/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/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe026_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c7e336b [2020-10-05 23:41:25,656 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-05 23:41:25,659 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-05 23:41:25,696 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-05 23:41:25,696 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-05 23:41:25,698 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-05 23:41:25,699 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-05 23:41:25,701 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-05 23:41:25,702 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-05 23:41:25,703 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-05 23:41:25,704 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-05 23:41:25,706 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-05 23:41:25,706 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-05 23:41:25,707 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-05 23:41:25,708 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-05 23:41:25,709 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-05 23:41:25,710 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-05 23:41:25,711 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-05 23:41:25,713 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-05 23:41:25,715 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-05 23:41:25,716 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-05 23:41:25,717 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-05 23:41:25,719 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-05 23:41:25,720 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-05 23:41:25,722 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-05 23:41:25,725 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-05 23:41:25,726 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-05 23:41:25,727 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-05 23:41:25,728 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-05 23:41:25,729 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-05 23:41:25,729 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-05 23:41:25,730 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-05 23:41:25,730 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-05 23:41:25,730 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-05 23:41:25,731 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-05 23:41:25,732 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-05 23:41:25,733 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf [2020-10-05 23:41:25,755 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-05 23:41:25,755 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-05 23:41:25,756 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-05 23:41:25,757 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-05 23:41:25,757 INFO L138 SettingsManager]: * Use SBE=true [2020-10-05 23:41:25,757 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-05 23:41:25,757 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-05 23:41:25,757 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-05 23:41:25,758 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-05 23:41:25,758 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-05 23:41:25,758 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-05 23:41:25,758 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-05 23:41:25,758 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-05 23:41:25,759 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-05 23:41:25,759 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-05 23:41:25,759 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-05 23:41:25,759 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-05 23:41:25,759 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-05 23:41:25,759 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-05 23:41:25,760 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-05 23:41:25,760 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-05 23:41:25,760 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-05 23:41:25,760 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-05 23:41:25,760 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-05 23:41:25,761 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-05 23:41:25,761 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-05 23:41:25,761 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-05 23:41:25,761 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-05 23:41:25,761 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-05 23:41:26,048 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-05 23:41:26,068 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-05 23:41:26,073 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-05 23:41:26,074 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-05 23:41:26,075 INFO L275 PluginConnector]: CDTParser initialized [2020-10-05 23:41:26,075 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe026_tso.opt.i [2020-10-05 23:41:26,149 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97d4cb0d5/448935f0284948acbd69c846655aaf2d/FLAGa9dc9b490 [2020-10-05 23:41:26,615 INFO L306 CDTParser]: Found 1 translation units. [2020-10-05 23:41:26,616 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe026_tso.opt.i [2020-10-05 23:41:26,643 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97d4cb0d5/448935f0284948acbd69c846655aaf2d/FLAGa9dc9b490 [2020-10-05 23:41:26,988 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97d4cb0d5/448935f0284948acbd69c846655aaf2d [2020-10-05 23:41:26,998 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-05 23:41:27,000 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-05 23:41:27,001 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-05 23:41:27,001 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-05 23:41:27,005 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-05 23:41:27,006 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.10 11:41:26" (1/1) ... [2020-10-05 23:41:27,010 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32ffe112 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:41:27, skipping insertion in model container [2020-10-05 23:41:27,010 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.10 11:41:26" (1/1) ... [2020-10-05 23:41:27,019 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-05 23:41:27,085 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-05 23:41:27,643 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-05 23:41:27,655 INFO L203 MainTranslator]: Completed pre-run [2020-10-05 23:41:27,698 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-05 23:41:27,795 INFO L208 MainTranslator]: Completed translation [2020-10-05 23:41:27,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:41:27 WrapperNode [2020-10-05 23:41:27,795 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-05 23:41:27,796 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-05 23:41:27,797 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-05 23:41:27,797 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-05 23:41:27,804 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:41:27" (1/1) ... [2020-10-05 23:41:27,821 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:41:27" (1/1) ... [2020-10-05 23:41:27,842 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-05 23:41:27,842 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-05 23:41:27,843 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-05 23:41:27,843 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-05 23:41:27,853 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:41:27" (1/1) ... [2020-10-05 23:41:27,853 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:41:27" (1/1) ... [2020-10-05 23:41:27,856 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:41:27" (1/1) ... [2020-10-05 23:41:27,857 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:41:27" (1/1) ... [2020-10-05 23:41:27,864 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:41:27" (1/1) ... [2020-10-05 23:41:27,866 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:41:27" (1/1) ... [2020-10-05 23:41:27,869 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:41:27" (1/1) ... [2020-10-05 23:41:27,872 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-05 23:41:27,873 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-05 23:41:27,873 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-05 23:41:27,873 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-05 23:41:27,874 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:41:27" (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 [2020-10-05 23:41:27,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-05 23:41:27,963 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-05 23:41:27,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-05 23:41:27,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-05 23:41:27,964 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-05 23:41:27,965 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-05 23:41:27,966 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-05 23:41:27,966 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-05 23:41:27,967 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-05 23:41:27,967 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-05 23:41:27,969 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-05 23:41:27,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-05 23:41:27,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-05 23:41:27,971 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-05 23:41:28,327 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-05 23:41:28,327 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-10-05 23:41:28,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.10 11:41:28 BoogieIcfgContainer [2020-10-05 23:41:28,331 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-05 23:41:28,338 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-05 23:41:28,338 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-05 23:41:28,342 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-05 23:41:28,342 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.10 11:41:26" (1/3) ... [2020-10-05 23:41:28,343 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@522196e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.10 11:41:28, skipping insertion in model container [2020-10-05 23:41:28,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:41:27" (2/3) ... [2020-10-05 23:41:28,344 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@522196e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.10 11:41:28, skipping insertion in model container [2020-10-05 23:41:28,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.10 11:41:28" (3/3) ... [2020-10-05 23:41:28,346 INFO L109 eAbstractionObserver]: Analyzing ICFG safe026_tso.opt.i [2020-10-05 23:41:28,356 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-05 23:41:28,357 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-05 23:41:28,365 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-05 23:41:28,366 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-05 23:41:28,398 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:41:28,399 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:41:28,399 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:41:28,399 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:41:28,400 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:41:28,400 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:41:28,401 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:41:28,401 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:41:28,401 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:41:28,402 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:41:28,402 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:41:28,403 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:41:28,403 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:41:28,403 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:41:28,404 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:41:28,404 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:41:28,404 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:41:28,404 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:41:28,408 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:41:28,409 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:41:28,409 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:41:28,409 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:41:28,416 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:41:28,416 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:41:28,417 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:41:28,417 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:41:28,419 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:41:28,420 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:41:28,420 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:41:28,420 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:41:28,438 INFO L251 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-10-05 23:41:28,459 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-05 23:41:28,459 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-05 23:41:28,459 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-05 23:41:28,459 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-05 23:41:28,459 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-05 23:41:28,460 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-05 23:41:28,460 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-05 23:41:28,460 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-05 23:41:28,477 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 76 places, 68 transitions, 151 flow [2020-10-05 23:41:28,479 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 76 places, 68 transitions, 151 flow [2020-10-05 23:41:28,527 INFO L129 PetriNetUnfolder]: 2/65 cut-off events. [2020-10-05 23:41:28,527 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-05 23:41:28,533 INFO L80 FinitePrefix]: Finished finitePrefix Result has 75 conditions, 65 events. 2/65 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 48 event pairs, 0 based on Foata normal form. 0/62 useless extension candidates. Maximal degree in co-relation 54. Up to 2 conditions per place. [2020-10-05 23:41:28,536 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 76 places, 68 transitions, 151 flow [2020-10-05 23:41:28,558 INFO L129 PetriNetUnfolder]: 2/65 cut-off events. [2020-10-05 23:41:28,558 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-05 23:41:28,559 INFO L80 FinitePrefix]: Finished finitePrefix Result has 75 conditions, 65 events. 2/65 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 48 event pairs, 0 based on Foata normal form. 0/62 useless extension candidates. Maximal degree in co-relation 54. Up to 2 conditions per place. [2020-10-05 23:41:28,561 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 1178 [2020-10-05 23:41:28,563 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-10-05 23:41:29,884 INFO L206 etLargeBlockEncoding]: Checked pairs total: 2133 [2020-10-05 23:41:29,885 INFO L214 etLargeBlockEncoding]: Total number of compositions: 57 [2020-10-05 23:41:29,888 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 30 places, 20 transitions, 55 flow [2020-10-05 23:41:29,911 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 226 states. [2020-10-05 23:41:29,913 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states. [2020-10-05 23:41:29,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-05 23:41:29,921 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:41:29,922 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:41:29,922 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:41:29,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:41:29,929 INFO L82 PathProgramCache]: Analyzing trace with hash -1225676630, now seen corresponding path program 1 times [2020-10-05 23:41:29,940 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:41:29,941 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256224971] [2020-10-05 23:41:29,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:41:30,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:41:30,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:41:30,174 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256224971] [2020-10-05 23:41:30,175 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:41:30,175 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-05 23:41:30,176 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320033750] [2020-10-05 23:41:30,181 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-05 23:41:30,181 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:41:30,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-05 23:41:30,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 23:41:30,197 INFO L87 Difference]: Start difference. First operand 226 states. Second operand 3 states. [2020-10-05 23:41:30,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:41:30,243 INFO L93 Difference]: Finished difference Result 214 states and 593 transitions. [2020-10-05 23:41:30,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-05 23:41:30,245 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-10-05 23:41:30,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:41:30,262 INFO L225 Difference]: With dead ends: 214 [2020-10-05 23:41:30,262 INFO L226 Difference]: Without dead ends: 166 [2020-10-05 23:41:30,264 INFO L675 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 [2020-10-05 23:41:30,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2020-10-05 23:41:30,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2020-10-05 23:41:30,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2020-10-05 23:41:30,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 441 transitions. [2020-10-05 23:41:30,326 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 441 transitions. Word has length 8 [2020-10-05 23:41:30,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:41:30,328 INFO L479 AbstractCegarLoop]: Abstraction has 166 states and 441 transitions. [2020-10-05 23:41:30,328 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-05 23:41:30,328 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 441 transitions. [2020-10-05 23:41:30,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-05 23:41:30,329 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:41:30,330 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:41:30,330 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-05 23:41:30,330 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:41:30,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:41:30,331 INFO L82 PathProgramCache]: Analyzing trace with hash 658710541, now seen corresponding path program 1 times [2020-10-05 23:41:30,331 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:41:30,334 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200774513] [2020-10-05 23:41:30,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:41:30,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:41:30,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:41:30,427 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200774513] [2020-10-05 23:41:30,428 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:41:30,428 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-05 23:41:30,428 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738610469] [2020-10-05 23:41:30,431 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-05 23:41:30,431 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:41:30,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-05 23:41:30,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-05 23:41:30,432 INFO L87 Difference]: Start difference. First operand 166 states and 441 transitions. Second operand 4 states. [2020-10-05 23:41:30,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:41:30,479 INFO L93 Difference]: Finished difference Result 220 states and 567 transitions. [2020-10-05 23:41:30,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-05 23:41:30,480 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-10-05 23:41:30,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:41:30,482 INFO L225 Difference]: With dead ends: 220 [2020-10-05 23:41:30,483 INFO L226 Difference]: Without dead ends: 148 [2020-10-05 23:41:30,487 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-05 23:41:30,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2020-10-05 23:41:30,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2020-10-05 23:41:30,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2020-10-05 23:41:30,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 377 transitions. [2020-10-05 23:41:30,521 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 377 transitions. Word has length 9 [2020-10-05 23:41:30,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:41:30,522 INFO L479 AbstractCegarLoop]: Abstraction has 148 states and 377 transitions. [2020-10-05 23:41:30,527 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-05 23:41:30,527 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 377 transitions. [2020-10-05 23:41:30,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-05 23:41:30,528 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:41:30,529 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:41:30,529 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-05 23:41:30,529 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:41:30,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:41:30,529 INFO L82 PathProgramCache]: Analyzing trace with hash -1054223531, now seen corresponding path program 1 times [2020-10-05 23:41:30,530 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:41:30,533 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926146760] [2020-10-05 23:41:30,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:41:30,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:41:30,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:41:30,637 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926146760] [2020-10-05 23:41:30,637 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:41:30,637 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-05 23:41:30,637 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971025974] [2020-10-05 23:41:30,638 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-05 23:41:30,638 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:41:30,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-05 23:41:30,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-05 23:41:30,639 INFO L87 Difference]: Start difference. First operand 148 states and 377 transitions. Second operand 4 states. [2020-10-05 23:41:30,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:41:30,674 INFO L93 Difference]: Finished difference Result 168 states and 391 transitions. [2020-10-05 23:41:30,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-05 23:41:30,675 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-10-05 23:41:30,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:41:30,677 INFO L225 Difference]: With dead ends: 168 [2020-10-05 23:41:30,677 INFO L226 Difference]: Without dead ends: 126 [2020-10-05 23:41:30,677 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-05 23:41:30,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2020-10-05 23:41:30,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2020-10-05 23:41:30,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2020-10-05 23:41:30,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 291 transitions. [2020-10-05 23:41:30,688 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 291 transitions. Word has length 10 [2020-10-05 23:41:30,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:41:30,689 INFO L479 AbstractCegarLoop]: Abstraction has 126 states and 291 transitions. [2020-10-05 23:41:30,689 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-05 23:41:30,689 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 291 transitions. [2020-10-05 23:41:30,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-05 23:41:30,690 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:41:30,690 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:41:30,690 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-05 23:41:30,691 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:41:30,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:41:30,691 INFO L82 PathProgramCache]: Analyzing trace with hash 1670186442, now seen corresponding path program 1 times [2020-10-05 23:41:30,691 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:41:30,692 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102094027] [2020-10-05 23:41:30,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:41:30,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:41:30,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:41:30,814 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102094027] [2020-10-05 23:41:30,814 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:41:30,814 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-05 23:41:30,815 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975436032] [2020-10-05 23:41:30,815 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-05 23:41:30,815 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:41:30,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-05 23:41:30,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-05 23:41:30,816 INFO L87 Difference]: Start difference. First operand 126 states and 291 transitions. Second operand 5 states. [2020-10-05 23:41:30,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:41:30,858 INFO L93 Difference]: Finished difference Result 121 states and 257 transitions. [2020-10-05 23:41:30,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-05 23:41:30,858 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2020-10-05 23:41:30,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:41:30,859 INFO L225 Difference]: With dead ends: 121 [2020-10-05 23:41:30,860 INFO L226 Difference]: Without dead ends: 93 [2020-10-05 23:41:30,860 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-05 23:41:30,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-10-05 23:41:30,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2020-10-05 23:41:30,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2020-10-05 23:41:30,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 192 transitions. [2020-10-05 23:41:30,868 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 192 transitions. Word has length 11 [2020-10-05 23:41:30,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:41:30,868 INFO L479 AbstractCegarLoop]: Abstraction has 93 states and 192 transitions. [2020-10-05 23:41:30,868 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-05 23:41:30,868 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 192 transitions. [2020-10-05 23:41:30,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-05 23:41:30,869 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:41:30,870 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:41:30,870 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-05 23:41:30,870 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:41:30,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:41:30,871 INFO L82 PathProgramCache]: Analyzing trace with hash -1269858217, now seen corresponding path program 1 times [2020-10-05 23:41:30,871 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:41:30,871 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885854001] [2020-10-05 23:41:30,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:41:30,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:41:30,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:41:30,955 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885854001] [2020-10-05 23:41:30,955 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:41:30,956 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-05 23:41:30,956 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736342266] [2020-10-05 23:41:30,956 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-05 23:41:30,957 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:41:30,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-05 23:41:30,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-05 23:41:30,957 INFO L87 Difference]: Start difference. First operand 93 states and 192 transitions. Second operand 6 states. [2020-10-05 23:41:31,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:41:31,013 INFO L93 Difference]: Finished difference Result 87 states and 178 transitions. [2020-10-05 23:41:31,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-05 23:41:31,014 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2020-10-05 23:41:31,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:41:31,015 INFO L225 Difference]: With dead ends: 87 [2020-10-05 23:41:31,015 INFO L226 Difference]: Without dead ends: 78 [2020-10-05 23:41:31,015 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-05 23:41:31,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-10-05 23:41:31,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2020-10-05 23:41:31,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-10-05 23:41:31,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 162 transitions. [2020-10-05 23:41:31,020 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 162 transitions. Word has length 13 [2020-10-05 23:41:31,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:41:31,021 INFO L479 AbstractCegarLoop]: Abstraction has 78 states and 162 transitions. [2020-10-05 23:41:31,021 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-05 23:41:31,021 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 162 transitions. [2020-10-05 23:41:31,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-05 23:41:31,022 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:41:31,022 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:41:31,022 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-05 23:41:31,022 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:41:31,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:41:31,023 INFO L82 PathProgramCache]: Analyzing trace with hash -1906464189, now seen corresponding path program 1 times [2020-10-05 23:41:31,023 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:41:31,023 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643345717] [2020-10-05 23:41:31,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:41:31,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:41:31,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:41:31,065 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643345717] [2020-10-05 23:41:31,066 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:41:31,066 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-05 23:41:31,066 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727222107] [2020-10-05 23:41:31,067 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-05 23:41:31,067 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:41:31,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-05 23:41:31,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-05 23:41:31,067 INFO L87 Difference]: Start difference. First operand 78 states and 162 transitions. Second operand 4 states. [2020-10-05 23:41:31,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:41:31,080 INFO L93 Difference]: Finished difference Result 91 states and 183 transitions. [2020-10-05 23:41:31,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-05 23:41:31,081 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2020-10-05 23:41:31,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:41:31,081 INFO L225 Difference]: With dead ends: 91 [2020-10-05 23:41:31,082 INFO L226 Difference]: Without dead ends: 33 [2020-10-05 23:41:31,082 INFO L675 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 [2020-10-05 23:41:31,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-10-05 23:41:31,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-10-05 23:41:31,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-10-05 23:41:31,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 51 transitions. [2020-10-05 23:41:31,085 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 51 transitions. Word has length 16 [2020-10-05 23:41:31,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:41:31,085 INFO L479 AbstractCegarLoop]: Abstraction has 33 states and 51 transitions. [2020-10-05 23:41:31,085 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-05 23:41:31,085 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2020-10-05 23:41:31,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-05 23:41:31,086 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:41:31,086 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:41:31,086 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-05 23:41:31,087 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:41:31,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:41:31,087 INFO L82 PathProgramCache]: Analyzing trace with hash -867586631, now seen corresponding path program 2 times [2020-10-05 23:41:31,087 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:41:31,088 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325143554] [2020-10-05 23:41:31,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:41:31,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:41:31,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:41:31,118 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325143554] [2020-10-05 23:41:31,118 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:41:31,119 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-05 23:41:31,119 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117740267] [2020-10-05 23:41:31,119 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-05 23:41:31,119 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:41:31,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-05 23:41:31,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 23:41:31,120 INFO L87 Difference]: Start difference. First operand 33 states and 51 transitions. Second operand 3 states. [2020-10-05 23:41:31,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:41:31,125 INFO L93 Difference]: Finished difference Result 32 states and 50 transitions. [2020-10-05 23:41:31,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-05 23:41:31,126 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2020-10-05 23:41:31,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:41:31,126 INFO L225 Difference]: With dead ends: 32 [2020-10-05 23:41:31,126 INFO L226 Difference]: Without dead ends: 0 [2020-10-05 23:41:31,127 INFO L675 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 [2020-10-05 23:41:31,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-05 23:41:31,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-05 23:41:31,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-05 23:41:31,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-05 23:41:31,128 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2020-10-05 23:41:31,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:41:31,128 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-05 23:41:31,128 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-05 23:41:31,128 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-05 23:41:31,129 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-05 23:41:31,129 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-05 23:41:31,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.10 11:41:31 BasicIcfg [2020-10-05 23:41:31,133 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-05 23:41:31,135 INFO L168 Benchmark]: Toolchain (without parser) took 4135.35 ms. Allocated memory was 145.2 MB in the beginning and 249.6 MB in the end (delta: 104.3 MB). Free memory was 100.1 MB in the beginning and 106.1 MB in the end (delta: -6.0 MB). Peak memory consumption was 98.3 MB. Max. memory is 7.1 GB. [2020-10-05 23:41:31,136 INFO L168 Benchmark]: CDTParser took 0.48 ms. Allocated memory is still 145.2 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-05 23:41:31,137 INFO L168 Benchmark]: CACSL2BoogieTranslator took 794.90 ms. Allocated memory was 145.2 MB in the beginning and 201.9 MB in the end (delta: 56.6 MB). Free memory was 99.9 MB in the beginning and 158.6 MB in the end (delta: -58.7 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. [2020-10-05 23:41:31,138 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.75 ms. Allocated memory is still 201.9 MB. Free memory was 158.6 MB in the beginning and 156.3 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2020-10-05 23:41:31,139 INFO L168 Benchmark]: Boogie Preprocessor took 29.95 ms. Allocated memory is still 201.9 MB. Free memory was 156.3 MB in the beginning and 155.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2020-10-05 23:41:31,140 INFO L168 Benchmark]: RCFGBuilder took 458.66 ms. Allocated memory is still 201.9 MB. Free memory was 155.0 MB in the beginning and 132.7 MB in the end (delta: 22.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. [2020-10-05 23:41:31,140 INFO L168 Benchmark]: TraceAbstraction took 2795.01 ms. Allocated memory was 201.9 MB in the beginning and 249.6 MB in the end (delta: 47.7 MB). Free memory was 132.0 MB in the beginning and 106.1 MB in the end (delta: 25.8 MB). Peak memory consumption was 73.6 MB. Max. memory is 7.1 GB. [2020-10-05 23:41:31,144 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 145.2 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 794.90 ms. Allocated memory was 145.2 MB in the beginning and 201.9 MB in the end (delta: 56.6 MB). Free memory was 99.9 MB in the beginning and 158.6 MB in the end (delta: -58.7 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 45.75 ms. Allocated memory is still 201.9 MB. Free memory was 158.6 MB in the beginning and 156.3 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 29.95 ms. Allocated memory is still 201.9 MB. Free memory was 156.3 MB in the beginning and 155.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 458.66 ms. Allocated memory is still 201.9 MB. Free memory was 155.0 MB in the beginning and 132.7 MB in the end (delta: 22.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2795.01 ms. Allocated memory was 201.9 MB in the beginning and 249.6 MB in the end (delta: 47.7 MB). Free memory was 132.0 MB in the beginning and 106.1 MB in the end (delta: 25.8 MB). Peak memory consumption was 73.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.4s, 76 ProgramPointsBefore, 30 ProgramPointsAfterwards, 68 TransitionsBefore, 20 TransitionsAfterwards, 1178 CoEnabledTransitionPairs, 7 FixpointIterations, 13 TrivialSequentialCompositions, 40 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 2 ChoiceCompositions, 583 VarBasedMoverChecksPositive, 21 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 2133 CheckedPairsTotal, 57 TotalNumberOfCompositions - 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 4 procedures, 67 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.6s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.4s, HoareTripleCheckerStatistics: 127 SDtfs, 122 SDslu, 170 SDs, 0 SdLazy, 98 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=226occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 83 NumberOfCodeBlocks, 83 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 76 ConstructedInterpolants, 0 QuantifiedInterpolants, 2470 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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...