12.88/6.35 NO 12.88/6.35 12.88/6.35 Ultimate: Cannot open display: 12.88/6.35 This is Ultimate 0.1.24-8dc7c08-m 12.88/6.35 [2019-03-28 12:27:00,789 INFO L170 SettingsManager]: Resetting all preferences to default values... 12.88/6.35 [2019-03-28 12:27:00,791 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 12.88/6.35 [2019-03-28 12:27:00,802 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 12.88/6.35 [2019-03-28 12:27:00,803 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 12.88/6.35 [2019-03-28 12:27:00,804 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 12.88/6.35 [2019-03-28 12:27:00,805 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 12.88/6.35 [2019-03-28 12:27:00,807 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 12.88/6.35 [2019-03-28 12:27:00,808 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 12.88/6.35 [2019-03-28 12:27:00,809 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 12.88/6.35 [2019-03-28 12:27:00,810 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 12.88/6.35 [2019-03-28 12:27:00,810 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 12.88/6.35 [2019-03-28 12:27:00,811 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 12.88/6.35 [2019-03-28 12:27:00,812 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 12.88/6.35 [2019-03-28 12:27:00,813 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 12.88/6.35 [2019-03-28 12:27:00,814 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 12.88/6.35 [2019-03-28 12:27:00,814 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 12.88/6.35 [2019-03-28 12:27:00,816 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 12.88/6.35 [2019-03-28 12:27:00,818 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 12.88/6.35 [2019-03-28 12:27:00,820 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 12.88/6.35 [2019-03-28 12:27:00,821 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 12.88/6.35 [2019-03-28 12:27:00,822 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 12.88/6.35 [2019-03-28 12:27:00,824 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 12.88/6.35 [2019-03-28 12:27:00,824 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 12.88/6.35 [2019-03-28 12:27:00,824 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 12.88/6.35 [2019-03-28 12:27:00,825 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 12.88/6.35 [2019-03-28 12:27:00,825 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 12.88/6.35 [2019-03-28 12:27:00,826 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 12.88/6.35 [2019-03-28 12:27:00,826 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 12.88/6.35 [2019-03-28 12:27:00,827 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 12.88/6.35 [2019-03-28 12:27:00,828 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 12.88/6.35 [2019-03-28 12:27:00,829 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 12.88/6.35 [2019-03-28 12:27:00,830 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 12.88/6.35 [2019-03-28 12:27:00,830 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 12.88/6.35 [2019-03-28 12:27:00,830 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 12.88/6.35 [2019-03-28 12:27:00,831 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 12.88/6.35 [2019-03-28 12:27:00,831 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 12.88/6.35 [2019-03-28 12:27:00,832 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 12.88/6.35 [2019-03-28 12:27:00,832 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 12.88/6.35 [2019-03-28 12:27:00,833 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 12.88/6.35 [2019-03-28 12:27:00,847 INFO L110 SettingsManager]: Loading preferences was successful 12.88/6.35 [2019-03-28 12:27:00,847 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 12.88/6.35 [2019-03-28 12:27:00,849 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 12.88/6.35 [2019-03-28 12:27:00,849 INFO L133 SettingsManager]: * Rewrite not-equals=true 12.88/6.35 [2019-03-28 12:27:00,849 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 12.88/6.35 [2019-03-28 12:27:00,849 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 12.88/6.35 [2019-03-28 12:27:00,849 INFO L133 SettingsManager]: * Use SBE=true 12.88/6.35 [2019-03-28 12:27:00,850 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 12.88/6.35 [2019-03-28 12:27:00,850 INFO L133 SettingsManager]: * Use old map elimination=false 12.88/6.35 [2019-03-28 12:27:00,850 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 12.88/6.35 [2019-03-28 12:27:00,850 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 12.88/6.35 [2019-03-28 12:27:00,850 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 12.88/6.35 [2019-03-28 12:27:00,851 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 12.88/6.35 [2019-03-28 12:27:00,851 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 12.88/6.35 [2019-03-28 12:27:00,851 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 12.88/6.35 [2019-03-28 12:27:00,851 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 12.88/6.35 [2019-03-28 12:27:00,851 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 12.88/6.35 [2019-03-28 12:27:00,852 INFO L133 SettingsManager]: * Check division by zero=IGNORE 12.88/6.35 [2019-03-28 12:27:00,852 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 12.88/6.35 [2019-03-28 12:27:00,852 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 12.88/6.35 [2019-03-28 12:27:00,852 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 12.88/6.35 [2019-03-28 12:27:00,852 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 12.88/6.35 [2019-03-28 12:27:00,853 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 12.88/6.35 [2019-03-28 12:27:00,853 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 12.88/6.35 [2019-03-28 12:27:00,853 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 12.88/6.35 [2019-03-28 12:27:00,853 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 12.88/6.35 [2019-03-28 12:27:00,853 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 12.88/6.35 [2019-03-28 12:27:00,854 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 12.88/6.35 [2019-03-28 12:27:00,854 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 12.88/6.35 [2019-03-28 12:27:00,881 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 12.88/6.35 [2019-03-28 12:27:00,894 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 12.88/6.35 [2019-03-28 12:27:00,898 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 12.88/6.35 [2019-03-28 12:27:00,899 INFO L271 PluginConnector]: Initializing CDTParser... 12.88/6.35 [2019-03-28 12:27:00,900 INFO L276 PluginConnector]: CDTParser initialized 12.88/6.35 [2019-03-28 12:27:00,900 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 12.88/6.35 [2019-03-28 12:27:00,959 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/a96f68f6dc0c46a788c8c4ad08763351/FLAG1fbf01ca5 12.88/6.35 [2019-03-28 12:27:01,308 INFO L307 CDTParser]: Found 1 translation units. 12.88/6.35 [2019-03-28 12:27:01,309 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 12.88/6.35 [2019-03-28 12:27:01,316 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/a96f68f6dc0c46a788c8c4ad08763351/FLAG1fbf01ca5 12.88/6.35 [2019-03-28 12:27:01,734 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/a96f68f6dc0c46a788c8c4ad08763351 12.88/6.35 [2019-03-28 12:27:01,745 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 12.88/6.35 [2019-03-28 12:27:01,747 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 12.88/6.35 [2019-03-28 12:27:01,748 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 12.88/6.35 [2019-03-28 12:27:01,748 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 12.88/6.35 [2019-03-28 12:27:01,752 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 12.88/6.35 [2019-03-28 12:27:01,753 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:27:01" (1/1) ... 12.88/6.35 [2019-03-28 12:27:01,756 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f556a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:27:01, skipping insertion in model container 12.88/6.35 [2019-03-28 12:27:01,757 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:27:01" (1/1) ... 12.88/6.35 [2019-03-28 12:27:01,764 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 12.88/6.35 [2019-03-28 12:27:01,781 INFO L176 MainTranslator]: Built tables and reachable declarations 12.88/6.35 [2019-03-28 12:27:01,939 INFO L206 PostProcessor]: Analyzing one entry point: main 12.88/6.35 [2019-03-28 12:27:01,943 INFO L191 MainTranslator]: Completed pre-run 12.88/6.35 [2019-03-28 12:27:01,963 INFO L206 PostProcessor]: Analyzing one entry point: main 12.88/6.35 [2019-03-28 12:27:02,040 INFO L195 MainTranslator]: Completed translation 12.88/6.35 [2019-03-28 12:27:02,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:27:02 WrapperNode 12.88/6.35 [2019-03-28 12:27:02,041 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 12.88/6.35 [2019-03-28 12:27:02,042 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 12.88/6.35 [2019-03-28 12:27:02,042 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 12.88/6.35 [2019-03-28 12:27:02,042 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 12.88/6.35 [2019-03-28 12:27:02,052 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:27:02" (1/1) ... 12.88/6.35 [2019-03-28 12:27:02,060 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:27:02" (1/1) ... 12.88/6.35 [2019-03-28 12:27:02,081 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 12.88/6.35 [2019-03-28 12:27:02,081 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 12.88/6.35 [2019-03-28 12:27:02,081 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 12.88/6.35 [2019-03-28 12:27:02,081 INFO L276 PluginConnector]: Boogie Preprocessor initialized 12.88/6.35 [2019-03-28 12:27:02,091 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:27:02" (1/1) ... 12.88/6.35 [2019-03-28 12:27:02,091 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:27:02" (1/1) ... 12.88/6.35 [2019-03-28 12:27:02,092 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:27:02" (1/1) ... 12.88/6.35 [2019-03-28 12:27:02,093 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:27:02" (1/1) ... 12.88/6.35 [2019-03-28 12:27:02,097 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:27:02" (1/1) ... 12.88/6.35 [2019-03-28 12:27:02,102 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:27:02" (1/1) ... 12.88/6.35 [2019-03-28 12:27:02,103 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:27:02" (1/1) ... 12.88/6.35 [2019-03-28 12:27:02,104 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 12.88/6.35 [2019-03-28 12:27:02,105 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 12.88/6.35 [2019-03-28 12:27:02,105 INFO L271 PluginConnector]: Initializing RCFGBuilder... 12.88/6.35 [2019-03-28 12:27:02,105 INFO L276 PluginConnector]: RCFGBuilder initialized 12.88/6.35 [2019-03-28 12:27:02,106 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:27:02" (1/1) ... 12.88/6.35 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 12.88/6.35 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 12.88/6.35 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 12.88/6.35 [2019-03-28 12:27:02,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~int 12.88/6.35 [2019-03-28 12:27:02,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 12.88/6.35 [2019-03-28 12:27:02,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 12.88/6.35 [2019-03-28 12:27:02,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~int 12.88/6.35 [2019-03-28 12:27:02,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack 12.88/6.35 [2019-03-28 12:27:02,168 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc 12.88/6.35 [2019-03-28 12:27:02,343 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 12.88/6.35 [2019-03-28 12:27:02,344 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 12.88/6.35 [2019-03-28 12:27:02,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:27:02 BoogieIcfgContainer 12.88/6.35 [2019-03-28 12:27:02,345 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 12.88/6.35 [2019-03-28 12:27:02,346 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 12.88/6.35 [2019-03-28 12:27:02,346 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 12.88/6.35 [2019-03-28 12:27:02,348 INFO L276 PluginConnector]: BlockEncodingV2 initialized 12.88/6.35 [2019-03-28 12:27:02,349 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:27:02" (1/1) ... 12.88/6.35 [2019-03-28 12:27:02,365 INFO L313 BlockEncoder]: Initial Icfg 21 locations, 22 edges 12.88/6.35 [2019-03-28 12:27:02,366 INFO L258 BlockEncoder]: Using Remove infeasible edges 12.88/6.35 [2019-03-28 12:27:02,367 INFO L263 BlockEncoder]: Using Maximize final states 12.88/6.35 [2019-03-28 12:27:02,368 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 12.88/6.35 [2019-03-28 12:27:02,368 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 12.88/6.35 [2019-03-28 12:27:02,370 INFO L296 BlockEncoder]: Using Remove sink states 12.88/6.35 [2019-03-28 12:27:02,371 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 12.88/6.35 [2019-03-28 12:27:02,371 INFO L179 BlockEncoder]: Using Rewrite not-equals 12.88/6.35 [2019-03-28 12:27:02,391 INFO L185 BlockEncoder]: Using Use SBE 12.88/6.35 [2019-03-28 12:27:02,411 INFO L200 BlockEncoder]: SBE split 9 edges 12.88/6.35 [2019-03-28 12:27:02,416 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 12.88/6.35 [2019-03-28 12:27:02,418 INFO L71 MaximizeFinalStates]: 0 new accepting states 12.88/6.35 [2019-03-28 12:27:02,442 INFO L100 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding 12.88/6.35 [2019-03-28 12:27:02,445 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 12.88/6.35 [2019-03-28 12:27:02,448 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 12.88/6.35 [2019-03-28 12:27:02,449 INFO L71 MaximizeFinalStates]: 0 new accepting states 12.88/6.35 [2019-03-28 12:27:02,456 INFO L100 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding 12.88/6.35 [2019-03-28 12:27:02,456 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 12.88/6.35 [2019-03-28 12:27:02,457 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 12.88/6.35 [2019-03-28 12:27:02,457 INFO L71 MaximizeFinalStates]: 0 new accepting states 12.88/6.35 [2019-03-28 12:27:02,457 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 12.88/6.35 [2019-03-28 12:27:02,458 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 12.88/6.35 [2019-03-28 12:27:02,458 INFO L313 BlockEncoder]: Encoded RCFG 14 locations, 23 edges 12.88/6.35 [2019-03-28 12:27:02,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:27:02 BasicIcfg 12.88/6.35 [2019-03-28 12:27:02,459 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 12.88/6.35 [2019-03-28 12:27:02,460 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 12.88/6.35 [2019-03-28 12:27:02,460 INFO L271 PluginConnector]: Initializing TraceAbstraction... 12.88/6.35 [2019-03-28 12:27:02,463 INFO L276 PluginConnector]: TraceAbstraction initialized 12.88/6.35 [2019-03-28 12:27:02,464 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 12:27:01" (1/4) ... 12.88/6.35 [2019-03-28 12:27:02,465 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77cd25c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:27:02, skipping insertion in model container 12.88/6.35 [2019-03-28 12:27:02,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:27:02" (2/4) ... 12.88/6.35 [2019-03-28 12:27:02,465 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77cd25c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:27:02, skipping insertion in model container 12.88/6.35 [2019-03-28 12:27:02,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:27:02" (3/4) ... 12.88/6.35 [2019-03-28 12:27:02,466 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77cd25c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:27:02, skipping insertion in model container 12.88/6.35 [2019-03-28 12:27:02,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:27:02" (4/4) ... 12.88/6.35 [2019-03-28 12:27:02,468 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 12.88/6.35 [2019-03-28 12:27:02,478 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 12.88/6.35 [2019-03-28 12:27:02,485 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 8 error locations. 12.88/6.35 [2019-03-28 12:27:02,503 INFO L257 AbstractCegarLoop]: Starting to check reachability of 8 error locations. 12.88/6.35 [2019-03-28 12:27:02,532 INFO L133 ementStrategyFactory]: Using default assertion order modulation 12.88/6.35 [2019-03-28 12:27:02,533 INFO L382 AbstractCegarLoop]: Interprodecural is true 12.88/6.35 [2019-03-28 12:27:02,533 INFO L383 AbstractCegarLoop]: Hoare is true 12.88/6.35 [2019-03-28 12:27:02,533 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 12.88/6.35 [2019-03-28 12:27:02,533 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 12.88/6.35 [2019-03-28 12:27:02,533 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 12.88/6.35 [2019-03-28 12:27:02,533 INFO L387 AbstractCegarLoop]: Difference is false 12.88/6.35 [2019-03-28 12:27:02,534 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 12.88/6.35 [2019-03-28 12:27:02,534 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 12.88/6.35 [2019-03-28 12:27:02,548 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states. 12.88/6.35 [2019-03-28 12:27:02,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 12.88/6.35 [2019-03-28 12:27:02,555 INFO L394 BasicCegarLoop]: Found error trace 12.88/6.35 [2019-03-28 12:27:02,555 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1] 12.88/6.35 [2019-03-28 12:27:02,556 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION]=== 12.88/6.35 [2019-03-28 12:27:02,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 12.88/6.35 [2019-03-28 12:27:02,561 INFO L82 PathProgramCache]: Analyzing trace with hash 75118, now seen corresponding path program 1 times 12.88/6.35 [2019-03-28 12:27:02,563 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 12.88/6.35 [2019-03-28 12:27:02,564 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 12.88/6.35 [2019-03-28 12:27:02,616 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.88/6.35 [2019-03-28 12:27:02,617 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 12.88/6.35 [2019-03-28 12:27:02,617 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.88/6.35 [2019-03-28 12:27:02,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 12.88/6.35 [2019-03-28 12:27:02,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 12.88/6.35 [2019-03-28 12:27:02,721 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 12.88/6.35 [2019-03-28 12:27:02,721 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 12.88/6.35 [2019-03-28 12:27:02,725 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states 12.88/6.35 [2019-03-28 12:27:02,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. 12.88/6.35 [2019-03-28 12:27:02,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 12.88/6.35 [2019-03-28 12:27:02,742 INFO L87 Difference]: Start difference. First operand 14 states. Second operand 3 states. 12.88/6.35 [2019-03-28 12:27:02,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 12.88/6.35 [2019-03-28 12:27:02,825 INFO L93 Difference]: Finished difference Result 14 states and 23 transitions. 12.88/6.35 [2019-03-28 12:27:02,826 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 12.88/6.35 [2019-03-28 12:27:02,827 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 12.88/6.35 [2019-03-28 12:27:02,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. 12.88/6.35 [2019-03-28 12:27:02,839 INFO L225 Difference]: With dead ends: 14 12.88/6.35 [2019-03-28 12:27:02,839 INFO L226 Difference]: Without dead ends: 10 12.88/6.35 [2019-03-28 12:27:02,842 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 12.88/6.35 [2019-03-28 12:27:02,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. 12.88/6.35 [2019-03-28 12:27:02,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. 12.88/6.35 [2019-03-28 12:27:02,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. 12.88/6.35 [2019-03-28 12:27:02,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 15 transitions. 12.88/6.35 [2019-03-28 12:27:02,878 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 15 transitions. Word has length 3 12.88/6.35 [2019-03-28 12:27:02,878 INFO L84 Accepts]: Finished accepts. word is rejected. 12.88/6.35 [2019-03-28 12:27:02,878 INFO L480 AbstractCegarLoop]: Abstraction has 10 states and 15 transitions. 12.88/6.35 [2019-03-28 12:27:02,878 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. 12.88/6.35 [2019-03-28 12:27:02,879 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 15 transitions. 12.88/6.35 [2019-03-28 12:27:02,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 12.88/6.35 [2019-03-28 12:27:02,879 INFO L394 BasicCegarLoop]: Found error trace 12.88/6.35 [2019-03-28 12:27:02,879 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1] 12.88/6.35 [2019-03-28 12:27:02,879 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION]=== 12.88/6.35 [2019-03-28 12:27:02,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 12.88/6.35 [2019-03-28 12:27:02,880 INFO L82 PathProgramCache]: Analyzing trace with hash 75120, now seen corresponding path program 1 times 12.88/6.35 [2019-03-28 12:27:02,880 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 12.88/6.35 [2019-03-28 12:27:02,880 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 12.88/6.35 [2019-03-28 12:27:02,881 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.88/6.35 [2019-03-28 12:27:02,882 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 12.88/6.35 [2019-03-28 12:27:02,882 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.88/6.35 [2019-03-28 12:27:02,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 12.88/6.35 [2019-03-28 12:27:02,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 12.88/6.35 [2019-03-28 12:27:02,899 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 12.88/6.35 [2019-03-28 12:27:02,899 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 12.88/6.35 [2019-03-28 12:27:02,901 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states 12.88/6.35 [2019-03-28 12:27:02,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. 12.88/6.35 [2019-03-28 12:27:02,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 12.88/6.35 [2019-03-28 12:27:02,902 INFO L87 Difference]: Start difference. First operand 10 states and 15 transitions. Second operand 3 states. 12.88/6.35 [2019-03-28 12:27:02,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 12.88/6.35 [2019-03-28 12:27:02,939 INFO L93 Difference]: Finished difference Result 14 states and 15 transitions. 12.88/6.35 [2019-03-28 12:27:02,939 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 12.88/6.35 [2019-03-28 12:27:02,940 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 12.88/6.35 [2019-03-28 12:27:02,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. 12.88/6.35 [2019-03-28 12:27:02,940 INFO L225 Difference]: With dead ends: 14 12.88/6.35 [2019-03-28 12:27:02,940 INFO L226 Difference]: Without dead ends: 10 12.88/6.35 [2019-03-28 12:27:02,942 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 12.88/6.35 [2019-03-28 12:27:02,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. 12.88/6.35 [2019-03-28 12:27:02,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. 12.88/6.35 [2019-03-28 12:27:02,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. 12.88/6.35 [2019-03-28 12:27:02,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 11 transitions. 12.88/6.35 [2019-03-28 12:27:02,944 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 11 transitions. Word has length 3 12.88/6.35 [2019-03-28 12:27:02,944 INFO L84 Accepts]: Finished accepts. word is rejected. 12.88/6.35 [2019-03-28 12:27:02,945 INFO L480 AbstractCegarLoop]: Abstraction has 10 states and 11 transitions. 12.88/6.35 [2019-03-28 12:27:02,945 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. 12.88/6.35 [2019-03-28 12:27:02,945 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. 12.88/6.35 [2019-03-28 12:27:02,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 12.88/6.35 [2019-03-28 12:27:02,945 INFO L394 BasicCegarLoop]: Found error trace 12.88/6.35 [2019-03-28 12:27:02,946 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1] 12.88/6.35 [2019-03-28 12:27:02,946 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION]=== 12.88/6.35 [2019-03-28 12:27:02,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 12.88/6.35 [2019-03-28 12:27:02,946 INFO L82 PathProgramCache]: Analyzing trace with hash 75121, now seen corresponding path program 1 times 12.88/6.35 [2019-03-28 12:27:02,946 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 12.88/6.35 [2019-03-28 12:27:02,946 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 12.88/6.35 [2019-03-28 12:27:02,948 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.88/6.35 [2019-03-28 12:27:02,948 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 12.88/6.35 [2019-03-28 12:27:02,948 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.88/6.35 [2019-03-28 12:27:02,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 12.88/6.35 [2019-03-28 12:27:02,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 12.88/6.35 [2019-03-28 12:27:02,986 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 12.88/6.35 [2019-03-28 12:27:02,986 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 12.88/6.35 [2019-03-28 12:27:02,986 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states 12.88/6.35 [2019-03-28 12:27:02,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. 12.88/6.35 [2019-03-28 12:27:02,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 12.88/6.35 [2019-03-28 12:27:02,987 INFO L87 Difference]: Start difference. First operand 10 states and 11 transitions. Second operand 3 states. 12.88/6.35 [2019-03-28 12:27:03,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 12.88/6.35 [2019-03-28 12:27:03,013 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. 12.88/6.35 [2019-03-28 12:27:03,013 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 12.88/6.35 [2019-03-28 12:27:03,014 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 12.88/6.35 [2019-03-28 12:27:03,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. 12.88/6.35 [2019-03-28 12:27:03,014 INFO L225 Difference]: With dead ends: 10 12.88/6.35 [2019-03-28 12:27:03,014 INFO L226 Difference]: Without dead ends: 0 12.88/6.35 [2019-03-28 12:27:03,015 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 12.88/6.35 [2019-03-28 12:27:03,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. 12.88/6.35 [2019-03-28 12:27:03,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. 12.88/6.35 [2019-03-28 12:27:03,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. 12.88/6.35 [2019-03-28 12:27:03,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. 12.88/6.35 [2019-03-28 12:27:03,016 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 3 12.88/6.35 [2019-03-28 12:27:03,016 INFO L84 Accepts]: Finished accepts. word is rejected. 12.88/6.35 [2019-03-28 12:27:03,016 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. 12.88/6.35 [2019-03-28 12:27:03,016 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. 12.88/6.35 [2019-03-28 12:27:03,016 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. 12.88/6.35 [2019-03-28 12:27:03,016 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 12.88/6.35 [2019-03-28 12:27:03,021 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. 12.88/6.35 [2019-03-28 12:27:03,045 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr3REQUIRES_VIOLATION(line 11) no Hoare annotation was computed. 12.88/6.35 [2019-03-28 12:27:03,046 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr2REQUIRES_VIOLATION(line 11) no Hoare annotation was computed. 12.88/6.35 [2019-03-28 12:27:03,046 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. 12.88/6.35 [2019-03-28 12:27:03,046 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr5REQUIRES_VIOLATION(line 11) no Hoare annotation was computed. 12.88/6.35 [2019-03-28 12:27:03,046 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr4REQUIRES_VIOLATION(line 11) no Hoare annotation was computed. 12.88/6.35 [2019-03-28 12:27:03,046 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 12.88/6.35 [2019-03-28 12:27:03,046 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr7REQUIRES_VIOLATION(line 12) no Hoare annotation was computed. 12.88/6.35 [2019-03-28 12:27:03,047 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr6REQUIRES_VIOLATION(line 12) no Hoare annotation was computed. 12.88/6.35 [2019-03-28 12:27:03,047 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr1REQUIRES_VIOLATION(line 10) no Hoare annotation was computed. 12.88/6.35 [2019-03-28 12:27:03,047 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0REQUIRES_VIOLATION(line 10) no Hoare annotation was computed. 12.88/6.35 [2019-03-28 12:27:03,047 INFO L448 ceAbstractionStarter]: For program point L12(line 12) no Hoare annotation was computed. 12.88/6.35 [2019-03-28 12:27:03,047 INFO L448 ceAbstractionStarter]: For program point L11(line 11) no Hoare annotation was computed. 12.88/6.35 [2019-03-28 12:27:03,047 INFO L448 ceAbstractionStarter]: For program point L11-1(line 11) no Hoare annotation was computed. 12.88/6.35 [2019-03-28 12:27:03,048 INFO L444 ceAbstractionStarter]: At program point L10-3(lines 10 13) the Hoare annotation is: (and (= |ULTIMATE.start_main_~#a~0.offset| 0) (= 1 (select |#valid| |ULTIMATE.start_main_~#a~0.base|)) (= (select |#length| |ULTIMATE.start_main_~#a~0.base|) 4192)) 12.88/6.35 [2019-03-28 12:27:03,048 INFO L305 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg 12.88/6.35 [2019-03-28 12:27:03,056 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length 12.88/6.35 [2019-03-28 12:27:03,061 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length 12.88/6.35 [2019-03-28 12:27:03,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:27:03 BasicIcfg 12.88/6.35 [2019-03-28 12:27:03,063 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 12.88/6.35 [2019-03-28 12:27:03,064 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 12.88/6.35 [2019-03-28 12:27:03,064 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 12.88/6.35 [2019-03-28 12:27:03,067 INFO L276 PluginConnector]: BuchiAutomizer initialized 12.88/6.35 [2019-03-28 12:27:03,068 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 12.88/6.35 [2019-03-28 12:27:03,068 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 12:27:01" (1/5) ... 12.88/6.35 [2019-03-28 12:27:03,069 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6544a68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:27:03, skipping insertion in model container 12.88/6.35 [2019-03-28 12:27:03,069 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 12.88/6.35 [2019-03-28 12:27:03,069 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:27:02" (2/5) ... 12.88/6.35 [2019-03-28 12:27:03,070 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6544a68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:27:03, skipping insertion in model container 12.88/6.35 [2019-03-28 12:27:03,070 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 12.88/6.35 [2019-03-28 12:27:03,070 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:27:02" (3/5) ... 12.88/6.35 [2019-03-28 12:27:03,070 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6544a68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:27:03, skipping insertion in model container 12.88/6.35 [2019-03-28 12:27:03,070 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 12.88/6.35 [2019-03-28 12:27:03,070 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:27:02" (4/5) ... 12.88/6.35 [2019-03-28 12:27:03,071 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6544a68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:27:03, skipping insertion in model container 12.88/6.35 [2019-03-28 12:27:03,071 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 12.88/6.35 [2019-03-28 12:27:03,071 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:27:03" (5/5) ... 12.88/6.36 [2019-03-28 12:27:03,072 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 12.88/6.36 [2019-03-28 12:27:03,095 INFO L133 ementStrategyFactory]: Using default assertion order modulation 12.88/6.36 [2019-03-28 12:27:03,096 INFO L374 BuchiCegarLoop]: Interprodecural is true 12.88/6.36 [2019-03-28 12:27:03,096 INFO L375 BuchiCegarLoop]: Hoare is true 12.88/6.36 [2019-03-28 12:27:03,096 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 12.88/6.36 [2019-03-28 12:27:03,096 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 12.88/6.36 [2019-03-28 12:27:03,096 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 12.88/6.36 [2019-03-28 12:27:03,096 INFO L379 BuchiCegarLoop]: Difference is false 12.88/6.36 [2019-03-28 12:27:03,096 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 12.88/6.36 [2019-03-28 12:27:03,097 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 12.88/6.36 [2019-03-28 12:27:03,100 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. 12.88/6.36 [2019-03-28 12:27:03,105 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 12.88/6.36 [2019-03-28 12:27:03,105 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 12.88/6.36 [2019-03-28 12:27:03,105 INFO L119 BuchiIsEmpty]: Starting construction of run 12.88/6.36 [2019-03-28 12:27:03,109 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 12.88/6.36 [2019-03-28 12:27:03,109 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] 12.88/6.36 [2019-03-28 12:27:03,110 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 12.88/6.36 [2019-03-28 12:27:03,110 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. 12.88/6.36 [2019-03-28 12:27:03,111 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 12.88/6.36 [2019-03-28 12:27:03,111 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 12.88/6.36 [2019-03-28 12:27:03,111 INFO L119 BuchiIsEmpty]: Starting construction of run 12.88/6.36 [2019-03-28 12:27:03,112 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 12.88/6.36 [2019-03-28 12:27:03,112 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] 12.88/6.36 [2019-03-28 12:27:03,117 INFO L794 eck$LassoCheckResult]: Stem: 10#ULTIMATE.startENTRYtrue [45] ULTIMATE.startENTRY-->L-1: Formula: (and (= |v_#NULL.offset_1| 0) (= |v_#NULL.base_1| 0) (= |v_#valid_1| (store |v_#valid_2| 0 0))) InVars {#valid=|v_#valid_2|} OutVars{#NULL.offset=|v_#NULL.offset_1|, #NULL.base=|v_#NULL.base_1|, #valid=|v_#valid_1|} AuxVars[] AssignedVars[#valid, #NULL.offset, #NULL.base] 7#L-1true [66] L-1-->L10-3: Formula: (and (= 0 (select |v_#valid_4| |v_ULTIMATE.start_main_~#a~0.base_1|)) (= (store |v_#valid_4| |v_ULTIMATE.start_main_~#a~0.base_1| 1) |v_#valid_3|) (= |v_#length_1| (store |v_#length_2| |v_ULTIMATE.start_main_~#a~0.base_1| 4192)) (< |v_ULTIMATE.start_main_~#a~0.base_1| |v_#StackHeapBarrier_1|) (= 0 |v_ULTIMATE.start_main_~#a~0.offset_1|) (> |v_ULTIMATE.start_main_~#a~0.base_1| 0)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_2|, #valid=|v_#valid_4|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_1|, ULTIMATE.start_main_~#a~0.offset=|v_ULTIMATE.start_main_~#a~0.offset_1|, ULTIMATE.start_main_~#a~0.base=|v_ULTIMATE.start_main_~#a~0.base_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, #valid=|v_#valid_3|, ULTIMATE.start_main_#t~mem1=|v_ULTIMATE.start_main_#t~mem1_1|, #length=|v_#length_1|, ULTIMATE.start_main_#t~mem0=|v_ULTIMATE.start_main_#t~mem0_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#a~0.offset, ULTIMATE.start_main_~#a~0.base, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~nondet2, #valid, ULTIMATE.start_main_#t~mem1, #length, ULTIMATE.start_main_#t~mem0] 5#L10-3true 12.88/6.36 [2019-03-28 12:27:03,118 INFO L796 eck$LassoCheckResult]: Loop: 5#L10-3true [88] L10-3-->L11: Formula: (let ((.cse0 (+ |v_ULTIMATE.start_main_~#a~0.offset_19| 8))) (and (<= 0 .cse0) (<= 0 (select (select |v_#memory_int_11| |v_ULTIMATE.start_main_~#a~0.base_26|) .cse0)) (= 1 (select |v_#valid_23| |v_ULTIMATE.start_main_~#a~0.base_26|)) (<= (+ |v_ULTIMATE.start_main_~#a~0.offset_19| 12) (select |v_#length_13| |v_ULTIMATE.start_main_~#a~0.base_26|)))) InVars {ULTIMATE.start_main_~#a~0.offset=|v_ULTIMATE.start_main_~#a~0.offset_19|, ULTIMATE.start_main_~#a~0.base=|v_ULTIMATE.start_main_~#a~0.base_26|, #valid=|v_#valid_23|, #memory_int=|v_#memory_int_11|, #length=|v_#length_13|} OutVars{ULTIMATE.start_main_~#a~0.offset=|v_ULTIMATE.start_main_~#a~0.offset_19|, ULTIMATE.start_main_~#a~0.base=|v_ULTIMATE.start_main_~#a~0.base_26|, #valid=|v_#valid_23|, #memory_int=|v_#memory_int_11|, ULTIMATE.start_main_#t~mem0=|v_ULTIMATE.start_main_#t~mem0_13|, #length=|v_#length_13|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem0] 11#L11true [46] L11-->L11-1: Formula: (let ((.cse0 (+ |v_ULTIMATE.start_main_~#a~0.offset_6| 8))) (and (<= 0 .cse0) (<= (+ |v_ULTIMATE.start_main_~#a~0.offset_6| 12) (select |v_#length_5| |v_ULTIMATE.start_main_~#a~0.base_7|)) (= (select |v_#valid_7| |v_ULTIMATE.start_main_~#a~0.base_7|) 1) (= |v_ULTIMATE.start_main_#t~mem1_2| (select (select |v_#memory_int_2| |v_ULTIMATE.start_main_~#a~0.base_7|) .cse0)))) InVars {#memory_int=|v_#memory_int_2|, ULTIMATE.start_main_~#a~0.offset=|v_ULTIMATE.start_main_~#a~0.offset_6|, #length=|v_#length_5|, ULTIMATE.start_main_~#a~0.base=|v_ULTIMATE.start_main_~#a~0.base_7|, #valid=|v_#valid_7|} OutVars{ULTIMATE.start_main_~#a~0.offset=|v_ULTIMATE.start_main_~#a~0.offset_6|, ULTIMATE.start_main_~#a~0.base=|v_ULTIMATE.start_main_~#a~0.base_7|, #valid=|v_#valid_7|, #memory_int=|v_#memory_int_2|, ULTIMATE.start_main_#t~mem1=|v_ULTIMATE.start_main_#t~mem1_2|, #length=|v_#length_5|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem1] 8#L11-1true [85] L11-1-->L12: Formula: (let ((.cse0 (+ |v_ULTIMATE.start_main_~#a~0.offset_16| 8))) (and (= |v_#memory_int_7| (store |v_#memory_int_8| |v_ULTIMATE.start_main_~#a~0.base_22| (store (select |v_#memory_int_8| |v_ULTIMATE.start_main_~#a~0.base_22|) .cse0 (+ |v_ULTIMATE.start_main_#t~mem1_6| (- 1))))) (<= 0 .cse0) (<= (+ |v_ULTIMATE.start_main_~#a~0.offset_16| 12) (select |v_#length_11| |v_ULTIMATE.start_main_~#a~0.base_22|)) (= 1 (select |v_#valid_19| |v_ULTIMATE.start_main_~#a~0.base_22|)))) InVars {ULTIMATE.start_main_~#a~0.offset=|v_ULTIMATE.start_main_~#a~0.offset_16|, ULTIMATE.start_main_~#a~0.base=|v_ULTIMATE.start_main_~#a~0.base_22|, #valid=|v_#valid_19|, #memory_int=|v_#memory_int_8|, ULTIMATE.start_main_#t~mem1=|v_ULTIMATE.start_main_#t~mem1_6|, #length=|v_#length_11|} OutVars{ULTIMATE.start_main_~#a~0.offset=|v_ULTIMATE.start_main_~#a~0.offset_16|, ULTIMATE.start_main_~#a~0.base=|v_ULTIMATE.start_main_~#a~0.base_22|, #valid=|v_#valid_19|, #memory_int=|v_#memory_int_7|, ULTIMATE.start_main_#t~mem1=|v_ULTIMATE.start_main_#t~mem1_5|, #length=|v_#length_11|} AuxVars[] AssignedVars[#memory_int, ULTIMATE.start_main_#t~mem1] 13#L12true [87] L12-->L10-3: Formula: (let ((.cse0 (+ |v_ULTIMATE.start_main_~#a~0.offset_18| 8))) (and (= 1 (select |v_#valid_22| |v_ULTIMATE.start_main_~#a~0.base_25|)) (<= 0 .cse0) (= |v_#memory_int_9| (store |v_#memory_int_10| |v_ULTIMATE.start_main_~#a~0.base_25| (store (select |v_#memory_int_10| |v_ULTIMATE.start_main_~#a~0.base_25|) .cse0 |v_ULTIMATE.start_main_#t~nondet2_5|))) (<= (+ |v_ULTIMATE.start_main_~#a~0.offset_18| 12) (select |v_#length_12| |v_ULTIMATE.start_main_~#a~0.base_25|)))) InVars {ULTIMATE.start_main_~#a~0.offset=|v_ULTIMATE.start_main_~#a~0.offset_18|, ULTIMATE.start_main_~#a~0.base=|v_ULTIMATE.start_main_~#a~0.base_25|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|, #valid=|v_#valid_22|, #memory_int=|v_#memory_int_10|, #length=|v_#length_12|} OutVars{ULTIMATE.start_main_~#a~0.offset=|v_ULTIMATE.start_main_~#a~0.offset_18|, ULTIMATE.start_main_~#a~0.base=|v_ULTIMATE.start_main_~#a~0.base_25|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_4|, #valid=|v_#valid_22|, #memory_int=|v_#memory_int_9|, #length=|v_#length_12|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, #memory_int] 5#L10-3true 12.88/6.36 [2019-03-28 12:27:03,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 12.88/6.36 [2019-03-28 12:27:03,118 INFO L82 PathProgramCache]: Analyzing trace with hash 2422, now seen corresponding path program 1 times 12.88/6.36 [2019-03-28 12:27:03,118 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 12.88/6.36 [2019-03-28 12:27:03,119 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 12.88/6.36 [2019-03-28 12:27:03,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.88/6.36 [2019-03-28 12:27:03,120 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 12.88/6.36 [2019-03-28 12:27:03,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.88/6.36 [2019-03-28 12:27:03,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.88/6.36 [2019-03-28 12:27:03,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.88/6.36 [2019-03-28 12:27:03,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 12.88/6.36 [2019-03-28 12:27:03,151 INFO L82 PathProgramCache]: Analyzing trace with hash 3592057, now seen corresponding path program 1 times 12.88/6.36 [2019-03-28 12:27:03,151 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 12.88/6.36 [2019-03-28 12:27:03,151 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 12.88/6.36 [2019-03-28 12:27:03,152 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.88/6.36 [2019-03-28 12:27:03,152 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 12.88/6.36 [2019-03-28 12:27:03,153 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.88/6.36 [2019-03-28 12:27:03,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.88/6.36 [2019-03-28 12:27:03,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.88/6.36 [2019-03-28 12:27:03,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 12.88/6.36 [2019-03-28 12:27:03,168 INFO L82 PathProgramCache]: Analyzing trace with hash -2055530898, now seen corresponding path program 1 times 12.88/6.36 [2019-03-28 12:27:03,168 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 12.88/6.36 [2019-03-28 12:27:03,168 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 12.88/6.36 [2019-03-28 12:27:03,169 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.88/6.36 [2019-03-28 12:27:03,169 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 12.88/6.36 [2019-03-28 12:27:03,169 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.88/6.36 [2019-03-28 12:27:03,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.88/6.36 [2019-03-28 12:27:03,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.88/6.36 [2019-03-28 12:27:03,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:27:03 BasicIcfg 12.88/6.36 [2019-03-28 12:27:03,318 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 12.88/6.36 [2019-03-28 12:27:03,319 INFO L168 Benchmark]: Toolchain (without parser) took 1572.75 ms. Allocated memory was 649.6 MB in the beginning and 688.9 MB in the end (delta: 39.3 MB). Free memory was 563.9 MB in the beginning and 555.6 MB in the end (delta: 8.3 MB). Peak memory consumption was 47.6 MB. Max. memory is 50.3 GB. 12.88/6.36 [2019-03-28 12:27:03,321 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 585.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 12.88/6.36 [2019-03-28 12:27:03,321 INFO L168 Benchmark]: CACSL2BoogieTranslator took 293.24 ms. Allocated memory was 649.6 MB in the beginning and 688.9 MB in the end (delta: 39.3 MB). Free memory was 563.9 MB in the beginning and 656.6 MB in the end (delta: -92.7 MB). Peak memory consumption was 29.7 MB. Max. memory is 50.3 GB. 12.88/6.36 [2019-03-28 12:27:03,322 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.95 ms. Allocated memory is still 688.9 MB. Free memory was 656.6 MB in the beginning and 652.1 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 50.3 GB. 12.88/6.36 [2019-03-28 12:27:03,323 INFO L168 Benchmark]: Boogie Preprocessor took 23.43 ms. Allocated memory is still 688.9 MB. Free memory was 652.1 MB in the beginning and 650.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 12.88/6.36 [2019-03-28 12:27:03,323 INFO L168 Benchmark]: RCFGBuilder took 240.61 ms. Allocated memory is still 688.9 MB. Free memory was 650.8 MB in the beginning and 635.0 MB in the end (delta: 15.8 MB). Peak memory consumption was 15.8 MB. Max. memory is 50.3 GB. 12.88/6.36 [2019-03-28 12:27:03,324 INFO L168 Benchmark]: BlockEncodingV2 took 113.18 ms. Allocated memory is still 688.9 MB. Free memory was 633.6 MB in the beginning and 625.8 MB in the end (delta: 7.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 50.3 GB. 12.88/6.36 [2019-03-28 12:27:03,325 INFO L168 Benchmark]: TraceAbstraction took 603.63 ms. Allocated memory is still 688.9 MB. Free memory was 625.8 MB in the beginning and 578.5 MB in the end (delta: 47.3 MB). Peak memory consumption was 47.3 MB. Max. memory is 50.3 GB. 12.88/6.36 [2019-03-28 12:27:03,325 INFO L168 Benchmark]: BuchiAutomizer took 254.22 ms. Allocated memory is still 688.9 MB. Free memory was 578.5 MB in the beginning and 555.6 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 50.3 GB. 12.88/6.36 [2019-03-28 12:27:03,330 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 12.88/6.36 --- Results --- 12.88/6.36 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 12.88/6.36 - StatisticsResult: Initial Icfg 12.88/6.36 21 locations, 22 edges 12.88/6.36 - StatisticsResult: Encoded RCFG 12.88/6.36 14 locations, 23 edges 12.88/6.36 * Results from de.uni_freiburg.informatik.ultimate.core: 12.88/6.36 - StatisticsResult: Toolchain Benchmarks 12.88/6.36 Benchmark results are: 12.88/6.36 * CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 585.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 12.88/6.36 * CACSL2BoogieTranslator took 293.24 ms. Allocated memory was 649.6 MB in the beginning and 688.9 MB in the end (delta: 39.3 MB). Free memory was 563.9 MB in the beginning and 656.6 MB in the end (delta: -92.7 MB). Peak memory consumption was 29.7 MB. Max. memory is 50.3 GB. 12.88/6.36 * Boogie Procedure Inliner took 38.95 ms. Allocated memory is still 688.9 MB. Free memory was 656.6 MB in the beginning and 652.1 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 50.3 GB. 12.88/6.36 * Boogie Preprocessor took 23.43 ms. Allocated memory is still 688.9 MB. Free memory was 652.1 MB in the beginning and 650.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 12.88/6.36 * RCFGBuilder took 240.61 ms. Allocated memory is still 688.9 MB. Free memory was 650.8 MB in the beginning and 635.0 MB in the end (delta: 15.8 MB). Peak memory consumption was 15.8 MB. Max. memory is 50.3 GB. 12.88/6.36 * BlockEncodingV2 took 113.18 ms. Allocated memory is still 688.9 MB. Free memory was 633.6 MB in the beginning and 625.8 MB in the end (delta: 7.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 50.3 GB. 12.88/6.36 * TraceAbstraction took 603.63 ms. Allocated memory is still 688.9 MB. Free memory was 625.8 MB in the beginning and 578.5 MB in the end (delta: 47.3 MB). Peak memory consumption was 47.3 MB. Max. memory is 50.3 GB. 12.88/6.36 * BuchiAutomizer took 254.22 ms. Allocated memory is still 688.9 MB. Free memory was 578.5 MB in the beginning and 555.6 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 50.3 GB. 12.88/6.36 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: 12.88/6.36 - GenericResult: Unfinished Backtranslation 12.88/6.36 unknown boogie variable #length 12.88/6.36 - GenericResult: Unfinished Backtranslation 12.88/6.36 unknown boogie variable #length 12.88/6.36 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 12.88/6.36 - PositiveResult [Line: 10]: pointer dereference always succeeds 12.88/6.36 For all program executions holds that pointer dereference always succeeds at this location 12.88/6.36 - PositiveResult [Line: 12]: pointer dereference always succeeds 12.88/6.36 For all program executions holds that pointer dereference always succeeds at this location 12.88/6.36 - PositiveResult [Line: 10]: pointer dereference always succeeds 12.88/6.36 For all program executions holds that pointer dereference always succeeds at this location 12.88/6.36 - PositiveResult [Line: 11]: pointer dereference always succeeds 12.88/6.36 For all program executions holds that pointer dereference always succeeds at this location 12.88/6.36 - PositiveResult [Line: 11]: pointer dereference always succeeds 12.88/6.36 For all program executions holds that pointer dereference always succeeds at this location 12.88/6.36 - PositiveResult [Line: 11]: pointer dereference always succeeds 12.88/6.36 For all program executions holds that pointer dereference always succeeds at this location 12.88/6.36 - PositiveResult [Line: 12]: pointer dereference always succeeds 12.88/6.36 For all program executions holds that pointer dereference always succeeds at this location 12.88/6.36 - PositiveResult [Line: 11]: pointer dereference always succeeds 12.88/6.36 For all program executions holds that pointer dereference always succeeds at this location 12.88/6.36 - AllSpecificationsHoldResult: All specifications hold 12.88/6.36 8 specifications checked. All of them hold 12.88/6.36 - InvariantResult [Line: 10]: Loop Invariant 12.88/6.36 [2019-03-28 12:27:03,339 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length 12.88/6.36 [2019-03-28 12:27:03,340 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length 12.88/6.36 Derived loop invariant: (a == 0 && 1 == \valid[a]) && unknown-#length-unknown[a] == 4192 12.88/6.36 - StatisticsResult: Ultimate Automizer benchmark data 12.88/6.36 CFG has 1 procedures, 14 locations, 8 error locations. SAFE Result, 0.5s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3 SDtfs, 24 SDslu, 2 SDs, 0 SdLazy, 31 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred 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: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 14 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 40 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available 12.88/6.36 - StatisticsResult: Constructed decomposition of program 12.88/6.36 Trivial decomposition into one nonterminating module. 12.88/6.36 - StatisticsResult: Timing statistics 12.88/6.36 BüchiAutomizer plugin needed 0.2s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s 12.88/6.36 - TerminationAnalysisResult: Nontermination possible 12.88/6.36 Buchi Automizer proved that your program is nonterminating for some inputs 12.88/6.36 - FixpointNonTerminationResult [Line: 10]: Nontermination argument in form of an infinite program execution. 12.88/6.36 Nontermination argument in form of an infinite execution 12.88/6.36 State at position 0 is 12.88/6.36 {NULL=842} 12.88/6.36 State at position 1 is 12.88/6.36 {org.eclipse.cdt.internal.core.dom.parser.c.CASTArraySubscriptExpression@c20059c=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTArraySubscriptExpression@705e40c6=0, NULL=0, \result=0, a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@341065ae=8586, NULL=842, a=841} 12.88/6.36 - StatisticsResult: NonterminationArgumentStatistics 12.88/6.36 Fixpoint 12.88/6.36 - NonterminatingLassoResult [Line: 10]: Nonterminating execution 12.88/6.36 Found a nonterminating execution for the following lasso shaped sequence of statements. 12.88/6.36 Stem: 12.88/6.36 [L9] int a[1048]; 12.88/6.36 Loop: 12.88/6.36 [L10] EXPR a[2] 12.88/6.36 [L10] COND TRUE a[2] >= 0 12.88/6.36 [L11] EXPR a[2] 12.88/6.36 [L11] a[2] = a[2] - 1 12.88/6.36 [L12] a[1+1] = __VERIFIER_nondet_int() 12.88/6.36 End of lasso representation. 12.88/6.36 RESULT: Ultimate proved your program to be incorrect! 12.88/6.36 !SESSION 2019-03-28 12:26:58.428 ----------------------------------------------- 12.88/6.36 eclipse.buildId=unknown 12.88/6.36 java.version=1.8.0_181 12.88/6.36 java.vendor=Oracle Corporation 12.88/6.36 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 12.88/6.36 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 12.88/6.36 Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox/tmp -i /export/starexec/sandbox/benchmark/theBenchmark.c 12.88/6.36 12.88/6.36 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 12:27:03.727 12.88/6.36 !MESSAGE The workspace will exit with unsaved changes in this session. 12.88/6.36 Received shutdown request... 12.88/6.36 Ultimate: 12.88/6.36 GTK+ Version Check 12.88/6.36 EOF