/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-SemanticLbe-MCR.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe013_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-27 18:15:02,592 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-27 18:15:02,595 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-27 18:15:02,614 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-27 18:15:02,614 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-27 18:15:02,616 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-27 18:15:02,618 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-27 18:15:02,628 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-27 18:15:02,631 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-27 18:15:02,634 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-27 18:15:02,636 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-27 18:15:02,638 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-27 18:15:02,638 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-27 18:15:02,640 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-27 18:15:02,642 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-27 18:15:02,644 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-27 18:15:02,645 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-27 18:15:02,646 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-27 18:15:02,648 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-27 18:15:02,653 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-27 18:15:02,657 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-27 18:15:02,661 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-27 18:15:02,662 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-27 18:15:02,663 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-27 18:15:02,665 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-27 18:15:02,665 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-27 18:15:02,665 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-27 18:15:02,667 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-27 18:15:02,668 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-27 18:15:02,669 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-27 18:15:02,669 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-27 18:15:02,671 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-27 18:15:02,672 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-27 18:15:02,674 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-27 18:15:02,675 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-27 18:15:02,675 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-27 18:15:02,676 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-27 18:15:02,676 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-27 18:15:02,676 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-27 18:15:02,677 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-27 18:15:02,678 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-27 18:15:02,679 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-SemanticLbe-MCR.epf [2019-12-27 18:15:02,717 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-27 18:15:02,718 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-27 18:15:02,719 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-27 18:15:02,719 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-27 18:15:02,719 INFO L138 SettingsManager]: * Use SBE=true [2019-12-27 18:15:02,719 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-27 18:15:02,720 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-27 18:15:02,723 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-27 18:15:02,723 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-27 18:15:02,723 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-27 18:15:02,724 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-27 18:15:02,724 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-27 18:15:02,724 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-27 18:15:02,724 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-27 18:15:02,724 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-27 18:15:02,724 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-27 18:15:02,727 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-27 18:15:02,727 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-27 18:15:02,727 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-27 18:15:02,728 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-27 18:15:02,728 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-27 18:15:02,728 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 18:15:02,728 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-27 18:15:02,728 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-27 18:15:02,729 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-27 18:15:02,729 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-27 18:15:02,729 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-27 18:15:02,729 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2019-12-27 18:15:02,729 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-27 18:15:02,729 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2019-12-27 18:15:02,730 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-27 18:15:03,030 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-27 18:15:03,044 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-27 18:15:03,050 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-27 18:15:03,051 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-27 18:15:03,052 INFO L275 PluginConnector]: CDTParser initialized [2019-12-27 18:15:03,054 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe013_pso.oepc.i [2019-12-27 18:15:03,127 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1e514e32/9522c09edaee4690b7bbaf74b6d2a30b/FLAG3fa681697 [2019-12-27 18:15:03,655 INFO L306 CDTParser]: Found 1 translation units. [2019-12-27 18:15:03,656 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe013_pso.oepc.i [2019-12-27 18:15:03,677 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1e514e32/9522c09edaee4690b7bbaf74b6d2a30b/FLAG3fa681697 [2019-12-27 18:15:03,922 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1e514e32/9522c09edaee4690b7bbaf74b6d2a30b [2019-12-27 18:15:03,931 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-27 18:15:03,933 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-27 18:15:03,934 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-27 18:15:03,936 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-27 18:15:03,941 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-27 18:15:03,941 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 06:15:03" (1/1) ... [2019-12-27 18:15:03,944 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b8a5782 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:15:03, skipping insertion in model container [2019-12-27 18:15:03,945 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 06:15:03" (1/1) ... [2019-12-27 18:15:03,953 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-27 18:15:04,019 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-27 18:15:04,536 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 18:15:04,550 INFO L203 MainTranslator]: Completed pre-run [2019-12-27 18:15:04,656 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 18:15:04,738 INFO L208 MainTranslator]: Completed translation [2019-12-27 18:15:04,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:15:04 WrapperNode [2019-12-27 18:15:04,738 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-27 18:15:04,739 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-27 18:15:04,739 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-27 18:15:04,739 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-27 18:15:04,748 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:15:04" (1/1) ... [2019-12-27 18:15:04,766 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:15:04" (1/1) ... [2019-12-27 18:15:04,796 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-27 18:15:04,796 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-27 18:15:04,797 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-27 18:15:04,797 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-27 18:15:04,805 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:15:04" (1/1) ... [2019-12-27 18:15:04,805 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:15:04" (1/1) ... [2019-12-27 18:15:04,810 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:15:04" (1/1) ... [2019-12-27 18:15:04,810 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:15:04" (1/1) ... [2019-12-27 18:15:04,823 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:15:04" (1/1) ... [2019-12-27 18:15:04,828 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:15:04" (1/1) ... [2019-12-27 18:15:04,831 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:15:04" (1/1) ... [2019-12-27 18:15:04,836 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-27 18:15:04,837 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-27 18:15:04,837 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-27 18:15:04,837 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-27 18:15:04,838 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:15:04" (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 [2019-12-27 18:15:04,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-27 18:15:04,899 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-27 18:15:04,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-27 18:15:04,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-27 18:15:04,899 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-27 18:15:04,900 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-27 18:15:04,900 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-27 18:15:04,900 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-27 18:15:04,900 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-12-27 18:15:04,900 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-12-27 18:15:04,900 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-27 18:15:04,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-27 18:15:04,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-27 18:15:04,902 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-27 18:15:05,643 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-27 18:15:05,643 INFO L287 CfgBuilder]: Removed 8 assume(true) statements. [2019-12-27 18:15:05,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 06:15:05 BoogieIcfgContainer [2019-12-27 18:15:05,645 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-27 18:15:05,646 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-27 18:15:05,647 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-27 18:15:05,652 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-27 18:15:05,652 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.12 06:15:03" (1/3) ... [2019-12-27 18:15:05,654 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62f1f35b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 06:15:05, skipping insertion in model container [2019-12-27 18:15:05,654 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:15:04" (2/3) ... [2019-12-27 18:15:05,655 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62f1f35b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 06:15:05, skipping insertion in model container [2019-12-27 18:15:05,655 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 06:15:05" (3/3) ... [2019-12-27 18:15:05,658 INFO L109 eAbstractionObserver]: Analyzing ICFG safe013_pso.oepc.i [2019-12-27 18:15:05,669 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-27 18:15:05,670 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-27 18:15:05,689 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-12-27 18:15:05,690 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-27 18:15:05,754 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,754 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,755 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,755 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,755 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,756 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,756 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,756 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,756 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,757 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,757 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,757 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,759 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,759 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,760 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,760 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,760 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,760 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,761 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,761 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,761 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,761 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,762 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,762 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,762 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,763 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,763 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,763 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,763 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,764 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,764 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,764 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,765 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,766 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,766 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,767 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,767 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,768 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,769 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,771 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,772 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,772 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,772 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,773 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,773 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,773 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,773 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,774 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,774 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,775 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,775 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,775 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,775 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,776 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,776 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,776 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,776 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,777 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,777 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,777 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,777 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,778 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,778 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,778 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,778 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,778 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,779 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,779 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,779 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,779 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,780 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,780 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,780 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,780 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,781 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,781 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,781 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,781 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,782 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,782 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,782 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,782 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,783 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,783 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,800 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,800 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,800 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,801 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,801 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,801 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,801 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,801 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,802 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,802 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,803 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,803 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,803 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,803 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,803 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,804 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,804 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,804 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,805 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,805 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,805 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,805 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,805 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,806 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,806 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,806 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,806 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,807 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,807 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,807 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,807 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,807 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,808 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,808 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,808 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,808 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,808 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,809 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,809 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,809 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,809 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,809 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,810 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,810 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,810 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,810 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,811 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,811 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,811 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,811 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,811 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,812 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,812 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,812 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,812 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,812 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,813 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,813 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,813 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,813 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,813 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,814 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,814 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,814 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,814 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,814 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,814 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,815 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,815 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,815 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,815 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,815 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,816 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,816 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,819 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,820 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,820 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,820 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,820 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,820 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,821 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,821 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,821 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,821 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,821 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,822 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,825 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,825 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,825 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,826 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,826 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,826 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,826 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,826 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,827 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,827 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,829 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,829 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,830 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,830 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,830 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,830 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,830 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,831 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,831 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,831 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,831 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,831 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,831 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,832 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,832 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,832 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,832 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,832 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,833 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,833 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,833 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,833 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,833 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,833 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,834 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,834 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,834 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:15:05,849 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-12-27 18:15:05,869 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 18:15:05,869 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 18:15:05,869 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 18:15:05,869 INFO L376 AbstractCegarLoop]: Backedges is MCR [2019-12-27 18:15:05,869 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 18:15:05,870 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 18:15:05,870 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 18:15:05,870 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 18:15:05,884 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 163 places, 194 transitions [2019-12-27 18:15:05,886 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 163 places, 194 transitions [2019-12-27 18:15:05,983 INFO L132 PetriNetUnfolder]: 41/191 cut-off events. [2019-12-27 18:15:05,983 INFO L133 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-27 18:15:06,001 INFO L76 FinitePrefix]: Finished finitePrefix Result has 201 conditions, 191 events. 41/191 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 447 event pairs. 0/148 useless extension candidates. Maximal degree in co-relation 161. Up to 2 conditions per place. [2019-12-27 18:15:06,025 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 163 places, 194 transitions [2019-12-27 18:15:06,086 INFO L132 PetriNetUnfolder]: 41/191 cut-off events. [2019-12-27 18:15:06,087 INFO L133 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-27 18:15:06,097 INFO L76 FinitePrefix]: Finished finitePrefix Result has 201 conditions, 191 events. 41/191 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 447 event pairs. 0/148 useless extension candidates. Maximal degree in co-relation 161. Up to 2 conditions per place. [2019-12-27 18:15:06,118 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 16696 [2019-12-27 18:15:06,119 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-27 18:15:11,619 WARN L192 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 87 [2019-12-27 18:15:11,742 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-12-27 18:15:11,852 INFO L206 etLargeBlockEncoding]: Checked pairs total: 66094 [2019-12-27 18:15:11,853 INFO L214 etLargeBlockEncoding]: Total number of compositions: 112 [2019-12-27 18:15:11,857 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 83 places, 92 transitions [2019-12-27 18:15:23,467 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 86132 states. [2019-12-27 18:15:23,470 INFO L276 IsEmpty]: Start isEmpty. Operand 86132 states. [2019-12-27 18:15:23,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-27 18:15:23,476 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 18:15:23,477 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-12-27 18:15:23,477 INFO L410 AbstractCegarLoop]: === Iteration 1 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 18:15:23,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 18:15:23,488 INFO L82 PathProgramCache]: Analyzing trace with hash 794637732, now seen corresponding path program 1 times [2019-12-27 18:15:23,499 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 18:15:23,499 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328242961] [2019-12-27 18:15:23,499 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 18:15:23,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 18:15:23,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 18:15:23,732 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328242961] [2019-12-27 18:15:23,733 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 18:15:23,733 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-27 18:15:23,734 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [306582177] [2019-12-27 18:15:23,735 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 18:15:23,739 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 18:15:23,753 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 6 states and 5 transitions. [2019-12-27 18:15:23,753 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 18:15:23,757 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 18:15:23,757 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 18:15:23,758 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 18:15:23,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 18:15:23,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 18:15:23,775 INFO L87 Difference]: Start difference. First operand 86132 states. Second operand 3 states. [2019-12-27 18:15:25,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 18:15:25,939 INFO L93 Difference]: Finished difference Result 85012 states and 367904 transitions. [2019-12-27 18:15:25,940 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 18:15:25,941 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2019-12-27 18:15:25,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 18:15:26,560 INFO L225 Difference]: With dead ends: 85012 [2019-12-27 18:15:26,560 INFO L226 Difference]: Without dead ends: 80140 [2019-12-27 18:15:26,562 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 18:15:31,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80140 states. [2019-12-27 18:15:33,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80140 to 80140. [2019-12-27 18:15:33,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80140 states. [2019-12-27 18:15:34,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80140 states to 80140 states and 346330 transitions. [2019-12-27 18:15:34,581 INFO L78 Accepts]: Start accepts. Automaton has 80140 states and 346330 transitions. Word has length 5 [2019-12-27 18:15:34,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 18:15:34,581 INFO L462 AbstractCegarLoop]: Abstraction has 80140 states and 346330 transitions. [2019-12-27 18:15:34,581 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 18:15:34,581 INFO L276 IsEmpty]: Start isEmpty. Operand 80140 states and 346330 transitions. [2019-12-27 18:15:34,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-27 18:15:34,589 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 18:15:34,590 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 18:15:34,590 INFO L410 AbstractCegarLoop]: === Iteration 2 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 18:15:34,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 18:15:34,590 INFO L82 PathProgramCache]: Analyzing trace with hash -1795694344, now seen corresponding path program 1 times [2019-12-27 18:15:34,591 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 18:15:34,591 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632814837] [2019-12-27 18:15:34,591 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 18:15:34,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 18:15:34,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 18:15:34,702 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632814837] [2019-12-27 18:15:34,702 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 18:15:34,702 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 18:15:34,703 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [117412765] [2019-12-27 18:15:34,703 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 18:15:34,704 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 18:15:34,712 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 14 states and 13 transitions. [2019-12-27 18:15:34,712 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 18:15:34,712 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 18:15:34,714 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 18:15:34,714 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 18:15:34,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 18:15:34,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 18:15:34,715 INFO L87 Difference]: Start difference. First operand 80140 states and 346330 transitions. Second operand 4 states. [2019-12-27 18:15:39,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 18:15:39,337 INFO L93 Difference]: Finished difference Result 123388 states and 510822 transitions. [2019-12-27 18:15:39,338 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-27 18:15:39,338 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2019-12-27 18:15:39,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 18:15:39,827 INFO L225 Difference]: With dead ends: 123388 [2019-12-27 18:15:39,827 INFO L226 Difference]: Without dead ends: 123290 [2019-12-27 18:15:39,828 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-27 18:15:43,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123290 states. [2019-12-27 18:15:46,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123290 to 114218. [2019-12-27 18:15:46,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114218 states. [2019-12-27 18:15:47,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114218 states to 114218 states and 477794 transitions. [2019-12-27 18:15:47,023 INFO L78 Accepts]: Start accepts. Automaton has 114218 states and 477794 transitions. Word has length 13 [2019-12-27 18:15:47,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 18:15:47,024 INFO L462 AbstractCegarLoop]: Abstraction has 114218 states and 477794 transitions. [2019-12-27 18:15:47,026 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 18:15:47,026 INFO L276 IsEmpty]: Start isEmpty. Operand 114218 states and 477794 transitions. [2019-12-27 18:15:47,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-27 18:15:47,030 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 18:15:47,030 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 18:15:47,030 INFO L410 AbstractCegarLoop]: === Iteration 3 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 18:15:47,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 18:15:47,031 INFO L82 PathProgramCache]: Analyzing trace with hash -1307118492, now seen corresponding path program 1 times [2019-12-27 18:15:47,032 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 18:15:47,032 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917824919] [2019-12-27 18:15:47,032 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 18:15:47,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 18:15:47,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 18:15:47,150 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917824919] [2019-12-27 18:15:47,150 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 18:15:47,151 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 18:15:47,152 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1619950913] [2019-12-27 18:15:47,152 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 18:15:47,154 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 18:15:47,156 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 14 states and 13 transitions. [2019-12-27 18:15:47,156 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 18:15:47,156 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 18:15:47,156 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 18:15:47,157 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 18:15:47,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 18:15:47,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 18:15:47,157 INFO L87 Difference]: Start difference. First operand 114218 states and 477794 transitions. Second operand 4 states. [2019-12-27 18:15:52,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 18:15:52,824 INFO L93 Difference]: Finished difference Result 159677 states and 652290 transitions. [2019-12-27 18:15:52,825 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-27 18:15:52,825 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2019-12-27 18:15:52,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 18:15:53,346 INFO L225 Difference]: With dead ends: 159677 [2019-12-27 18:15:53,347 INFO L226 Difference]: Without dead ends: 159565 [2019-12-27 18:15:53,347 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-27 18:15:57,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159565 states. [2019-12-27 18:15:59,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159565 to 136035. [2019-12-27 18:15:59,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136035 states. [2019-12-27 18:16:00,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136035 states to 136035 states and 564894 transitions. [2019-12-27 18:16:00,985 INFO L78 Accepts]: Start accepts. Automaton has 136035 states and 564894 transitions. Word has length 13 [2019-12-27 18:16:00,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 18:16:00,985 INFO L462 AbstractCegarLoop]: Abstraction has 136035 states and 564894 transitions. [2019-12-27 18:16:00,986 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 18:16:00,989 INFO L276 IsEmpty]: Start isEmpty. Operand 136035 states and 564894 transitions. [2019-12-27 18:16:00,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-27 18:16:00,993 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 18:16:00,993 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 18:16:00,993 INFO L410 AbstractCegarLoop]: === Iteration 4 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 18:16:00,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 18:16:00,994 INFO L82 PathProgramCache]: Analyzing trace with hash 2137171342, now seen corresponding path program 1 times [2019-12-27 18:16:00,994 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 18:16:01,000 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364784103] [2019-12-27 18:16:01,001 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 18:16:01,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 18:16:01,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 18:16:01,069 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364784103] [2019-12-27 18:16:01,069 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 18:16:01,069 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 18:16:01,070 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1976235059] [2019-12-27 18:16:01,070 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 18:16:01,072 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 18:16:01,077 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 33 states and 50 transitions. [2019-12-27 18:16:01,077 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 18:16:01,126 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 4 times. [2019-12-27 18:16:01,126 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-27 18:16:01,126 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 18:16:01,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-27 18:16:01,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-27 18:16:01,127 INFO L87 Difference]: Start difference. First operand 136035 states and 564894 transitions. Second operand 5 states. [2019-12-27 18:16:02,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 18:16:02,165 INFO L93 Difference]: Finished difference Result 181618 states and 742473 transitions. [2019-12-27 18:16:02,165 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 18:16:02,165 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2019-12-27 18:16:02,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 18:16:09,094 INFO L225 Difference]: With dead ends: 181618 [2019-12-27 18:16:09,094 INFO L226 Difference]: Without dead ends: 181618 [2019-12-27 18:16:09,094 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-27 18:16:13,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181618 states. [2019-12-27 18:16:15,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181618 to 152081. [2019-12-27 18:16:15,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152081 states. [2019-12-27 18:16:16,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152081 states to 152081 states and 628919 transitions. [2019-12-27 18:16:16,858 INFO L78 Accepts]: Start accepts. Automaton has 152081 states and 628919 transitions. Word has length 14 [2019-12-27 18:16:16,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 18:16:16,859 INFO L462 AbstractCegarLoop]: Abstraction has 152081 states and 628919 transitions. [2019-12-27 18:16:16,859 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-27 18:16:16,859 INFO L276 IsEmpty]: Start isEmpty. Operand 152081 states and 628919 transitions. [2019-12-27 18:16:16,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-27 18:16:16,863 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 18:16:16,864 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 18:16:16,864 INFO L410 AbstractCegarLoop]: === Iteration 5 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 18:16:16,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 18:16:16,864 INFO L82 PathProgramCache]: Analyzing trace with hash 2137037670, now seen corresponding path program 1 times [2019-12-27 18:16:16,865 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 18:16:16,865 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204633379] [2019-12-27 18:16:16,865 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 18:16:16,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 18:16:16,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 18:16:16,921 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204633379] [2019-12-27 18:16:16,921 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 18:16:16,921 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 18:16:16,921 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1873481733] [2019-12-27 18:16:16,922 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 18:16:16,923 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 18:16:16,927 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 33 states and 50 transitions. [2019-12-27 18:16:16,927 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 18:16:16,940 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 2 times. [2019-12-27 18:16:16,941 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-27 18:16:16,941 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 18:16:16,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-27 18:16:16,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-12-27 18:16:16,942 INFO L87 Difference]: Start difference. First operand 152081 states and 628919 transitions. Second operand 5 states. [2019-12-27 18:16:18,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 18:16:18,138 INFO L93 Difference]: Finished difference Result 179622 states and 732719 transitions. [2019-12-27 18:16:18,140 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-27 18:16:18,140 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2019-12-27 18:16:18,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 18:16:18,683 INFO L225 Difference]: With dead ends: 179622 [2019-12-27 18:16:18,685 INFO L226 Difference]: Without dead ends: 179542 [2019-12-27 18:16:18,685 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-12-27 18:16:29,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179542 states. [2019-12-27 18:16:31,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179542 to 157787. [2019-12-27 18:16:31,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157787 states. [2019-12-27 18:16:33,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157787 states to 157787 states and 651479 transitions. [2019-12-27 18:16:33,217 INFO L78 Accepts]: Start accepts. Automaton has 157787 states and 651479 transitions. Word has length 14 [2019-12-27 18:16:33,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 18:16:33,218 INFO L462 AbstractCegarLoop]: Abstraction has 157787 states and 651479 transitions. [2019-12-27 18:16:33,218 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-27 18:16:33,218 INFO L276 IsEmpty]: Start isEmpty. Operand 157787 states and 651479 transitions. [2019-12-27 18:16:33,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-27 18:16:33,222 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 18:16:33,222 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 18:16:33,223 INFO L410 AbstractCegarLoop]: === Iteration 6 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 18:16:33,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 18:16:33,223 INFO L82 PathProgramCache]: Analyzing trace with hash -1997758702, now seen corresponding path program 1 times [2019-12-27 18:16:33,223 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 18:16:33,224 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739698203] [2019-12-27 18:16:33,224 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 18:16:33,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 18:16:33,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 18:16:33,280 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739698203] [2019-12-27 18:16:33,281 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 18:16:33,281 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 18:16:33,281 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [709837817] [2019-12-27 18:16:33,281 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 18:16:33,283 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 18:16:33,288 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 33 states and 50 transitions. [2019-12-27 18:16:33,289 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 18:16:33,312 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 2 times. [2019-12-27 18:16:33,313 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-27 18:16:33,315 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 18:16:33,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-27 18:16:33,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-12-27 18:16:33,315 INFO L87 Difference]: Start difference. First operand 157787 states and 651479 transitions. Second operand 5 states. [2019-12-27 18:16:34,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 18:16:34,548 INFO L93 Difference]: Finished difference Result 189091 states and 772001 transitions. [2019-12-27 18:16:34,548 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-27 18:16:34,548 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2019-12-27 18:16:34,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 18:16:35,075 INFO L225 Difference]: With dead ends: 189091 [2019-12-27 18:16:35,075 INFO L226 Difference]: Without dead ends: 188995 [2019-12-27 18:16:35,075 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-12-27 18:16:46,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188995 states. [2019-12-27 18:16:49,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188995 to 161868. [2019-12-27 18:16:49,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161868 states. [2019-12-27 18:16:49,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161868 states to 161868 states and 668265 transitions. [2019-12-27 18:16:49,628 INFO L78 Accepts]: Start accepts. Automaton has 161868 states and 668265 transitions. Word has length 14 [2019-12-27 18:16:49,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 18:16:49,628 INFO L462 AbstractCegarLoop]: Abstraction has 161868 states and 668265 transitions. [2019-12-27 18:16:49,628 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-27 18:16:49,628 INFO L276 IsEmpty]: Start isEmpty. Operand 161868 states and 668265 transitions. [2019-12-27 18:16:49,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-27 18:16:49,646 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 18:16:49,646 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 18:16:49,646 INFO L410 AbstractCegarLoop]: === Iteration 7 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 18:16:49,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 18:16:49,647 INFO L82 PathProgramCache]: Analyzing trace with hash -1754746770, now seen corresponding path program 1 times [2019-12-27 18:16:49,647 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 18:16:49,648 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577150511] [2019-12-27 18:16:49,648 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 18:16:49,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 18:16:49,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 18:16:49,695 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577150511] [2019-12-27 18:16:49,695 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 18:16:49,695 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-27 18:16:49,696 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [444435088] [2019-12-27 18:16:49,696 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 18:16:49,699 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 18:16:49,701 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 22 states and 24 transitions. [2019-12-27 18:16:49,701 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 18:16:49,701 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 18:16:49,702 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 18:16:49,702 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 18:16:49,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 18:16:49,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 18:16:49,703 INFO L87 Difference]: Start difference. First operand 161868 states and 668265 transitions. Second operand 3 states. [2019-12-27 18:16:55,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 18:16:55,511 INFO L93 Difference]: Finished difference Result 160940 states and 664422 transitions. [2019-12-27 18:16:55,511 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 18:16:55,511 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2019-12-27 18:16:55,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 18:16:56,037 INFO L225 Difference]: With dead ends: 160940 [2019-12-27 18:16:56,037 INFO L226 Difference]: Without dead ends: 160940 [2019-12-27 18:16:56,038 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 18:17:00,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160940 states. [2019-12-27 18:17:02,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160940 to 160940. [2019-12-27 18:17:02,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160940 states. [2019-12-27 18:17:04,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160940 states to 160940 states and 664422 transitions. [2019-12-27 18:17:04,451 INFO L78 Accepts]: Start accepts. Automaton has 160940 states and 664422 transitions. Word has length 18 [2019-12-27 18:17:04,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 18:17:04,451 INFO L462 AbstractCegarLoop]: Abstraction has 160940 states and 664422 transitions. [2019-12-27 18:17:04,451 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 18:17:04,451 INFO L276 IsEmpty]: Start isEmpty. Operand 160940 states and 664422 transitions. [2019-12-27 18:17:04,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-27 18:17:04,470 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 18:17:04,470 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 18:17:04,470 INFO L410 AbstractCegarLoop]: === Iteration 8 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 18:17:04,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 18:17:04,471 INFO L82 PathProgramCache]: Analyzing trace with hash -1406595818, now seen corresponding path program 1 times [2019-12-27 18:17:04,471 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 18:17:04,472 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568015027] [2019-12-27 18:17:04,472 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 18:17:04,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 18:17:04,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 18:17:04,525 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568015027] [2019-12-27 18:17:04,525 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 18:17:04,526 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 18:17:04,526 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [353888603] [2019-12-27 18:17:04,526 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 18:17:04,528 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 18:17:04,532 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 35 states and 50 transitions. [2019-12-27 18:17:04,533 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 18:17:04,543 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 1 times. [2019-12-27 18:17:04,543 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-27 18:17:04,544 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 18:17:04,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-27 18:17:04,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-12-27 18:17:04,544 INFO L87 Difference]: Start difference. First operand 160940 states and 664422 transitions. Second operand 5 states. [2019-12-27 18:17:12,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 18:17:12,852 INFO L93 Difference]: Finished difference Result 320677 states and 1339367 transitions. [2019-12-27 18:17:12,852 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-27 18:17:12,852 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2019-12-27 18:17:12,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 18:17:13,502 INFO L225 Difference]: With dead ends: 320677 [2019-12-27 18:17:13,503 INFO L226 Difference]: Without dead ends: 193709 [2019-12-27 18:17:13,503 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-12-27 18:17:18,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193709 states. [2019-12-27 18:17:20,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193709 to 128270. [2019-12-27 18:17:20,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128270 states. [2019-12-27 18:17:22,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128270 states to 128270 states and 523459 transitions. [2019-12-27 18:17:22,106 INFO L78 Accepts]: Start accepts. Automaton has 128270 states and 523459 transitions. Word has length 19 [2019-12-27 18:17:22,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 18:17:22,107 INFO L462 AbstractCegarLoop]: Abstraction has 128270 states and 523459 transitions. [2019-12-27 18:17:22,107 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-27 18:17:22,107 INFO L276 IsEmpty]: Start isEmpty. Operand 128270 states and 523459 transitions. [2019-12-27 18:17:22,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-27 18:17:22,121 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 18:17:22,121 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 18:17:22,121 INFO L410 AbstractCegarLoop]: === Iteration 9 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 18:17:22,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 18:17:22,121 INFO L82 PathProgramCache]: Analyzing trace with hash -2069277611, now seen corresponding path program 1 times [2019-12-27 18:17:22,122 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 18:17:22,122 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86382277] [2019-12-27 18:17:22,122 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 18:17:22,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 18:17:22,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 18:17:22,225 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86382277] [2019-12-27 18:17:22,225 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 18:17:22,225 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 18:17:22,226 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [841200816] [2019-12-27 18:17:22,226 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 18:17:22,228 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 18:17:22,231 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 26 states and 31 transitions. [2019-12-27 18:17:22,231 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 18:17:22,232 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 18:17:22,232 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-27 18:17:22,233 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 18:17:22,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-27 18:17:22,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-27 18:17:22,233 INFO L87 Difference]: Start difference. First operand 128270 states and 523459 transitions. Second operand 5 states. [2019-12-27 18:17:23,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 18:17:23,506 INFO L93 Difference]: Finished difference Result 169569 states and 676181 transitions. [2019-12-27 18:17:23,507 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-27 18:17:23,507 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2019-12-27 18:17:23,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 18:17:29,477 INFO L225 Difference]: With dead ends: 169569 [2019-12-27 18:17:29,478 INFO L226 Difference]: Without dead ends: 167273 [2019-12-27 18:17:29,478 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-12-27 18:17:33,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167273 states. [2019-12-27 18:17:35,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167273 to 132643. [2019-12-27 18:17:35,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132643 states. [2019-12-27 18:17:36,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132643 states to 132643 states and 541600 transitions. [2019-12-27 18:17:36,435 INFO L78 Accepts]: Start accepts. Automaton has 132643 states and 541600 transitions. Word has length 19 [2019-12-27 18:17:36,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 18:17:36,436 INFO L462 AbstractCegarLoop]: Abstraction has 132643 states and 541600 transitions. [2019-12-27 18:17:36,436 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-27 18:17:36,436 INFO L276 IsEmpty]: Start isEmpty. Operand 132643 states and 541600 transitions. [2019-12-27 18:17:36,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-27 18:17:36,454 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 18:17:36,455 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] [2019-12-27 18:17:36,455 INFO L410 AbstractCegarLoop]: === Iteration 10 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 18:17:36,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 18:17:36,455 INFO L82 PathProgramCache]: Analyzing trace with hash 1494619507, now seen corresponding path program 1 times [2019-12-27 18:17:36,455 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 18:17:36,456 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663991711] [2019-12-27 18:17:36,456 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 18:17:36,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 18:17:36,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 18:17:36,496 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663991711] [2019-12-27 18:17:36,496 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 18:17:36,496 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 18:17:36,497 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [753875041] [2019-12-27 18:17:36,497 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 18:17:36,499 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 18:17:36,504 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 41 states and 60 transitions. [2019-12-27 18:17:36,504 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 18:17:36,505 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 18:17:36,505 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 18:17:36,505 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 18:17:36,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 18:17:36,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 18:17:36,506 INFO L87 Difference]: Start difference. First operand 132643 states and 541600 transitions. Second operand 3 states. [2019-12-27 18:17:38,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 18:17:38,746 INFO L93 Difference]: Finished difference Result 225373 states and 923689 transitions. [2019-12-27 18:17:38,746 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 18:17:38,746 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-12-27 18:17:38,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 18:17:39,077 INFO L225 Difference]: With dead ends: 225373 [2019-12-27 18:17:39,077 INFO L226 Difference]: Without dead ends: 114993 [2019-12-27 18:17:39,078 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 [2019-12-27 18:17:43,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114993 states. [2019-12-27 18:17:51,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114993 to 105754. [2019-12-27 18:17:51,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105754 states. [2019-12-27 18:17:52,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105754 states to 105754 states and 434218 transitions. [2019-12-27 18:17:52,266 INFO L78 Accepts]: Start accepts. Automaton has 105754 states and 434218 transitions. Word has length 20 [2019-12-27 18:17:52,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 18:17:52,267 INFO L462 AbstractCegarLoop]: Abstraction has 105754 states and 434218 transitions. [2019-12-27 18:17:52,267 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 18:17:52,267 INFO L276 IsEmpty]: Start isEmpty. Operand 105754 states and 434218 transitions. [2019-12-27 18:17:52,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-27 18:17:52,285 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 18:17:52,285 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] [2019-12-27 18:17:52,285 INFO L410 AbstractCegarLoop]: === Iteration 11 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 18:17:52,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 18:17:52,285 INFO L82 PathProgramCache]: Analyzing trace with hash 1548802701, now seen corresponding path program 1 times [2019-12-27 18:17:52,285 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 18:17:52,286 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591745675] [2019-12-27 18:17:52,286 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 18:17:52,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 18:17:52,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 18:17:52,347 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591745675] [2019-12-27 18:17:52,347 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 18:17:52,347 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 18:17:52,347 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [480126654] [2019-12-27 18:17:52,347 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 18:17:52,350 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 18:17:52,359 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 60 states and 95 transitions. [2019-12-27 18:17:52,360 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 18:17:52,362 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 3 times. [2019-12-27 18:17:52,362 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 18:17:52,363 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 18:17:52,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 18:17:52,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 18:17:52,363 INFO L87 Difference]: Start difference. First operand 105754 states and 434218 transitions. Second operand 3 states. [2019-12-27 18:17:52,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 18:17:52,930 INFO L93 Difference]: Finished difference Result 100628 states and 407277 transitions. [2019-12-27 18:17:52,931 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 18:17:52,931 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 21 [2019-12-27 18:17:52,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 18:17:53,238 INFO L225 Difference]: With dead ends: 100628 [2019-12-27 18:17:53,239 INFO L226 Difference]: Without dead ends: 100628 [2019-12-27 18:17:53,239 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 18:18:00,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100628 states. [2019-12-27 18:18:01,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100628 to 100628. [2019-12-27 18:18:01,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100628 states. [2019-12-27 18:18:02,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100628 states to 100628 states and 407277 transitions. [2019-12-27 18:18:02,758 INFO L78 Accepts]: Start accepts. Automaton has 100628 states and 407277 transitions. Word has length 21 [2019-12-27 18:18:02,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 18:18:02,758 INFO L462 AbstractCegarLoop]: Abstraction has 100628 states and 407277 transitions. [2019-12-27 18:18:02,758 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 18:18:02,758 INFO L276 IsEmpty]: Start isEmpty. Operand 100628 states and 407277 transitions. [2019-12-27 18:18:02,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-27 18:18:02,773 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 18:18:02,773 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] [2019-12-27 18:18:02,773 INFO L410 AbstractCegarLoop]: === Iteration 12 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 18:18:02,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 18:18:02,773 INFO L82 PathProgramCache]: Analyzing trace with hash -1918737222, now seen corresponding path program 1 times [2019-12-27 18:18:02,774 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 18:18:02,774 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814287662] [2019-12-27 18:18:02,774 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 18:18:02,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 18:18:02,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 18:18:02,866 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814287662] [2019-12-27 18:18:02,867 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 18:18:02,867 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 18:18:02,867 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [935065343] [2019-12-27 18:18:02,867 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 18:18:02,870 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 18:18:02,885 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 68 states and 112 transitions. [2019-12-27 18:18:02,885 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 18:18:02,908 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 2 times. [2019-12-27 18:18:02,909 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-27 18:18:02,909 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 18:18:02,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-27 18:18:02,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-12-27 18:18:02,910 INFO L87 Difference]: Start difference. First operand 100628 states and 407277 transitions. Second operand 6 states. [2019-12-27 18:18:03,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 18:18:03,713 INFO L93 Difference]: Finished difference Result 104069 states and 416887 transitions. [2019-12-27 18:18:03,713 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-27 18:18:03,713 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2019-12-27 18:18:03,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 18:18:04,023 INFO L225 Difference]: With dead ends: 104069 [2019-12-27 18:18:04,023 INFO L226 Difference]: Without dead ends: 102827 [2019-12-27 18:18:04,024 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-27 18:18:07,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102827 states. [2019-12-27 18:18:12,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102827 to 100822. [2019-12-27 18:18:12,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100822 states. [2019-12-27 18:18:13,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100822 states to 100822 states and 407649 transitions. [2019-12-27 18:18:13,601 INFO L78 Accepts]: Start accepts. Automaton has 100822 states and 407649 transitions. Word has length 22 [2019-12-27 18:18:13,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 18:18:13,601 INFO L462 AbstractCegarLoop]: Abstraction has 100822 states and 407649 transitions. [2019-12-27 18:18:13,601 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-27 18:18:13,601 INFO L276 IsEmpty]: Start isEmpty. Operand 100822 states and 407649 transitions. [2019-12-27 18:18:13,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-27 18:18:13,618 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 18:18:13,618 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] [2019-12-27 18:18:13,619 INFO L410 AbstractCegarLoop]: === Iteration 13 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 18:18:13,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 18:18:13,619 INFO L82 PathProgramCache]: Analyzing trace with hash -1430161370, now seen corresponding path program 1 times [2019-12-27 18:18:13,619 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 18:18:13,619 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872516246] [2019-12-27 18:18:13,620 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 18:18:13,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 18:18:13,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 18:18:13,694 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872516246] [2019-12-27 18:18:13,694 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 18:18:13,694 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 18:18:13,694 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1552634608] [2019-12-27 18:18:13,694 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 18:18:13,697 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 18:18:13,709 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 68 states and 112 transitions. [2019-12-27 18:18:13,709 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 18:18:13,724 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 2 times. [2019-12-27 18:18:13,725 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-27 18:18:13,725 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 18:18:13,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-27 18:18:13,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-12-27 18:18:13,726 INFO L87 Difference]: Start difference. First operand 100822 states and 407649 transitions. Second operand 6 states. [2019-12-27 18:18:14,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 18:18:14,727 INFO L93 Difference]: Finished difference Result 131237 states and 518379 transitions. [2019-12-27 18:18:14,727 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-27 18:18:14,727 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2019-12-27 18:18:14,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 18:18:15,063 INFO L225 Difference]: With dead ends: 131237 [2019-12-27 18:18:15,063 INFO L226 Difference]: Without dead ends: 129965 [2019-12-27 18:18:15,063 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 Received shutdown request... [2019-12-27 18:18:19,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129965 states. [2019-12-27 18:18:19,694 WARN L527 AbstractCegarLoop]: Verification canceled [2019-12-27 18:18:19,697 WARN L227 ceAbstractionStarter]: Timeout [2019-12-27 18:18:19,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.12 06:18:19 BasicIcfg [2019-12-27 18:18:19,697 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-27 18:18:19,699 INFO L168 Benchmark]: Toolchain (without parser) took 195765.89 ms. Allocated memory was 140.0 MB in the beginning and 3.8 GB in the end (delta: 3.7 GB). Free memory was 103.4 MB in the beginning and 2.1 GB in the end (delta: -2.0 GB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2019-12-27 18:18:19,700 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 140.0 MB. Free memory was 123.2 MB in the beginning and 123.0 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-12-27 18:18:19,701 INFO L168 Benchmark]: CACSL2BoogieTranslator took 804.40 ms. Allocated memory was 140.0 MB in the beginning and 204.5 MB in the end (delta: 64.5 MB). Free memory was 103.2 MB in the beginning and 158.4 MB in the end (delta: -55.2 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. [2019-12-27 18:18:19,702 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.32 ms. Allocated memory is still 204.5 MB. Free memory was 158.4 MB in the beginning and 155.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2019-12-27 18:18:19,703 INFO L168 Benchmark]: Boogie Preprocessor took 40.29 ms. Allocated memory is still 204.5 MB. Free memory was 155.8 MB in the beginning and 153.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2019-12-27 18:18:19,703 INFO L168 Benchmark]: RCFGBuilder took 808.28 ms. Allocated memory is still 204.5 MB. Free memory was 153.3 MB in the beginning and 107.2 MB in the end (delta: 46.1 MB). Peak memory consumption was 46.1 MB. Max. memory is 7.1 GB. [2019-12-27 18:18:19,704 INFO L168 Benchmark]: TraceAbstraction took 194050.79 ms. Allocated memory was 204.5 MB in the beginning and 3.8 GB in the end (delta: 3.6 GB). Free memory was 106.6 MB in the beginning and 2.1 GB in the end (delta: -2.0 GB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. [2019-12-27 18:18:19,713 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 140.0 MB. Free memory was 123.2 MB in the beginning and 123.0 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 804.40 ms. Allocated memory was 140.0 MB in the beginning and 204.5 MB in the end (delta: 64.5 MB). Free memory was 103.2 MB in the beginning and 158.4 MB in the end (delta: -55.2 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 57.32 ms. Allocated memory is still 204.5 MB. Free memory was 158.4 MB in the beginning and 155.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 40.29 ms. Allocated memory is still 204.5 MB. Free memory was 155.8 MB in the beginning and 153.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 808.28 ms. Allocated memory is still 204.5 MB. Free memory was 153.3 MB in the beginning and 107.2 MB in the end (delta: 46.1 MB). Peak memory consumption was 46.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 194050.79 ms. Allocated memory was 204.5 MB in the beginning and 3.8 GB in the end (delta: 3.6 GB). Free memory was 106.6 MB in the beginning and 2.1 GB in the end (delta: -2.0 GB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 5.9s, 163 ProgramPointsBefore, 83 ProgramPointsAfterwards, 194 TransitionsBefore, 92 TransitionsAfterwards, 16696 CoEnabledTransitionPairs, 7 FixpointIterations, 32 TrivialSequentialCompositions, 45 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 35 ConcurrentYvCompositions, 26 ChoiceCompositions, 6709 VarBasedMoverChecksPositive, 292 VarBasedMoverChecksNegative, 116 SemBasedMoverChecksPositive, 259 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 1.8s, 0 MoverChecksTotal, 66094 CheckedPairsTotal, 112 TotalNumberOfCompositions - TimeoutResultAtElement [Line: 5]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 5). Cancelled while executing MinimizeSevpa. - TimeoutResultAtElement [Line: 5]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 5). Cancelled while executing MinimizeSevpa. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 154 locations, 2 error locations. Result: TIMEOUT, OverallTime: 193.8s, OverallIterations: 13, TraceHistogramMax: 1, AutomataDifference: 54.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1779 SDtfs, 1741 SDslu, 2689 SDs, 0 SdLazy, 1591 SolverSat, 74 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 69 GetRequests, 22 SyntacticMatches, 3 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=161868occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 120.5s AutomataMinimizationTime, 13 MinimizatonAttempts, 222334 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 214 NumberOfCodeBlocks, 214 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 201 ConstructedInterpolants, 0 QuantifiedInterpolants, 12065 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 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