/usr/bin/java -Xmx16000000000 -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/VMCAI2021_PN.epf -i ../../../trunk/examples/svcomp/pthread-wmm/thin002_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-11 18:48:54,598 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-11 18:48:54,601 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-11 18:48:54,647 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-11 18:48:54,648 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-11 18:48:54,659 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-11 18:48:54,660 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-11 18:48:54,663 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-11 18:48:54,665 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-11 18:48:54,669 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-11 18:48:54,670 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-11 18:48:54,672 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-11 18:48:54,673 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-11 18:48:54,676 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-11 18:48:54,678 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-11 18:48:54,679 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-11 18:48:54,681 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-11 18:48:54,683 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-11 18:48:54,685 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-11 18:48:54,691 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-11 18:48:54,694 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-11 18:48:54,695 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-11 18:48:54,697 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-11 18:48:54,698 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-11 18:48:54,702 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-11 18:48:54,702 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-11 18:48:54,703 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-11 18:48:54,706 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-11 18:48:54,706 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-11 18:48:54,707 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-11 18:48:54,707 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-11 18:48:54,708 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-11 18:48:54,709 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-11 18:48:54,710 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-11 18:48:54,711 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-11 18:48:54,712 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-11 18:48:54,713 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-11 18:48:54,713 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-11 18:48:54,713 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-11 18:48:54,714 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-11 18:48:54,715 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-11 18:48:54,716 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/VMCAI2021_PN.epf [2020-10-11 18:48:54,760 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-11 18:48:54,761 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-11 18:48:54,762 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-11 18:48:54,763 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-11 18:48:54,763 INFO L138 SettingsManager]: * Use SBE=true [2020-10-11 18:48:54,763 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-11 18:48:54,763 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-11 18:48:54,763 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-11 18:48:54,764 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-11 18:48:54,764 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-11 18:48:54,765 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-11 18:48:54,765 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-11 18:48:54,765 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-11 18:48:54,766 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-11 18:48:54,766 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-11 18:48:54,766 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-11 18:48:54,766 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-11 18:48:54,766 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-11 18:48:54,767 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-11 18:48:54,767 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-11 18:48:54,767 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-11 18:48:54,767 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-11 18:48:54,768 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-11 18:48:54,768 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-11 18:48:54,768 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-11 18:48:54,768 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-11 18:48:54,768 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-11 18:48:54,768 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-10-11 18:48:54,769 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2020-10-11 18:48:54,769 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-11 18:48:55,057 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-11 18:48:55,070 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-11 18:48:55,074 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-11 18:48:55,076 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-11 18:48:55,076 INFO L275 PluginConnector]: CDTParser initialized [2020-10-11 18:48:55,077 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/thin002_tso.oepc.i [2020-10-11 18:48:55,160 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b7e2803e/9c01984360da43589b31254b08a19a85/FLAG57024d117 [2020-10-11 18:48:55,693 INFO L306 CDTParser]: Found 1 translation units. [2020-10-11 18:48:55,693 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/thin002_tso.oepc.i [2020-10-11 18:48:55,712 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b7e2803e/9c01984360da43589b31254b08a19a85/FLAG57024d117 [2020-10-11 18:48:55,987 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b7e2803e/9c01984360da43589b31254b08a19a85 [2020-10-11 18:48:55,995 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-11 18:48:55,996 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-11 18:48:55,997 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-11 18:48:55,998 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-11 18:48:56,001 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-11 18:48:56,002 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 06:48:55" (1/1) ... [2020-10-11 18:48:56,005 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13ee254b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:48:56, skipping insertion in model container [2020-10-11 18:48:56,006 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 06:48:55" (1/1) ... [2020-10-11 18:48:56,014 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-11 18:48:56,055 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-11 18:48:56,492 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-11 18:48:56,510 INFO L203 MainTranslator]: Completed pre-run [2020-10-11 18:48:56,599 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-11 18:48:56,688 INFO L208 MainTranslator]: Completed translation [2020-10-11 18:48:56,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:48:56 WrapperNode [2020-10-11 18:48:56,689 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-11 18:48:56,690 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-11 18:48:56,690 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-11 18:48:56,690 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-11 18:48:56,700 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:48:56" (1/1) ... [2020-10-11 18:48:56,717 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:48:56" (1/1) ... [2020-10-11 18:48:56,741 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-11 18:48:56,741 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-11 18:48:56,741 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-11 18:48:56,741 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-11 18:48:56,751 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:48:56" (1/1) ... [2020-10-11 18:48:56,752 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:48:56" (1/1) ... [2020-10-11 18:48:56,755 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:48:56" (1/1) ... [2020-10-11 18:48:56,755 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:48:56" (1/1) ... [2020-10-11 18:48:56,761 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:48:56" (1/1) ... [2020-10-11 18:48:56,763 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:48:56" (1/1) ... [2020-10-11 18:48:56,766 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:48:56" (1/1) ... [2020-10-11 18:48:56,769 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-11 18:48:56,769 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-11 18:48:56,769 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-11 18:48:56,769 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-11 18:48:56,770 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:48:56" (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 [2020-10-11 18:48:56,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-11 18:48:56,859 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-11 18:48:56,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-11 18:48:56,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-11 18:48:56,860 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-11 18:48:56,861 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-11 18:48:56,862 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-11 18:48:56,863 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-11 18:48:56,863 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-11 18:48:56,864 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-11 18:48:56,864 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2020-10-11 18:48:56,864 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2020-10-11 18:48:56,864 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-11 18:48:56,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-11 18:48:56,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-11 18:48:56,867 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-11 18:48:57,373 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-11 18:48:57,374 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-10-11 18:48:57,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 06:48:57 BoogieIcfgContainer [2020-10-11 18:48:57,377 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-11 18:48:57,378 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-11 18:48:57,378 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-11 18:48:57,382 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-11 18:48:57,382 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 06:48:55" (1/3) ... [2020-10-11 18:48:57,383 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@392c7ce4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 06:48:57, skipping insertion in model container [2020-10-11 18:48:57,383 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:48:56" (2/3) ... [2020-10-11 18:48:57,384 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@392c7ce4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 06:48:57, skipping insertion in model container [2020-10-11 18:48:57,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 06:48:57" (3/3) ... [2020-10-11 18:48:57,386 INFO L111 eAbstractionObserver]: Analyzing ICFG thin002_tso.oepc.i [2020-10-11 18:48:57,398 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-11 18:48:57,406 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-11 18:48:57,407 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-11 18:48:57,438 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:48:57,438 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:48:57,438 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:48:57,439 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:48:57,439 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:48:57,440 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:48:57,440 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:48:57,440 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:48:57,440 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:48:57,441 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:48:57,441 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:48:57,441 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:48:57,442 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:48:57,442 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:48:57,442 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:48:57,442 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:48:57,443 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:48:57,443 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:48:57,443 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:48:57,444 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:48:57,444 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:48:57,444 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:48:57,444 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:48:57,445 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:48:57,448 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:48:57,449 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:48:57,449 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:48:57,449 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:48:57,457 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:48:57,457 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:48:57,457 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:48:57,458 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:48:57,461 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:48:57,461 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:48:57,461 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:48:57,461 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:48:57,463 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:48:57,464 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:48:57,464 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:48:57,464 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:48:57,482 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-11 18:48:57,503 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-11 18:48:57,503 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-11 18:48:57,503 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-11 18:48:57,504 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-11 18:48:57,504 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-11 18:48:57,504 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-11 18:48:57,504 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-11 18:48:57,504 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-11 18:48:57,517 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 97 places, 86 transitions, 192 flow [2020-10-11 18:48:57,562 INFO L129 PetriNetUnfolder]: 2/82 cut-off events. [2020-10-11 18:48:57,563 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-11 18:48:57,568 INFO L80 FinitePrefix]: Finished finitePrefix Result has 95 conditions, 82 events. 2/82 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 66 event pairs, 0 based on Foata normal form. 0/79 useless extension candidates. Maximal degree in co-relation 69. Up to 2 conditions per place. [2020-10-11 18:48:57,569 INFO L82 GeneralOperation]: Start removeDead. Operand has 97 places, 86 transitions, 192 flow [2020-10-11 18:48:57,575 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 81 places, 69 transitions, 150 flow [2020-10-11 18:48:57,598 INFO L129 PetriNetUnfolder]: 1/68 cut-off events. [2020-10-11 18:48:57,598 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-11 18:48:57,598 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:48:57,600 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 18:48:57,600 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:48:57,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:48:57,606 INFO L82 PathProgramCache]: Analyzing trace with hash 1376710148, now seen corresponding path program 1 times [2020-10-11 18:48:57,615 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:48:57,616 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705627518] [2020-10-11 18:48:57,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:48:57,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:48:58,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 18:48:58,069 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705627518] [2020-10-11 18:48:58,070 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:48:58,070 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-11 18:48:58,071 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462478180] [2020-10-11 18:48:58,082 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-11 18:48:58,082 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:48:58,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-11 18:48:58,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-11 18:48:58,349 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 86 [2020-10-11 18:48:58,351 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 69 transitions, 150 flow. Second operand 6 states. [2020-10-11 18:48:58,352 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:48:58,352 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 86 [2020-10-11 18:48:58,354 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:48:58,625 INFO L129 PetriNetUnfolder]: 3/91 cut-off events. [2020-10-11 18:48:58,625 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-11 18:48:58,626 INFO L80 FinitePrefix]: Finished finitePrefix Result has 124 conditions, 91 events. 3/91 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 138 event pairs, 0 based on Foata normal form. 4/94 useless extension candidates. Maximal degree in co-relation 95. Up to 7 conditions per place. [2020-10-11 18:48:58,628 INFO L132 encePairwiseOnDemand]: 79/86 looper letters, 6 selfloop transitions, 2 changer transitions 11/78 dead transitions. [2020-10-11 18:48:58,628 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 78 transitions, 204 flow [2020-10-11 18:48:58,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-11 18:48:58,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-10-11 18:48:58,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 706 transitions. [2020-10-11 18:48:58,649 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.9121447028423773 [2020-10-11 18:48:58,650 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 706 transitions. [2020-10-11 18:48:58,650 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 706 transitions. [2020-10-11 18:48:58,654 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:48:58,657 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 706 transitions. [2020-10-11 18:48:58,661 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 10 states. [2020-10-11 18:48:58,673 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 10 states. [2020-10-11 18:48:58,673 INFO L81 ComplementDD]: Finished complementDD. Result 10 states. [2020-10-11 18:48:58,676 INFO L185 Difference]: Start difference. First operand has 81 places, 69 transitions, 150 flow. Second operand 9 states and 706 transitions. [2020-10-11 18:48:58,677 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 78 transitions, 204 flow [2020-10-11 18:48:58,681 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 78 transitions, 200 flow, removed 0 selfloop flow, removed 4 redundant places. [2020-10-11 18:48:58,687 INFO L241 Difference]: Finished difference. Result has 92 places, 67 transitions, 162 flow [2020-10-11 18:48:58,690 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=86, PETRI_DIFFERENCE_MINUEND_FLOW=144, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=162, PETRI_PLACES=92, PETRI_TRANSITIONS=67} [2020-10-11 18:48:58,691 INFO L341 CegarLoopForPetriNet]: 81 programPoint places, 11 predicate places. [2020-10-11 18:48:58,691 INFO L481 AbstractCegarLoop]: Abstraction has has 92 places, 67 transitions, 162 flow [2020-10-11 18:48:58,692 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-11 18:48:58,692 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:48:58,692 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 18:48:58,692 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-11 18:48:58,693 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:48:58,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:48:58,693 INFO L82 PathProgramCache]: Analyzing trace with hash -1950055099, now seen corresponding path program 1 times [2020-10-11 18:48:58,693 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:48:58,694 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399373350] [2020-10-11 18:48:58,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:48:58,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:48:58,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 18:48:58,902 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399373350] [2020-10-11 18:48:58,903 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:48:58,903 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-11 18:48:58,903 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551217860] [2020-10-11 18:48:58,905 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-11 18:48:58,906 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:48:58,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-11 18:48:58,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-11 18:48:59,069 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 86 [2020-10-11 18:48:59,070 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 67 transitions, 162 flow. Second operand 7 states. [2020-10-11 18:48:59,070 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:48:59,070 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 86 [2020-10-11 18:48:59,070 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:48:59,294 INFO L129 PetriNetUnfolder]: 4/88 cut-off events. [2020-10-11 18:48:59,294 INFO L130 PetriNetUnfolder]: For 17/24 co-relation queries the response was YES. [2020-10-11 18:48:59,297 INFO L80 FinitePrefix]: Finished finitePrefix Result has 152 conditions, 88 events. 4/88 cut-off events. For 17/24 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 148 event pairs, 0 based on Foata normal form. 2/89 useless extension candidates. Maximal degree in co-relation 137. Up to 7 conditions per place. [2020-10-11 18:48:59,298 INFO L132 encePairwiseOnDemand]: 78/86 looper letters, 6 selfloop transitions, 4 changer transitions 12/79 dead transitions. [2020-10-11 18:48:59,298 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 79 transitions, 253 flow [2020-10-11 18:48:59,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-11 18:48:59,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-10-11 18:48:59,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 764 transitions. [2020-10-11 18:48:59,305 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.8883720930232558 [2020-10-11 18:48:59,305 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 764 transitions. [2020-10-11 18:48:59,305 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 764 transitions. [2020-10-11 18:48:59,306 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:48:59,306 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 764 transitions. [2020-10-11 18:48:59,309 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 11 states. [2020-10-11 18:48:59,313 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 11 states. [2020-10-11 18:48:59,313 INFO L81 ComplementDD]: Finished complementDD. Result 11 states. [2020-10-11 18:48:59,313 INFO L185 Difference]: Start difference. First operand has 92 places, 67 transitions, 162 flow. Second operand 10 states and 764 transitions. [2020-10-11 18:48:59,313 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 79 transitions, 253 flow [2020-10-11 18:48:59,320 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 79 transitions, 219 flow, removed 14 selfloop flow, removed 8 redundant places. [2020-10-11 18:48:59,324 INFO L241 Difference]: Finished difference. Result has 94 places, 67 transitions, 176 flow [2020-10-11 18:48:59,325 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=86, PETRI_DIFFERENCE_MINUEND_FLOW=146, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=176, PETRI_PLACES=94, PETRI_TRANSITIONS=67} [2020-10-11 18:48:59,326 INFO L341 CegarLoopForPetriNet]: 81 programPoint places, 13 predicate places. [2020-10-11 18:48:59,326 INFO L481 AbstractCegarLoop]: Abstraction has has 94 places, 67 transitions, 176 flow [2020-10-11 18:48:59,327 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-11 18:48:59,327 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:48:59,327 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 18:48:59,327 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-11 18:48:59,328 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:48:59,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:48:59,328 INFO L82 PathProgramCache]: Analyzing trace with hash -410834748, now seen corresponding path program 1 times [2020-10-11 18:48:59,328 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:48:59,329 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652304773] [2020-10-11 18:48:59,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:48:59,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:48:59,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 18:48:59,495 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652304773] [2020-10-11 18:48:59,495 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:48:59,496 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-11 18:48:59,496 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7262106] [2020-10-11 18:48:59,497 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-11 18:48:59,497 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:48:59,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-11 18:48:59,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-11 18:48:59,652 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 86 [2020-10-11 18:48:59,653 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 67 transitions, 176 flow. Second operand 7 states. [2020-10-11 18:48:59,653 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:48:59,653 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 86 [2020-10-11 18:48:59,653 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:48:59,822 INFO L129 PetriNetUnfolder]: 4/93 cut-off events. [2020-10-11 18:48:59,823 INFO L130 PetriNetUnfolder]: For 37/47 co-relation queries the response was YES. [2020-10-11 18:48:59,824 INFO L80 FinitePrefix]: Finished finitePrefix Result has 173 conditions, 93 events. 4/93 cut-off events. For 37/47 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 188 event pairs, 0 based on Foata normal form. 3/96 useless extension candidates. Maximal degree in co-relation 156. Up to 7 conditions per place. [2020-10-11 18:48:59,824 INFO L132 encePairwiseOnDemand]: 78/86 looper letters, 6 selfloop transitions, 4 changer transitions 12/79 dead transitions. [2020-10-11 18:48:59,824 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 79 transitions, 272 flow [2020-10-11 18:48:59,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-11 18:48:59,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-10-11 18:48:59,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 764 transitions. [2020-10-11 18:48:59,828 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.8883720930232558 [2020-10-11 18:48:59,829 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 764 transitions. [2020-10-11 18:48:59,829 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 764 transitions. [2020-10-11 18:48:59,830 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:48:59,830 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 764 transitions. [2020-10-11 18:48:59,846 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 11 states. [2020-10-11 18:48:59,848 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 11 states. [2020-10-11 18:48:59,849 INFO L81 ComplementDD]: Finished complementDD. Result 11 states. [2020-10-11 18:48:59,849 INFO L185 Difference]: Start difference. First operand has 94 places, 67 transitions, 176 flow. Second operand 10 states and 764 transitions. [2020-10-11 18:48:59,849 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 79 transitions, 272 flow [2020-10-11 18:48:59,851 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 79 transitions, 222 flow, removed 20 selfloop flow, removed 10 redundant places. [2020-10-11 18:48:59,853 INFO L241 Difference]: Finished difference. Result has 95 places, 67 transitions, 180 flow [2020-10-11 18:48:59,853 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=86, PETRI_DIFFERENCE_MINUEND_FLOW=150, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=180, PETRI_PLACES=95, PETRI_TRANSITIONS=67} [2020-10-11 18:48:59,854 INFO L341 CegarLoopForPetriNet]: 81 programPoint places, 14 predicate places. [2020-10-11 18:48:59,854 INFO L481 AbstractCegarLoop]: Abstraction has has 95 places, 67 transitions, 180 flow [2020-10-11 18:48:59,854 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-11 18:48:59,854 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:48:59,854 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 18:48:59,854 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-11 18:48:59,855 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:48:59,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:48:59,855 INFO L82 PathProgramCache]: Analyzing trace with hash 15990473, now seen corresponding path program 1 times [2020-10-11 18:48:59,856 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:48:59,856 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042458539] [2020-10-11 18:48:59,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:48:59,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:48:59,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 18:48:59,977 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042458539] [2020-10-11 18:48:59,977 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:48:59,977 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-11 18:48:59,977 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117877212] [2020-10-11 18:48:59,978 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-11 18:48:59,978 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:48:59,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-11 18:48:59,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-11 18:49:00,192 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 86 [2020-10-11 18:49:00,193 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 67 transitions, 180 flow. Second operand 7 states. [2020-10-11 18:49:00,193 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:49:00,193 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 86 [2020-10-11 18:49:00,193 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:49:00,375 INFO L129 PetriNetUnfolder]: 4/98 cut-off events. [2020-10-11 18:49:00,376 INFO L130 PetriNetUnfolder]: For 31/31 co-relation queries the response was YES. [2020-10-11 18:49:00,377 INFO L80 FinitePrefix]: Finished finitePrefix Result has 181 conditions, 98 events. 4/98 cut-off events. For 31/31 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 215 event pairs, 0 based on Foata normal form. 2/100 useless extension candidates. Maximal degree in co-relation 164. Up to 7 conditions per place. [2020-10-11 18:49:00,377 INFO L132 encePairwiseOnDemand]: 78/86 looper letters, 6 selfloop transitions, 4 changer transitions 12/79 dead transitions. [2020-10-11 18:49:00,377 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 79 transitions, 276 flow [2020-10-11 18:49:00,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-11 18:49:00,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-10-11 18:49:00,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 764 transitions. [2020-10-11 18:49:00,381 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.8883720930232558 [2020-10-11 18:49:00,381 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 764 transitions. [2020-10-11 18:49:00,381 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 764 transitions. [2020-10-11 18:49:00,382 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:49:00,382 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 764 transitions. [2020-10-11 18:49:00,384 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 11 states. [2020-10-11 18:49:00,386 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 11 states. [2020-10-11 18:49:00,386 INFO L81 ComplementDD]: Finished complementDD. Result 11 states. [2020-10-11 18:49:00,386 INFO L185 Difference]: Start difference. First operand has 95 places, 67 transitions, 180 flow. Second operand 10 states and 764 transitions. [2020-10-11 18:49:00,386 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 79 transitions, 276 flow [2020-10-11 18:49:00,388 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 79 transitions, 226 flow, removed 20 selfloop flow, removed 10 redundant places. [2020-10-11 18:49:00,390 INFO L241 Difference]: Finished difference. Result has 96 places, 67 transitions, 184 flow [2020-10-11 18:49:00,390 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=86, PETRI_DIFFERENCE_MINUEND_FLOW=154, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=184, PETRI_PLACES=96, PETRI_TRANSITIONS=67} [2020-10-11 18:49:00,391 INFO L341 CegarLoopForPetriNet]: 81 programPoint places, 15 predicate places. [2020-10-11 18:49:00,391 INFO L481 AbstractCegarLoop]: Abstraction has has 96 places, 67 transitions, 184 flow [2020-10-11 18:49:00,391 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-11 18:49:00,391 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:49:00,391 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 18:49:00,392 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-11 18:49:00,392 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:49:00,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:49:00,392 INFO L82 PathProgramCache]: Analyzing trace with hash -553721438, now seen corresponding path program 1 times [2020-10-11 18:49:00,392 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:49:00,395 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441635814] [2020-10-11 18:49:00,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:49:00,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:49:00,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 18:49:00,496 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441635814] [2020-10-11 18:49:00,496 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:49:00,497 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-11 18:49:00,497 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106885834] [2020-10-11 18:49:00,497 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-11 18:49:00,498 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:49:00,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-11 18:49:00,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-11 18:49:00,702 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 86 [2020-10-11 18:49:00,702 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 67 transitions, 184 flow. Second operand 7 states. [2020-10-11 18:49:00,703 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:49:00,703 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 86 [2020-10-11 18:49:00,703 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:49:00,830 INFO L129 PetriNetUnfolder]: 4/82 cut-off events. [2020-10-11 18:49:00,831 INFO L130 PetriNetUnfolder]: For 25/25 co-relation queries the response was YES. [2020-10-11 18:49:00,831 INFO L80 FinitePrefix]: Finished finitePrefix Result has 145 conditions, 82 events. 4/82 cut-off events. For 25/25 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 99 event pairs, 0 based on Foata normal form. 2/84 useless extension candidates. Maximal degree in co-relation 133. Up to 5 conditions per place. [2020-10-11 18:49:00,832 INFO L132 encePairwiseOnDemand]: 79/86 looper letters, 0 selfloop transitions, 0 changer transitions 72/72 dead transitions. [2020-10-11 18:49:00,832 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 72 transitions, 236 flow [2020-10-11 18:49:00,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-11 18:49:00,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-10-11 18:49:00,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 758 transitions. [2020-10-11 18:49:00,835 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.8813953488372093 [2020-10-11 18:49:00,836 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 758 transitions. [2020-10-11 18:49:00,836 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 758 transitions. [2020-10-11 18:49:00,837 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:49:00,837 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 758 transitions. [2020-10-11 18:49:00,839 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 11 states. [2020-10-11 18:49:00,841 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 11 states. [2020-10-11 18:49:00,841 INFO L81 ComplementDD]: Finished complementDD. Result 11 states. [2020-10-11 18:49:00,841 INFO L185 Difference]: Start difference. First operand has 96 places, 67 transitions, 184 flow. Second operand 10 states and 758 transitions. [2020-10-11 18:49:00,841 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 72 transitions, 236 flow [2020-10-11 18:49:00,843 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 72 transitions, 202 flow, removed 12 selfloop flow, removed 8 redundant places. [2020-10-11 18:49:00,844 INFO L241 Difference]: Finished difference. Result has 89 places, 0 transitions, 0 flow [2020-10-11 18:49:00,844 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=86, PETRI_DIFFERENCE_MINUEND_FLOW=154, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=0, PETRI_PLACES=89, PETRI_TRANSITIONS=0} [2020-10-11 18:49:00,844 INFO L341 CegarLoopForPetriNet]: 81 programPoint places, 8 predicate places. [2020-10-11 18:49:00,845 INFO L481 AbstractCegarLoop]: Abstraction has has 89 places, 0 transitions, 0 flow [2020-10-11 18:49:00,845 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-11 18:49:00,845 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-11 18:49:00,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 06:49:00 BasicIcfg [2020-10-11 18:49:00,851 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-11 18:49:00,854 INFO L168 Benchmark]: Toolchain (without parser) took 4856.84 ms. Allocated memory was 253.2 MB in the beginning and 375.4 MB in the end (delta: 122.2 MB). Free memory was 208.4 MB in the beginning and 172.1 MB in the end (delta: 36.2 MB). Peak memory consumption was 158.4 MB. Max. memory is 14.2 GB. [2020-10-11 18:49:00,854 INFO L168 Benchmark]: CDTParser took 0.48 ms. Allocated memory is still 253.2 MB. Free memory is still 229.6 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-11 18:49:00,855 INFO L168 Benchmark]: CACSL2BoogieTranslator took 691.92 ms. Allocated memory was 253.2 MB in the beginning and 321.4 MB in the end (delta: 68.2 MB). Free memory was 208.4 MB in the beginning and 274.1 MB in the end (delta: -65.8 MB). Peak memory consumption was 33.1 MB. Max. memory is 14.2 GB. [2020-10-11 18:49:00,856 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.30 ms. Allocated memory is still 321.4 MB. Free memory was 274.1 MB in the beginning and 271.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-11 18:49:00,857 INFO L168 Benchmark]: Boogie Preprocessor took 27.77 ms. Allocated memory is still 321.4 MB. Free memory is still 271.6 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-11 18:49:00,857 INFO L168 Benchmark]: RCFGBuilder took 607.58 ms. Allocated memory is still 321.4 MB. Free memory was 271.6 MB in the beginning and 244.7 MB in the end (delta: 26.9 MB). Peak memory consumption was 26.9 MB. Max. memory is 14.2 GB. [2020-10-11 18:49:00,858 INFO L168 Benchmark]: TraceAbstraction took 3473.20 ms. Allocated memory was 321.4 MB in the beginning and 375.4 MB in the end (delta: 54.0 MB). Free memory was 244.7 MB in the beginning and 172.1 MB in the end (delta: 72.6 MB). Peak memory consumption was 126.6 MB. Max. memory is 14.2 GB. [2020-10-11 18:49:00,862 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48 ms. Allocated memory is still 253.2 MB. Free memory is still 229.6 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 691.92 ms. Allocated memory was 253.2 MB in the beginning and 321.4 MB in the end (delta: 68.2 MB). Free memory was 208.4 MB in the beginning and 274.1 MB in the end (delta: -65.8 MB). Peak memory consumption was 33.1 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 51.30 ms. Allocated memory is still 321.4 MB. Free memory was 274.1 MB in the beginning and 271.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 27.77 ms. Allocated memory is still 321.4 MB. Free memory is still 271.6 MB. There was no memory consumed. Max. memory is 14.2 GB. * RCFGBuilder took 607.58 ms. Allocated memory is still 321.4 MB. Free memory was 271.6 MB in the beginning and 244.7 MB in the end (delta: 26.9 MB). Peak memory consumption was 26.9 MB. Max. memory is 14.2 GB. * TraceAbstraction took 3473.20 ms. Allocated memory was 321.4 MB in the beginning and 375.4 MB in the end (delta: 54.0 MB). Free memory was 244.7 MB in the beginning and 172.1 MB in the end (delta: 72.6 MB). Peak memory consumption was 126.6 MB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 7]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 85 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 3.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 121 SDtfs, 157 SDslu, 379 SDs, 0 SdLazy, 312 SolverSat, 33 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 67 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=184occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 241 NumberOfCodeBlocks, 241 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 236 ConstructedInterpolants, 0 QuantifiedInterpolants, 34218 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...