/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe031_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-fae578e [2019-12-19 05:24:53,643 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-19 05:24:53,645 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-19 05:24:53,663 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-19 05:24:53,663 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-19 05:24:53,665 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-19 05:24:53,667 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-19 05:24:53,680 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-19 05:24:53,682 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-19 05:24:53,683 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-19 05:24:53,684 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-19 05:24:53,686 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-19 05:24:53,686 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-19 05:24:53,690 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-19 05:24:53,692 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-19 05:24:53,694 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-19 05:24:53,695 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-19 05:24:53,698 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-19 05:24:53,699 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-19 05:24:53,701 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-19 05:24:53,703 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-19 05:24:53,706 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-19 05:24:53,707 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-19 05:24:53,708 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-19 05:24:53,712 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-12-19 05:24:53,717 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-19 05:24:53,718 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-19 05:24:53,719 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-19 05:24:53,720 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-19 05:24:53,723 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-19 05:24:53,723 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-19 05:24:53,724 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-19 05:24:53,724 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-19 05:24:53,724 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-19 05:24:53,726 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-19 05:24:53,728 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-19 05:24:53,729 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2019-12-19 05:24:53,752 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-19 05:24:53,752 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-19 05:24:53,753 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-19 05:24:53,753 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-19 05:24:53,754 INFO L138 SettingsManager]: * Use SBE=true [2019-12-19 05:24:53,754 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-19 05:24:53,754 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-19 05:24:53,754 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-19 05:24:53,754 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-19 05:24:53,755 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-19 05:24:53,755 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-19 05:24:53,755 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-19 05:24:53,755 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-19 05:24:53,755 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-19 05:24:53,755 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-19 05:24:53,756 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-19 05:24:53,756 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-19 05:24:53,756 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-19 05:24:53,756 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-19 05:24:53,756 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-19 05:24:53,757 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-19 05:24:53,757 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-19 05:24:53,757 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-19 05:24:53,757 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-19 05:24:53,757 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-19 05:24:53,758 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-19 05:24:53,758 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-19 05:24:53,758 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2019-12-19 05:24:53,758 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-19 05:24:53,758 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-19 05:24:54,016 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-19 05:24:54,031 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-19 05:24:54,035 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-19 05:24:54,037 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-19 05:24:54,037 INFO L275 PluginConnector]: CDTParser initialized [2019-12-19 05:24:54,038 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe031_pso.opt.i [2019-12-19 05:24:54,108 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/feb12e63f/40bea22913264fb790926d1bb2d06265/FLAGe929792d7 [2019-12-19 05:24:54,671 INFO L306 CDTParser]: Found 1 translation units. [2019-12-19 05:24:54,671 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe031_pso.opt.i [2019-12-19 05:24:54,685 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/feb12e63f/40bea22913264fb790926d1bb2d06265/FLAGe929792d7 [2019-12-19 05:24:54,925 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/feb12e63f/40bea22913264fb790926d1bb2d06265 [2019-12-19 05:24:54,934 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-19 05:24:54,936 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-19 05:24:54,937 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-19 05:24:54,938 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-19 05:24:54,941 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-19 05:24:54,942 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 05:24:54" (1/1) ... [2019-12-19 05:24:54,945 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62fdc12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:24:54, skipping insertion in model container [2019-12-19 05:24:54,945 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 05:24:54" (1/1) ... [2019-12-19 05:24:54,952 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-19 05:24:55,014 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-19 05:24:55,568 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-19 05:24:55,581 INFO L203 MainTranslator]: Completed pre-run [2019-12-19 05:24:55,652 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-19 05:24:55,730 INFO L208 MainTranslator]: Completed translation [2019-12-19 05:24:55,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:24:55 WrapperNode [2019-12-19 05:24:55,731 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-19 05:24:55,732 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-19 05:24:55,732 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-19 05:24:55,732 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-19 05:24:55,741 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:24:55" (1/1) ... [2019-12-19 05:24:55,763 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:24:55" (1/1) ... [2019-12-19 05:24:55,802 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-19 05:24:55,802 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-19 05:24:55,802 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-19 05:24:55,802 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-19 05:24:55,811 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:24:55" (1/1) ... [2019-12-19 05:24:55,811 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:24:55" (1/1) ... [2019-12-19 05:24:55,816 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:24:55" (1/1) ... [2019-12-19 05:24:55,816 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:24:55" (1/1) ... [2019-12-19 05:24:55,827 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:24:55" (1/1) ... [2019-12-19 05:24:55,831 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:24:55" (1/1) ... [2019-12-19 05:24:55,835 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:24:55" (1/1) ... [2019-12-19 05:24:55,840 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-19 05:24:55,841 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-19 05:24:55,841 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-19 05:24:55,841 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-19 05:24:55,842 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:24:55" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-19 05:24:55,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-19 05:24:55,903 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-19 05:24:55,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-19 05:24:55,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-19 05:24:55,904 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-19 05:24:55,904 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-19 05:24:55,904 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-19 05:24:55,905 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-19 05:24:55,906 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-12-19 05:24:55,906 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-12-19 05:24:55,907 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-19 05:24:55,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-19 05:24:55,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-19 05:24:55,909 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-19 05:24:56,678 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-19 05:24:56,679 INFO L287 CfgBuilder]: Removed 8 assume(true) statements. [2019-12-19 05:24:56,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 05:24:56 BoogieIcfgContainer [2019-12-19 05:24:56,680 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-19 05:24:56,682 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-19 05:24:56,682 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-19 05:24:56,685 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-19 05:24:56,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.12 05:24:54" (1/3) ... [2019-12-19 05:24:56,687 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44668298 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 05:24:56, skipping insertion in model container [2019-12-19 05:24:56,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:24:55" (2/3) ... [2019-12-19 05:24:56,687 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44668298 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 05:24:56, skipping insertion in model container [2019-12-19 05:24:56,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 05:24:56" (3/3) ... [2019-12-19 05:24:56,689 INFO L109 eAbstractionObserver]: Analyzing ICFG safe031_pso.opt.i [2019-12-19 05:24:56,700 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-19 05:24:56,701 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-19 05:24:56,709 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-12-19 05:24:56,710 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-19 05:24:56,746 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,746 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,747 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,747 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,748 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,748 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,749 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,749 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,749 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,749 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,750 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,750 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,750 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,750 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,751 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,751 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,751 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,752 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,752 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,752 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,752 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,753 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,753 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,754 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,754 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,754 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,754 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,755 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,755 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,755 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,755 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,756 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,756 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,756 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,757 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,757 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,758 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,758 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,758 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,759 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,759 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,759 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,759 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,760 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,760 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,760 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,761 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,761 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,761 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,761 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,762 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,762 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,762 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,762 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,763 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,763 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,763 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,763 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,764 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,764 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,764 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,764 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,765 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,765 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,765 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,765 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,766 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,766 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,766 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,766 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,771 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,771 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,771 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,771 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,772 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,772 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,772 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,772 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,789 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,790 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,791 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,791 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,795 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,795 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,796 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,797 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,807 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,808 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,808 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,808 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,808 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,809 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,809 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,809 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,809 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,809 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:24:56,825 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-12-19 05:24:56,849 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-19 05:24:56,850 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-19 05:24:56,850 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-19 05:24:56,850 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-19 05:24:56,850 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-19 05:24:56,850 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-19 05:24:56,850 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-19 05:24:56,850 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-19 05:24:56,865 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 162 places, 193 transitions [2019-12-19 05:25:09,731 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 92465 states. [2019-12-19 05:25:09,734 INFO L276 IsEmpty]: Start isEmpty. Operand 92465 states. [2019-12-19 05:25:09,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-12-19 05:25:09,749 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:25:09,751 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-19 05:25:09,751 INFO L410 AbstractCegarLoop]: === Iteration 1 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 05:25:09,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:25:09,759 INFO L82 PathProgramCache]: Analyzing trace with hash 799143583, now seen corresponding path program 1 times [2019-12-19 05:25:09,768 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:25:09,768 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706325120] [2019-12-19 05:25:09,769 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:25:09,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:25:10,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 05:25:10,123 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706325120] [2019-12-19 05:25:10,125 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 05:25:10,125 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-19 05:25:10,126 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495121391] [2019-12-19 05:25:10,133 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-19 05:25:10,134 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:25:10,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-19 05:25:10,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-19 05:25:10,148 INFO L87 Difference]: Start difference. First operand 92465 states. Second operand 4 states. [2019-12-19 05:25:11,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:25:11,400 INFO L93 Difference]: Finished difference Result 96401 states and 448737 transitions. [2019-12-19 05:25:11,400 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-19 05:25:11,401 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 44 [2019-12-19 05:25:11,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:25:12,040 INFO L225 Difference]: With dead ends: 96401 [2019-12-19 05:25:12,041 INFO L226 Difference]: Without dead ends: 85521 [2019-12-19 05:25:12,046 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-19 05:25:15,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85521 states. [2019-12-19 05:25:17,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85521 to 85521. [2019-12-19 05:25:17,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85521 states. [2019-12-19 05:25:21,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85521 states to 85521 states and 400697 transitions. [2019-12-19 05:25:21,039 INFO L78 Accepts]: Start accepts. Automaton has 85521 states and 400697 transitions. Word has length 44 [2019-12-19 05:25:21,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 05:25:21,040 INFO L462 AbstractCegarLoop]: Abstraction has 85521 states and 400697 transitions. [2019-12-19 05:25:21,041 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-19 05:25:21,041 INFO L276 IsEmpty]: Start isEmpty. Operand 85521 states and 400697 transitions. [2019-12-19 05:25:21,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-12-19 05:25:21,055 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:25:21,055 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-19 05:25:21,055 INFO L410 AbstractCegarLoop]: === Iteration 2 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 05:25:21,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:25:21,056 INFO L82 PathProgramCache]: Analyzing trace with hash 727988385, now seen corresponding path program 1 times [2019-12-19 05:25:21,056 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:25:21,056 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191085144] [2019-12-19 05:25:21,057 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:25:21,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:25:21,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 05:25:21,195 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191085144] [2019-12-19 05:25:21,196 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 05:25:21,196 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-19 05:25:21,196 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860800415] [2019-12-19 05:25:21,198 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-19 05:25:21,198 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:25:21,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-19 05:25:21,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-19 05:25:21,199 INFO L87 Difference]: Start difference. First operand 85521 states and 400697 transitions. Second operand 5 states. [2019-12-19 05:25:23,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:25:23,430 INFO L93 Difference]: Finished difference Result 139649 states and 623533 transitions. [2019-12-19 05:25:23,431 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-19 05:25:23,431 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2019-12-19 05:25:23,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:25:23,989 INFO L225 Difference]: With dead ends: 139649 [2019-12-19 05:25:23,990 INFO L226 Difference]: Without dead ends: 138929 [2019-12-19 05:25:23,991 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-12-19 05:25:29,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138929 states. [2019-12-19 05:25:32,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138929 to 132785. [2019-12-19 05:25:32,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132785 states. [2019-12-19 05:25:33,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132785 states to 132785 states and 597161 transitions. [2019-12-19 05:25:33,449 INFO L78 Accepts]: Start accepts. Automaton has 132785 states and 597161 transitions. Word has length 51 [2019-12-19 05:25:33,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 05:25:33,450 INFO L462 AbstractCegarLoop]: Abstraction has 132785 states and 597161 transitions. [2019-12-19 05:25:33,450 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-19 05:25:33,450 INFO L276 IsEmpty]: Start isEmpty. Operand 132785 states and 597161 transitions. [2019-12-19 05:25:33,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-12-19 05:25:33,458 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:25:33,458 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-19 05:25:33,459 INFO L410 AbstractCegarLoop]: === Iteration 3 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 05:25:33,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:25:33,459 INFO L82 PathProgramCache]: Analyzing trace with hash 893608449, now seen corresponding path program 1 times [2019-12-19 05:25:33,459 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:25:33,460 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433997296] [2019-12-19 05:25:33,460 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:25:33,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:25:33,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 05:25:33,565 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433997296] [2019-12-19 05:25:33,565 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 05:25:33,566 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-19 05:25:33,566 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918652181] [2019-12-19 05:25:33,566 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-19 05:25:33,567 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:25:33,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-19 05:25:33,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-19 05:25:33,568 INFO L87 Difference]: Start difference. First operand 132785 states and 597161 transitions. Second operand 5 states. [2019-12-19 05:25:39,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:25:39,026 INFO L93 Difference]: Finished difference Result 161553 states and 717781 transitions. [2019-12-19 05:25:39,026 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-19 05:25:39,026 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2019-12-19 05:25:39,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:25:39,513 INFO L225 Difference]: With dead ends: 161553 [2019-12-19 05:25:39,513 INFO L226 Difference]: Without dead ends: 160753 [2019-12-19 05:25:39,514 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-12-19 05:25:41,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160753 states. [2019-12-19 05:25:44,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160753 to 139077. [2019-12-19 05:25:44,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139077 states. [2019-12-19 05:25:45,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139077 states to 139077 states and 623064 transitions. [2019-12-19 05:25:45,114 INFO L78 Accepts]: Start accepts. Automaton has 139077 states and 623064 transitions. Word has length 52 [2019-12-19 05:25:45,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 05:25:45,115 INFO L462 AbstractCegarLoop]: Abstraction has 139077 states and 623064 transitions. [2019-12-19 05:25:45,115 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-19 05:25:45,115 INFO L276 IsEmpty]: Start isEmpty. Operand 139077 states and 623064 transitions. [2019-12-19 05:25:45,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-12-19 05:25:45,156 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:25:45,156 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-19 05:25:45,157 INFO L410 AbstractCegarLoop]: === Iteration 4 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 05:25:45,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:25:45,158 INFO L82 PathProgramCache]: Analyzing trace with hash 472678915, now seen corresponding path program 1 times [2019-12-19 05:25:45,158 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:25:45,158 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106189135] [2019-12-19 05:25:45,158 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:25:45,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:25:45,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 05:25:45,268 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106189135] [2019-12-19 05:25:45,269 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 05:25:45,269 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-19 05:25:45,269 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774988848] [2019-12-19 05:25:45,270 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-19 05:25:45,270 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:25:45,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-19 05:25:45,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-19 05:25:45,270 INFO L87 Difference]: Start difference. First operand 139077 states and 623064 transitions. Second operand 6 states. [2019-12-19 05:25:52,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:25:52,053 INFO L93 Difference]: Finished difference Result 183581 states and 805090 transitions. [2019-12-19 05:25:52,053 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-12-19 05:25:52,053 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 59 [2019-12-19 05:25:52,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:25:52,656 INFO L225 Difference]: With dead ends: 183581 [2019-12-19 05:25:52,656 INFO L226 Difference]: Without dead ends: 182861 [2019-12-19 05:25:52,656 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2019-12-19 05:25:54,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182861 states. [2019-12-19 05:25:56,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182861 to 134929. [2019-12-19 05:25:56,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134929 states. [2019-12-19 05:26:04,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134929 states to 134929 states and 604573 transitions. [2019-12-19 05:26:04,135 INFO L78 Accepts]: Start accepts. Automaton has 134929 states and 604573 transitions. Word has length 59 [2019-12-19 05:26:04,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 05:26:04,135 INFO L462 AbstractCegarLoop]: Abstraction has 134929 states and 604573 transitions. [2019-12-19 05:26:04,135 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-19 05:26:04,135 INFO L276 IsEmpty]: Start isEmpty. Operand 134929 states and 604573 transitions. [2019-12-19 05:26:04,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-12-19 05:26:04,219 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:26:04,220 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-19 05:26:04,220 INFO L410 AbstractCegarLoop]: === Iteration 5 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 05:26:04,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:26:04,220 INFO L82 PathProgramCache]: Analyzing trace with hash 1134933375, now seen corresponding path program 1 times [2019-12-19 05:26:04,220 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:26:04,221 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677774615] [2019-12-19 05:26:04,221 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:26:04,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:26:04,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 05:26:04,332 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677774615] [2019-12-19 05:26:04,332 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 05:26:04,333 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-19 05:26:04,333 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46739890] [2019-12-19 05:26:04,333 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-19 05:26:04,334 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:26:04,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-19 05:26:04,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-19 05:26:04,334 INFO L87 Difference]: Start difference. First operand 134929 states and 604573 transitions. Second operand 6 states. [2019-12-19 05:26:07,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:26:07,165 INFO L93 Difference]: Finished difference Result 185113 states and 812727 transitions. [2019-12-19 05:26:07,166 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-12-19 05:26:07,166 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 66 [2019-12-19 05:26:07,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:26:07,834 INFO L225 Difference]: With dead ends: 185113 [2019-12-19 05:26:07,834 INFO L226 Difference]: Without dead ends: 183913 [2019-12-19 05:26:07,834 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2019-12-19 05:26:08,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183913 states. [2019-12-19 05:26:19,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183913 to 160429. [2019-12-19 05:26:19,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160429 states. [2019-12-19 05:26:20,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160429 states to 160429 states and 711514 transitions. [2019-12-19 05:26:20,622 INFO L78 Accepts]: Start accepts. Automaton has 160429 states and 711514 transitions. Word has length 66 [2019-12-19 05:26:20,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 05:26:20,622 INFO L462 AbstractCegarLoop]: Abstraction has 160429 states and 711514 transitions. [2019-12-19 05:26:20,622 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-19 05:26:20,622 INFO L276 IsEmpty]: Start isEmpty. Operand 160429 states and 711514 transitions. [2019-12-19 05:26:20,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-12-19 05:26:20,731 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:26:20,731 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-19 05:26:20,731 INFO L410 AbstractCegarLoop]: === Iteration 6 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 05:26:20,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:26:20,731 INFO L82 PathProgramCache]: Analyzing trace with hash 770590772, now seen corresponding path program 1 times [2019-12-19 05:26:20,732 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:26:20,732 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70132502] [2019-12-19 05:26:20,732 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:26:20,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:26:20,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 05:26:20,786 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70132502] [2019-12-19 05:26:20,787 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 05:26:20,787 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-19 05:26:20,787 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611534677] [2019-12-19 05:26:20,787 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-19 05:26:20,788 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:26:20,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-19 05:26:20,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-19 05:26:20,788 INFO L87 Difference]: Start difference. First operand 160429 states and 711514 transitions. Second operand 3 states. [2019-12-19 05:26:22,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:26:22,132 INFO L93 Difference]: Finished difference Result 202237 states and 884074 transitions. [2019-12-19 05:26:22,132 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-19 05:26:22,132 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2019-12-19 05:26:22,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:26:29,421 INFO L225 Difference]: With dead ends: 202237 [2019-12-19 05:26:29,421 INFO L226 Difference]: Without dead ends: 202237 [2019-12-19 05:26:29,421 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-19 05:26:30,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202237 states. [2019-12-19 05:26:34,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202237 to 176149. [2019-12-19 05:26:34,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176149 states. [2019-12-19 05:26:35,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176149 states to 176149 states and 777056 transitions. [2019-12-19 05:26:35,569 INFO L78 Accepts]: Start accepts. Automaton has 176149 states and 777056 transitions. Word has length 68 [2019-12-19 05:26:35,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 05:26:35,570 INFO L462 AbstractCegarLoop]: Abstraction has 176149 states and 777056 transitions. [2019-12-19 05:26:35,570 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-19 05:26:35,570 INFO L276 IsEmpty]: Start isEmpty. Operand 176149 states and 777056 transitions. [2019-12-19 05:26:35,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-12-19 05:26:35,734 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:26:35,734 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-19 05:26:35,734 INFO L410 AbstractCegarLoop]: === Iteration 7 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 05:26:35,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:26:35,735 INFO L82 PathProgramCache]: Analyzing trace with hash -262866000, now seen corresponding path program 1 times [2019-12-19 05:26:35,735 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:26:35,735 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355222182] [2019-12-19 05:26:35,735 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:26:35,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:26:35,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 05:26:35,834 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355222182] [2019-12-19 05:26:35,834 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 05:26:35,835 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-19 05:26:35,835 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268806456] [2019-12-19 05:26:35,835 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-19 05:26:35,835 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:26:35,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-19 05:26:35,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-12-19 05:26:35,836 INFO L87 Difference]: Start difference. First operand 176149 states and 777056 transitions. Second operand 7 states. [2019-12-19 05:26:43,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:26:43,772 INFO L93 Difference]: Finished difference Result 224101 states and 971732 transitions. [2019-12-19 05:26:43,772 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-12-19 05:26:43,772 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 72 [2019-12-19 05:26:43,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:26:44,570 INFO L225 Difference]: With dead ends: 224101 [2019-12-19 05:26:44,570 INFO L226 Difference]: Without dead ends: 222901 [2019-12-19 05:26:44,570 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=289, Unknown=0, NotChecked=0, Total=380 [2019-12-19 05:26:46,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222901 states. [2019-12-19 05:26:50,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222901 to 180725. [2019-12-19 05:26:50,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180725 states. [2019-12-19 05:26:52,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180725 states to 180725 states and 796148 transitions. [2019-12-19 05:26:52,854 INFO L78 Accepts]: Start accepts. Automaton has 180725 states and 796148 transitions. Word has length 72 [2019-12-19 05:26:52,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 05:26:52,854 INFO L462 AbstractCegarLoop]: Abstraction has 180725 states and 796148 transitions. [2019-12-19 05:26:52,854 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-19 05:26:52,854 INFO L276 IsEmpty]: Start isEmpty. Operand 180725 states and 796148 transitions. [2019-12-19 05:26:53,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-12-19 05:26:53,026 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:26:53,026 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-19 05:26:53,026 INFO L410 AbstractCegarLoop]: === Iteration 8 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 05:26:53,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:26:53,026 INFO L82 PathProgramCache]: Analyzing trace with hash 2144184833, now seen corresponding path program 1 times [2019-12-19 05:26:53,027 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:26:53,027 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724474884] [2019-12-19 05:26:53,027 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:26:53,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:26:53,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 05:26:53,124 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724474884] [2019-12-19 05:26:53,125 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 05:26:53,125 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-19 05:26:53,125 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276587836] [2019-12-19 05:26:53,125 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-19 05:26:53,126 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:26:53,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-19 05:26:53,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-12-19 05:26:53,126 INFO L87 Difference]: Start difference. First operand 180725 states and 796148 transitions. Second operand 7 states. [2019-12-19 05:27:02,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:27:02,882 INFO L93 Difference]: Finished difference Result 220861 states and 957730 transitions. [2019-12-19 05:27:02,882 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-12-19 05:27:02,883 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 73 [2019-12-19 05:27:02,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:27:03,703 INFO L225 Difference]: With dead ends: 220861 [2019-12-19 05:27:03,703 INFO L226 Difference]: Without dead ends: 219861 [2019-12-19 05:27:03,704 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=106, Invalid=356, Unknown=0, NotChecked=0, Total=462 [2019-12-19 05:27:04,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219861 states. [2019-12-19 05:27:09,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219861 to 184237. [2019-12-19 05:27:09,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184237 states. [2019-12-19 05:27:09,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184237 states to 184237 states and 810266 transitions. [2019-12-19 05:27:09,915 INFO L78 Accepts]: Start accepts. Automaton has 184237 states and 810266 transitions. Word has length 73 [2019-12-19 05:27:09,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 05:27:09,916 INFO L462 AbstractCegarLoop]: Abstraction has 184237 states and 810266 transitions. [2019-12-19 05:27:09,916 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-19 05:27:09,916 INFO L276 IsEmpty]: Start isEmpty. Operand 184237 states and 810266 transitions. [2019-12-19 05:27:10,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-12-19 05:27:10,103 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:27:10,103 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-19 05:27:10,103 INFO L410 AbstractCegarLoop]: === Iteration 9 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 05:27:10,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:27:10,104 INFO L82 PathProgramCache]: Analyzing trace with hash 698442490, now seen corresponding path program 1 times [2019-12-19 05:27:10,104 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:27:10,104 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173130130] [2019-12-19 05:27:10,104 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:27:10,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:27:10,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 05:27:10,243 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173130130] [2019-12-19 05:27:10,243 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 05:27:10,243 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-19 05:27:10,244 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931622332] [2019-12-19 05:27:10,244 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-19 05:27:10,244 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:27:10,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-19 05:27:10,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-12-19 05:27:10,245 INFO L87 Difference]: Start difference. First operand 184237 states and 810266 transitions. Second operand 6 states. [2019-12-19 05:27:17,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:27:17,985 INFO L93 Difference]: Finished difference Result 262765 states and 1148126 transitions. [2019-12-19 05:27:17,986 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-19 05:27:17,986 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 75 [2019-12-19 05:27:17,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:27:18,951 INFO L225 Difference]: With dead ends: 262765 [2019-12-19 05:27:18,951 INFO L226 Difference]: Without dead ends: 260189 [2019-12-19 05:27:18,951 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-12-19 05:27:20,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260189 states. [2019-12-19 05:27:29,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260189 to 224437. [2019-12-19 05:27:29,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224437 states. [2019-12-19 05:27:31,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224437 states to 224437 states and 986536 transitions. [2019-12-19 05:27:31,866 INFO L78 Accepts]: Start accepts. Automaton has 224437 states and 986536 transitions. Word has length 75 [2019-12-19 05:27:31,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 05:27:31,866 INFO L462 AbstractCegarLoop]: Abstraction has 224437 states and 986536 transitions. [2019-12-19 05:27:31,867 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-19 05:27:31,867 INFO L276 IsEmpty]: Start isEmpty. Operand 224437 states and 986536 transitions. [2019-12-19 05:27:32,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-12-19 05:27:32,123 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:27:32,123 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-19 05:27:32,124 INFO L410 AbstractCegarLoop]: === Iteration 10 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 05:27:32,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:27:32,124 INFO L82 PathProgramCache]: Analyzing trace with hash 1660056507, now seen corresponding path program 1 times [2019-12-19 05:27:32,124 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:27:32,124 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062981463] [2019-12-19 05:27:32,124 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:27:32,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:27:32,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 05:27:32,246 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062981463] [2019-12-19 05:27:32,246 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 05:27:32,247 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-19 05:27:32,247 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825735693] [2019-12-19 05:27:32,247 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-19 05:27:32,247 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:27:32,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-19 05:27:32,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-12-19 05:27:32,248 INFO L87 Difference]: Start difference. First operand 224437 states and 986536 transitions. Second operand 7 states. [2019-12-19 05:27:42,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:27:42,017 INFO L93 Difference]: Finished difference Result 332389 states and 1421212 transitions. [2019-12-19 05:27:42,017 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-12-19 05:27:42,017 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 75 [2019-12-19 05:27:42,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:27:43,229 INFO L225 Difference]: With dead ends: 332389 [2019-12-19 05:27:43,229 INFO L226 Difference]: Without dead ends: 332389 [2019-12-19 05:27:43,230 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2019-12-19 05:27:45,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332389 states. Received shutdown request... [2019-12-19 05:27:57,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332389 to 304585. [2019-12-19 05:27:57,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 304585 states. [2019-12-19 05:27:57,573 WARN L527 AbstractCegarLoop]: Verification canceled [2019-12-19 05:27:57,579 WARN L227 ceAbstractionStarter]: Timeout [2019-12-19 05:27:57,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.12 05:27:57 BasicIcfg [2019-12-19 05:27:57,580 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-19 05:27:57,582 INFO L168 Benchmark]: Toolchain (without parser) took 182645.85 ms. Allocated memory was 145.8 MB in the beginning and 4.7 GB in the end (delta: 4.6 GB). Free memory was 102.3 MB in the beginning and 1.6 GB in the end (delta: -1.5 GB). Peak memory consumption was 3.4 GB. Max. memory is 7.1 GB. [2019-12-19 05:27:57,583 INFO L168 Benchmark]: CDTParser took 0.45 ms. Allocated memory is still 145.8 MB. Free memory is still 121.7 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-12-19 05:27:57,584 INFO L168 Benchmark]: CACSL2BoogieTranslator took 794.17 ms. Allocated memory was 145.8 MB in the beginning and 203.4 MB in the end (delta: 57.7 MB). Free memory was 101.9 MB in the beginning and 155.4 MB in the end (delta: -53.5 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. [2019-12-19 05:27:57,585 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.98 ms. Allocated memory is still 203.4 MB. Free memory was 155.4 MB in the beginning and 152.5 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2019-12-19 05:27:57,585 INFO L168 Benchmark]: Boogie Preprocessor took 38.43 ms. Allocated memory is still 203.4 MB. Free memory was 152.5 MB in the beginning and 149.6 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2019-12-19 05:27:57,586 INFO L168 Benchmark]: RCFGBuilder took 839.68 ms. Allocated memory is still 203.4 MB. Free memory was 149.6 MB in the beginning and 103.7 MB in the end (delta: 45.9 MB). Peak memory consumption was 45.9 MB. Max. memory is 7.1 GB. [2019-12-19 05:27:57,587 INFO L168 Benchmark]: TraceAbstraction took 180898.18 ms. Allocated memory was 203.4 MB in the beginning and 4.7 GB in the end (delta: 4.5 GB). Free memory was 102.7 MB in the beginning and 1.6 GB in the end (delta: -1.5 GB). Peak memory consumption was 3.4 GB. Max. memory is 7.1 GB. [2019-12-19 05:27:57,591 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 ms. Allocated memory is still 145.8 MB. Free memory is still 121.7 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 794.17 ms. Allocated memory was 145.8 MB in the beginning and 203.4 MB in the end (delta: 57.7 MB). Free memory was 101.9 MB in the beginning and 155.4 MB in the end (delta: -53.5 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 69.98 ms. Allocated memory is still 203.4 MB. Free memory was 155.4 MB in the beginning and 152.5 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 38.43 ms. Allocated memory is still 203.4 MB. Free memory was 152.5 MB in the beginning and 149.6 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 839.68 ms. Allocated memory is still 203.4 MB. Free memory was 149.6 MB in the beginning and 103.7 MB in the end (delta: 45.9 MB). Peak memory consumption was 45.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 180898.18 ms. Allocated memory was 203.4 MB in the beginning and 4.7 GB in the end (delta: 4.5 GB). Free memory was 102.7 MB in the beginning and 1.6 GB in the end (delta: -1.5 GB). Peak memory consumption was 3.4 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 4]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 4). Cancelled while ReachableStatesComputation was computing reachable states (1 states constructedinput type DoubleDeckerAutomaton). - TimeoutResultAtElement [Line: 4]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 4). Cancelled while ReachableStatesComputation was computing reachable states (1 states constructedinput type DoubleDeckerAutomaton). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 153 locations, 2 error locations. Result: TIMEOUT, OverallTime: 180.7s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 69.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 3510 SDtfs, 4232 SDslu, 8656 SDs, 0 SdLazy, 3743 SolverSat, 295 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 123 GetRequests, 31 SyntacticMatches, 2 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 207 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=224437occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 96.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 238876 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 635 NumberOfCodeBlocks, 635 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 625 ConstructedInterpolants, 0 QuantifiedInterpolants, 91511 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown