [2019-03-28 22:40:30,934 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 14.77/7.02 [2019-03-28 22:40:30,935 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf 14.77/7.02 [2019-03-28 22:40:30,949 INFO L110 SettingsManager]: Loading preferences was successful 14.77/7.02 [2019-03-28 22:40:30,949 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 14.77/7.02 [2019-03-28 22:40:30,951 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 14.77/7.02 [2019-03-28 22:40:30,951 INFO L133 SettingsManager]: * Rewrite not-equals=true 14.77/7.02 [2019-03-28 22:40:30,951 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 14.77/7.02 [2019-03-28 22:40:30,951 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 14.77/7.02 [2019-03-28 22:40:30,951 INFO L133 SettingsManager]: * Use SBE=true 14.77/7.02 [2019-03-28 22:40:30,952 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 14.77/7.02 [2019-03-28 22:40:30,952 INFO L133 SettingsManager]: * Use old map elimination=false 14.77/7.02 [2019-03-28 22:40:30,952 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 14.77/7.02 [2019-03-28 22:40:30,952 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 14.77/7.02 [2019-03-28 22:40:30,952 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 14.77/7.02 [2019-03-28 22:40:30,952 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 14.77/7.02 [2019-03-28 22:40:30,953 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 14.77/7.02 [2019-03-28 22:40:30,953 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.77/7.02 [2019-03-28 22:40:30,953 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 14.77/7.02 [2019-03-28 22:40:30,953 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 14.77/7.02 [2019-03-28 22:40:30,954 INFO L133 SettingsManager]: * Check division by zero=IGNORE 14.77/7.02 [2019-03-28 22:40:30,954 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 14.77/7.02 [2019-03-28 22:40:30,954 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 14.77/7.02 [2019-03-28 22:40:30,954 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 14.77/7.02 [2019-03-28 22:40:30,954 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 14.77/7.02 [2019-03-28 22:40:30,954 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 14.77/7.02 [2019-03-28 22:40:30,955 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 14.77/7.02 [2019-03-28 22:40:30,955 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 14.77/7.02 [2019-03-28 22:40:30,955 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 14.77/7.02 [2019-03-28 22:40:30,955 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 14.77/7.02 [2019-03-28 22:40:30,955 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 14.77/7.02 [2019-03-28 22:40:30,956 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 14.77/7.02 [2019-03-28 22:40:30,982 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 14.77/7.02 [2019-03-28 22:40:30,995 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 14.77/7.02 [2019-03-28 22:40:30,999 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 14.77/7.02 [2019-03-28 22:40:31,000 INFO L271 PluginConnector]: Initializing CDTParser... 14.77/7.02 [2019-03-28 22:40:31,001 INFO L276 PluginConnector]: CDTParser initialized 14.77/7.02 [2019-03-28 22:40:31,001 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c 14.77/7.02 [2019-03-28 22:40:31,065 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/72819b2f08424b84b425dedb64f7696b/FLAG625c88a66 14.77/7.02 [2019-03-28 22:40:31,402 INFO L307 CDTParser]: Found 1 translation units. 14.77/7.02 [2019-03-28 22:40:31,402 INFO L161 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c 14.77/7.02 [2019-03-28 22:40:31,409 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/72819b2f08424b84b425dedb64f7696b/FLAG625c88a66 14.77/7.02 [2019-03-28 22:40:31,809 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/72819b2f08424b84b425dedb64f7696b 14.77/7.02 [2019-03-28 22:40:31,820 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 14.77/7.02 [2019-03-28 22:40:31,822 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 14.77/7.02 [2019-03-28 22:40:31,823 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 14.77/7.02 [2019-03-28 22:40:31,823 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 14.77/7.02 [2019-03-28 22:40:31,827 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 14.77/7.02 [2019-03-28 22:40:31,828 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:40:31" (1/1) ... 14.77/7.02 [2019-03-28 22:40:31,831 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d81c130 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:40:31, skipping insertion in model container 14.77/7.02 [2019-03-28 22:40:31,831 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:40:31" (1/1) ... 14.77/7.02 [2019-03-28 22:40:31,838 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 14.77/7.02 [2019-03-28 22:40:31,856 INFO L176 MainTranslator]: Built tables and reachable declarations 14.77/7.02 [2019-03-28 22:40:32,009 INFO L206 PostProcessor]: Analyzing one entry point: main 14.77/7.02 [2019-03-28 22:40:32,013 INFO L191 MainTranslator]: Completed pre-run 14.77/7.02 [2019-03-28 22:40:32,029 INFO L206 PostProcessor]: Analyzing one entry point: main 14.77/7.02 [2019-03-28 22:40:32,096 INFO L195 MainTranslator]: Completed translation 14.77/7.02 [2019-03-28 22:40:32,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:40:32 WrapperNode 14.77/7.02 [2019-03-28 22:40:32,097 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 14.77/7.02 [2019-03-28 22:40:32,098 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 14.77/7.02 [2019-03-28 22:40:32,098 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 14.77/7.02 [2019-03-28 22:40:32,098 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 14.77/7.02 [2019-03-28 22:40:32,108 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:40:32" (1/1) ... 14.77/7.02 [2019-03-28 22:40:32,113 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:40:32" (1/1) ... 14.77/7.02 [2019-03-28 22:40:32,133 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 14.77/7.02 [2019-03-28 22:40:32,133 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 14.77/7.02 [2019-03-28 22:40:32,133 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 14.77/7.02 [2019-03-28 22:40:32,134 INFO L276 PluginConnector]: Boogie Preprocessor initialized 14.77/7.02 [2019-03-28 22:40:32,143 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:40:32" (1/1) ... 14.77/7.02 [2019-03-28 22:40:32,143 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:40:32" (1/1) ... 14.77/7.02 [2019-03-28 22:40:32,144 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:40:32" (1/1) ... 14.77/7.02 [2019-03-28 22:40:32,144 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:40:32" (1/1) ... 14.77/7.02 [2019-03-28 22:40:32,146 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:40:32" (1/1) ... 14.77/7.02 [2019-03-28 22:40:32,151 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:40:32" (1/1) ... 14.77/7.02 [2019-03-28 22:40:32,151 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:40:32" (1/1) ... 14.77/7.02 [2019-03-28 22:40:32,153 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 14.77/7.02 [2019-03-28 22:40:32,153 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 14.77/7.02 [2019-03-28 22:40:32,153 INFO L271 PluginConnector]: Initializing RCFGBuilder... 14.77/7.02 [2019-03-28 22:40:32,153 INFO L276 PluginConnector]: RCFGBuilder initialized 14.77/7.02 [2019-03-28 22:40:32,154 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:40:32" (1/1) ... 14.77/7.02 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 14.77/7.02 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 14.77/7.02 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 14.77/7.02 [2019-03-28 22:40:32,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 14.77/7.02 [2019-03-28 22:40:32,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 14.77/7.02 [2019-03-28 22:40:32,348 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 14.77/7.02 [2019-03-28 22:40:32,349 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 14.77/7.02 [2019-03-28 22:40:32,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:40:32 BoogieIcfgContainer 14.77/7.02 [2019-03-28 22:40:32,350 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 14.77/7.02 [2019-03-28 22:40:32,351 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 14.77/7.02 [2019-03-28 22:40:32,351 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 14.77/7.02 [2019-03-28 22:40:32,353 INFO L276 PluginConnector]: BlockEncodingV2 initialized 14.77/7.02 [2019-03-28 22:40:32,353 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:40:32" (1/1) ... 14.77/7.02 [2019-03-28 22:40:32,368 INFO L313 BlockEncoder]: Initial Icfg 7 locations, 9 edges 14.77/7.02 [2019-03-28 22:40:32,369 INFO L258 BlockEncoder]: Using Remove infeasible edges 14.77/7.02 [2019-03-28 22:40:32,370 INFO L263 BlockEncoder]: Using Maximize final states 14.77/7.02 [2019-03-28 22:40:32,371 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 14.77/7.02 [2019-03-28 22:40:32,371 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 14.77/7.02 [2019-03-28 22:40:32,373 INFO L296 BlockEncoder]: Using Remove sink states 14.77/7.02 [2019-03-28 22:40:32,374 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 14.77/7.02 [2019-03-28 22:40:32,374 INFO L179 BlockEncoder]: Using Rewrite not-equals 14.77/7.02 [2019-03-28 22:40:32,389 INFO L185 BlockEncoder]: Using Use SBE 14.77/7.02 [2019-03-28 22:40:32,403 INFO L200 BlockEncoder]: SBE split 2 edges 14.77/7.02 [2019-03-28 22:40:32,407 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 14.77/7.02 [2019-03-28 22:40:32,409 INFO L71 MaximizeFinalStates]: 0 new accepting states 14.77/7.02 [2019-03-28 22:40:32,418 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding 14.77/7.02 [2019-03-28 22:40:32,420 INFO L70 RemoveSinkStates]: Removed 3 edges and 2 locations by removing sink states 14.77/7.02 [2019-03-28 22:40:32,421 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 14.77/7.02 [2019-03-28 22:40:32,422 INFO L71 MaximizeFinalStates]: 0 new accepting states 14.77/7.02 [2019-03-28 22:40:32,422 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 14.77/7.02 [2019-03-28 22:40:32,422 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 14.77/7.02 [2019-03-28 22:40:32,422 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 5 edges 14.77/7.02 [2019-03-28 22:40:32,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:40:32 BasicIcfg 14.77/7.02 [2019-03-28 22:40:32,423 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 14.77/7.02 [2019-03-28 22:40:32,424 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 14.77/7.02 [2019-03-28 22:40:32,424 INFO L271 PluginConnector]: Initializing TraceAbstraction... 14.77/7.02 [2019-03-28 22:40:32,427 INFO L276 PluginConnector]: TraceAbstraction initialized 14.77/7.02 [2019-03-28 22:40:32,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 10:40:31" (1/4) ... 14.77/7.02 [2019-03-28 22:40:32,428 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4677a476 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:40:32, skipping insertion in model container 14.77/7.02 [2019-03-28 22:40:32,429 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:40:32" (2/4) ... 14.77/7.02 [2019-03-28 22:40:32,430 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4677a476 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:40:32, skipping insertion in model container 14.77/7.02 [2019-03-28 22:40:32,430 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:40:32" (3/4) ... 14.77/7.02 [2019-03-28 22:40:32,430 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4677a476 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:40:32, skipping insertion in model container 14.77/7.02 [2019-03-28 22:40:32,431 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:40:32" (4/4) ... 14.77/7.02 [2019-03-28 22:40:32,432 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 14.77/7.02 [2019-03-28 22:40:32,442 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 14.77/7.02 [2019-03-28 22:40:32,449 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 14.77/7.02 [2019-03-28 22:40:32,466 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 14.77/7.02 [2019-03-28 22:40:32,495 INFO L133 ementStrategyFactory]: Using default assertion order modulation 14.77/7.02 [2019-03-28 22:40:32,496 INFO L382 AbstractCegarLoop]: Interprodecural is true 14.77/7.02 [2019-03-28 22:40:32,496 INFO L383 AbstractCegarLoop]: Hoare is true 14.77/7.02 [2019-03-28 22:40:32,496 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 14.77/7.02 [2019-03-28 22:40:32,496 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 14.77/7.02 [2019-03-28 22:40:32,497 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 14.77/7.02 [2019-03-28 22:40:32,497 INFO L387 AbstractCegarLoop]: Difference is false 14.77/7.02 [2019-03-28 22:40:32,497 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 14.77/7.02 [2019-03-28 22:40:32,497 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 14.77/7.02 [2019-03-28 22:40:32,511 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. 14.77/7.02 [2019-03-28 22:40:32,516 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 14.77/7.02 [2019-03-28 22:40:32,519 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. 14.77/7.02 [2019-03-28 22:40:32,568 INFO L451 ceAbstractionStarter]: At program point L19-2(lines 18 25) the Hoare annotation is: true 14.77/7.02 [2019-03-28 22:40:32,569 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 14.77/7.02 [2019-03-28 22:40:32,569 INFO L448 ceAbstractionStarter]: For program point L19(lines 19 24) no Hoare annotation was computed. 14.77/7.02 [2019-03-28 22:40:32,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:40:32 BasicIcfg 14.77/7.02 [2019-03-28 22:40:32,577 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 14.77/7.02 [2019-03-28 22:40:32,578 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 14.77/7.02 [2019-03-28 22:40:32,578 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 14.77/7.02 [2019-03-28 22:40:32,581 INFO L276 PluginConnector]: BuchiAutomizer initialized 14.77/7.02 [2019-03-28 22:40:32,582 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.77/7.02 [2019-03-28 22:40:32,582 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 10:40:31" (1/5) ... 14.77/7.02 [2019-03-28 22:40:32,583 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@199b0b35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:40:32, skipping insertion in model container 14.77/7.02 [2019-03-28 22:40:32,583 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.77/7.02 [2019-03-28 22:40:32,583 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:40:32" (2/5) ... 14.77/7.02 [2019-03-28 22:40:32,583 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@199b0b35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:40:32, skipping insertion in model container 14.77/7.02 [2019-03-28 22:40:32,584 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.77/7.02 [2019-03-28 22:40:32,584 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:40:32" (3/5) ... 14.77/7.02 [2019-03-28 22:40:32,584 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@199b0b35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:40:32, skipping insertion in model container 14.77/7.02 [2019-03-28 22:40:32,584 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.77/7.02 [2019-03-28 22:40:32,584 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:40:32" (4/5) ... 14.77/7.02 [2019-03-28 22:40:32,585 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@199b0b35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:40:32, skipping insertion in model container 14.77/7.02 [2019-03-28 22:40:32,585 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.77/7.02 [2019-03-28 22:40:32,585 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:40:32" (5/5) ... 14.77/7.02 [2019-03-28 22:40:32,587 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 14.77/7.02 [2019-03-28 22:40:32,614 INFO L133 ementStrategyFactory]: Using default assertion order modulation 14.77/7.02 [2019-03-28 22:40:32,614 INFO L374 BuchiCegarLoop]: Interprodecural is true 14.77/7.02 [2019-03-28 22:40:32,614 INFO L375 BuchiCegarLoop]: Hoare is true 14.77/7.02 [2019-03-28 22:40:32,614 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 14.77/7.02 [2019-03-28 22:40:32,614 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 14.77/7.02 [2019-03-28 22:40:32,615 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 14.77/7.02 [2019-03-28 22:40:32,615 INFO L379 BuchiCegarLoop]: Difference is false 14.77/7.02 [2019-03-28 22:40:32,615 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 14.77/7.02 [2019-03-28 22:40:32,615 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 14.77/7.02 [2019-03-28 22:40:32,619 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 14.77/7.02 [2019-03-28 22:40:32,637 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 14.77/7.02 [2019-03-28 22:40:32,637 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 14.77/7.02 [2019-03-28 22:40:32,638 INFO L119 BuchiIsEmpty]: Starting construction of run 14.77/7.02 [2019-03-28 22:40:32,644 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 14.77/7.02 [2019-03-28 22:40:32,645 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 14.77/7.02 [2019-03-28 22:40:32,645 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 14.77/7.02 [2019-03-28 22:40:32,645 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 14.77/7.02 [2019-03-28 22:40:32,645 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 14.77/7.02 [2019-03-28 22:40:32,646 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 14.77/7.02 [2019-03-28 22:40:32,646 INFO L119 BuchiIsEmpty]: Starting construction of run 14.77/7.02 [2019-03-28 22:40:32,646 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 14.77/7.02 [2019-03-28 22:40:32,646 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 14.77/7.02 [2019-03-28 22:40:32,651 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [25] ULTIMATE.startENTRY-->L19-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 4#L19-2true 14.77/7.02 [2019-03-28 22:40:32,652 INFO L796 eck$LassoCheckResult]: Loop: 4#L19-2true [29] L19-2-->L19: Formula: (and (< 0 v_ULTIMATE.start_main_~x~0_7) (< 0 v_ULTIMATE.start_main_~y~0_7)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[] 5#L19true [37] L19-->L19-2: Formula: (and (> 0 |v_ULTIMATE.start_main_#t~nondet2_3|) (= v_ULTIMATE.start_main_~x~0_8 (+ v_ULTIMATE.start_main_~x~0_9 (- 1)))) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_3|} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_~x~0] 4#L19-2true 14.77/7.02 [2019-03-28 22:40:32,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.77/7.02 [2019-03-28 22:40:32,658 INFO L82 PathProgramCache]: Analyzing trace with hash 56, now seen corresponding path program 1 times 14.77/7.02 [2019-03-28 22:40:32,660 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.77/7.02 [2019-03-28 22:40:32,660 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.77/7.02 [2019-03-28 22:40:32,688 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.77/7.02 [2019-03-28 22:40:32,688 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.77/7.02 [2019-03-28 22:40:32,688 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.77/7.02 [2019-03-28 22:40:32,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.77/7.02 [2019-03-28 22:40:32,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.77/7.02 [2019-03-28 22:40:32,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.77/7.02 [2019-03-28 22:40:32,732 INFO L82 PathProgramCache]: Analyzing trace with hash 1897, now seen corresponding path program 1 times 14.77/7.02 [2019-03-28 22:40:32,732 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.77/7.02 [2019-03-28 22:40:32,732 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.77/7.02 [2019-03-28 22:40:32,734 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.77/7.02 [2019-03-28 22:40:32,734 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.77/7.02 [2019-03-28 22:40:32,735 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.77/7.02 [2019-03-28 22:40:32,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.77/7.02 [2019-03-28 22:40:32,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.77/7.02 [2019-03-28 22:40:32,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.77/7.02 [2019-03-28 22:40:32,746 INFO L82 PathProgramCache]: Analyzing trace with hash 54752, now seen corresponding path program 1 times 14.77/7.02 [2019-03-28 22:40:32,746 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.77/7.02 [2019-03-28 22:40:32,746 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.77/7.02 [2019-03-28 22:40:32,748 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.77/7.02 [2019-03-28 22:40:32,748 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.77/7.02 [2019-03-28 22:40:32,748 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.77/7.02 [2019-03-28 22:40:32,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.77/7.02 [2019-03-28 22:40:32,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.77/7.02 [2019-03-28 22:40:32,805 INFO L216 LassoAnalysis]: Preferences: 14.77/7.02 [2019-03-28 22:40:32,806 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.77/7.02 [2019-03-28 22:40:32,806 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.77/7.02 [2019-03-28 22:40:32,806 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.77/7.02 [2019-03-28 22:40:32,806 INFO L127 ssoRankerPreferences]: Use exernal solver: true 14.77/7.02 [2019-03-28 22:40:32,807 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.77/7.02 [2019-03-28 22:40:32,807 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.77/7.02 [2019-03-28 22:40:32,807 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.77/7.02 [2019-03-28 22:40:32,807 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 14.77/7.02 [2019-03-28 22:40:32,807 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.77/7.02 [2019-03-28 22:40:32,808 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.77/7.02 [2019-03-28 22:40:32,827 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.77/7.02 [2019-03-28 22:40:32,837 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.77/7.02 [2019-03-28 22:40:32,841 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.77/7.02 [2019-03-28 22:40:32,856 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.77/7.02 [2019-03-28 22:40:32,860 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.77/7.02 [2019-03-28 22:40:32,940 INFO L300 LassoAnalysis]: Preprocessing complete. 14.77/7.02 [2019-03-28 22:40:32,941 INFO L412 LassoAnalysis]: Checking for nontermination... 14.77/7.02 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 14.77/7.02 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.77/7.02 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.77/7.02 [2019-03-28 22:40:32,947 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.77/7.02 [2019-03-28 22:40:32,947 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.77/7.02 [2019-03-28 22:40:32,980 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.77/7.02 [2019-03-28 22:40:32,980 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: [] 14.77/7.02 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 14.77/7.02 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.77/7.02 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.77/7.02 [2019-03-28 22:40:32,987 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.77/7.02 [2019-03-28 22:40:32,988 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.77/7.02 [2019-03-28 22:40:33,015 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.77/7.02 [2019-03-28 22:40:33,015 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: [] 14.77/7.02 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 14.77/7.02 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.77/7.02 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.77/7.02 [2019-03-28 22:40:33,020 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.77/7.02 [2019-03-28 22:40:33,020 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.77/7.02 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 14.77/7.02 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.77/7.02 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.77/7.02 [2019-03-28 22:40:33,050 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 14.77/7.02 [2019-03-28 22:40:33,050 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.77/7.02 [2019-03-28 22:40:33,082 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 14.77/7.02 [2019-03-28 22:40:33,084 INFO L216 LassoAnalysis]: Preferences: 14.77/7.02 [2019-03-28 22:40:33,084 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.77/7.02 [2019-03-28 22:40:33,084 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.77/7.02 [2019-03-28 22:40:33,084 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.77/7.02 [2019-03-28 22:40:33,084 INFO L127 ssoRankerPreferences]: Use exernal solver: false 14.77/7.02 [2019-03-28 22:40:33,085 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 14.77/7.02 [2019-03-28 22:40:33,085 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.77/7.02 [2019-03-28 22:40:33,085 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.77/7.02 [2019-03-28 22:40:33,085 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 14.77/7.02 [2019-03-28 22:40:33,085 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.77/7.02 [2019-03-28 22:40:33,085 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.77/7.02 [2019-03-28 22:40:33,087 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.77/7.02 [2019-03-28 22:40:33,092 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.77/7.02 [2019-03-28 22:40:33,096 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.77/7.02 [2019-03-28 22:40:33,107 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.77/7.02 [2019-03-28 22:40:33,110 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.77/7.02 [2019-03-28 22:40:33,169 INFO L300 LassoAnalysis]: Preprocessing complete. 14.77/7.02 [2019-03-28 22:40:33,175 INFO L497 LassoAnalysis]: Using template 'affine'. 14.77/7.02 [2019-03-28 22:40:33,177 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.77/7.02 Termination analysis: LINEAR_WITH_GUESSES 14.77/7.02 Number of strict supporting invariants: 0 14.77/7.02 Number of non-strict supporting invariants: 1 14.77/7.02 Consider only non-deceasing supporting invariants: true 14.77/7.02 Simplify termination arguments: true 14.77/7.02 Simplify supporting invariants: trueOverapproximate stem: false 14.77/7.02 [2019-03-28 22:40:33,178 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.77/7.02 [2019-03-28 22:40:33,179 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.77/7.02 [2019-03-28 22:40:33,179 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.77/7.02 [2019-03-28 22:40:33,179 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.77/7.02 [2019-03-28 22:40:33,184 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 14.77/7.02 [2019-03-28 22:40:33,185 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 14.77/7.02 [2019-03-28 22:40:33,194 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 14.77/7.02 [2019-03-28 22:40:33,194 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.77/7.02 Termination analysis: LINEAR_WITH_GUESSES 14.77/7.02 Number of strict supporting invariants: 0 14.77/7.02 Number of non-strict supporting invariants: 1 14.77/7.02 Consider only non-deceasing supporting invariants: true 14.77/7.02 Simplify termination arguments: true 14.77/7.02 Simplify supporting invariants: trueOverapproximate stem: false 14.77/7.02 [2019-03-28 22:40:33,195 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.77/7.02 [2019-03-28 22:40:33,195 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.77/7.02 [2019-03-28 22:40:33,195 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.77/7.02 [2019-03-28 22:40:33,196 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.77/7.02 [2019-03-28 22:40:33,198 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 14.77/7.02 [2019-03-28 22:40:33,198 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 14.77/7.02 [2019-03-28 22:40:33,207 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 14.77/7.02 [2019-03-28 22:40:33,207 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.77/7.02 Termination analysis: LINEAR_WITH_GUESSES 14.77/7.02 Number of strict supporting invariants: 0 14.77/7.02 Number of non-strict supporting invariants: 1 14.77/7.02 Consider only non-deceasing supporting invariants: true 14.77/7.02 Simplify termination arguments: true 14.77/7.02 Simplify supporting invariants: trueOverapproximate stem: false 14.77/7.02 [2019-03-28 22:40:33,208 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.77/7.02 [2019-03-28 22:40:33,208 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 14.77/7.02 [2019-03-28 22:40:33,209 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.77/7.02 [2019-03-28 22:40:33,209 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.77/7.02 [2019-03-28 22:40:33,209 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.77/7.02 [2019-03-28 22:40:33,210 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 14.77/7.02 [2019-03-28 22:40:33,210 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 14.77/7.02 [2019-03-28 22:40:33,216 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 14.77/7.02 [2019-03-28 22:40:33,220 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 14.77/7.02 [2019-03-28 22:40:33,220 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. 14.77/7.02 [2019-03-28 22:40:33,223 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 14.77/7.02 [2019-03-28 22:40:33,223 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 14.77/7.02 [2019-03-28 22:40:33,223 INFO L518 LassoAnalysis]: Proved termination. 14.77/7.02 [2019-03-28 22:40:33,224 INFO L520 LassoAnalysis]: Termination argument consisting of: 14.77/7.02 Ranking function f(ULTIMATE.start_main_~x~0) = 1*ULTIMATE.start_main_~x~0 14.77/7.02 Supporting invariants [] 14.77/7.02 [2019-03-28 22:40:33,225 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 14.77/7.02 [2019-03-28 22:40:33,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.77/7.02 [2019-03-28 22:40:33,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.77/7.02 [2019-03-28 22:40:33,265 INFO L256 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core 14.77/7.02 [2019-03-28 22:40:33,266 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.77/7.02 [2019-03-28 22:40:33,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.77/7.02 [2019-03-28 22:40:33,276 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core 14.77/7.02 [2019-03-28 22:40:33,277 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.77/7.02 [2019-03-28 22:40:33,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 14.77/7.02 [2019-03-28 22:40:33,317 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 14.77/7.02 [2019-03-28 22:40:33,323 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 14.77/7.02 [2019-03-28 22:40:33,324 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 3 states. Second operand 3 states. 14.77/7.02 [2019-03-28 22:40:33,378 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 3 states.. Second operand 3 states. Result 7 states and 12 transitions. Complement of second has 4 states. 14.77/7.02 [2019-03-28 22:40:33,379 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states 14.77/7.02 [2019-03-28 22:40:33,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 14.77/7.02 [2019-03-28 22:40:33,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. 14.77/7.02 [2019-03-28 22:40:33,402 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 1 letters. Loop has 2 letters. 14.77/7.02 [2019-03-28 22:40:33,403 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.77/7.02 [2019-03-28 22:40:33,403 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 3 letters. Loop has 2 letters. 14.77/7.02 [2019-03-28 22:40:33,403 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.77/7.02 [2019-03-28 22:40:33,404 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 1 letters. Loop has 4 letters. 14.77/7.02 [2019-03-28 22:40:33,404 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.77/7.02 [2019-03-28 22:40:33,410 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7 states and 12 transitions. 14.77/7.02 [2019-03-28 22:40:33,411 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 14.77/7.02 [2019-03-28 22:40:33,415 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7 states to 7 states and 12 transitions. 14.77/7.02 [2019-03-28 22:40:33,416 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 14.77/7.02 [2019-03-28 22:40:33,416 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 14.77/7.02 [2019-03-28 22:40:33,417 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 12 transitions. 14.77/7.02 [2019-03-28 22:40:33,417 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 14.77/7.02 [2019-03-28 22:40:33,417 INFO L706 BuchiCegarLoop]: Abstraction has 7 states and 12 transitions. 14.77/7.02 [2019-03-28 22:40:33,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 12 transitions. 14.77/7.02 [2019-03-28 22:40:33,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. 14.77/7.02 [2019-03-28 22:40:33,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. 14.77/7.02 [2019-03-28 22:40:33,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 12 transitions. 14.77/7.02 [2019-03-28 22:40:33,447 INFO L729 BuchiCegarLoop]: Abstraction has 7 states and 12 transitions. 14.77/7.02 [2019-03-28 22:40:33,447 INFO L609 BuchiCegarLoop]: Abstraction has 7 states and 12 transitions. 14.77/7.02 [2019-03-28 22:40:33,447 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 14.77/7.02 [2019-03-28 22:40:33,447 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 12 transitions. 14.77/7.02 [2019-03-28 22:40:33,448 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 14.77/7.02 [2019-03-28 22:40:33,448 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 14.77/7.02 [2019-03-28 22:40:33,448 INFO L119 BuchiIsEmpty]: Starting construction of run 14.77/7.02 [2019-03-28 22:40:33,449 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] 14.77/7.02 [2019-03-28 22:40:33,449 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 14.77/7.02 [2019-03-28 22:40:33,449 INFO L794 eck$LassoCheckResult]: Stem: 43#ULTIMATE.startENTRY [25] ULTIMATE.startENTRY-->L19-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~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_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 44#L19-2 [29] L19-2-->L19: Formula: (and (< 0 v_ULTIMATE.start_main_~x~0_7) (< 0 v_ULTIMATE.start_main_~y~0_7)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[] 49#L19 [31] L19-->L19-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_8 (+ v_ULTIMATE.start_main_~y~0_9 (- 1))) (= 0 |v_ULTIMATE.start_main_#t~nondet2_5|) (= v_ULTIMATE.start_main_~x~0_10 |v_ULTIMATE.start_main_#t~nondet3_3|)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_3|} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_4|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 45#L19-2 14.77/7.02 [2019-03-28 22:40:33,450 INFO L796 eck$LassoCheckResult]: Loop: 45#L19-2 [29] L19-2-->L19: Formula: (and (< 0 v_ULTIMATE.start_main_~x~0_7) (< 0 v_ULTIMATE.start_main_~y~0_7)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[] 46#L19 [37] L19-->L19-2: Formula: (and (> 0 |v_ULTIMATE.start_main_#t~nondet2_3|) (= v_ULTIMATE.start_main_~x~0_8 (+ v_ULTIMATE.start_main_~x~0_9 (- 1)))) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_3|} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_~x~0] 45#L19-2 14.77/7.02 [2019-03-28 22:40:33,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.77/7.02 [2019-03-28 22:40:33,450 INFO L82 PathProgramCache]: Analyzing trace with hash 54746, now seen corresponding path program 1 times 14.77/7.02 [2019-03-28 22:40:33,450 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.77/7.02 [2019-03-28 22:40:33,450 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.77/7.02 [2019-03-28 22:40:33,452 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.77/7.02 [2019-03-28 22:40:33,452 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.77/7.02 [2019-03-28 22:40:33,452 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.77/7.02 [2019-03-28 22:40:33,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.77/7.02 [2019-03-28 22:40:33,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.77/7.02 [2019-03-28 22:40:33,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.77/7.02 [2019-03-28 22:40:33,462 INFO L82 PathProgramCache]: Analyzing trace with hash 1897, now seen corresponding path program 2 times 14.77/7.02 [2019-03-28 22:40:33,462 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.77/7.02 [2019-03-28 22:40:33,462 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.77/7.02 [2019-03-28 22:40:33,464 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.77/7.02 [2019-03-28 22:40:33,464 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.77/7.02 [2019-03-28 22:40:33,464 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.77/7.02 [2019-03-28 22:40:33,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.77/7.02 [2019-03-28 22:40:33,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.77/7.02 [2019-03-28 22:40:33,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.77/7.02 [2019-03-28 22:40:33,470 INFO L82 PathProgramCache]: Analyzing trace with hash 52611842, now seen corresponding path program 1 times 14.77/7.02 [2019-03-28 22:40:33,470 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.77/7.02 [2019-03-28 22:40:33,470 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.77/7.02 [2019-03-28 22:40:33,472 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.77/7.02 [2019-03-28 22:40:33,472 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 14.77/7.02 [2019-03-28 22:40:33,472 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.77/7.02 [2019-03-28 22:40:33,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.77/7.02 [2019-03-28 22:40:33,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.77/7.02 [2019-03-28 22:40:33,504 INFO L216 LassoAnalysis]: Preferences: 14.77/7.02 [2019-03-28 22:40:33,504 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.77/7.02 [2019-03-28 22:40:33,504 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.77/7.02 [2019-03-28 22:40:33,505 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.77/7.02 [2019-03-28 22:40:33,505 INFO L127 ssoRankerPreferences]: Use exernal solver: true 14.77/7.02 [2019-03-28 22:40:33,505 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.77/7.02 [2019-03-28 22:40:33,505 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.77/7.02 [2019-03-28 22:40:33,505 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.77/7.02 [2019-03-28 22:40:33,505 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 14.77/7.02 [2019-03-28 22:40:33,505 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.77/7.02 [2019-03-28 22:40:33,505 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.77/7.02 [2019-03-28 22:40:33,507 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.77/7.02 [2019-03-28 22:40:33,511 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.77/7.02 [2019-03-28 22:40:33,518 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.77/7.02 [2019-03-28 22:40:33,522 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.77/7.02 [2019-03-28 22:40:33,525 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.77/7.02 [2019-03-28 22:40:33,575 INFO L300 LassoAnalysis]: Preprocessing complete. 14.77/7.02 [2019-03-28 22:40:33,575 INFO L412 LassoAnalysis]: Checking for nontermination... 14.77/7.02 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 14.77/7.02 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.77/7.02 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.77/7.02 [2019-03-28 22:40:33,580 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.77/7.02 [2019-03-28 22:40:33,580 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.77/7.02 [2019-03-28 22:40:33,608 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.77/7.02 [2019-03-28 22:40:33,608 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: [] 14.77/7.02 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 14.77/7.02 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.77/7.02 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.77/7.02 [2019-03-28 22:40:33,613 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.77/7.02 [2019-03-28 22:40:33,613 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.77/7.02 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 14.77/7.02 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.77/7.02 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.77/7.02 [2019-03-28 22:40:33,645 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 14.77/7.02 [2019-03-28 22:40:33,645 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.77/7.02 [2019-03-28 22:40:33,676 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 14.77/7.02 [2019-03-28 22:40:33,678 INFO L216 LassoAnalysis]: Preferences: 14.77/7.02 [2019-03-28 22:40:33,679 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.77/7.02 [2019-03-28 22:40:33,679 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.77/7.02 [2019-03-28 22:40:33,679 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.77/7.02 [2019-03-28 22:40:33,679 INFO L127 ssoRankerPreferences]: Use exernal solver: false 14.77/7.02 [2019-03-28 22:40:33,679 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 14.77/7.02 [2019-03-28 22:40:33,679 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.77/7.02 [2019-03-28 22:40:33,680 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.77/7.02 [2019-03-28 22:40:33,680 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 14.77/7.02 [2019-03-28 22:40:33,680 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.77/7.02 [2019-03-28 22:40:33,680 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.77/7.02 [2019-03-28 22:40:33,682 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.77/7.02 [2019-03-28 22:40:33,685 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.77/7.02 [2019-03-28 22:40:33,694 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.77/7.02 [2019-03-28 22:40:33,698 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.77/7.02 [2019-03-28 22:40:33,701 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.77/7.02 [2019-03-28 22:40:33,756 INFO L300 LassoAnalysis]: Preprocessing complete. 14.77/7.02 [2019-03-28 22:40:33,756 INFO L497 LassoAnalysis]: Using template 'affine'. 14.77/7.02 [2019-03-28 22:40:33,757 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.77/7.02 Termination analysis: LINEAR_WITH_GUESSES 14.77/7.02 Number of strict supporting invariants: 0 14.77/7.02 Number of non-strict supporting invariants: 1 14.77/7.02 Consider only non-deceasing supporting invariants: true 14.77/7.02 Simplify termination arguments: true 14.77/7.02 Simplify supporting invariants: trueOverapproximate stem: false 14.77/7.02 [2019-03-28 22:40:33,758 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.77/7.02 [2019-03-28 22:40:33,758 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.77/7.02 [2019-03-28 22:40:33,758 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.77/7.02 [2019-03-28 22:40:33,758 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.77/7.02 [2019-03-28 22:40:33,760 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 14.77/7.02 [2019-03-28 22:40:33,761 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 14.77/7.02 [2019-03-28 22:40:33,765 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 14.77/7.02 [2019-03-28 22:40:33,766 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.77/7.02 Termination analysis: LINEAR_WITH_GUESSES 14.77/7.02 Number of strict supporting invariants: 0 14.77/7.02 Number of non-strict supporting invariants: 1 14.77/7.02 Consider only non-deceasing supporting invariants: true 14.77/7.02 Simplify termination arguments: true 14.77/7.02 Simplify supporting invariants: trueOverapproximate stem: false 14.77/7.02 [2019-03-28 22:40:33,766 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.77/7.02 [2019-03-28 22:40:33,766 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 14.77/7.02 [2019-03-28 22:40:33,767 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.77/7.02 [2019-03-28 22:40:33,767 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.77/7.02 [2019-03-28 22:40:33,767 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.77/7.02 [2019-03-28 22:40:33,768 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 14.77/7.02 [2019-03-28 22:40:33,768 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 14.77/7.02 [2019-03-28 22:40:33,772 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 14.77/7.02 [2019-03-28 22:40:33,776 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 14.77/7.02 [2019-03-28 22:40:33,776 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. 14.77/7.02 [2019-03-28 22:40:33,777 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 14.77/7.02 [2019-03-28 22:40:33,777 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 14.77/7.02 [2019-03-28 22:40:33,777 INFO L518 LassoAnalysis]: Proved termination. 14.77/7.02 [2019-03-28 22:40:33,777 INFO L520 LassoAnalysis]: Termination argument consisting of: 14.77/7.02 Ranking function f(ULTIMATE.start_main_~x~0) = 1*ULTIMATE.start_main_~x~0 14.77/7.02 Supporting invariants [] 14.77/7.02 [2019-03-28 22:40:33,777 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 14.77/7.02 [2019-03-28 22:40:33,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.77/7.02 [2019-03-28 22:40:33,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.77/7.02 [2019-03-28 22:40:33,801 INFO L256 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 2 conjunts are in the unsatisfiable core 14.77/7.02 [2019-03-28 22:40:33,802 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.77/7.02 [2019-03-28 22:40:33,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.77/7.02 [2019-03-28 22:40:33,807 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core 14.77/7.02 [2019-03-28 22:40:33,807 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.77/7.02 [2019-03-28 22:40:33,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 14.77/7.02 [2019-03-28 22:40:33,830 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 14.77/7.02 [2019-03-28 22:40:33,830 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 14.77/7.02 [2019-03-28 22:40:33,831 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 7 states and 12 transitions. cyclomatic complexity: 7 Second operand 3 states. 14.77/7.02 [2019-03-28 22:40:33,869 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 7 states and 12 transitions. cyclomatic complexity: 7. Second operand 3 states. Result 9 states and 15 transitions. Complement of second has 4 states. 14.77/7.02 [2019-03-28 22:40:33,870 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states 14.77/7.02 [2019-03-28 22:40:33,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 14.77/7.02 [2019-03-28 22:40:33,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. 14.77/7.02 [2019-03-28 22:40:33,871 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 3 letters. Loop has 2 letters. 14.77/7.02 [2019-03-28 22:40:33,872 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.77/7.02 [2019-03-28 22:40:33,872 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 5 letters. Loop has 2 letters. 14.77/7.02 [2019-03-28 22:40:33,872 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.77/7.02 [2019-03-28 22:40:33,872 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 3 letters. Loop has 4 letters. 14.77/7.02 [2019-03-28 22:40:33,873 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.77/7.02 [2019-03-28 22:40:33,874 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 15 transitions. 14.77/7.02 [2019-03-28 22:40:33,875 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 14.77/7.02 [2019-03-28 22:40:33,876 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 9 states and 15 transitions. 14.77/7.02 [2019-03-28 22:40:33,876 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 14.77/7.02 [2019-03-28 22:40:33,876 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 14.77/7.02 [2019-03-28 22:40:33,876 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 15 transitions. 14.77/7.02 [2019-03-28 22:40:33,876 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 14.77/7.02 [2019-03-28 22:40:33,877 INFO L706 BuchiCegarLoop]: Abstraction has 9 states and 15 transitions. 14.77/7.02 [2019-03-28 22:40:33,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 15 transitions. 14.77/7.02 [2019-03-28 22:40:33,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 5. 14.77/7.02 [2019-03-28 22:40:33,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. 14.77/7.02 [2019-03-28 22:40:33,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 8 transitions. 14.77/7.02 [2019-03-28 22:40:33,878 INFO L729 BuchiCegarLoop]: Abstraction has 5 states and 8 transitions. 14.77/7.02 [2019-03-28 22:40:33,878 INFO L609 BuchiCegarLoop]: Abstraction has 5 states and 8 transitions. 14.77/7.02 [2019-03-28 22:40:33,878 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 14.77/7.02 [2019-03-28 22:40:33,878 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states and 8 transitions. 14.77/7.02 [2019-03-28 22:40:33,879 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 14.77/7.02 [2019-03-28 22:40:33,879 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 14.77/7.02 [2019-03-28 22:40:33,879 INFO L119 BuchiIsEmpty]: Starting construction of run 14.77/7.02 [2019-03-28 22:40:33,879 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 14.77/7.02 [2019-03-28 22:40:33,879 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 14.77/7.02 [2019-03-28 22:40:33,880 INFO L794 eck$LassoCheckResult]: Stem: 95#ULTIMATE.startENTRY [25] ULTIMATE.startENTRY-->L19-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 96#L19-2 14.77/7.02 [2019-03-28 22:40:33,880 INFO L796 eck$LassoCheckResult]: Loop: 96#L19-2 [29] L19-2-->L19: Formula: (and (< 0 v_ULTIMATE.start_main_~x~0_7) (< 0 v_ULTIMATE.start_main_~y~0_7)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[] 98#L19 [31] L19-->L19-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_8 (+ v_ULTIMATE.start_main_~y~0_9 (- 1))) (= 0 |v_ULTIMATE.start_main_#t~nondet2_5|) (= v_ULTIMATE.start_main_~x~0_10 |v_ULTIMATE.start_main_#t~nondet3_3|)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_3|} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_4|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 96#L19-2 14.77/7.02 [2019-03-28 22:40:33,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.77/7.02 [2019-03-28 22:40:33,881 INFO L82 PathProgramCache]: Analyzing trace with hash 56, now seen corresponding path program 2 times 14.77/7.02 [2019-03-28 22:40:33,881 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.77/7.02 [2019-03-28 22:40:33,881 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.77/7.02 [2019-03-28 22:40:33,882 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.77/7.02 [2019-03-28 22:40:33,882 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.77/7.02 [2019-03-28 22:40:33,883 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.77/7.02 [2019-03-28 22:40:33,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.77/7.02 [2019-03-28 22:40:33,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.77/7.02 [2019-03-28 22:40:33,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.77/7.02 [2019-03-28 22:40:33,887 INFO L82 PathProgramCache]: Analyzing trace with hash 1891, now seen corresponding path program 1 times 14.77/7.02 [2019-03-28 22:40:33,887 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.77/7.02 [2019-03-28 22:40:33,887 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.77/7.02 [2019-03-28 22:40:33,889 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.77/7.02 [2019-03-28 22:40:33,889 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 14.77/7.02 [2019-03-28 22:40:33,889 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.77/7.02 [2019-03-28 22:40:33,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.77/7.02 [2019-03-28 22:40:33,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.77/7.02 [2019-03-28 22:40:33,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.77/7.02 [2019-03-28 22:40:33,895 INFO L82 PathProgramCache]: Analyzing trace with hash 54746, now seen corresponding path program 2 times 14.77/7.02 [2019-03-28 22:40:33,895 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.77/7.02 [2019-03-28 22:40:33,895 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.77/7.02 [2019-03-28 22:40:33,896 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.77/7.02 [2019-03-28 22:40:33,896 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.77/7.02 [2019-03-28 22:40:33,897 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.77/7.02 [2019-03-28 22:40:33,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.77/7.02 [2019-03-28 22:40:33,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.77/7.02 [2019-03-28 22:40:33,925 INFO L216 LassoAnalysis]: Preferences: 14.77/7.02 [2019-03-28 22:40:33,926 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.77/7.02 [2019-03-28 22:40:33,926 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.77/7.02 [2019-03-28 22:40:33,926 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.77/7.02 [2019-03-28 22:40:33,926 INFO L127 ssoRankerPreferences]: Use exernal solver: true 14.77/7.02 [2019-03-28 22:40:33,926 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.77/7.02 [2019-03-28 22:40:33,926 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.77/7.02 [2019-03-28 22:40:33,927 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.77/7.02 [2019-03-28 22:40:33,927 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop 14.77/7.02 [2019-03-28 22:40:33,927 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.77/7.02 [2019-03-28 22:40:33,927 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.77/7.02 [2019-03-28 22:40:33,929 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.77/7.02 [2019-03-28 22:40:33,932 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.77/7.02 [2019-03-28 22:40:33,935 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.77/7.02 [2019-03-28 22:40:33,942 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.77/7.02 [2019-03-28 22:40:33,949 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.77/7.02 [2019-03-28 22:40:34,011 INFO L300 LassoAnalysis]: Preprocessing complete. 14.77/7.02 [2019-03-28 22:40:34,011 INFO L412 LassoAnalysis]: Checking for nontermination... 14.77/7.02 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 14.77/7.02 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.77/7.02 Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.77/7.02 [2019-03-28 22:40:34,018 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.77/7.02 [2019-03-28 22:40:34,018 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.77/7.02 [2019-03-28 22:40:34,023 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.77/7.02 [2019-03-28 22:40:34,023 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2=0} Honda state: {ULTIMATE.start_main_#t~nondet2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 14.77/7.02 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 14.77/7.02 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.77/7.02 Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.77/7.02 [2019-03-28 22:40:34,053 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.77/7.02 [2019-03-28 22:40:34,053 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.77/7.02 [2019-03-28 22:40:34,082 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.77/7.02 [2019-03-28 22:40:34,082 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: [] 14.77/7.02 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 14.77/7.02 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.77/7.02 Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.77/7.02 [2019-03-28 22:40:34,087 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.77/7.02 [2019-03-28 22:40:34,087 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.77/7.02 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 14.77/7.02 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.77/7.02 Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.77/7.02 [2019-03-28 22:40:34,121 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 14.77/7.02 [2019-03-28 22:40:34,121 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.77/7.02 [2019-03-28 22:40:34,153 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 14.77/7.02 [2019-03-28 22:40:34,155 INFO L216 LassoAnalysis]: Preferences: 14.77/7.02 [2019-03-28 22:40:34,155 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.77/7.02 [2019-03-28 22:40:34,155 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.77/7.02 [2019-03-28 22:40:34,155 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.77/7.02 [2019-03-28 22:40:34,155 INFO L127 ssoRankerPreferences]: Use exernal solver: false 14.77/7.02 [2019-03-28 22:40:34,155 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 14.77/7.02 [2019-03-28 22:40:34,155 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.77/7.02 [2019-03-28 22:40:34,156 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.77/7.02 [2019-03-28 22:40:34,156 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop 14.77/7.02 [2019-03-28 22:40:34,156 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.77/7.02 [2019-03-28 22:40:34,156 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.77/7.02 [2019-03-28 22:40:34,158 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.77/7.02 [2019-03-28 22:40:34,163 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.77/7.02 [2019-03-28 22:40:34,172 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.77/7.02 [2019-03-28 22:40:34,180 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.77/7.02 [2019-03-28 22:40:34,186 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.77/7.02 [2019-03-28 22:40:34,259 INFO L300 LassoAnalysis]: Preprocessing complete. 14.77/7.02 [2019-03-28 22:40:34,259 INFO L497 LassoAnalysis]: Using template 'affine'. 14.77/7.02 [2019-03-28 22:40:34,260 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.77/7.02 Termination analysis: LINEAR_WITH_GUESSES 14.77/7.02 Number of strict supporting invariants: 0 14.77/7.02 Number of non-strict supporting invariants: 1 14.77/7.02 Consider only non-deceasing supporting invariants: true 14.77/7.02 Simplify termination arguments: true 14.77/7.02 Simplify supporting invariants: trueOverapproximate stem: false 14.77/7.02 [2019-03-28 22:40:34,261 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.77/7.02 [2019-03-28 22:40:34,261 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 14.77/7.02 [2019-03-28 22:40:34,261 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.77/7.02 [2019-03-28 22:40:34,261 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.77/7.02 [2019-03-28 22:40:34,261 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.77/7.02 [2019-03-28 22:40:34,262 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 14.77/7.02 [2019-03-28 22:40:34,262 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 14.77/7.02 [2019-03-28 22:40:34,263 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 14.77/7.02 [2019-03-28 22:40:34,264 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.77/7.02 Termination analysis: LINEAR_WITH_GUESSES 14.77/7.02 Number of strict supporting invariants: 0 14.77/7.02 Number of non-strict supporting invariants: 1 14.77/7.02 Consider only non-deceasing supporting invariants: true 14.77/7.02 Simplify termination arguments: true 14.77/7.02 Simplify supporting invariants: trueOverapproximate stem: false 14.77/7.02 [2019-03-28 22:40:34,264 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.77/7.02 [2019-03-28 22:40:34,264 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.77/7.02 [2019-03-28 22:40:34,264 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.77/7.02 [2019-03-28 22:40:34,265 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.77/7.02 [2019-03-28 22:40:34,266 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 14.77/7.02 [2019-03-28 22:40:34,266 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 14.77/7.02 [2019-03-28 22:40:34,271 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 14.77/7.02 [2019-03-28 22:40:34,272 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.77/7.02 Termination analysis: LINEAR_WITH_GUESSES 14.77/7.02 Number of strict supporting invariants: 0 14.77/7.02 Number of non-strict supporting invariants: 1 14.77/7.02 Consider only non-deceasing supporting invariants: true 14.77/7.02 Simplify termination arguments: true 14.77/7.02 Simplify supporting invariants: trueOverapproximate stem: false 14.77/7.02 [2019-03-28 22:40:34,272 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.77/7.02 [2019-03-28 22:40:34,273 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 14.77/7.02 [2019-03-28 22:40:34,273 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.77/7.02 [2019-03-28 22:40:34,273 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.77/7.02 [2019-03-28 22:40:34,273 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.77/7.02 [2019-03-28 22:40:34,274 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 14.77/7.02 [2019-03-28 22:40:34,274 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 14.77/7.02 [2019-03-28 22:40:34,277 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 14.77/7.02 [2019-03-28 22:40:34,280 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 14.77/7.02 [2019-03-28 22:40:34,280 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. 14.77/7.02 [2019-03-28 22:40:34,280 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 14.77/7.02 [2019-03-28 22:40:34,281 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 14.77/7.02 [2019-03-28 22:40:34,281 INFO L518 LassoAnalysis]: Proved termination. 14.77/7.02 [2019-03-28 22:40:34,281 INFO L520 LassoAnalysis]: Termination argument consisting of: 14.77/7.02 Ranking function f(ULTIMATE.start_main_~y~0) = 1*ULTIMATE.start_main_~y~0 14.77/7.02 Supporting invariants [] 14.77/7.02 [2019-03-28 22:40:34,281 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 14.77/7.02 [2019-03-28 22:40:34,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.77/7.02 [2019-03-28 22:40:34,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.77/7.02 [2019-03-28 22:40:34,308 INFO L256 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core 14.77/7.02 [2019-03-28 22:40:34,308 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.77/7.02 [2019-03-28 22:40:34,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.77/7.02 [2019-03-28 22:40:34,313 INFO L256 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core 14.77/7.02 [2019-03-28 22:40:34,313 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.77/7.02 [2019-03-28 22:40:34,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 14.77/7.02 [2019-03-28 22:40:34,336 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 14.77/7.02 [2019-03-28 22:40:34,337 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 14.77/7.02 [2019-03-28 22:40:34,337 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 5 states and 8 transitions. cyclomatic complexity: 4 Second operand 3 states. 14.77/7.02 [2019-03-28 22:40:34,370 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 5 states and 8 transitions. cyclomatic complexity: 4. Second operand 3 states. Result 11 states and 20 transitions. Complement of second has 4 states. 14.77/7.02 [2019-03-28 22:40:34,371 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states 14.77/7.02 [2019-03-28 22:40:34,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 14.77/7.02 [2019-03-28 22:40:34,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 11 transitions. 14.77/7.02 [2019-03-28 22:40:34,371 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 1 letters. Loop has 2 letters. 14.77/7.02 [2019-03-28 22:40:34,372 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.77/7.02 [2019-03-28 22:40:34,372 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 3 letters. Loop has 2 letters. 14.77/7.02 [2019-03-28 22:40:34,372 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.77/7.02 [2019-03-28 22:40:34,372 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 1 letters. Loop has 4 letters. 14.77/7.02 [2019-03-28 22:40:34,373 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.77/7.02 [2019-03-28 22:40:34,374 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 20 transitions. 14.77/7.02 [2019-03-28 22:40:34,375 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 14.77/7.02 [2019-03-28 22:40:34,375 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 0 states and 0 transitions. 14.77/7.02 [2019-03-28 22:40:34,376 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 14.77/7.02 [2019-03-28 22:40:34,376 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 14.77/7.02 [2019-03-28 22:40:34,376 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 14.77/7.02 [2019-03-28 22:40:34,376 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 14.77/7.02 [2019-03-28 22:40:34,376 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 14.77/7.02 [2019-03-28 22:40:34,376 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 14.77/7.02 [2019-03-28 22:40:34,376 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 14.77/7.02 [2019-03-28 22:40:34,376 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ 14.77/7.02 [2019-03-28 22:40:34,377 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 14.77/7.02 [2019-03-28 22:40:34,377 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 14.77/7.02 [2019-03-28 22:40:34,377 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 14.77/7.02 [2019-03-28 22:40:34,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:40:34 BasicIcfg 14.77/7.02 [2019-03-28 22:40:34,383 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 14.77/7.02 [2019-03-28 22:40:34,384 INFO L168 Benchmark]: Toolchain (without parser) took 2562.95 ms. Allocated memory was 649.6 MB in the beginning and 661.7 MB in the end (delta: 12.1 MB). Free memory was 558.4 MB in the beginning and 384.1 MB in the end (delta: 174.4 MB). Peak memory consumption was 186.4 MB. Max. memory is 50.3 GB. 14.77/7.02 [2019-03-28 22:40:34,386 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. 14.77/7.02 [2019-03-28 22:40:34,386 INFO L168 Benchmark]: CACSL2BoogieTranslator took 274.78 ms. Allocated memory was 649.6 MB in the beginning and 661.7 MB in the end (delta: 12.1 MB). Free memory was 558.4 MB in the beginning and 628.2 MB in the end (delta: -69.8 MB). Peak memory consumption was 29.9 MB. Max. memory is 50.3 GB. 14.77/7.02 [2019-03-28 22:40:34,387 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.00 ms. Allocated memory is still 661.7 MB. Free memory was 628.2 MB in the beginning and 626.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 14.77/7.02 [2019-03-28 22:40:34,387 INFO L168 Benchmark]: Boogie Preprocessor took 19.45 ms. Allocated memory is still 661.7 MB. Free memory was 626.9 MB in the beginning and 625.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 14.77/7.02 [2019-03-28 22:40:34,388 INFO L168 Benchmark]: RCFGBuilder took 197.14 ms. Allocated memory is still 661.7 MB. Free memory was 625.5 MB in the beginning and 610.7 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 50.3 GB. 14.77/7.02 [2019-03-28 22:40:34,388 INFO L168 Benchmark]: BlockEncodingV2 took 72.50 ms. Allocated memory is still 661.7 MB. Free memory was 610.7 MB in the beginning and 606.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 50.3 GB. 14.77/7.02 [2019-03-28 22:40:34,389 INFO L168 Benchmark]: TraceAbstraction took 153.23 ms. Allocated memory is still 661.7 MB. Free memory was 605.3 MB in the beginning and 597.0 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 50.3 GB. 14.77/7.02 [2019-03-28 22:40:34,389 INFO L168 Benchmark]: BuchiAutomizer took 1805.74 ms. Allocated memory is still 661.7 MB. Free memory was 597.0 MB in the beginning and 384.1 MB in the end (delta: 213.0 MB). Peak memory consumption was 213.0 MB. Max. memory is 50.3 GB. 14.77/7.02 [2019-03-28 22:40:34,393 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 14.77/7.02 --- Results --- 14.77/7.02 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 14.77/7.02 - StatisticsResult: Initial Icfg 14.77/7.02 7 locations, 9 edges 14.77/7.02 - StatisticsResult: Encoded RCFG 14.77/7.02 3 locations, 5 edges 14.77/7.02 * Results from de.uni_freiburg.informatik.ultimate.core: 14.77/7.02 - StatisticsResult: Toolchain Benchmarks 14.77/7.02 Benchmark results are: 14.77/7.02 * 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. 14.77/7.02 * CACSL2BoogieTranslator took 274.78 ms. Allocated memory was 649.6 MB in the beginning and 661.7 MB in the end (delta: 12.1 MB). Free memory was 558.4 MB in the beginning and 628.2 MB in the end (delta: -69.8 MB). Peak memory consumption was 29.9 MB. Max. memory is 50.3 GB. 14.77/7.02 * Boogie Procedure Inliner took 35.00 ms. Allocated memory is still 661.7 MB. Free memory was 628.2 MB in the beginning and 626.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 14.77/7.02 * Boogie Preprocessor took 19.45 ms. Allocated memory is still 661.7 MB. Free memory was 626.9 MB in the beginning and 625.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 14.77/7.02 * RCFGBuilder took 197.14 ms. Allocated memory is still 661.7 MB. Free memory was 625.5 MB in the beginning and 610.7 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 50.3 GB. 14.77/7.02 * BlockEncodingV2 took 72.50 ms. Allocated memory is still 661.7 MB. Free memory was 610.7 MB in the beginning and 606.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 50.3 GB. 14.77/7.02 * TraceAbstraction took 153.23 ms. Allocated memory is still 661.7 MB. Free memory was 605.3 MB in the beginning and 597.0 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 50.3 GB. 14.77/7.02 * BuchiAutomizer took 1805.74 ms. Allocated memory is still 661.7 MB. Free memory was 597.0 MB in the beginning and 384.1 MB in the end (delta: 213.0 MB). Peak memory consumption was 213.0 MB. Max. memory is 50.3 GB. 14.77/7.02 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 14.77/7.02 - AllSpecificationsHoldResult: All specifications hold 14.77/7.02 We were not able to verify any specifiation because the program does not contain any specification. 14.77/7.02 - InvariantResult [Line: 18]: Loop Invariant 14.77/7.02 Derived loop invariant: 1 14.77/7.02 - StatisticsResult: Ultimate Automizer benchmark data 14.77/7.02 CFG has 1 procedures, 3 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=3occurred 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 14.77/7.02 - StatisticsResult: Constructed decomposition of program 14.77/7.02 Your program was decomposed into 3 terminating modules (0 trivial, 0 deterministic, 3 nondeterministic). One nondeterministic module has affine ranking function x and consists of 3 locations. One nondeterministic module has affine ranking function x and consists of 3 locations. One nondeterministic module has affine ranking function y and consists of 3 locations. 14.77/7.02 - StatisticsResult: Timing statistics 14.77/7.02 BüchiAutomizer plugin needed 1.7s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 7 states and ocurred in iteration 1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 11 SDtfs, 22 SDslu, 2 SDs, 0 SdLazy, 37 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT3 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital17 mio100 ax171 hnf100 lsp34 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 17ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 5 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s 14.77/7.02 - TerminationAnalysisResult: Termination proven 14.77/7.02 Buchi Automizer proved that your program is terminating 14.77/7.02 RESULT: Ultimate proved your program to be correct! 14.77/7.02 !SESSION 2019-03-28 22:40:28.573 ----------------------------------------------- 14.77/7.02 eclipse.buildId=unknown 14.77/7.02 java.version=1.8.0_181 14.77/7.02 java.vendor=Oracle Corporation 14.77/7.02 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 14.77/7.02 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox2/benchmark/theBenchmark.c 14.77/7.02 Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox2/tmp -i /export/starexec/sandbox2/benchmark/theBenchmark.c 14.77/7.02 14.77/7.02 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 22:40:34.627 14.77/7.02 !MESSAGE The workspace will exit with unsaved changes in this session. 14.77/7.02 Received shutdown request... 14.77/7.02 Ultimate: 14.77/7.02 GTK+ Version Check 14.77/7.02 EOF