13.17/6.29 NO 13.17/6.29 13.17/6.29 Ultimate: Cannot open display: 13.17/6.29 This is Ultimate 0.1.24-8dc7c08-m 13.17/6.29 [2019-03-28 22:22:15,883 INFO L170 SettingsManager]: Resetting all preferences to default values... 13.17/6.29 [2019-03-28 22:22:15,885 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 13.17/6.29 [2019-03-28 22:22:15,897 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 13.17/6.29 [2019-03-28 22:22:15,897 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 13.17/6.29 [2019-03-28 22:22:15,898 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 13.17/6.29 [2019-03-28 22:22:15,899 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 13.17/6.29 [2019-03-28 22:22:15,901 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 13.17/6.29 [2019-03-28 22:22:15,902 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 13.17/6.29 [2019-03-28 22:22:15,903 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 13.17/6.29 [2019-03-28 22:22:15,904 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 13.17/6.29 [2019-03-28 22:22:15,904 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 13.17/6.29 [2019-03-28 22:22:15,905 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 13.17/6.29 [2019-03-28 22:22:15,906 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 13.17/6.29 [2019-03-28 22:22:15,907 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 13.17/6.29 [2019-03-28 22:22:15,907 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 13.17/6.29 [2019-03-28 22:22:15,908 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 13.17/6.29 [2019-03-28 22:22:15,910 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 13.17/6.29 [2019-03-28 22:22:15,912 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 13.17/6.29 [2019-03-28 22:22:15,913 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 13.17/6.29 [2019-03-28 22:22:15,914 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 13.17/6.29 [2019-03-28 22:22:15,915 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 13.17/6.29 [2019-03-28 22:22:15,917 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 13.17/6.29 [2019-03-28 22:22:15,918 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 13.17/6.29 [2019-03-28 22:22:15,918 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 13.17/6.29 [2019-03-28 22:22:15,919 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 13.17/6.29 [2019-03-28 22:22:15,919 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 13.17/6.29 [2019-03-28 22:22:15,920 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 13.17/6.29 [2019-03-28 22:22:15,920 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 13.17/6.29 [2019-03-28 22:22:15,921 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 13.17/6.29 [2019-03-28 22:22:15,921 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 13.17/6.29 [2019-03-28 22:22:15,922 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 13.17/6.29 [2019-03-28 22:22:15,923 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 13.17/6.29 [2019-03-28 22:22:15,923 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 13.17/6.29 [2019-03-28 22:22:15,924 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 13.17/6.29 [2019-03-28 22:22:15,924 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 13.17/6.29 [2019-03-28 22:22:15,924 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 13.17/6.29 [2019-03-28 22:22:15,925 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 13.17/6.29 [2019-03-28 22:22:15,926 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 13.17/6.29 [2019-03-28 22:22:15,926 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 13.17/6.29 [2019-03-28 22:22:15,941 INFO L110 SettingsManager]: Loading preferences was successful 13.17/6.29 [2019-03-28 22:22:15,941 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 13.17/6.29 [2019-03-28 22:22:15,942 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 13.17/6.29 [2019-03-28 22:22:15,942 INFO L133 SettingsManager]: * Rewrite not-equals=true 13.17/6.29 [2019-03-28 22:22:15,942 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 13.17/6.29 [2019-03-28 22:22:15,942 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 13.17/6.29 [2019-03-28 22:22:15,943 INFO L133 SettingsManager]: * Use SBE=true 13.17/6.29 [2019-03-28 22:22:15,943 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 13.17/6.29 [2019-03-28 22:22:15,943 INFO L133 SettingsManager]: * Use old map elimination=false 13.17/6.29 [2019-03-28 22:22:15,943 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 13.17/6.29 [2019-03-28 22:22:15,943 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 13.17/6.29 [2019-03-28 22:22:15,944 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 13.17/6.29 [2019-03-28 22:22:15,944 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 13.17/6.29 [2019-03-28 22:22:15,944 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 13.17/6.29 [2019-03-28 22:22:15,944 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.17/6.29 [2019-03-28 22:22:15,944 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 13.17/6.29 [2019-03-28 22:22:15,944 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 13.17/6.29 [2019-03-28 22:22:15,945 INFO L133 SettingsManager]: * Check division by zero=IGNORE 13.17/6.29 [2019-03-28 22:22:15,945 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 13.17/6.29 [2019-03-28 22:22:15,945 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 13.17/6.29 [2019-03-28 22:22:15,945 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 13.17/6.29 [2019-03-28 22:22:15,945 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 13.17/6.29 [2019-03-28 22:22:15,945 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 13.17/6.29 [2019-03-28 22:22:15,946 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 13.17/6.29 [2019-03-28 22:22:15,946 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 13.17/6.29 [2019-03-28 22:22:15,946 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 13.17/6.29 [2019-03-28 22:22:15,946 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 13.17/6.29 [2019-03-28 22:22:15,946 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 13.17/6.29 [2019-03-28 22:22:15,947 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 13.17/6.29 [2019-03-28 22:22:15,975 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 13.17/6.29 [2019-03-28 22:22:15,989 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 13.17/6.29 [2019-03-28 22:22:15,992 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 13.17/6.29 [2019-03-28 22:22:15,994 INFO L271 PluginConnector]: Initializing CDTParser... 13.17/6.29 [2019-03-28 22:22:15,994 INFO L276 PluginConnector]: CDTParser initialized 13.17/6.29 [2019-03-28 22:22:15,995 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 13.17/6.29 [2019-03-28 22:22:16,052 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/357362744ae346b4a613febff54f20fd/FLAGfac8845f7 13.17/6.29 [2019-03-28 22:22:16,410 INFO L307 CDTParser]: Found 1 translation units. 13.17/6.29 [2019-03-28 22:22:16,411 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 13.17/6.29 [2019-03-28 22:22:16,417 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/357362744ae346b4a613febff54f20fd/FLAGfac8845f7 13.17/6.29 [2019-03-28 22:22:16,841 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/357362744ae346b4a613febff54f20fd 13.17/6.29 [2019-03-28 22:22:16,852 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 13.17/6.29 [2019-03-28 22:22:16,854 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 13.17/6.29 [2019-03-28 22:22:16,855 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 13.17/6.29 [2019-03-28 22:22:16,855 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 13.17/6.29 [2019-03-28 22:22:16,859 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 13.17/6.29 [2019-03-28 22:22:16,860 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:22:16" (1/1) ... 13.17/6.29 [2019-03-28 22:22:16,863 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f220a6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:22:16, skipping insertion in model container 13.17/6.29 [2019-03-28 22:22:16,863 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:22:16" (1/1) ... 13.17/6.29 [2019-03-28 22:22:16,871 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 13.17/6.29 [2019-03-28 22:22:16,888 INFO L176 MainTranslator]: Built tables and reachable declarations 13.17/6.29 [2019-03-28 22:22:17,041 INFO L206 PostProcessor]: Analyzing one entry point: main 13.17/6.29 [2019-03-28 22:22:17,046 INFO L191 MainTranslator]: Completed pre-run 13.17/6.29 [2019-03-28 22:22:17,061 INFO L206 PostProcessor]: Analyzing one entry point: main 13.17/6.29 [2019-03-28 22:22:17,076 INFO L195 MainTranslator]: Completed translation 13.17/6.29 [2019-03-28 22:22:17,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:22:17 WrapperNode 13.17/6.29 [2019-03-28 22:22:17,076 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 13.17/6.29 [2019-03-28 22:22:17,077 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 13.17/6.29 [2019-03-28 22:22:17,077 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 13.17/6.29 [2019-03-28 22:22:17,078 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 13.17/6.29 [2019-03-28 22:22:17,141 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:22:17" (1/1) ... 13.17/6.29 [2019-03-28 22:22:17,147 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:22:17" (1/1) ... 13.17/6.29 [2019-03-28 22:22:17,166 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 13.17/6.29 [2019-03-28 22:22:17,166 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 13.17/6.29 [2019-03-28 22:22:17,166 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 13.17/6.29 [2019-03-28 22:22:17,166 INFO L276 PluginConnector]: Boogie Preprocessor initialized 13.17/6.29 [2019-03-28 22:22:17,176 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:22:17" (1/1) ... 13.17/6.29 [2019-03-28 22:22:17,176 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:22:17" (1/1) ... 13.17/6.29 [2019-03-28 22:22:17,176 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:22:17" (1/1) ... 13.17/6.29 [2019-03-28 22:22:17,177 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:22:17" (1/1) ... 13.17/6.29 [2019-03-28 22:22:17,178 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:22:17" (1/1) ... 13.17/6.29 [2019-03-28 22:22:17,183 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:22:17" (1/1) ... 13.17/6.29 [2019-03-28 22:22:17,184 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:22:17" (1/1) ... 13.17/6.29 [2019-03-28 22:22:17,185 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 13.17/6.29 [2019-03-28 22:22:17,185 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 13.17/6.29 [2019-03-28 22:22:17,186 INFO L271 PluginConnector]: Initializing RCFGBuilder... 13.17/6.29 [2019-03-28 22:22:17,186 INFO L276 PluginConnector]: RCFGBuilder initialized 13.17/6.29 [2019-03-28 22:22:17,187 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:22:17" (1/1) ... 13.17/6.29 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.17/6.29 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 13.17/6.29 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 13.17/6.29 [2019-03-28 22:22:17,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 13.17/6.29 [2019-03-28 22:22:17,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 13.17/6.29 [2019-03-28 22:22:17,372 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 13.17/6.29 [2019-03-28 22:22:17,373 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 13.17/6.29 [2019-03-28 22:22:17,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:22:17 BoogieIcfgContainer 13.17/6.29 [2019-03-28 22:22:17,398 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 13.17/6.29 [2019-03-28 22:22:17,399 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 13.17/6.29 [2019-03-28 22:22:17,399 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 13.17/6.29 [2019-03-28 22:22:17,401 INFO L276 PluginConnector]: BlockEncodingV2 initialized 13.17/6.29 [2019-03-28 22:22:17,402 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:22:17" (1/1) ... 13.17/6.29 [2019-03-28 22:22:17,416 INFO L313 BlockEncoder]: Initial Icfg 8 locations, 11 edges 13.17/6.29 [2019-03-28 22:22:17,418 INFO L258 BlockEncoder]: Using Remove infeasible edges 13.17/6.29 [2019-03-28 22:22:17,419 INFO L263 BlockEncoder]: Using Maximize final states 13.17/6.29 [2019-03-28 22:22:17,419 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 13.17/6.29 [2019-03-28 22:22:17,419 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 13.17/6.29 [2019-03-28 22:22:17,421 INFO L296 BlockEncoder]: Using Remove sink states 13.17/6.29 [2019-03-28 22:22:17,422 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 13.17/6.29 [2019-03-28 22:22:17,422 INFO L179 BlockEncoder]: Using Rewrite not-equals 13.17/6.29 [2019-03-28 22:22:17,437 INFO L185 BlockEncoder]: Using Use SBE 13.17/6.29 [2019-03-28 22:22:17,451 INFO L200 BlockEncoder]: SBE split 1 edges 13.17/6.29 [2019-03-28 22:22:17,455 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 13.17/6.29 [2019-03-28 22:22:17,457 INFO L71 MaximizeFinalStates]: 0 new accepting states 13.17/6.29 [2019-03-28 22:22:17,466 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding 13.17/6.29 [2019-03-28 22:22:17,468 INFO L70 RemoveSinkStates]: Removed 3 edges and 2 locations by removing sink states 13.17/6.29 [2019-03-28 22:22:17,469 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 13.17/6.29 [2019-03-28 22:22:17,470 INFO L71 MaximizeFinalStates]: 0 new accepting states 13.17/6.29 [2019-03-28 22:22:17,470 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 13.17/6.29 [2019-03-28 22:22:17,470 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 13.17/6.29 [2019-03-28 22:22:17,471 INFO L313 BlockEncoder]: Encoded RCFG 4 locations, 6 edges 13.17/6.29 [2019-03-28 22:22:17,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:22:17 BasicIcfg 13.17/6.29 [2019-03-28 22:22:17,471 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 13.17/6.29 [2019-03-28 22:22:17,472 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 13.17/6.29 [2019-03-28 22:22:17,472 INFO L271 PluginConnector]: Initializing TraceAbstraction... 13.17/6.29 [2019-03-28 22:22:17,475 INFO L276 PluginConnector]: TraceAbstraction initialized 13.17/6.29 [2019-03-28 22:22:17,476 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 10:22:16" (1/4) ... 13.17/6.29 [2019-03-28 22:22:17,476 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c8e7e70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:22:17, skipping insertion in model container 13.17/6.29 [2019-03-28 22:22:17,477 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:22:17" (2/4) ... 13.17/6.29 [2019-03-28 22:22:17,477 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c8e7e70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:22:17, skipping insertion in model container 13.17/6.29 [2019-03-28 22:22:17,477 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:22:17" (3/4) ... 13.17/6.29 [2019-03-28 22:22:17,478 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c8e7e70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:22:17, skipping insertion in model container 13.17/6.29 [2019-03-28 22:22:17,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:22:17" (4/4) ... 13.17/6.29 [2019-03-28 22:22:17,479 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 13.17/6.29 [2019-03-28 22:22:17,489 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 13.17/6.29 [2019-03-28 22:22:17,496 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 13.17/6.29 [2019-03-28 22:22:17,513 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 13.17/6.29 [2019-03-28 22:22:17,542 INFO L133 ementStrategyFactory]: Using default assertion order modulation 13.17/6.29 [2019-03-28 22:22:17,542 INFO L382 AbstractCegarLoop]: Interprodecural is true 13.17/6.29 [2019-03-28 22:22:17,543 INFO L383 AbstractCegarLoop]: Hoare is true 13.17/6.29 [2019-03-28 22:22:17,543 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 13.17/6.29 [2019-03-28 22:22:17,543 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 13.17/6.29 [2019-03-28 22:22:17,543 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 13.17/6.29 [2019-03-28 22:22:17,543 INFO L387 AbstractCegarLoop]: Difference is false 13.17/6.29 [2019-03-28 22:22:17,544 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 13.17/6.29 [2019-03-28 22:22:17,544 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 13.17/6.29 [2019-03-28 22:22:17,558 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states. 13.17/6.29 [2019-03-28 22:22:17,563 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 13.17/6.29 [2019-03-28 22:22:17,566 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. 13.17/6.29 [2019-03-28 22:22:17,615 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 13.17/6.29 [2019-03-28 22:22:17,615 INFO L451 ceAbstractionStarter]: At program point L13-1(lines 9 16) the Hoare annotation is: true 13.17/6.29 [2019-03-28 22:22:17,616 INFO L448 ceAbstractionStarter]: For program point L10(lines 10 12) no Hoare annotation was computed. 13.17/6.29 [2019-03-28 22:22:17,616 INFO L448 ceAbstractionStarter]: For program point L10-2(lines 9 16) no Hoare annotation was computed. 13.17/6.29 [2019-03-28 22:22:17,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:22:17 BasicIcfg 13.17/6.29 [2019-03-28 22:22:17,624 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 13.17/6.29 [2019-03-28 22:22:17,625 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 13.17/6.29 [2019-03-28 22:22:17,625 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 13.17/6.29 [2019-03-28 22:22:17,628 INFO L276 PluginConnector]: BuchiAutomizer initialized 13.17/6.29 [2019-03-28 22:22:17,629 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.17/6.29 [2019-03-28 22:22:17,629 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 10:22:16" (1/5) ... 13.17/6.29 [2019-03-28 22:22:17,630 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@171dd1c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:22:17, skipping insertion in model container 13.17/6.29 [2019-03-28 22:22:17,630 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.17/6.29 [2019-03-28 22:22:17,630 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:22:17" (2/5) ... 13.17/6.29 [2019-03-28 22:22:17,630 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@171dd1c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:22:17, skipping insertion in model container 13.17/6.29 [2019-03-28 22:22:17,630 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.17/6.29 [2019-03-28 22:22:17,630 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:22:17" (3/5) ... 13.17/6.29 [2019-03-28 22:22:17,631 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@171dd1c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:22:17, skipping insertion in model container 13.17/6.29 [2019-03-28 22:22:17,631 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.17/6.29 [2019-03-28 22:22:17,631 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:22:17" (4/5) ... 13.17/6.29 [2019-03-28 22:22:17,632 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@171dd1c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:22:17, skipping insertion in model container 13.17/6.29 [2019-03-28 22:22:17,632 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.17/6.29 [2019-03-28 22:22:17,632 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:22:17" (5/5) ... 13.17/6.29 [2019-03-28 22:22:17,633 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 13.17/6.29 [2019-03-28 22:22:17,661 INFO L133 ementStrategyFactory]: Using default assertion order modulation 13.17/6.29 [2019-03-28 22:22:17,662 INFO L374 BuchiCegarLoop]: Interprodecural is true 13.17/6.29 [2019-03-28 22:22:17,662 INFO L375 BuchiCegarLoop]: Hoare is true 13.17/6.29 [2019-03-28 22:22:17,662 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 13.17/6.29 [2019-03-28 22:22:17,662 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 13.17/6.29 [2019-03-28 22:22:17,662 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 13.17/6.29 [2019-03-28 22:22:17,662 INFO L379 BuchiCegarLoop]: Difference is false 13.17/6.29 [2019-03-28 22:22:17,663 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 13.17/6.29 [2019-03-28 22:22:17,663 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 13.17/6.29 [2019-03-28 22:22:17,666 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states. 13.17/6.29 [2019-03-28 22:22:17,685 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 13.17/6.29 [2019-03-28 22:22:17,685 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 13.17/6.29 [2019-03-28 22:22:17,686 INFO L119 BuchiIsEmpty]: Starting construction of run 13.17/6.29 [2019-03-28 22:22:17,691 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 13.17/6.29 [2019-03-28 22:22:17,691 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 13.17/6.29 [2019-03-28 22:22:17,691 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 13.17/6.29 [2019-03-28 22:22:17,692 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states. 13.17/6.29 [2019-03-28 22:22:17,692 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 13.17/6.29 [2019-03-28 22:22:17,692 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 13.17/6.29 [2019-03-28 22:22:17,693 INFO L119 BuchiIsEmpty]: Starting construction of run 13.17/6.29 [2019-03-28 22:22:17,693 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 13.17/6.29 [2019-03-28 22:22:17,693 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 13.17/6.29 [2019-03-28 22:22:17,698 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [32] ULTIMATE.startENTRY-->L13-1: Formula: (= v_ULTIMATE.start_main_~i~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~i~0] 5#L13-1true 13.17/6.29 [2019-03-28 22:22:17,699 INFO L796 eck$LassoCheckResult]: Loop: 5#L13-1true [35] L13-1-->L10: Formula: (and (<= v_ULTIMATE.start_main_~i~0_10 5) (<= 0 (+ v_ULTIMATE.start_main_~i~0_10 5))) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} AuxVars[] AssignedVars[] 3#L10true [42] L10-->L10-2: Formula: (>= 0 v_ULTIMATE.start_main_~i~0_13) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_13} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_13} AuxVars[] AssignedVars[] 6#L10-2true [38] L10-2-->L13-1: Formula: (and (< v_ULTIMATE.start_main_~i~0_7 0) (= v_ULTIMATE.start_main_~i~0_6 (+ v_ULTIMATE.start_main_~i~0_7 1))) 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_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 5#L13-1true 13.17/6.29 [2019-03-28 22:22:17,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.17/6.29 [2019-03-28 22:22:17,705 INFO L82 PathProgramCache]: Analyzing trace with hash 63, now seen corresponding path program 1 times 13.17/6.29 [2019-03-28 22:22:17,707 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.17/6.29 [2019-03-28 22:22:17,708 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.17/6.29 [2019-03-28 22:22:17,736 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.17/6.29 [2019-03-28 22:22:17,737 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.17/6.29 [2019-03-28 22:22:17,737 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.17/6.29 [2019-03-28 22:22:17,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.17/6.29 [2019-03-28 22:22:17,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.17/6.29 [2019-03-28 22:22:17,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.17/6.29 [2019-03-28 22:22:17,781 INFO L82 PathProgramCache]: Analyzing trace with hash 64766, now seen corresponding path program 1 times 13.17/6.29 [2019-03-28 22:22:17,781 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.17/6.29 [2019-03-28 22:22:17,781 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.17/6.29 [2019-03-28 22:22:17,783 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.17/6.29 [2019-03-28 22:22:17,783 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.17/6.29 [2019-03-28 22:22:17,783 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.17/6.29 [2019-03-28 22:22:17,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.17/6.29 [2019-03-28 22:22:17,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.17/6.29 [2019-03-28 22:22:17,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.17/6.29 [2019-03-28 22:22:17,795 INFO L82 PathProgramCache]: Analyzing trace with hash 1911808, now seen corresponding path program 1 times 13.17/6.29 [2019-03-28 22:22:17,796 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.17/6.29 [2019-03-28 22:22:17,796 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.17/6.29 [2019-03-28 22:22:17,797 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.17/6.29 [2019-03-28 22:22:17,798 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.17/6.29 [2019-03-28 22:22:17,798 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.17/6.29 [2019-03-28 22:22:17,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.17/6.29 [2019-03-28 22:22:17,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.17/6.29 [2019-03-28 22:22:17,866 INFO L216 LassoAnalysis]: Preferences: 13.17/6.29 [2019-03-28 22:22:17,867 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 13.17/6.29 [2019-03-28 22:22:17,868 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 13.17/6.29 [2019-03-28 22:22:17,868 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 13.17/6.29 [2019-03-28 22:22:17,868 INFO L127 ssoRankerPreferences]: Use exernal solver: true 13.17/6.29 [2019-03-28 22:22:17,868 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.17/6.29 [2019-03-28 22:22:17,868 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 13.17/6.29 [2019-03-28 22:22:17,868 INFO L130 ssoRankerPreferences]: Path of dumped script: 13.17/6.29 [2019-03-28 22:22:17,869 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 13.17/6.29 [2019-03-28 22:22:17,869 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 13.17/6.29 [2019-03-28 22:22:17,869 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 13.17/6.29 [2019-03-28 22:22:17,888 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.17/6.29 [2019-03-28 22:22:17,906 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.17/6.29 [2019-03-28 22:22:17,914 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.17/6.29 [2019-03-28 22:22:17,979 INFO L300 LassoAnalysis]: Preprocessing complete. 13.17/6.29 [2019-03-28 22:22:17,980 INFO L412 LassoAnalysis]: Checking for nontermination... 13.17/6.29 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.17/6.29 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.17/6.29 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.17/6.29 [2019-03-28 22:22:17,985 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.17/6.29 [2019-03-28 22:22:17,986 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.17/6.29 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.17/6.29 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.17/6.29 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.17/6.29 [2019-03-28 22:22:18,018 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 13.17/6.29 [2019-03-28 22:22:18,019 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.17/6.29 [2019-03-28 22:22:18,027 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 13.17/6.29 [2019-03-28 22:22:18,053 INFO L216 LassoAnalysis]: Preferences: 13.17/6.29 [2019-03-28 22:22:18,053 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 13.17/6.29 [2019-03-28 22:22:18,053 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 13.17/6.29 [2019-03-28 22:22:18,053 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 13.17/6.29 [2019-03-28 22:22:18,053 INFO L127 ssoRankerPreferences]: Use exernal solver: false 13.17/6.29 [2019-03-28 22:22:18,053 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 13.17/6.29 [2019-03-28 22:22:18,053 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 13.17/6.29 [2019-03-28 22:22:18,054 INFO L130 ssoRankerPreferences]: Path of dumped script: 13.17/6.29 [2019-03-28 22:22:18,054 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 13.17/6.29 [2019-03-28 22:22:18,054 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 13.17/6.29 [2019-03-28 22:22:18,054 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 13.17/6.29 [2019-03-28 22:22:18,056 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.17/6.29 [2019-03-28 22:22:18,066 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.17/6.29 [2019-03-28 22:22:18,070 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.17/6.29 [2019-03-28 22:22:18,128 INFO L300 LassoAnalysis]: Preprocessing complete. 13.17/6.29 [2019-03-28 22:22:18,134 INFO L497 LassoAnalysis]: Using template 'affine'. 13.17/6.29 [2019-03-28 22:22:18,136 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 13.17/6.29 Termination analysis: LINEAR_WITH_GUESSES 13.17/6.29 Number of strict supporting invariants: 0 13.17/6.29 Number of non-strict supporting invariants: 1 13.17/6.29 Consider only non-deceasing supporting invariants: true 13.17/6.29 Simplify termination arguments: true 13.17/6.29 Simplify supporting invariants: trueOverapproximate stem: false 13.17/6.29 [2019-03-28 22:22:18,137 INFO L339 nArgumentSynthesizer]: Template has degree 0. 13.17/6.29 [2019-03-28 22:22:18,138 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 13.17/6.29 [2019-03-28 22:22:18,138 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 13.17/6.29 [2019-03-28 22:22:18,138 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 13.17/6.29 [2019-03-28 22:22:18,139 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 13.17/6.29 [2019-03-28 22:22:18,141 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 13.17/6.29 [2019-03-28 22:22:18,141 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 13.17/6.29 [2019-03-28 22:22:18,151 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 13.17/6.29 [2019-03-28 22:22:18,158 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 13.17/6.29 [2019-03-28 22:22:18,158 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. 13.17/6.29 [2019-03-28 22:22:18,160 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 13.17/6.29 [2019-03-28 22:22:18,160 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 13.17/6.29 [2019-03-28 22:22:18,161 INFO L518 LassoAnalysis]: Proved termination. 13.17/6.29 [2019-03-28 22:22:18,162 INFO L520 LassoAnalysis]: Termination argument consisting of: 13.17/6.29 Ranking function f(ULTIMATE.start_main_~i~0) = -1*ULTIMATE.start_main_~i~0 13.17/6.29 Supporting invariants [] 13.17/6.29 [2019-03-28 22:22:18,163 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 13.17/6.29 [2019-03-28 22:22:18,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.17/6.29 [2019-03-28 22:22:18,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 13.17/6.29 [2019-03-28 22:22:18,205 WARN L254 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjunts are in the unsatisfiable core 13.17/6.29 [2019-03-28 22:22:18,207 INFO L279 TraceCheckSpWp]: Computing forward predicates... 13.17/6.29 [2019-03-28 22:22:18,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 13.17/6.29 [2019-03-28 22:22:18,219 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core 13.17/6.29 [2019-03-28 22:22:18,220 INFO L279 TraceCheckSpWp]: Computing forward predicates... 13.17/6.29 [2019-03-28 22:22:18,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 13.17/6.29 [2019-03-28 22:22:18,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 13.17/6.29 [2019-03-28 22:22:18,267 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core 13.17/6.29 [2019-03-28 22:22:18,268 INFO L279 TraceCheckSpWp]: Computing forward predicates... 13.17/6.29 [2019-03-28 22:22:18,308 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 4 predicates after loop cannibalization 13.17/6.29 [2019-03-28 22:22:18,313 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 4 loop predicates 13.17/6.29 [2019-03-28 22:22:18,315 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 4 states. Second operand 4 states. 13.17/6.29 [2019-03-28 22:22:18,399 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 4 states.. Second operand 4 states. Result 18 states and 27 transitions. Complement of second has 8 states. 13.17/6.29 [2019-03-28 22:22:18,399 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 13.17/6.29 [2019-03-28 22:22:18,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. 13.17/6.29 [2019-03-28 22:22:18,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 20 transitions. 13.17/6.29 [2019-03-28 22:22:18,404 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 20 transitions. Stem has 1 letters. Loop has 3 letters. 13.17/6.29 [2019-03-28 22:22:18,405 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.17/6.29 [2019-03-28 22:22:18,405 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 20 transitions. Stem has 4 letters. Loop has 3 letters. 13.17/6.29 [2019-03-28 22:22:18,406 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.17/6.29 [2019-03-28 22:22:18,406 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 20 transitions. Stem has 1 letters. Loop has 6 letters. 13.17/6.29 [2019-03-28 22:22:18,406 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.17/6.29 [2019-03-28 22:22:18,412 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 27 transitions. 13.17/6.29 [2019-03-28 22:22:18,414 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 13.17/6.29 [2019-03-28 22:22:18,418 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 15 states and 21 transitions. 13.17/6.29 [2019-03-28 22:22:18,419 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 13.17/6.29 [2019-03-28 22:22:18,419 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 13.17/6.29 [2019-03-28 22:22:18,420 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 21 transitions. 13.17/6.29 [2019-03-28 22:22:18,420 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 13.17/6.29 [2019-03-28 22:22:18,420 INFO L706 BuchiCegarLoop]: Abstraction has 15 states and 21 transitions. 13.17/6.29 [2019-03-28 22:22:18,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 21 transitions. 13.17/6.29 [2019-03-28 22:22:18,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 13. 13.17/6.29 [2019-03-28 22:22:18,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. 13.17/6.29 [2019-03-28 22:22:18,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 19 transitions. 13.17/6.29 [2019-03-28 22:22:18,450 INFO L729 BuchiCegarLoop]: Abstraction has 13 states and 19 transitions. 13.17/6.29 [2019-03-28 22:22:18,451 INFO L609 BuchiCegarLoop]: Abstraction has 13 states and 19 transitions. 13.17/6.29 [2019-03-28 22:22:18,451 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 13.17/6.29 [2019-03-28 22:22:18,451 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 19 transitions. 13.17/6.29 [2019-03-28 22:22:18,452 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 13.17/6.29 [2019-03-28 22:22:18,452 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 13.17/6.29 [2019-03-28 22:22:18,452 INFO L119 BuchiIsEmpty]: Starting construction of run 13.17/6.29 [2019-03-28 22:22:18,452 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] 13.17/6.29 [2019-03-28 22:22:18,452 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 13.17/6.29 [2019-03-28 22:22:18,453 INFO L794 eck$LassoCheckResult]: Stem: 80#ULTIMATE.startENTRY [32] ULTIMATE.startENTRY-->L13-1: Formula: (= v_ULTIMATE.start_main_~i~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~i~0] 81#L13-1 [35] L13-1-->L10: Formula: (and (<= v_ULTIMATE.start_main_~i~0_10 5) (<= 0 (+ v_ULTIMATE.start_main_~i~0_10 5))) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} AuxVars[] AssignedVars[] 87#L10 [42] L10-->L10-2: Formula: (>= 0 v_ULTIMATE.start_main_~i~0_13) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_13} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_13} AuxVars[] AssignedVars[] 77#L10-2 13.17/6.29 [2019-03-28 22:22:18,453 INFO L796 eck$LassoCheckResult]: Loop: 77#L10-2 [43] L10-2-->L13-1: Formula: (>= v_ULTIMATE.start_main_~i~0_8 0) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8} AuxVars[] AssignedVars[] 82#L13-1 [35] L13-1-->L10: Formula: (and (<= v_ULTIMATE.start_main_~i~0_10 5) (<= 0 (+ v_ULTIMATE.start_main_~i~0_10 5))) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} AuxVars[] AssignedVars[] 76#L10 [42] L10-->L10-2: Formula: (>= 0 v_ULTIMATE.start_main_~i~0_13) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_13} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_13} AuxVars[] AssignedVars[] 77#L10-2 13.17/6.29 [2019-03-28 22:22:18,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.17/6.29 [2019-03-28 22:22:18,454 INFO L82 PathProgramCache]: Analyzing trace with hash 61670, now seen corresponding path program 1 times 13.17/6.29 [2019-03-28 22:22:18,454 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.17/6.29 [2019-03-28 22:22:18,454 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.17/6.29 [2019-03-28 22:22:18,455 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.17/6.29 [2019-03-28 22:22:18,456 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.17/6.29 [2019-03-28 22:22:18,456 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.17/6.29 [2019-03-28 22:22:18,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.17/6.29 [2019-03-28 22:22:18,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.17/6.29 [2019-03-28 22:22:18,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.17/6.29 [2019-03-28 22:22:18,461 INFO L82 PathProgramCache]: Analyzing trace with hash 72241, now seen corresponding path program 1 times 13.17/6.29 [2019-03-28 22:22:18,462 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.17/6.29 [2019-03-28 22:22:18,462 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.17/6.29 [2019-03-28 22:22:18,463 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.17/6.29 [2019-03-28 22:22:18,463 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.17/6.29 [2019-03-28 22:22:18,463 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.17/6.29 [2019-03-28 22:22:18,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.17/6.29 [2019-03-28 22:22:18,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.17/6.29 [2019-03-28 22:22:18,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.17/6.29 [2019-03-28 22:22:18,469 INFO L82 PathProgramCache]: Analyzing trace with hash 1837253420, now seen corresponding path program 1 times 13.17/6.29 [2019-03-28 22:22:18,469 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.17/6.29 [2019-03-28 22:22:18,469 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.17/6.29 [2019-03-28 22:22:18,470 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.17/6.29 [2019-03-28 22:22:18,470 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.17/6.29 [2019-03-28 22:22:18,471 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.17/6.29 [2019-03-28 22:22:18,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.17/6.29 [2019-03-28 22:22:18,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.17/6.29 [2019-03-28 22:22:18,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:22:18 BasicIcfg 13.17/6.29 [2019-03-28 22:22:18,552 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 13.17/6.29 [2019-03-28 22:22:18,552 INFO L168 Benchmark]: Toolchain (without parser) took 1699.26 ms. Allocated memory was 649.6 MB in the beginning and 676.3 MB in the end (delta: 26.7 MB). Free memory was 566.0 MB in the beginning and 523.0 MB in the end (delta: 43.1 MB). Peak memory consumption was 69.8 MB. Max. memory is 50.3 GB. 13.17/6.29 [2019-03-28 22:22:18,554 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 585.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 13.17/6.29 [2019-03-28 22:22:18,555 INFO L168 Benchmark]: CACSL2BoogieTranslator took 221.93 ms. Allocated memory is still 649.6 MB. Free memory was 566.0 MB in the beginning and 556.6 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 13.17/6.29 [2019-03-28 22:22:18,556 INFO L168 Benchmark]: Boogie Procedure Inliner took 88.69 ms. Allocated memory was 649.6 MB in the beginning and 676.3 MB in the end (delta: 26.7 MB). Free memory was 556.6 MB in the beginning and 642.1 MB in the end (delta: -85.5 MB). Peak memory consumption was 20.4 MB. Max. memory is 50.3 GB. 13.17/6.29 [2019-03-28 22:22:18,557 INFO L168 Benchmark]: Boogie Preprocessor took 18.92 ms. Allocated memory is still 676.3 MB. Free memory was 642.1 MB in the beginning and 640.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 13.17/6.29 [2019-03-28 22:22:18,558 INFO L168 Benchmark]: RCFGBuilder took 213.18 ms. Allocated memory is still 676.3 MB. Free memory was 640.8 MB in the beginning and 627.9 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 50.3 GB. 13.17/6.29 [2019-03-28 22:22:18,559 INFO L168 Benchmark]: BlockEncodingV2 took 72.40 ms. Allocated memory is still 676.3 MB. Free memory was 627.9 MB in the beginning and 622.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 13.17/6.29 [2019-03-28 22:22:18,559 INFO L168 Benchmark]: TraceAbstraction took 151.93 ms. Allocated memory is still 676.3 MB. Free memory was 622.5 MB in the beginning and 613.0 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 50.3 GB. 13.17/6.29 [2019-03-28 22:22:18,560 INFO L168 Benchmark]: BuchiAutomizer took 927.08 ms. Allocated memory is still 676.3 MB. Free memory was 613.0 MB in the beginning and 523.0 MB in the end (delta: 90.0 MB). Peak memory consumption was 90.0 MB. Max. memory is 50.3 GB. 13.17/6.29 [2019-03-28 22:22:18,564 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 13.17/6.29 --- Results --- 13.17/6.29 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 13.17/6.29 - StatisticsResult: Initial Icfg 13.17/6.29 8 locations, 11 edges 13.17/6.29 - StatisticsResult: Encoded RCFG 13.17/6.29 4 locations, 6 edges 13.17/6.29 * Results from de.uni_freiburg.informatik.ultimate.core: 13.17/6.29 - StatisticsResult: Toolchain Benchmarks 13.17/6.29 Benchmark results are: 13.17/6.29 * CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 585.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 13.17/6.29 * CACSL2BoogieTranslator took 221.93 ms. Allocated memory is still 649.6 MB. Free memory was 566.0 MB in the beginning and 556.6 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 13.17/6.29 * Boogie Procedure Inliner took 88.69 ms. Allocated memory was 649.6 MB in the beginning and 676.3 MB in the end (delta: 26.7 MB). Free memory was 556.6 MB in the beginning and 642.1 MB in the end (delta: -85.5 MB). Peak memory consumption was 20.4 MB. Max. memory is 50.3 GB. 13.17/6.29 * Boogie Preprocessor took 18.92 ms. Allocated memory is still 676.3 MB. Free memory was 642.1 MB in the beginning and 640.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 13.17/6.29 * RCFGBuilder took 213.18 ms. Allocated memory is still 676.3 MB. Free memory was 640.8 MB in the beginning and 627.9 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 50.3 GB. 13.17/6.29 * BlockEncodingV2 took 72.40 ms. Allocated memory is still 676.3 MB. Free memory was 627.9 MB in the beginning and 622.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 13.17/6.29 * TraceAbstraction took 151.93 ms. Allocated memory is still 676.3 MB. Free memory was 622.5 MB in the beginning and 613.0 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 50.3 GB. 13.17/6.29 * BuchiAutomizer took 927.08 ms. Allocated memory is still 676.3 MB. Free memory was 613.0 MB in the beginning and 523.0 MB in the end (delta: 90.0 MB). Peak memory consumption was 90.0 MB. Max. memory is 50.3 GB. 13.17/6.29 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 13.17/6.29 - AllSpecificationsHoldResult: All specifications hold 13.17/6.29 We were not able to verify any specifiation because the program does not contain any specification. 13.17/6.29 - InvariantResult [Line: 9]: Loop Invariant 13.17/6.29 Derived loop invariant: 1 13.17/6.29 - StatisticsResult: Ultimate Automizer benchmark data 13.17/6.29 CFG has 1 procedures, 4 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 13.17/6.29 - StatisticsResult: Constructed decomposition of program 13.17/6.29 Your program was decomposed into 1 terminating modules (0 trivial, 0 deterministic, 1 nondeterministic) and one nonterminating remainder module.One nondeterministic module has affine ranking function -1 * i and consists of 6 locations. The remainder module has 13 locations. 13.17/6.29 - StatisticsResult: Timing statistics 13.17/6.29 BüchiAutomizer plugin needed 0.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 0. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 13 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 4 SDtfs, 11 SDslu, 0 SDs, 0 SdLazy, 30 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital15 mio100 ax179 hnf100 lsp55 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq139 hnf95 smp100 dnf100 smp100 tf110 neg100 sie109 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 26ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s 13.17/6.29 - TerminationAnalysisResult: Nontermination possible 13.17/6.29 Buchi Automizer proved that your program is nonterminating for some inputs 13.17/6.29 - FixpointNonTerminationResult [Line: 13]: Nontermination argument in form of an infinite program execution. 13.17/6.29 Nontermination argument in form of an infinite execution 13.17/6.29 State at position 0 is 13.17/6.29 {} 13.17/6.29 State at position 1 is 13.17/6.29 {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@372e70c7=0, \result=0, i=0} 13.17/6.29 - StatisticsResult: NonterminationArgumentStatistics 13.17/6.29 Fixpoint 13.17/6.29 - NonterminatingLassoResult [Line: 9]: Nonterminating execution 13.17/6.29 Found a nonterminating execution for the following lasso shaped sequence of statements. 13.17/6.29 Stem: 13.17/6.29 [L6] int i; 13.17/6.29 [L7] i = __VERIFIER_nondet_int() 13.17/6.29 [L9] COND TRUE i >= -5 && i <= 5 13.17/6.29 [L10] COND FALSE !(i > 0) 13.17/6.29 Loop: 13.17/6.29 [L13] COND FALSE !(i < 0) 13.17/6.29 [L9] COND TRUE i >= -5 && i <= 5 13.17/6.29 [L10] COND FALSE !(i > 0) 13.17/6.29 End of lasso representation. 13.17/6.29 RESULT: Ultimate proved your program to be incorrect! 13.17/6.29 !SESSION 2019-03-28 22:22:13.535 ----------------------------------------------- 13.17/6.29 eclipse.buildId=unknown 13.17/6.29 java.version=1.8.0_181 13.17/6.29 java.vendor=Oracle Corporation 13.17/6.29 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 13.17/6.29 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 13.17/6.29 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 13.17/6.29 13.17/6.29 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 22:22:18.803 13.17/6.29 !MESSAGE The workspace will exit with unsaved changes in this session. 13.17/6.29 Received shutdown request... 13.17/6.29 Ultimate: 13.17/6.29 GTK+ Version Check 13.17/6.29 EOF