13.25/6.58 NO 13.25/6.58 13.25/6.58 This is Ultimate 0.1.24-8dc7c08-m 13.25/6.58 [2019-03-28 22:31:45,345 INFO L170 SettingsManager]: Resetting all preferences to default values... 13.25/6.58 [2019-03-28 22:31:45,347 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 13.25/6.58 [2019-03-28 22:31:45,359 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 13.25/6.58 [2019-03-28 22:31:45,359 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 13.25/6.58 [2019-03-28 22:31:45,360 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 13.25/6.58 [2019-03-28 22:31:45,361 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 13.25/6.58 [2019-03-28 22:31:45,362 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 13.25/6.58 [2019-03-28 22:31:45,364 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 13.25/6.58 [2019-03-28 22:31:45,365 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 13.25/6.58 [2019-03-28 22:31:45,365 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 13.25/6.58 [2019-03-28 22:31:45,366 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 13.25/6.58 [2019-03-28 22:31:45,366 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 13.25/6.58 [2019-03-28 22:31:45,367 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 13.25/6.58 [2019-03-28 22:31:45,368 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 13.25/6.58 [2019-03-28 22:31:45,369 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 13.25/6.58 [2019-03-28 22:31:45,370 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 13.25/6.58 [2019-03-28 22:31:45,371 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 13.25/6.58 [2019-03-28 22:31:45,373 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 13.25/6.58 [2019-03-28 22:31:45,374 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 13.25/6.58 [2019-03-28 22:31:45,375 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 13.25/6.58 [2019-03-28 22:31:45,376 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 13.25/6.58 [2019-03-28 22:31:45,378 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 13.25/6.58 [2019-03-28 22:31:45,379 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 13.25/6.58 [2019-03-28 22:31:45,379 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 13.25/6.58 [2019-03-28 22:31:45,380 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 13.25/6.58 [2019-03-28 22:31:45,380 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 13.25/6.58 [2019-03-28 22:31:45,381 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 13.25/6.58 [2019-03-28 22:31:45,381 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 13.25/6.58 [2019-03-28 22:31:45,382 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 13.25/6.58 [2019-03-28 22:31:45,382 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 13.25/6.58 [2019-03-28 22:31:45,383 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 13.25/6.58 [2019-03-28 22:31:45,384 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 13.25/6.58 [2019-03-28 22:31:45,384 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 13.25/6.58 [2019-03-28 22:31:45,385 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 13.25/6.58 [2019-03-28 22:31:45,385 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 13.25/6.58 [2019-03-28 22:31:45,385 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 13.25/6.58 [2019-03-28 22:31:45,386 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 13.25/6.58 [2019-03-28 22:31:45,386 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 13.25/6.58 [2019-03-28 22:31:45,387 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 13.25/6.58 [2019-03-28 22:31:45,400 INFO L110 SettingsManager]: Loading preferences was successful 13.25/6.58 [2019-03-28 22:31:45,401 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 13.25/6.58 [2019-03-28 22:31:45,401 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 13.25/6.58 [2019-03-28 22:31:45,402 INFO L133 SettingsManager]: * Rewrite not-equals=true 13.25/6.58 [2019-03-28 22:31:45,402 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 13.25/6.58 [2019-03-28 22:31:45,402 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 13.25/6.58 [2019-03-28 22:31:45,402 INFO L133 SettingsManager]: * Use SBE=true 13.25/6.58 [2019-03-28 22:31:45,402 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 13.25/6.58 [2019-03-28 22:31:45,403 INFO L133 SettingsManager]: * Use old map elimination=false 13.25/6.58 [2019-03-28 22:31:45,403 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 13.25/6.58 [2019-03-28 22:31:45,403 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 13.25/6.58 [2019-03-28 22:31:45,403 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 13.25/6.58 [2019-03-28 22:31:45,403 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 13.25/6.58 [2019-03-28 22:31:45,403 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 13.25/6.58 [2019-03-28 22:31:45,403 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.25/6.58 [2019-03-28 22:31:45,404 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 13.25/6.58 [2019-03-28 22:31:45,404 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 13.25/6.58 [2019-03-28 22:31:45,404 INFO L133 SettingsManager]: * Check division by zero=IGNORE 13.25/6.58 [2019-03-28 22:31:45,404 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 13.25/6.58 [2019-03-28 22:31:45,404 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 13.25/6.58 [2019-03-28 22:31:45,404 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 13.25/6.58 [2019-03-28 22:31:45,405 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 13.25/6.58 [2019-03-28 22:31:45,405 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 13.25/6.58 [2019-03-28 22:31:45,405 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 13.25/6.58 [2019-03-28 22:31:45,405 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 13.25/6.58 [2019-03-28 22:31:45,405 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 13.25/6.58 [2019-03-28 22:31:45,406 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 13.25/6.58 [2019-03-28 22:31:45,406 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 13.25/6.58 [2019-03-28 22:31:45,406 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 13.25/6.58 [2019-03-28 22:31:45,430 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 13.25/6.58 [2019-03-28 22:31:45,443 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 13.25/6.58 [2019-03-28 22:31:45,446 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 13.25/6.58 [2019-03-28 22:31:45,448 INFO L271 PluginConnector]: Initializing CDTParser... 13.25/6.58 [2019-03-28 22:31:45,448 INFO L276 PluginConnector]: CDTParser initialized 13.25/6.58 [2019-03-28 22:31:45,449 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 13.25/6.58 [2019-03-28 22:31:45,517 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/df5605157e6543a5bb3c1941ca215c97/FLAGda2c83b66 13.25/6.58 [2019-03-28 22:31:45,843 INFO L307 CDTParser]: Found 1 translation units. 13.25/6.58 [2019-03-28 22:31:45,844 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 13.25/6.58 [2019-03-28 22:31:45,850 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/df5605157e6543a5bb3c1941ca215c97/FLAGda2c83b66 13.25/6.58 [2019-03-28 22:31:46,239 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/df5605157e6543a5bb3c1941ca215c97 13.25/6.58 [2019-03-28 22:31:46,250 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 13.25/6.58 [2019-03-28 22:31:46,252 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 13.25/6.58 [2019-03-28 22:31:46,253 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 13.25/6.58 [2019-03-28 22:31:46,253 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 13.25/6.58 [2019-03-28 22:31:46,257 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 13.25/6.58 [2019-03-28 22:31:46,258 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:31:46" (1/1) ... 13.25/6.58 [2019-03-28 22:31:46,261 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20d5fca4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:31:46, skipping insertion in model container 13.25/6.58 [2019-03-28 22:31:46,261 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:31:46" (1/1) ... 13.25/6.58 [2019-03-28 22:31:46,269 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 13.25/6.58 [2019-03-28 22:31:46,286 INFO L176 MainTranslator]: Built tables and reachable declarations 13.25/6.58 [2019-03-28 22:31:46,441 INFO L206 PostProcessor]: Analyzing one entry point: main 13.25/6.58 [2019-03-28 22:31:46,446 INFO L191 MainTranslator]: Completed pre-run 13.25/6.58 [2019-03-28 22:31:46,463 INFO L206 PostProcessor]: Analyzing one entry point: main 13.25/6.58 [2019-03-28 22:31:46,477 INFO L195 MainTranslator]: Completed translation 13.25/6.58 [2019-03-28 22:31:46,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:31:46 WrapperNode 13.25/6.58 [2019-03-28 22:31:46,478 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 13.25/6.58 [2019-03-28 22:31:46,479 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 13.25/6.58 [2019-03-28 22:31:46,479 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 13.25/6.58 [2019-03-28 22:31:46,479 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 13.25/6.58 [2019-03-28 22:31:46,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:31:46" (1/1) ... 13.25/6.58 [2019-03-28 22:31:46,550 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:31:46" (1/1) ... 13.25/6.58 [2019-03-28 22:31:46,569 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 13.25/6.58 [2019-03-28 22:31:46,570 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 13.25/6.58 [2019-03-28 22:31:46,570 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 13.25/6.58 [2019-03-28 22:31:46,570 INFO L276 PluginConnector]: Boogie Preprocessor initialized 13.25/6.58 [2019-03-28 22:31:46,579 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:31:46" (1/1) ... 13.25/6.58 [2019-03-28 22:31:46,580 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:31:46" (1/1) ... 13.25/6.58 [2019-03-28 22:31:46,580 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:31:46" (1/1) ... 13.25/6.58 [2019-03-28 22:31:46,580 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:31:46" (1/1) ... 13.25/6.58 [2019-03-28 22:31:46,582 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:31:46" (1/1) ... 13.25/6.58 [2019-03-28 22:31:46,587 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:31:46" (1/1) ... 13.25/6.58 [2019-03-28 22:31:46,588 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:31:46" (1/1) ... 13.25/6.58 [2019-03-28 22:31:46,589 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 13.25/6.58 [2019-03-28 22:31:46,589 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 13.25/6.58 [2019-03-28 22:31:46,589 INFO L271 PluginConnector]: Initializing RCFGBuilder... 13.25/6.58 [2019-03-28 22:31:46,590 INFO L276 PluginConnector]: RCFGBuilder initialized 13.25/6.58 [2019-03-28 22:31:46,590 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:31:46" (1/1) ... 13.25/6.58 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.25/6.58 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 13.25/6.58 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 13.25/6.58 [2019-03-28 22:31:46,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 13.25/6.58 [2019-03-28 22:31:46,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 13.25/6.58 [2019-03-28 22:31:46,768 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 13.25/6.58 [2019-03-28 22:31:46,769 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 13.25/6.58 [2019-03-28 22:31:46,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:31:46 BoogieIcfgContainer 13.25/6.58 [2019-03-28 22:31:46,770 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 13.25/6.58 [2019-03-28 22:31:46,771 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 13.25/6.58 [2019-03-28 22:31:46,771 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 13.25/6.58 [2019-03-28 22:31:46,773 INFO L276 PluginConnector]: BlockEncodingV2 initialized 13.25/6.58 [2019-03-28 22:31:46,773 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:31:46" (1/1) ... 13.25/6.58 [2019-03-28 22:31:46,787 INFO L313 BlockEncoder]: Initial Icfg 9 locations, 13 edges 13.25/6.58 [2019-03-28 22:31:46,789 INFO L258 BlockEncoder]: Using Remove infeasible edges 13.25/6.58 [2019-03-28 22:31:46,790 INFO L263 BlockEncoder]: Using Maximize final states 13.25/6.58 [2019-03-28 22:31:46,790 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 13.25/6.58 [2019-03-28 22:31:46,791 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 13.25/6.58 [2019-03-28 22:31:46,792 INFO L296 BlockEncoder]: Using Remove sink states 13.25/6.58 [2019-03-28 22:31:46,793 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 13.25/6.58 [2019-03-28 22:31:46,794 INFO L179 BlockEncoder]: Using Rewrite not-equals 13.25/6.58 [2019-03-28 22:31:46,809 INFO L185 BlockEncoder]: Using Use SBE 13.25/6.58 [2019-03-28 22:31:46,822 INFO L200 BlockEncoder]: SBE split 1 edges 13.25/6.58 [2019-03-28 22:31:46,827 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 13.25/6.58 [2019-03-28 22:31:46,829 INFO L71 MaximizeFinalStates]: 0 new accepting states 13.25/6.58 [2019-03-28 22:31:46,840 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding 13.25/6.58 [2019-03-28 22:31:46,842 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 13.25/6.58 [2019-03-28 22:31:46,844 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 13.25/6.58 [2019-03-28 22:31:46,844 INFO L71 MaximizeFinalStates]: 0 new accepting states 13.25/6.58 [2019-03-28 22:31:46,844 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 13.25/6.58 [2019-03-28 22:31:46,844 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 13.25/6.58 [2019-03-28 22:31:46,845 INFO L313 BlockEncoder]: Encoded RCFG 5 locations, 9 edges 13.25/6.58 [2019-03-28 22:31:46,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:31:46 BasicIcfg 13.25/6.58 [2019-03-28 22:31:46,845 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 13.25/6.58 [2019-03-28 22:31:46,846 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 13.25/6.58 [2019-03-28 22:31:46,846 INFO L271 PluginConnector]: Initializing TraceAbstraction... 13.25/6.58 [2019-03-28 22:31:46,850 INFO L276 PluginConnector]: TraceAbstraction initialized 13.25/6.58 [2019-03-28 22:31:46,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 10:31:46" (1/4) ... 13.25/6.58 [2019-03-28 22:31:46,851 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25f65f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:31:46, skipping insertion in model container 13.25/6.58 [2019-03-28 22:31:46,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:31:46" (2/4) ... 13.25/6.58 [2019-03-28 22:31:46,851 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25f65f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:31:46, skipping insertion in model container 13.25/6.58 [2019-03-28 22:31:46,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:31:46" (3/4) ... 13.25/6.58 [2019-03-28 22:31:46,852 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25f65f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:31:46, skipping insertion in model container 13.25/6.58 [2019-03-28 22:31:46,852 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:31:46" (4/4) ... 13.25/6.58 [2019-03-28 22:31:46,853 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 13.25/6.58 [2019-03-28 22:31:46,863 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 13.25/6.58 [2019-03-28 22:31:46,870 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 13.25/6.58 [2019-03-28 22:31:46,887 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 13.25/6.58 [2019-03-28 22:31:46,914 INFO L133 ementStrategyFactory]: Using default assertion order modulation 13.25/6.58 [2019-03-28 22:31:46,915 INFO L382 AbstractCegarLoop]: Interprodecural is true 13.25/6.58 [2019-03-28 22:31:46,915 INFO L383 AbstractCegarLoop]: Hoare is true 13.25/6.58 [2019-03-28 22:31:46,915 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 13.25/6.58 [2019-03-28 22:31:46,915 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 13.25/6.58 [2019-03-28 22:31:46,915 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 13.25/6.58 [2019-03-28 22:31:46,915 INFO L387 AbstractCegarLoop]: Difference is false 13.25/6.58 [2019-03-28 22:31:46,915 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 13.25/6.58 [2019-03-28 22:31:46,916 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 13.25/6.58 [2019-03-28 22:31:46,929 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states. 13.25/6.58 [2019-03-28 22:31:46,935 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 13.25/6.58 [2019-03-28 22:31:46,937 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 5 states. 13.25/6.58 [2019-03-28 22:31:46,985 INFO L448 ceAbstractionStarter]: For program point L17(lines 17 19) no Hoare annotation was computed. 13.25/6.58 [2019-03-28 22:31:46,985 INFO L451 ceAbstractionStarter]: At program point L17-2(lines 9 21) the Hoare annotation is: true 13.25/6.58 [2019-03-28 22:31:46,986 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 13.25/6.58 [2019-03-28 22:31:46,986 INFO L448 ceAbstractionStarter]: For program point L12(lines 12 14) no Hoare annotation was computed. 13.25/6.58 [2019-03-28 22:31:46,986 INFO L448 ceAbstractionStarter]: For program point L10(lines 10 20) no Hoare annotation was computed. 13.25/6.58 [2019-03-28 22:31:46,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:31:46 BasicIcfg 13.25/6.58 [2019-03-28 22:31:46,994 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 13.25/6.58 [2019-03-28 22:31:46,994 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 13.25/6.58 [2019-03-28 22:31:46,995 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 13.25/6.58 [2019-03-28 22:31:46,998 INFO L276 PluginConnector]: BuchiAutomizer initialized 13.25/6.58 [2019-03-28 22:31:46,998 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.25/6.58 [2019-03-28 22:31:46,999 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 10:31:46" (1/5) ... 13.25/6.58 [2019-03-28 22:31:46,999 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@48ce6485 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:31:46, skipping insertion in model container 13.25/6.58 [2019-03-28 22:31:46,999 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.25/6.58 [2019-03-28 22:31:47,000 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:31:46" (2/5) ... 13.25/6.58 [2019-03-28 22:31:47,000 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@48ce6485 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:31:47, skipping insertion in model container 13.25/6.58 [2019-03-28 22:31:47,000 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.25/6.58 [2019-03-28 22:31:47,000 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:31:46" (3/5) ... 13.25/6.58 [2019-03-28 22:31:47,001 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@48ce6485 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:31:47, skipping insertion in model container 13.25/6.58 [2019-03-28 22:31:47,001 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.25/6.58 [2019-03-28 22:31:47,001 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:31:46" (4/5) ... 13.25/6.58 [2019-03-28 22:31:47,001 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@48ce6485 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:31:47, skipping insertion in model container 13.25/6.58 [2019-03-28 22:31:47,001 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.25/6.58 [2019-03-28 22:31:47,001 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:31:46" (5/5) ... 13.25/6.58 [2019-03-28 22:31:47,003 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 13.25/6.58 [2019-03-28 22:31:47,027 INFO L133 ementStrategyFactory]: Using default assertion order modulation 13.25/6.58 [2019-03-28 22:31:47,028 INFO L374 BuchiCegarLoop]: Interprodecural is true 13.25/6.58 [2019-03-28 22:31:47,028 INFO L375 BuchiCegarLoop]: Hoare is true 13.25/6.58 [2019-03-28 22:31:47,028 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 13.25/6.58 [2019-03-28 22:31:47,028 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 13.25/6.58 [2019-03-28 22:31:47,028 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 13.25/6.58 [2019-03-28 22:31:47,028 INFO L379 BuchiCegarLoop]: Difference is false 13.25/6.58 [2019-03-28 22:31:47,029 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 13.25/6.58 [2019-03-28 22:31:47,029 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 13.25/6.58 [2019-03-28 22:31:47,032 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states. 13.25/6.58 [2019-03-28 22:31:47,049 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 13.25/6.58 [2019-03-28 22:31:47,049 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 13.25/6.58 [2019-03-28 22:31:47,049 INFO L119 BuchiIsEmpty]: Starting construction of run 13.25/6.58 [2019-03-28 22:31:47,056 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 13.25/6.58 [2019-03-28 22:31:47,056 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 13.25/6.58 [2019-03-28 22:31:47,056 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 13.25/6.58 [2019-03-28 22:31:47,056 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states. 13.25/6.58 [2019-03-28 22:31:47,057 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 13.25/6.58 [2019-03-28 22:31:47,057 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 13.25/6.58 [2019-03-28 22:31:47,057 INFO L119 BuchiIsEmpty]: Starting construction of run 13.25/6.58 [2019-03-28 22:31:47,058 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 13.25/6.58 [2019-03-28 22:31:47,058 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 13.25/6.58 [2019-03-28 22:31:47,063 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue [40] ULTIMATE.startENTRY-->L17-2: Formula: (= v_ULTIMATE.start_main_~i~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~i~0] 3#L17-2true 13.25/6.58 [2019-03-28 22:31:47,063 INFO L796 eck$LassoCheckResult]: Loop: 3#L17-2true [52] L17-2-->L10: Formula: (> 0 v_ULTIMATE.start_main_~i~0_7) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} AuxVars[] AssignedVars[] 4#L10true [49] L10-->L17: Formula: (and (= v_ULTIMATE.start_main_~i~0_13 (+ v_ULTIMATE.start_main_~i~0_14 (- 2))) (>= v_ULTIMATE.start_main_~i~0_14 0)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_14} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_13} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 6#L17true [51] L17-->L17-2: Formula: (>= 0 v_ULTIMATE.start_main_~i~0_17) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_17} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_17} AuxVars[] AssignedVars[] 3#L17-2true 13.25/6.58 [2019-03-28 22:31:47,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.25/6.58 [2019-03-28 22:31:47,069 INFO L82 PathProgramCache]: Analyzing trace with hash 71, now seen corresponding path program 1 times 13.25/6.58 [2019-03-28 22:31:47,071 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.25/6.58 [2019-03-28 22:31:47,072 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.25/6.58 [2019-03-28 22:31:47,098 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.25/6.58 [2019-03-28 22:31:47,099 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.25/6.58 [2019-03-28 22:31:47,099 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.25/6.58 [2019-03-28 22:31:47,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.25/6.58 [2019-03-28 22:31:47,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.25/6.58 [2019-03-28 22:31:47,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.25/6.58 [2019-03-28 22:31:47,138 INFO L82 PathProgramCache]: Analyzing trace with hash 81333, now seen corresponding path program 1 times 13.25/6.58 [2019-03-28 22:31:47,138 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.25/6.58 [2019-03-28 22:31:47,138 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.25/6.58 [2019-03-28 22:31:47,140 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.25/6.58 [2019-03-28 22:31:47,140 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.25/6.58 [2019-03-28 22:31:47,140 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.25/6.58 [2019-03-28 22:31:47,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 13.25/6.58 [2019-03-28 22:31:47,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 13.25/6.58 [2019-03-28 22:31:47,182 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 13.25/6.58 [2019-03-28 22:31:47,183 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 13.25/6.58 [2019-03-28 22:31:47,188 INFO L811 eck$LassoCheckResult]: loop already infeasible 13.25/6.58 [2019-03-28 22:31:47,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. 13.25/6.58 [2019-03-28 22:31:47,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 13.25/6.58 [2019-03-28 22:31:47,204 INFO L87 Difference]: Start difference. First operand 5 states. Second operand 3 states. 13.25/6.58 [2019-03-28 22:31:47,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 13.25/6.58 [2019-03-28 22:31:47,245 INFO L93 Difference]: Finished difference Result 7 states and 11 transitions. 13.25/6.58 [2019-03-28 22:31:47,245 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 13.25/6.58 [2019-03-28 22:31:47,249 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7 states and 11 transitions. 13.25/6.58 [2019-03-28 22:31:47,250 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 13.25/6.58 [2019-03-28 22:31:47,254 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7 states to 7 states and 11 transitions. 13.25/6.58 [2019-03-28 22:31:47,255 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 13.25/6.58 [2019-03-28 22:31:47,255 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 13.25/6.58 [2019-03-28 22:31:47,256 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 11 transitions. 13.25/6.58 [2019-03-28 22:31:47,256 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 13.25/6.58 [2019-03-28 22:31:47,256 INFO L706 BuchiCegarLoop]: Abstraction has 7 states and 11 transitions. 13.25/6.58 [2019-03-28 22:31:47,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 11 transitions. 13.25/6.58 [2019-03-28 22:31:47,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. 13.25/6.58 [2019-03-28 22:31:47,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. 13.25/6.58 [2019-03-28 22:31:47,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 11 transitions. 13.25/6.58 [2019-03-28 22:31:47,285 INFO L729 BuchiCegarLoop]: Abstraction has 7 states and 11 transitions. 13.25/6.58 [2019-03-28 22:31:47,285 INFO L609 BuchiCegarLoop]: Abstraction has 7 states and 11 transitions. 13.25/6.58 [2019-03-28 22:31:47,285 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 13.25/6.58 [2019-03-28 22:31:47,286 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 11 transitions. 13.25/6.58 [2019-03-28 22:31:47,286 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 13.25/6.58 [2019-03-28 22:31:47,286 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 13.25/6.58 [2019-03-28 22:31:47,286 INFO L119 BuchiIsEmpty]: Starting construction of run 13.25/6.58 [2019-03-28 22:31:47,287 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 13.25/6.58 [2019-03-28 22:31:47,287 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 13.25/6.58 [2019-03-28 22:31:47,288 INFO L794 eck$LassoCheckResult]: Stem: 24#ULTIMATE.startENTRY [40] ULTIMATE.startENTRY-->L17-2: Formula: (= v_ULTIMATE.start_main_~i~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~i~0] 25#L17-2 13.25/6.58 [2019-03-28 22:31:47,288 INFO L796 eck$LassoCheckResult]: Loop: 25#L17-2 [52] L17-2-->L10: Formula: (> 0 v_ULTIMATE.start_main_~i~0_7) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} AuxVars[] AssignedVars[] 22#L10 [38] L10-->L12: Formula: (and (= v_ULTIMATE.start_main_~i~0_8 (+ v_ULTIMATE.start_main_~i~0_9 2)) (< v_ULTIMATE.start_main_~i~0_9 0)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 23#L12 [50] L12-->L17-2: Formula: (>= v_ULTIMATE.start_main_~i~0_12 0) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_12} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_12} AuxVars[] AssignedVars[] 25#L17-2 13.25/6.58 [2019-03-28 22:31:47,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.25/6.58 [2019-03-28 22:31:47,288 INFO L82 PathProgramCache]: Analyzing trace with hash 71, now seen corresponding path program 2 times 13.25/6.58 [2019-03-28 22:31:47,288 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.25/6.58 [2019-03-28 22:31:47,289 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.25/6.58 [2019-03-28 22:31:47,290 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.25/6.58 [2019-03-28 22:31:47,290 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.25/6.58 [2019-03-28 22:31:47,290 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.25/6.58 [2019-03-28 22:31:47,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.25/6.58 [2019-03-28 22:31:47,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.25/6.58 [2019-03-28 22:31:47,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.25/6.58 [2019-03-28 22:31:47,294 INFO L82 PathProgramCache]: Analyzing trace with hash 80991, now seen corresponding path program 1 times 13.25/6.58 [2019-03-28 22:31:47,294 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.25/6.58 [2019-03-28 22:31:47,294 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.25/6.58 [2019-03-28 22:31:47,295 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.25/6.58 [2019-03-28 22:31:47,296 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 13.25/6.58 [2019-03-28 22:31:47,296 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.25/6.58 [2019-03-28 22:31:47,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.25/6.58 [2019-03-28 22:31:47,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.25/6.58 [2019-03-28 22:31:47,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.25/6.58 [2019-03-28 22:31:47,302 INFO L82 PathProgramCache]: Analyzing trace with hash 2166361, now seen corresponding path program 1 times 13.25/6.58 [2019-03-28 22:31:47,302 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.25/6.58 [2019-03-28 22:31:47,302 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.25/6.58 [2019-03-28 22:31:47,304 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.25/6.58 [2019-03-28 22:31:47,304 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.25/6.58 [2019-03-28 22:31:47,304 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.25/6.58 [2019-03-28 22:31:47,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.25/6.58 [2019-03-28 22:31:47,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.25/6.58 [2019-03-28 22:31:47,354 INFO L216 LassoAnalysis]: Preferences: 13.25/6.58 [2019-03-28 22:31:47,355 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 13.25/6.58 [2019-03-28 22:31:47,355 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 13.25/6.58 [2019-03-28 22:31:47,355 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 13.25/6.58 [2019-03-28 22:31:47,356 INFO L127 ssoRankerPreferences]: Use exernal solver: true 13.25/6.58 [2019-03-28 22:31:47,356 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.25/6.58 [2019-03-28 22:31:47,356 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 13.25/6.58 [2019-03-28 22:31:47,356 INFO L130 ssoRankerPreferences]: Path of dumped script: 13.25/6.58 [2019-03-28 22:31:47,356 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 13.25/6.58 [2019-03-28 22:31:47,356 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 13.25/6.58 [2019-03-28 22:31:47,357 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 13.25/6.58 [2019-03-28 22:31:47,376 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.25/6.58 [2019-03-28 22:31:47,386 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.25/6.58 [2019-03-28 22:31:47,390 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.25/6.58 [2019-03-28 22:31:47,468 INFO L300 LassoAnalysis]: Preprocessing complete. 13.25/6.58 [2019-03-28 22:31:47,469 INFO L412 LassoAnalysis]: Checking for nontermination... 13.25/6.58 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.25/6.58 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.25/6.58 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.25/6.58 [2019-03-28 22:31:47,476 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.25/6.58 [2019-03-28 22:31:47,476 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.25/6.58 [2019-03-28 22:31:47,508 INFO L445 LassoAnalysis]: Proved nontermination for one component. 13.25/6.58 [2019-03-28 22:31:47,508 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: [] 13.25/6.58 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.25/6.58 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.25/6.58 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.25/6.58 [2019-03-28 22:31:47,513 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.25/6.58 [2019-03-28 22:31:47,513 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.25/6.58 [2019-03-28 22:31:47,541 INFO L445 LassoAnalysis]: Proved nontermination for one component. 13.25/6.58 [2019-03-28 22:31:47,542 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: [] 13.25/6.58 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.25/6.58 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.25/6.58 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.25/6.58 [2019-03-28 22:31:47,546 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.25/6.58 [2019-03-28 22:31:47,547 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.25/6.58 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.25/6.58 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.25/6.58 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.25/6.58 [2019-03-28 22:31:47,579 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 13.25/6.58 [2019-03-28 22:31:47,579 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.25/6.58 [2019-03-28 22:31:47,609 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 13.25/6.58 [2019-03-28 22:31:47,611 INFO L216 LassoAnalysis]: Preferences: 13.25/6.58 [2019-03-28 22:31:47,611 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 13.25/6.58 [2019-03-28 22:31:47,611 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 13.25/6.58 [2019-03-28 22:31:47,611 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 13.25/6.58 [2019-03-28 22:31:47,612 INFO L127 ssoRankerPreferences]: Use exernal solver: false 13.25/6.58 [2019-03-28 22:31:47,612 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 13.25/6.58 [2019-03-28 22:31:47,612 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 13.25/6.58 [2019-03-28 22:31:47,612 INFO L130 ssoRankerPreferences]: Path of dumped script: 13.25/6.58 [2019-03-28 22:31:47,612 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 13.25/6.58 [2019-03-28 22:31:47,612 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 13.25/6.58 [2019-03-28 22:31:47,612 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 13.25/6.58 [2019-03-28 22:31:47,614 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.25/6.58 [2019-03-28 22:31:47,619 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.25/6.58 [2019-03-28 22:31:47,622 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.25/6.58 [2019-03-28 22:31:47,685 INFO L300 LassoAnalysis]: Preprocessing complete. 13.25/6.58 [2019-03-28 22:31:47,691 INFO L497 LassoAnalysis]: Using template 'affine'. 13.25/6.58 [2019-03-28 22:31:47,693 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 13.25/6.58 Termination analysis: LINEAR_WITH_GUESSES 13.25/6.58 Number of strict supporting invariants: 0 13.25/6.58 Number of non-strict supporting invariants: 1 13.25/6.58 Consider only non-deceasing supporting invariants: true 13.25/6.58 Simplify termination arguments: true 13.25/6.58 Simplify supporting invariants: trueOverapproximate stem: false 13.25/6.58 [2019-03-28 22:31:47,694 INFO L339 nArgumentSynthesizer]: Template has degree 0. 13.25/6.58 [2019-03-28 22:31:47,695 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 13.25/6.58 [2019-03-28 22:31:47,695 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 13.25/6.58 [2019-03-28 22:31:47,695 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 13.25/6.58 [2019-03-28 22:31:47,700 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 13.25/6.58 [2019-03-28 22:31:47,700 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 13.25/6.58 [2019-03-28 22:31:47,708 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 13.25/6.58 [2019-03-28 22:31:47,709 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 13.25/6.58 Termination analysis: LINEAR_WITH_GUESSES 13.25/6.58 Number of strict supporting invariants: 0 13.25/6.58 Number of non-strict supporting invariants: 1 13.25/6.58 Consider only non-deceasing supporting invariants: true 13.25/6.58 Simplify termination arguments: true 13.25/6.58 Simplify supporting invariants: trueOverapproximate stem: false 13.25/6.58 [2019-03-28 22:31:47,709 INFO L339 nArgumentSynthesizer]: Template has degree 0. 13.25/6.58 [2019-03-28 22:31:47,710 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 13.25/6.58 [2019-03-28 22:31:47,710 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 13.25/6.58 [2019-03-28 22:31:47,710 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 13.25/6.58 [2019-03-28 22:31:47,713 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 13.25/6.58 [2019-03-28 22:31:47,713 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 13.25/6.58 [2019-03-28 22:31:47,721 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 13.25/6.58 [2019-03-28 22:31:47,722 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 13.25/6.58 Termination analysis: LINEAR_WITH_GUESSES 13.25/6.58 Number of strict supporting invariants: 0 13.25/6.58 Number of non-strict supporting invariants: 1 13.25/6.58 Consider only non-deceasing supporting invariants: true 13.25/6.58 Simplify termination arguments: true 13.25/6.58 Simplify supporting invariants: trueOverapproximate stem: false 13.25/6.58 [2019-03-28 22:31:47,722 INFO L339 nArgumentSynthesizer]: Template has degree 0. 13.25/6.58 [2019-03-28 22:31:47,722 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 13.25/6.58 [2019-03-28 22:31:47,723 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 13.25/6.58 [2019-03-28 22:31:47,723 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 13.25/6.58 [2019-03-28 22:31:47,723 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 13.25/6.58 [2019-03-28 22:31:47,724 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 13.25/6.58 [2019-03-28 22:31:47,724 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 13.25/6.58 [2019-03-28 22:31:47,731 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 13.25/6.58 [2019-03-28 22:31:47,736 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 13.25/6.58 [2019-03-28 22:31:47,736 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. 13.25/6.58 [2019-03-28 22:31:47,738 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 13.25/6.58 [2019-03-28 22:31:47,739 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 13.25/6.58 [2019-03-28 22:31:47,739 INFO L518 LassoAnalysis]: Proved termination. 13.25/6.58 [2019-03-28 22:31:47,739 INFO L520 LassoAnalysis]: Termination argument consisting of: 13.25/6.58 Ranking function f(ULTIMATE.start_main_~i~0) = -1*ULTIMATE.start_main_~i~0 13.25/6.58 Supporting invariants [] 13.25/6.58 [2019-03-28 22:31:47,741 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 13.25/6.58 [2019-03-28 22:31:47,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.25/6.58 [2019-03-28 22:31:47,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 13.25/6.58 [2019-03-28 22:31:47,793 WARN L254 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjunts are in the unsatisfiable core 13.25/6.58 [2019-03-28 22:31:47,794 INFO L279 TraceCheckSpWp]: Computing forward predicates... 13.25/6.58 [2019-03-28 22:31:47,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 13.25/6.58 [2019-03-28 22:31:47,803 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core 13.25/6.58 [2019-03-28 22:31:47,804 INFO L279 TraceCheckSpWp]: Computing forward predicates... 13.25/6.58 [2019-03-28 22:31:47,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 13.25/6.58 [2019-03-28 22:31:47,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 13.25/6.58 [2019-03-28 22:31:47,876 INFO L256 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 2 conjunts are in the unsatisfiable core 13.25/6.58 [2019-03-28 22:31:47,877 INFO L279 TraceCheckSpWp]: Computing forward predicates... 13.25/6.58 [2019-03-28 22:31:47,910 INFO L98 LoopCannibalizer]: 4 predicates before loop cannibalization 6 predicates after loop cannibalization 13.25/6.58 [2019-03-28 22:31:47,913 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 6 loop predicates 13.25/6.58 [2019-03-28 22:31:47,914 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 7 states and 11 transitions. cyclomatic complexity: 5 Second operand 4 states. 13.25/6.58 [2019-03-28 22:31:47,996 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 7 states and 11 transitions. cyclomatic complexity: 5. Second operand 4 states. Result 23 states and 38 transitions. Complement of second has 8 states. 13.25/6.58 [2019-03-28 22:31:47,996 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 2 non-accepting loop states 2 accepting loop states 13.25/6.58 [2019-03-28 22:31:47,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. 13.25/6.58 [2019-03-28 22:31:47,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 28 transitions. 13.25/6.58 [2019-03-28 22:31:48,000 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 28 transitions. Stem has 1 letters. Loop has 3 letters. 13.25/6.58 [2019-03-28 22:31:48,002 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.25/6.58 [2019-03-28 22:31:48,002 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 28 transitions. Stem has 4 letters. Loop has 3 letters. 13.25/6.58 [2019-03-28 22:31:48,002 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.25/6.58 [2019-03-28 22:31:48,002 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 28 transitions. Stem has 1 letters. Loop has 6 letters. 13.25/6.58 [2019-03-28 22:31:48,003 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.25/6.58 [2019-03-28 22:31:48,008 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 38 transitions. 13.25/6.58 [2019-03-28 22:31:48,010 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 13.25/6.58 [2019-03-28 22:31:48,010 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 14 states and 20 transitions. 13.25/6.58 [2019-03-28 22:31:48,011 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 13.25/6.58 [2019-03-28 22:31:48,011 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 13.25/6.58 [2019-03-28 22:31:48,011 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 20 transitions. 13.25/6.58 [2019-03-28 22:31:48,011 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 13.25/6.58 [2019-03-28 22:31:48,011 INFO L706 BuchiCegarLoop]: Abstraction has 14 states and 20 transitions. 13.25/6.58 [2019-03-28 22:31:48,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 20 transitions. 13.25/6.58 [2019-03-28 22:31:48,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 12. 13.25/6.58 [2019-03-28 22:31:48,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. 13.25/6.58 [2019-03-28 22:31:48,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 18 transitions. 13.25/6.58 [2019-03-28 22:31:48,014 INFO L729 BuchiCegarLoop]: Abstraction has 12 states and 18 transitions. 13.25/6.58 [2019-03-28 22:31:48,014 INFO L609 BuchiCegarLoop]: Abstraction has 12 states and 18 transitions. 13.25/6.58 [2019-03-28 22:31:48,014 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 13.25/6.58 [2019-03-28 22:31:48,014 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 18 transitions. 13.25/6.58 [2019-03-28 22:31:48,015 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 13.25/6.58 [2019-03-28 22:31:48,015 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 13.25/6.58 [2019-03-28 22:31:48,015 INFO L119 BuchiIsEmpty]: Starting construction of run 13.25/6.58 [2019-03-28 22:31:48,015 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] 13.25/6.58 [2019-03-28 22:31:48,015 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 13.25/6.58 [2019-03-28 22:31:48,016 INFO L794 eck$LassoCheckResult]: Stem: 108#ULTIMATE.startENTRY [40] ULTIMATE.startENTRY-->L17-2: Formula: (= v_ULTIMATE.start_main_~i~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~i~0] 109#L17-2 [53] L17-2-->L10: Formula: (< 0 v_ULTIMATE.start_main_~i~0_7) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} AuxVars[] AssignedVars[] 105#L10 [49] L10-->L17: Formula: (and (= v_ULTIMATE.start_main_~i~0_13 (+ v_ULTIMATE.start_main_~i~0_14 (- 2))) (>= v_ULTIMATE.start_main_~i~0_14 0)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_14} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_13} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 110#L17 13.25/6.58 [2019-03-28 22:31:48,016 INFO L796 eck$LassoCheckResult]: Loop: 110#L17 [51] L17-->L17-2: Formula: (>= 0 v_ULTIMATE.start_main_~i~0_17) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_17} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_17} AuxVars[] AssignedVars[] 111#L17-2 [53] L17-2-->L10: Formula: (< 0 v_ULTIMATE.start_main_~i~0_7) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} AuxVars[] AssignedVars[] 114#L10 [49] L10-->L17: Formula: (and (= v_ULTIMATE.start_main_~i~0_13 (+ v_ULTIMATE.start_main_~i~0_14 (- 2))) (>= v_ULTIMATE.start_main_~i~0_14 0)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_14} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_13} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 110#L17 13.25/6.58 [2019-03-28 22:31:48,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.25/6.58 [2019-03-28 22:31:48,016 INFO L82 PathProgramCache]: Analyzing trace with hash 69923, now seen corresponding path program 1 times 13.25/6.58 [2019-03-28 22:31:48,016 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.25/6.58 [2019-03-28 22:31:48,016 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.25/6.58 [2019-03-28 22:31:48,018 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.25/6.58 [2019-03-28 22:31:48,018 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.25/6.58 [2019-03-28 22:31:48,018 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.25/6.58 [2019-03-28 22:31:48,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.25/6.58 [2019-03-28 22:31:48,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.25/6.58 [2019-03-28 22:31:48,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.25/6.58 [2019-03-28 22:31:48,025 INFO L82 PathProgramCache]: Analyzing trace with hash 80494, now seen corresponding path program 1 times 13.25/6.58 [2019-03-28 22:31:48,025 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.25/6.58 [2019-03-28 22:31:48,025 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.25/6.58 [2019-03-28 22:31:48,027 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.25/6.58 [2019-03-28 22:31:48,027 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.25/6.58 [2019-03-28 22:31:48,027 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.25/6.58 [2019-03-28 22:31:48,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 13.25/6.58 [2019-03-28 22:31:48,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 13.25/6.58 [2019-03-28 22:31:48,043 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 13.25/6.58 [2019-03-28 22:31:48,043 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 13.25/6.58 [2019-03-28 22:31:48,043 INFO L811 eck$LassoCheckResult]: loop already infeasible 13.25/6.58 [2019-03-28 22:31:48,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. 13.25/6.58 [2019-03-28 22:31:48,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 13.25/6.58 [2019-03-28 22:31:48,044 INFO L87 Difference]: Start difference. First operand 12 states and 18 transitions. cyclomatic complexity: 7 Second operand 3 states. 13.25/6.58 [2019-03-28 22:31:48,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 13.25/6.58 [2019-03-28 22:31:48,060 INFO L93 Difference]: Finished difference Result 13 states and 19 transitions. 13.25/6.58 [2019-03-28 22:31:48,060 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 13.25/6.58 [2019-03-28 22:31:48,062 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 19 transitions. 13.25/6.58 [2019-03-28 22:31:48,063 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 13.25/6.58 [2019-03-28 22:31:48,063 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 13 states and 19 transitions. 13.25/6.58 [2019-03-28 22:31:48,063 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 13.25/6.58 [2019-03-28 22:31:48,064 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 13.25/6.58 [2019-03-28 22:31:48,064 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 19 transitions. 13.25/6.58 [2019-03-28 22:31:48,064 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 13.25/6.58 [2019-03-28 22:31:48,064 INFO L706 BuchiCegarLoop]: Abstraction has 13 states and 19 transitions. 13.25/6.58 [2019-03-28 22:31:48,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 19 transitions. 13.25/6.58 [2019-03-28 22:31:48,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. 13.25/6.58 [2019-03-28 22:31:48,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. 13.25/6.58 [2019-03-28 22:31:48,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 18 transitions. 13.25/6.58 [2019-03-28 22:31:48,066 INFO L729 BuchiCegarLoop]: Abstraction has 12 states and 18 transitions. 13.25/6.58 [2019-03-28 22:31:48,066 INFO L609 BuchiCegarLoop]: Abstraction has 12 states and 18 transitions. 13.25/6.58 [2019-03-28 22:31:48,066 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ 13.25/6.58 [2019-03-28 22:31:48,066 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 18 transitions. 13.25/6.58 [2019-03-28 22:31:48,067 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 13.25/6.58 [2019-03-28 22:31:48,068 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 13.25/6.58 [2019-03-28 22:31:48,068 INFO L119 BuchiIsEmpty]: Starting construction of run 13.25/6.58 [2019-03-28 22:31:48,068 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] 13.25/6.58 [2019-03-28 22:31:48,068 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] 13.25/6.58 [2019-03-28 22:31:48,069 INFO L794 eck$LassoCheckResult]: Stem: 138#ULTIMATE.startENTRY [40] ULTIMATE.startENTRY-->L17-2: Formula: (= v_ULTIMATE.start_main_~i~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~i~0] 139#L17-2 [53] L17-2-->L10: Formula: (< 0 v_ULTIMATE.start_main_~i~0_7) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} AuxVars[] AssignedVars[] 143#L10 [49] L10-->L17: Formula: (and (= v_ULTIMATE.start_main_~i~0_13 (+ v_ULTIMATE.start_main_~i~0_14 (- 2))) (>= v_ULTIMATE.start_main_~i~0_14 0)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_14} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_13} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 140#L17 13.25/6.58 [2019-03-28 22:31:48,069 INFO L796 eck$LassoCheckResult]: Loop: 140#L17 [51] L17-->L17-2: Formula: (>= 0 v_ULTIMATE.start_main_~i~0_17) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_17} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_17} AuxVars[] AssignedVars[] 135#L17-2 [52] L17-2-->L10: Formula: (> 0 v_ULTIMATE.start_main_~i~0_7) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} AuxVars[] AssignedVars[] 136#L10 [38] L10-->L12: Formula: (and (= v_ULTIMATE.start_main_~i~0_8 (+ v_ULTIMATE.start_main_~i~0_9 2)) (< v_ULTIMATE.start_main_~i~0_9 0)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 137#L12 [50] L12-->L17-2: Formula: (>= v_ULTIMATE.start_main_~i~0_12 0) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_12} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_12} AuxVars[] AssignedVars[] 145#L17-2 [53] L17-2-->L10: Formula: (< 0 v_ULTIMATE.start_main_~i~0_7) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} AuxVars[] AssignedVars[] 144#L10 [49] L10-->L17: Formula: (and (= v_ULTIMATE.start_main_~i~0_13 (+ v_ULTIMATE.start_main_~i~0_14 (- 2))) (>= v_ULTIMATE.start_main_~i~0_14 0)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_14} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_13} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 140#L17 13.25/6.58 [2019-03-28 22:31:48,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.25/6.58 [2019-03-28 22:31:48,069 INFO L82 PathProgramCache]: Analyzing trace with hash 69923, now seen corresponding path program 2 times 13.25/6.58 [2019-03-28 22:31:48,069 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.25/6.58 [2019-03-28 22:31:48,069 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.25/6.58 [2019-03-28 22:31:48,071 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.25/6.58 [2019-03-28 22:31:48,071 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.25/6.58 [2019-03-28 22:31:48,071 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.25/6.58 [2019-03-28 22:31:48,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.25/6.58 [2019-03-28 22:31:48,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.25/6.58 [2019-03-28 22:31:48,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.25/6.58 [2019-03-28 22:31:48,076 INFO L82 PathProgramCache]: Analyzing trace with hash -1898172022, now seen corresponding path program 1 times 13.25/6.58 [2019-03-28 22:31:48,077 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.25/6.58 [2019-03-28 22:31:48,077 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.25/6.58 [2019-03-28 22:31:48,078 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.25/6.58 [2019-03-28 22:31:48,078 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 13.25/6.58 [2019-03-28 22:31:48,078 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.25/6.58 [2019-03-28 22:31:48,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.25/6.58 [2019-03-28 22:31:48,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.25/6.58 [2019-03-28 22:31:48,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.25/6.58 [2019-03-28 22:31:48,085 INFO L82 PathProgramCache]: Analyzing trace with hash 446718252, now seen corresponding path program 1 times 13.25/6.58 [2019-03-28 22:31:48,086 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.25/6.58 [2019-03-28 22:31:48,086 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.25/6.58 [2019-03-28 22:31:48,087 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.25/6.58 [2019-03-28 22:31:48,087 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.25/6.58 [2019-03-28 22:31:48,087 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.25/6.58 [2019-03-28 22:31:48,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.25/6.58 [2019-03-28 22:31:48,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.25/6.58 [2019-03-28 22:31:48,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:31:48 BasicIcfg 13.25/6.58 [2019-03-28 22:31:48,154 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 13.25/6.58 [2019-03-28 22:31:48,155 INFO L168 Benchmark]: Toolchain (without parser) took 1903.63 ms. Allocated memory was 649.6 MB in the beginning and 674.8 MB in the end (delta: 25.2 MB). Free memory was 564.8 MB in the beginning and 486.2 MB in the end (delta: 78.7 MB). Peak memory consumption was 103.8 MB. Max. memory is 50.3 GB. 13.25/6.58 [2019-03-28 22:31:48,157 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 585.3 MB. There was no memory consumed. Max. memory is 50.3 GB. 13.25/6.58 [2019-03-28 22:31:48,157 INFO L168 Benchmark]: CACSL2BoogieTranslator took 225.71 ms. Allocated memory is still 649.6 MB. Free memory was 564.8 MB in the beginning and 555.3 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 50.3 GB. 13.25/6.58 [2019-03-28 22:31:48,158 INFO L168 Benchmark]: Boogie Procedure Inliner took 90.68 ms. Allocated memory was 649.6 MB in the beginning and 674.8 MB in the end (delta: 25.2 MB). Free memory was 555.3 MB in the beginning and 641.4 MB in the end (delta: -86.1 MB). Peak memory consumption was 21.6 MB. Max. memory is 50.3 GB. 13.25/6.58 [2019-03-28 22:31:48,158 INFO L168 Benchmark]: Boogie Preprocessor took 19.14 ms. Allocated memory is still 674.8 MB. Free memory was 641.4 MB in the beginning and 638.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 13.25/6.58 [2019-03-28 22:31:48,159 INFO L168 Benchmark]: RCFGBuilder took 181.00 ms. Allocated memory is still 674.8 MB. Free memory was 638.3 MB in the beginning and 625.4 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 50.3 GB. 13.25/6.58 [2019-03-28 22:31:48,160 INFO L168 Benchmark]: BlockEncodingV2 took 74.69 ms. Allocated memory is still 674.8 MB. Free memory was 625.4 MB in the beginning and 620.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 13.25/6.58 [2019-03-28 22:31:48,160 INFO L168 Benchmark]: TraceAbstraction took 147.67 ms. Allocated memory is still 674.8 MB. Free memory was 618.6 MB in the beginning and 609.4 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 50.3 GB. 13.25/6.58 [2019-03-28 22:31:48,161 INFO L168 Benchmark]: BuchiAutomizer took 1159.53 ms. Allocated memory is still 674.8 MB. Free memory was 609.4 MB in the beginning and 486.2 MB in the end (delta: 123.3 MB). Peak memory consumption was 123.3 MB. Max. memory is 50.3 GB. 13.25/6.58 [2019-03-28 22:31:48,166 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 13.25/6.58 --- Results --- 13.25/6.58 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 13.25/6.58 - StatisticsResult: Initial Icfg 13.25/6.58 9 locations, 13 edges 13.25/6.58 - StatisticsResult: Encoded RCFG 13.25/6.58 5 locations, 9 edges 13.25/6.58 * Results from de.uni_freiburg.informatik.ultimate.core: 13.25/6.58 - StatisticsResult: Toolchain Benchmarks 13.25/6.58 Benchmark results are: 13.25/6.58 * CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 585.3 MB. There was no memory consumed. Max. memory is 50.3 GB. 13.25/6.58 * CACSL2BoogieTranslator took 225.71 ms. Allocated memory is still 649.6 MB. Free memory was 564.8 MB in the beginning and 555.3 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 50.3 GB. 13.25/6.58 * Boogie Procedure Inliner took 90.68 ms. Allocated memory was 649.6 MB in the beginning and 674.8 MB in the end (delta: 25.2 MB). Free memory was 555.3 MB in the beginning and 641.4 MB in the end (delta: -86.1 MB). Peak memory consumption was 21.6 MB. Max. memory is 50.3 GB. 13.25/6.58 * Boogie Preprocessor took 19.14 ms. Allocated memory is still 674.8 MB. Free memory was 641.4 MB in the beginning and 638.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 13.25/6.58 * RCFGBuilder took 181.00 ms. Allocated memory is still 674.8 MB. Free memory was 638.3 MB in the beginning and 625.4 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 50.3 GB. 13.25/6.58 * BlockEncodingV2 took 74.69 ms. Allocated memory is still 674.8 MB. Free memory was 625.4 MB in the beginning and 620.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 13.25/6.58 * TraceAbstraction took 147.67 ms. Allocated memory is still 674.8 MB. Free memory was 618.6 MB in the beginning and 609.4 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 50.3 GB. 13.25/6.58 * BuchiAutomizer took 1159.53 ms. Allocated memory is still 674.8 MB. Free memory was 609.4 MB in the beginning and 486.2 MB in the end (delta: 123.3 MB). Peak memory consumption was 123.3 MB. Max. memory is 50.3 GB. 13.25/6.58 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 13.25/6.58 - AllSpecificationsHoldResult: All specifications hold 13.25/6.58 We were not able to verify any specifiation because the program does not contain any specification. 13.25/6.58 - InvariantResult [Line: 9]: Loop Invariant 13.25/6.58 Derived loop invariant: 1 13.25/6.58 - StatisticsResult: Ultimate Automizer benchmark data 13.25/6.58 CFG has 1 procedures, 5 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=5occurred 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 13.25/6.58 - StatisticsResult: Constructed decomposition of program 13.25/6.58 Your program was decomposed into 3 terminating modules (2 trivial, 0 deterministic, 1 nondeterministic) and one nonterminating remainder module.One nondeterministic module has affine ranking function -1 * i and consists of 6 locations. 2 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 12 locations. 13.25/6.58 - StatisticsResult: Timing statistics 13.25/6.58 BüchiAutomizer plugin needed 1.1s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 0.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 3 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 12 states and ocurred in iteration 2. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 10 SDtfs, 12 SDslu, 0 SDs, 0 SdLazy, 64 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital13 mio100 ax192 hnf100 lsp51 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq146 hnf94 smp100 dnf100 smp100 tf111 neg100 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 16ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s 13.25/6.58 - TerminationAnalysisResult: Nontermination possible 13.25/6.58 Buchi Automizer proved that your program is nonterminating for some inputs 13.25/6.58 - FixpointNonTerminationResult [Line: 17]: Nontermination argument in form of an infinite program execution. 13.25/6.58 Nontermination argument in form of an infinite execution 13.25/6.58 State at position 0 is 13.25/6.58 {} 13.25/6.58 State at position 1 is 13.25/6.58 {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4d23ae6e=0, \result=0, i=-1} 13.25/6.58 - StatisticsResult: NonterminationArgumentStatistics 13.25/6.58 Fixpoint 13.25/6.58 - NonterminatingLassoResult [Line: 17]: Nonterminating execution 13.25/6.58 Found a nonterminating execution for the following lasso shaped sequence of statements. 13.25/6.58 Stem: 13.25/6.58 [L6] int i; 13.25/6.58 [L7] i = __VERIFIER_nondet_int() 13.25/6.58 [L9] COND TRUE i != 0 13.25/6.58 [L10] COND FALSE !(i < 0) 13.25/6.58 [L16] i = i-2 13.25/6.58 Loop: 13.25/6.58 [L17] COND FALSE !(i > 0) 13.25/6.58 [L9] COND TRUE i != 0 13.25/6.58 [L10] COND TRUE i < 0 13.25/6.58 [L11] i = i+2 13.25/6.58 [L12] COND FALSE !(i < 0) 13.25/6.58 [L9] COND TRUE i != 0 13.25/6.58 [L10] COND FALSE !(i < 0) 13.25/6.58 [L16] i = i-2 13.25/6.58 End of lasso representation. 13.25/6.58 RESULT: Ultimate proved your program to be incorrect! 13.25/6.58 !SESSION 2019-03-28 22:31:43.196 ----------------------------------------------- 13.25/6.58 eclipse.buildId=unknown 13.25/6.58 java.version=1.8.0_144 13.25/6.58 java.vendor=Oracle Corporation 13.25/6.58 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 13.25/6.58 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 13.25/6.58 Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox/tmp -i /export/starexec/sandbox/benchmark/theBenchmark.c 13.25/6.58 13.25/6.58 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 22:31:48.403 13.25/6.58 !MESSAGE The workspace will exit with unsaved changes in this session. 13.25/6.58 Received shutdown request... 13.25/6.58 Ultimate: 13.25/6.58 GTK+ Version Check 13.25/6.58 EOF