/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-McrAutomaton-SP.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe018_rmo.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-1d1d2b5 [2020-10-22 02:16:23,363 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-22 02:16:23,366 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-22 02:16:23,390 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-22 02:16:23,390 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-22 02:16:23,391 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-22 02:16:23,393 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-22 02:16:23,394 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-22 02:16:23,396 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-22 02:16:23,397 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-22 02:16:23,398 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-22 02:16:23,399 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-22 02:16:23,400 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-22 02:16:23,401 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-22 02:16:23,402 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-22 02:16:23,403 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-22 02:16:23,404 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-22 02:16:23,405 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-22 02:16:23,407 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-22 02:16:23,409 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-22 02:16:23,410 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-22 02:16:23,411 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-22 02:16:23,413 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-22 02:16:23,417 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-22 02:16:23,419 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-22 02:16:23,423 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-22 02:16:23,424 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-22 02:16:23,424 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-22 02:16:23,425 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-22 02:16:23,426 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-22 02:16:23,426 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-22 02:16:23,427 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-22 02:16:23,427 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-22 02:16:23,428 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-22 02:16:23,428 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-22 02:16:23,429 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-22 02:16:23,430 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-McrAutomaton-SP.epf [2020-10-22 02:16:23,453 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-22 02:16:23,453 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-22 02:16:23,455 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-22 02:16:23,455 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-22 02:16:23,455 INFO L138 SettingsManager]: * Use SBE=true [2020-10-22 02:16:23,455 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-22 02:16:23,456 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-22 02:16:23,456 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-22 02:16:23,456 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-22 02:16:23,456 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-22 02:16:23,456 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-22 02:16:23,457 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-22 02:16:23,457 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-22 02:16:23,457 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-22 02:16:23,457 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-22 02:16:23,457 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-22 02:16:23,458 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-22 02:16:23,458 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-22 02:16:23,458 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-22 02:16:23,458 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-22 02:16:23,458 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-22 02:16:23,459 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-22 02:16:23,459 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-22 02:16:23,459 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-22 02:16:23,459 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-22 02:16:23,460 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-22 02:16:23,460 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-22 02:16:23,460 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-22 02:16:23,460 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-22 02:16:23,460 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-22 02:16:23,460 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-22 02:16:23,776 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-22 02:16:23,794 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-22 02:16:23,799 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-22 02:16:23,801 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-22 02:16:23,804 INFO L275 PluginConnector]: CDTParser initialized [2020-10-22 02:16:23,805 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe018_rmo.oepc.i [2020-10-22 02:16:23,882 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/144e727f2/9388b2af21814688af474eb2676dd785/FLAG814709740 [2020-10-22 02:16:24,464 INFO L306 CDTParser]: Found 1 translation units. [2020-10-22 02:16:24,465 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe018_rmo.oepc.i [2020-10-22 02:16:24,486 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/144e727f2/9388b2af21814688af474eb2676dd785/FLAG814709740 [2020-10-22 02:16:24,728 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/144e727f2/9388b2af21814688af474eb2676dd785 [2020-10-22 02:16:24,737 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-22 02:16:24,744 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-22 02:16:24,747 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-22 02:16:24,747 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-22 02:16:24,751 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-22 02:16:24,752 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 02:16:24" (1/1) ... [2020-10-22 02:16:24,755 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1537aac3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:16:24, skipping insertion in model container [2020-10-22 02:16:24,756 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 02:16:24" (1/1) ... [2020-10-22 02:16:24,764 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-22 02:16:24,810 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-22 02:16:25,356 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 02:16:25,373 INFO L203 MainTranslator]: Completed pre-run [2020-10-22 02:16:25,430 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 02:16:25,511 INFO L208 MainTranslator]: Completed translation [2020-10-22 02:16:25,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:16:25 WrapperNode [2020-10-22 02:16:25,512 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-22 02:16:25,513 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-22 02:16:25,513 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-22 02:16:25,513 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-22 02:16:25,523 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:16:25" (1/1) ... [2020-10-22 02:16:25,542 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:16:25" (1/1) ... [2020-10-22 02:16:25,573 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-22 02:16:25,573 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-22 02:16:25,573 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-22 02:16:25,573 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-22 02:16:25,584 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:16:25" (1/1) ... [2020-10-22 02:16:25,585 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:16:25" (1/1) ... [2020-10-22 02:16:25,590 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:16:25" (1/1) ... [2020-10-22 02:16:25,590 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:16:25" (1/1) ... [2020-10-22 02:16:25,602 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:16:25" (1/1) ... [2020-10-22 02:16:25,606 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:16:25" (1/1) ... [2020-10-22 02:16:25,610 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:16:25" (1/1) ... [2020-10-22 02:16:25,615 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-22 02:16:25,616 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-22 02:16:25,616 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-22 02:16:25,616 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-22 02:16:25,617 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:16:25" (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 [2020-10-22 02:16:25,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-22 02:16:25,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-22 02:16:25,701 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-22 02:16:25,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-22 02:16:25,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-22 02:16:25,702 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-22 02:16:25,703 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-22 02:16:25,703 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-22 02:16:25,704 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-22 02:16:25,704 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-22 02:16:25,705 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-22 02:16:25,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-22 02:16:25,705 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-22 02:16:25,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-22 02:16:25,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-22 02:16:25,709 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-22 02:16:27,518 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-22 02:16:27,519 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-22 02:16:27,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 02:16:27 BoogieIcfgContainer [2020-10-22 02:16:27,522 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-22 02:16:27,523 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-22 02:16:27,524 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-22 02:16:27,528 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-22 02:16:27,528 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 02:16:24" (1/3) ... [2020-10-22 02:16:27,529 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b947b9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 02:16:27, skipping insertion in model container [2020-10-22 02:16:27,529 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:16:25" (2/3) ... [2020-10-22 02:16:27,530 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b947b9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 02:16:27, skipping insertion in model container [2020-10-22 02:16:27,530 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 02:16:27" (3/3) ... [2020-10-22 02:16:27,532 INFO L111 eAbstractionObserver]: Analyzing ICFG safe018_rmo.oepc.i [2020-10-22 02:16:27,545 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-22 02:16:27,546 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-22 02:16:27,555 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-22 02:16:27,556 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-22 02:16:27,590 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,591 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,591 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,591 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,591 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,591 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,592 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,592 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,592 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,592 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,593 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,593 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,593 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,593 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,593 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,593 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,594 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,594 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,594 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,594 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,594 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,594 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,595 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,595 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,595 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,595 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,595 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,596 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,596 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,596 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,596 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,596 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,596 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,597 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,597 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,597 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,597 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,597 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,597 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,598 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,598 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,598 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,598 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,598 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,598 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,599 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,599 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,599 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,601 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,601 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,602 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,602 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,602 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,602 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,602 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,603 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,603 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,603 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,604 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,604 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,604 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,604 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~mem32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,604 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~mem32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,605 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,605 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,605 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,605 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,605 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,605 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,606 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,606 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,610 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,611 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,611 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,611 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,618 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,618 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,618 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,618 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,619 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,619 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,619 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,619 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,619 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,620 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~mem32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,620 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,622 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,622 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,623 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,623 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,623 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,623 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,624 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,624 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,624 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,624 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,625 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,625 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,625 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,625 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,625 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,626 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,626 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,626 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,626 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,627 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,627 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,627 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,627 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,627 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,628 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,628 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,628 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,628 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,628 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,629 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,629 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:16:27,631 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-22 02:16:27,647 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-10-22 02:16:27,673 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-22 02:16:27,673 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-22 02:16:27,673 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-22 02:16:27,674 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-22 02:16:27,674 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-22 02:16:27,674 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-22 02:16:27,674 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-22 02:16:27,674 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-22 02:16:27,690 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-22 02:16:27,691 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 123 places, 116 transitions, 247 flow [2020-10-22 02:16:27,694 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 123 places, 116 transitions, 247 flow [2020-10-22 02:16:27,696 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 123 places, 116 transitions, 247 flow [2020-10-22 02:16:27,754 INFO L129 PetriNetUnfolder]: 3/113 cut-off events. [2020-10-22 02:16:27,754 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-22 02:16:27,759 INFO L80 FinitePrefix]: Finished finitePrefix Result has 123 conditions, 113 events. 3/113 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 57 event pairs, 0 based on Foata normal form. 0/109 useless extension candidates. Maximal degree in co-relation 61. Up to 2 conditions per place. [2020-10-22 02:16:27,763 INFO L116 LiptonReduction]: Number of co-enabled transitions 1466 [2020-10-22 02:16:29,570 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 238 DAG size of output: 198 [2020-10-22 02:16:29,590 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-10-22 02:16:29,591 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-22 02:16:30,296 WARN L193 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 111 [2020-10-22 02:16:30,709 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 70 [2020-10-22 02:16:30,727 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 5, 2, 4, 2, 1] term [2020-10-22 02:16:30,727 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-22 02:16:30,729 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 1] term [2020-10-22 02:16:30,732 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-22 02:16:30,838 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-10-22 02:16:31,049 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-10-22 02:16:31,153 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-10-22 02:16:32,362 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2020-10-22 02:16:33,051 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-22 02:16:33,232 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-22 02:16:34,052 WARN L193 SmtUtils]: Spent 800.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 159 [2020-10-22 02:16:34,416 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2020-10-22 02:16:34,422 INFO L131 LiptonReduction]: Checked pairs total: 3742 [2020-10-22 02:16:34,422 INFO L133 LiptonReduction]: Total number of compositions: 107 [2020-10-22 02:16:34,431 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 34 places, 25 transitions, 65 flow [2020-10-22 02:16:34,480 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 454 states. [2020-10-22 02:16:34,486 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states. [2020-10-22 02:16:34,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-22 02:16:34,506 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:16:34,508 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:16:34,508 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:16:34,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:16:34,514 INFO L82 PathProgramCache]: Analyzing trace with hash -1751065347, now seen corresponding path program 1 times [2020-10-22 02:16:34,532 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:16:34,533 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918232400] [2020-10-22 02:16:34,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:16:34,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:16:34,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 02:16:34,891 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918232400] [2020-10-22 02:16:34,891 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:16:34,892 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 02:16:34,892 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1405498154] [2020-10-22 02:16:34,894 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:16:34,897 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:16:34,914 INFO L252 McrAutomatonBuilder]: Finished intersection with 11 states and 10 transitions. [2020-10-22 02:16:34,915 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:16:34,920 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:16:34,920 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-22 02:16:34,921 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:16:34,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-22 02:16:34,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-22 02:16:34,939 INFO L87 Difference]: Start difference. First operand 454 states. Second operand 4 states. [2020-10-22 02:16:35,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:16:35,014 INFO L93 Difference]: Finished difference Result 538 states and 1580 transitions. [2020-10-22 02:16:35,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-22 02:16:35,016 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-10-22 02:16:35,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:16:35,033 INFO L225 Difference]: With dead ends: 538 [2020-10-22 02:16:35,033 INFO L226 Difference]: Without dead ends: 310 [2020-10-22 02:16:35,035 INFO L677 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 [2020-10-22 02:16:35,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2020-10-22 02:16:35,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 310. [2020-10-22 02:16:35,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2020-10-22 02:16:35,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 897 transitions. [2020-10-22 02:16:35,130 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 897 transitions. Word has length 10 [2020-10-22 02:16:35,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:16:35,131 INFO L481 AbstractCegarLoop]: Abstraction has 310 states and 897 transitions. [2020-10-22 02:16:35,132 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-22 02:16:35,132 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 897 transitions. [2020-10-22 02:16:35,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-22 02:16:35,134 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:16:35,134 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:16:35,134 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-22 02:16:35,135 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:16:35,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:16:35,135 INFO L82 PathProgramCache]: Analyzing trace with hash 1550998650, now seen corresponding path program 1 times [2020-10-22 02:16:35,136 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:16:35,137 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040470700] [2020-10-22 02:16:35,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:16:35,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:16:35,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 02:16:35,259 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040470700] [2020-10-22 02:16:35,259 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:16:35,260 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 02:16:35,260 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [25522993] [2020-10-22 02:16:35,260 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:16:35,262 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:16:35,264 INFO L252 McrAutomatonBuilder]: Finished intersection with 14 states and 15 transitions. [2020-10-22 02:16:35,264 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:16:35,304 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:16:35,305 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-22 02:16:35,306 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:16:35,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-22 02:16:35,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-22 02:16:35,307 INFO L87 Difference]: Start difference. First operand 310 states and 897 transitions. Second operand 4 states. [2020-10-22 02:16:35,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:16:35,346 INFO L93 Difference]: Finished difference Result 334 states and 931 transitions. [2020-10-22 02:16:35,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-22 02:16:35,347 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2020-10-22 02:16:35,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:16:35,350 INFO L225 Difference]: With dead ends: 334 [2020-10-22 02:16:35,351 INFO L226 Difference]: Without dead ends: 286 [2020-10-22 02:16:35,351 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-22 02:16:35,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2020-10-22 02:16:35,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 286. [2020-10-22 02:16:35,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 286 states. [2020-10-22 02:16:35,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 815 transitions. [2020-10-22 02:16:35,370 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 815 transitions. Word has length 11 [2020-10-22 02:16:35,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:16:35,371 INFO L481 AbstractCegarLoop]: Abstraction has 286 states and 815 transitions. [2020-10-22 02:16:35,371 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-22 02:16:35,371 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 815 transitions. [2020-10-22 02:16:35,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-22 02:16:35,373 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:16:35,373 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:16:35,374 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-22 02:16:35,374 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:16:35,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:16:35,374 INFO L82 PathProgramCache]: Analyzing trace with hash -208030466, now seen corresponding path program 1 times [2020-10-22 02:16:35,376 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:16:35,376 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113723050] [2020-10-22 02:16:35,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:16:35,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:16:35,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 02:16:35,571 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113723050] [2020-10-22 02:16:35,572 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:16:35,572 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-22 02:16:35,572 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1214191436] [2020-10-22 02:16:35,572 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:16:35,575 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:16:35,577 INFO L252 McrAutomatonBuilder]: Finished intersection with 15 states and 16 transitions. [2020-10-22 02:16:35,578 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:16:35,603 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:16:35,603 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-22 02:16:35,603 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:16:35,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-22 02:16:35,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-22 02:16:35,604 INFO L87 Difference]: Start difference. First operand 286 states and 815 transitions. Second operand 5 states. [2020-10-22 02:16:35,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:16:35,676 INFO L93 Difference]: Finished difference Result 394 states and 1100 transitions. [2020-10-22 02:16:35,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-22 02:16:35,677 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2020-10-22 02:16:35,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:16:35,679 INFO L225 Difference]: With dead ends: 394 [2020-10-22 02:16:35,679 INFO L226 Difference]: Without dead ends: 214 [2020-10-22 02:16:35,680 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-22 02:16:35,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2020-10-22 02:16:35,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 214. [2020-10-22 02:16:35,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2020-10-22 02:16:35,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 569 transitions. [2020-10-22 02:16:35,694 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 569 transitions. Word has length 12 [2020-10-22 02:16:35,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:16:35,694 INFO L481 AbstractCegarLoop]: Abstraction has 214 states and 569 transitions. [2020-10-22 02:16:35,694 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-22 02:16:35,694 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 569 transitions. [2020-10-22 02:16:35,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-22 02:16:35,696 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:16:35,696 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:16:35,697 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-22 02:16:35,697 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:16:35,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:16:35,697 INFO L82 PathProgramCache]: Analyzing trace with hash 2142286747, now seen corresponding path program 1 times [2020-10-22 02:16:35,699 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:16:35,699 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335035263] [2020-10-22 02:16:35,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:16:35,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:16:35,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 02:16:35,997 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335035263] [2020-10-22 02:16:35,998 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:16:35,998 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-22 02:16:35,998 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1236576] [2020-10-22 02:16:35,998 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:16:36,001 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:16:36,005 INFO L252 McrAutomatonBuilder]: Finished intersection with 20 states and 25 transitions. [2020-10-22 02:16:36,006 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:16:36,156 INFO L603 QuantifierPusher]: Distributing 7 disjuncts over 3 conjuncts [2020-10-22 02:16:36,182 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:16:36,182 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-22 02:16:36,182 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:16:36,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-22 02:16:36,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-22 02:16:36,183 INFO L87 Difference]: Start difference. First operand 214 states and 569 transitions. Second operand 8 states. [2020-10-22 02:16:36,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:16:36,329 INFO L93 Difference]: Finished difference Result 226 states and 583 transitions. [2020-10-22 02:16:36,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-22 02:16:36,330 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 13 [2020-10-22 02:16:36,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:16:36,332 INFO L225 Difference]: With dead ends: 226 [2020-10-22 02:16:36,332 INFO L226 Difference]: Without dead ends: 202 [2020-10-22 02:16:36,332 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2020-10-22 02:16:36,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2020-10-22 02:16:36,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 202. [2020-10-22 02:16:36,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2020-10-22 02:16:36,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 531 transitions. [2020-10-22 02:16:36,342 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 531 transitions. Word has length 13 [2020-10-22 02:16:36,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:16:36,343 INFO L481 AbstractCegarLoop]: Abstraction has 202 states and 531 transitions. [2020-10-22 02:16:36,343 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-22 02:16:36,343 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 531 transitions. [2020-10-22 02:16:36,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-22 02:16:36,345 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:16:36,345 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:16:36,345 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-22 02:16:36,345 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:16:36,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:16:36,346 INFO L82 PathProgramCache]: Analyzing trace with hash 1986367436, now seen corresponding path program 1 times [2020-10-22 02:16:36,348 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:16:36,348 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138290690] [2020-10-22 02:16:36,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:16:36,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:16:36,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 02:16:36,427 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138290690] [2020-10-22 02:16:36,427 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:16:36,427 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-22 02:16:36,428 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [144796747] [2020-10-22 02:16:36,428 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:16:36,431 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:16:36,435 INFO L252 McrAutomatonBuilder]: Finished intersection with 21 states and 26 transitions. [2020-10-22 02:16:36,435 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:16:36,457 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 02:16:36,531 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [4587#(not (= 3 ~__unbuffered_cnt~0))] [2020-10-22 02:16:36,532 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-22 02:16:36,532 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:16:36,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-22 02:16:36,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-22 02:16:36,533 INFO L87 Difference]: Start difference. First operand 202 states and 531 transitions. Second operand 5 states. [2020-10-22 02:16:36,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:16:36,610 INFO L93 Difference]: Finished difference Result 152 states and 343 transitions. [2020-10-22 02:16:36,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-22 02:16:36,615 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-10-22 02:16:36,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:16:36,616 INFO L225 Difference]: With dead ends: 152 [2020-10-22 02:16:36,616 INFO L226 Difference]: Without dead ends: 108 [2020-10-22 02:16:36,616 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-22 02:16:36,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2020-10-22 02:16:36,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2020-10-22 02:16:36,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2020-10-22 02:16:36,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 219 transitions. [2020-10-22 02:16:36,624 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 219 transitions. Word has length 14 [2020-10-22 02:16:36,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:16:36,625 INFO L481 AbstractCegarLoop]: Abstraction has 108 states and 219 transitions. [2020-10-22 02:16:36,625 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-22 02:16:36,625 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 219 transitions. [2020-10-22 02:16:36,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-22 02:16:36,626 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:16:36,626 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:16:36,626 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-22 02:16:36,627 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:16:36,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:16:36,627 INFO L82 PathProgramCache]: Analyzing trace with hash 335039168, now seen corresponding path program 1 times [2020-10-22 02:16:36,633 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:16:36,633 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80277680] [2020-10-22 02:16:36,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:16:36,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:16:36,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 02:16:36,733 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80277680] [2020-10-22 02:16:36,733 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:16:36,733 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-22 02:16:36,733 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1082265131] [2020-10-22 02:16:36,734 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:16:36,736 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:16:36,744 INFO L252 McrAutomatonBuilder]: Finished intersection with 39 states and 61 transitions. [2020-10-22 02:16:36,744 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:16:37,002 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:16:37,003 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-22 02:16:37,003 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:16:37,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-22 02:16:37,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-22 02:16:37,004 INFO L87 Difference]: Start difference. First operand 108 states and 219 transitions. Second operand 6 states. [2020-10-22 02:16:37,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:16:37,056 INFO L93 Difference]: Finished difference Result 91 states and 183 transitions. [2020-10-22 02:16:37,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-22 02:16:37,057 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2020-10-22 02:16:37,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:16:37,058 INFO L225 Difference]: With dead ends: 91 [2020-10-22 02:16:37,058 INFO L226 Difference]: Without dead ends: 82 [2020-10-22 02:16:37,059 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-22 02:16:37,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2020-10-22 02:16:37,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2020-10-22 02:16:37,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2020-10-22 02:16:37,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 167 transitions. [2020-10-22 02:16:37,062 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 167 transitions. Word has length 17 [2020-10-22 02:16:37,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:16:37,062 INFO L481 AbstractCegarLoop]: Abstraction has 82 states and 167 transitions. [2020-10-22 02:16:37,063 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-22 02:16:37,063 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 167 transitions. [2020-10-22 02:16:37,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-22 02:16:37,063 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:16:37,064 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:16:37,064 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-22 02:16:37,064 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:16:37,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:16:37,065 INFO L82 PathProgramCache]: Analyzing trace with hash -2103191661, now seen corresponding path program 1 times [2020-10-22 02:16:37,066 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:16:37,066 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787637862] [2020-10-22 02:16:37,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:16:37,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-22 02:16:37,130 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-22 02:16:37,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-22 02:16:37,223 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-22 02:16:37,286 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-22 02:16:37,286 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-22 02:16:37,286 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-22 02:16:37,318 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 02:16:37,318 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 02:16:37,318 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 02:16:37,318 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 02:16:37,319 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 02:16:37,319 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 02:16:37,319 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 02:16:37,319 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 02:16:37,319 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 02:16:37,320 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 02:16:37,320 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 02:16:37,320 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 02:16:37,320 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 02:16:37,320 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 02:16:37,320 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 02:16:37,321 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 02:16:37,321 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 02:16:37,321 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 02:16:37,321 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 02:16:37,321 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 02:16:37,321 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 02:16:37,322 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 02:16:37,322 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 02:16:37,322 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 02:16:37,322 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 02:16:37,322 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 02:16:37,322 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 02:16:37,323 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 02:16:37,323 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 02:16:37,323 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 02:16:37,326 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 02:16:37,326 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 02:16:37,326 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 02:16:37,326 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 02:16:37,326 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 02:16:37,327 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 02:16:37,327 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 02:16:37,327 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 02:16:37,327 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 02:16:37,327 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 02:16:37,327 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 02:16:37,328 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 02:16:37,329 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 02:16:37,329 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 02:16:37,329 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 02:16:37,329 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 02:16:37,329 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 02:16:37,330 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 02:16:37,330 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 02:16:37,330 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 02:16:37,330 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 02:16:37,330 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 02:16:37,330 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 02:16:37,331 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 02:16:37,331 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 02:16:37,331 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 02:16:37,331 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 02:16:37,331 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 02:16:37,430 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 02:16:37 BasicIcfg [2020-10-22 02:16:37,430 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-22 02:16:37,432 INFO L168 Benchmark]: Toolchain (without parser) took 12693.03 ms. Allocated memory was 145.8 MB in the beginning and 356.5 MB in the end (delta: 210.8 MB). Free memory was 100.4 MB in the beginning and 102.5 MB in the end (delta: -2.1 MB). Peak memory consumption was 208.7 MB. Max. memory is 7.1 GB. [2020-10-22 02:16:37,433 INFO L168 Benchmark]: CDTParser took 2.43 ms. Allocated memory is still 145.8 MB. Free memory was 120.5 MB in the beginning and 120.2 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-10-22 02:16:37,434 INFO L168 Benchmark]: CACSL2BoogieTranslator took 765.93 ms. Allocated memory was 145.8 MB in the beginning and 201.9 MB in the end (delta: 56.1 MB). Free memory was 99.6 MB in the beginning and 152.7 MB in the end (delta: -53.2 MB). Peak memory consumption was 20.9 MB. Max. memory is 7.1 GB. [2020-10-22 02:16:37,434 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.82 ms. Allocated memory is still 201.9 MB. Free memory was 152.7 MB in the beginning and 150.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2020-10-22 02:16:37,435 INFO L168 Benchmark]: Boogie Preprocessor took 42.21 ms. Allocated memory is still 201.9 MB. Free memory was 150.0 MB in the beginning and 147.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2020-10-22 02:16:37,436 INFO L168 Benchmark]: RCFGBuilder took 1906.59 ms. Allocated memory was 201.9 MB in the beginning and 248.5 MB in the end (delta: 46.7 MB). Free memory was 147.9 MB in the beginning and 193.8 MB in the end (delta: -45.9 MB). Peak memory consumption was 102.1 MB. Max. memory is 7.1 GB. [2020-10-22 02:16:37,437 INFO L168 Benchmark]: TraceAbstraction took 9907.00 ms. Allocated memory was 248.5 MB in the beginning and 356.5 MB in the end (delta: 108.0 MB). Free memory was 193.8 MB in the beginning and 102.5 MB in the end (delta: 91.3 MB). Peak memory consumption was 199.3 MB. Max. memory is 7.1 GB. [2020-10-22 02:16:37,442 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.43 ms. Allocated memory is still 145.8 MB. Free memory was 120.5 MB in the beginning and 120.2 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 765.93 ms. Allocated memory was 145.8 MB in the beginning and 201.9 MB in the end (delta: 56.1 MB). Free memory was 99.6 MB in the beginning and 152.7 MB in the end (delta: -53.2 MB). Peak memory consumption was 20.9 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 59.82 ms. Allocated memory is still 201.9 MB. Free memory was 152.7 MB in the beginning and 150.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 42.21 ms. Allocated memory is still 201.9 MB. Free memory was 150.0 MB in the beginning and 147.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1906.59 ms. Allocated memory was 201.9 MB in the beginning and 248.5 MB in the end (delta: 46.7 MB). Free memory was 147.9 MB in the beginning and 193.8 MB in the end (delta: -45.9 MB). Peak memory consumption was 102.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 9907.00 ms. Allocated memory was 248.5 MB in the beginning and 356.5 MB in the end (delta: 108.0 MB). Free memory was 193.8 MB in the beginning and 102.5 MB in the end (delta: 91.3 MB). Peak memory consumption was 199.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 787 VarBasedMoverChecksPositive, 25 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 66 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 6.7s, 123 PlacesBefore, 34 PlacesAfterwards, 116 TransitionsBefore, 25 TransitionsAfterwards, 1466 CoEnabledTransitionPairs, 7 FixpointIterations, 54 TrivialSequentialCompositions, 39 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 12 ConcurrentYvCompositions, 2 ChoiceCompositions, 107 TotalNumberOfCompositions, 3742 MoverChecksTotal - CounterExampleResult [Line: 18]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p0_EAX = 0; [L713] 0 _Bool __unbuffered_p0_EAX$flush_delayed; [L714] 0 int __unbuffered_p0_EAX$mem_tmp; [L715] 0 _Bool __unbuffered_p0_EAX$r_buff0_thd0; [L716] 0 _Bool __unbuffered_p0_EAX$r_buff0_thd1; [L717] 0 _Bool __unbuffered_p0_EAX$r_buff0_thd2; [L718] 0 _Bool __unbuffered_p0_EAX$r_buff0_thd3; [L719] 0 _Bool __unbuffered_p0_EAX$r_buff1_thd0; [L720] 0 _Bool __unbuffered_p0_EAX$r_buff1_thd1; [L721] 0 _Bool __unbuffered_p0_EAX$r_buff1_thd2; [L722] 0 _Bool __unbuffered_p0_EAX$r_buff1_thd3; [L723] 0 _Bool __unbuffered_p0_EAX$read_delayed; [L724] 0 int *__unbuffered_p0_EAX$read_delayed_var; [L725] 0 int __unbuffered_p0_EAX$w_buff0; [L726] 0 _Bool __unbuffered_p0_EAX$w_buff0_used; [L727] 0 int __unbuffered_p0_EAX$w_buff1; [L728] 0 _Bool __unbuffered_p0_EAX$w_buff1_used; [L730] 0 int __unbuffered_p0_EBX = 0; [L732] 0 int __unbuffered_p2_EAX = 0; [L733] 0 _Bool main$tmp_guard0; [L734] 0 _Bool main$tmp_guard1; [L736] 0 int x = 0; [L738] 0 int y = 0; [L739] 0 _Bool y$flush_delayed; [L740] 0 int y$mem_tmp; [L741] 0 _Bool y$r_buff0_thd0; [L742] 0 _Bool y$r_buff0_thd1; [L743] 0 _Bool y$r_buff0_thd2; [L744] 0 _Bool y$r_buff0_thd3; [L745] 0 _Bool y$r_buff1_thd0; [L746] 0 _Bool y$r_buff1_thd1; [L747] 0 _Bool y$r_buff1_thd2; [L748] 0 _Bool y$r_buff1_thd3; [L749] 0 _Bool y$read_delayed; [L750] 0 int *y$read_delayed_var; [L751] 0 int y$w_buff0; [L752] 0 _Bool y$w_buff0_used; [L753] 0 int y$w_buff1; [L754] 0 _Bool y$w_buff1_used; [L755] 0 _Bool weak$$choice0; [L756] 0 _Bool weak$$choice1; [L757] 0 _Bool weak$$choice2; [L831] 0 pthread_t t2213; [L832] FCALL, FORK 0 pthread_create(&t2213, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x=0, y={7:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L761] 1 weak$$choice0 = __VERIFIER_nondet_bool() [L762] 1 weak$$choice2 = __VERIFIER_nondet_bool() [L763] 1 y$flush_delayed = weak$$choice2 [L764] EXPR 1 \read(y) [L764] 1 y$mem_tmp = y [L765] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff1) [L765] EXPR 1 \read(y) [L765] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff1) [L765] 1 y = !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff1) [L766] EXPR 1 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff0)) [L766] 1 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff0)) [L767] EXPR 1 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1)) [L767] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1) [L767] EXPR 1 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1)) [L767] 1 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1)) [L768] EXPR 1 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used)) [L768] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used) [L768] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L768] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used) [L768] EXPR 1 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used)) [L768] 1 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used)) [L769] EXPR 1 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L769] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0) [L769] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0 [L769] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0) [L769] EXPR 1 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L769] 1 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L770] EXPR 1 weak$$choice2 ? y$r_buff0_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1)) [L770] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1) [L770] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L770] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1) [L770] EXPR 1 weak$$choice2 ? y$r_buff0_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1)) [L770] 1 y$r_buff0_thd1 = weak$$choice2 ? y$r_buff0_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1)) [L771] EXPR 1 weak$$choice2 ? y$r_buff1_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L771] 1 y$r_buff1_thd1 = weak$$choice2 ? y$r_buff1_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L772] 1 __unbuffered_p0_EAX$read_delayed = (_Bool)1 [L773] 1 __unbuffered_p0_EAX$read_delayed_var = &y [L774] EXPR 1 \read(y) [L774] 1 __unbuffered_p0_EAX = y [L775] EXPR 1 y$flush_delayed ? y$mem_tmp : y [L775] EXPR 1 \read(y) [L775] EXPR 1 y$flush_delayed ? y$mem_tmp : y [L775] 1 y = y$flush_delayed ? y$mem_tmp : y [L776] 1 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={7:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice1=0, weak$$choice2=0, x=0, y={7:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L779] 1 __unbuffered_p0_EBX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={7:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice1=0, weak$$choice2=0, x=0, y={7:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L833] 0 pthread_t t2214; [L834] FCALL, FORK 0 pthread_create(&t2214, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={7:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice1=0, weak$$choice2=0, x=0, y={7:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L835] 0 pthread_t t2215; [L836] FCALL, FORK 0 pthread_create(&t2215, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={7:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice1=0, weak$$choice2=0, x=0, y={7:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L791] 2 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={7:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice1=0, weak$$choice2=0, x=1, y={7:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L803] 3 __unbuffered_p2_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={7:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice1=0, weak$$choice2=0, x=1, y={7:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L806] 3 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={7:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice1=0, weak$$choice2=0, x=1, y={7:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L809] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L809] EXPR 3 y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y [L809] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L809] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L810] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L810] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L811] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L811] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L812] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L812] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L813] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L813] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L816] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L818] 3 return 0; [L784] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L786] 1 return 0; [L796] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L798] 2 return 0; [L838] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L4] COND FALSE 0 !(!cond) [L842] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L842] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L842] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L842] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L843] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L843] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L844] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L844] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L845] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L845] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L846] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L846] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L849] 0 weak$$choice1 = __VERIFIER_nondet_bool() [L850] EXPR 0 __unbuffered_p0_EAX$read_delayed ? (weak$$choice1 ? *__unbuffered_p0_EAX$read_delayed_var : __unbuffered_p0_EAX) : __unbuffered_p0_EAX [L850] EXPR 0 weak$$choice1 ? *__unbuffered_p0_EAX$read_delayed_var : __unbuffered_p0_EAX [L850] EXPR 0 \read(*__unbuffered_p0_EAX$read_delayed_var) [L850] EXPR 0 weak$$choice1 ? *__unbuffered_p0_EAX$read_delayed_var : __unbuffered_p0_EAX [L850] EXPR 0 __unbuffered_p0_EAX$read_delayed ? (weak$$choice1 ? *__unbuffered_p0_EAX$read_delayed_var : __unbuffered_p0_EAX) : __unbuffered_p0_EAX [L850] 0 __unbuffered_p0_EAX = __unbuffered_p0_EAX$read_delayed ? (weak$$choice1 ? *__unbuffered_p0_EAX$read_delayed_var : __unbuffered_p0_EAX) : __unbuffered_p0_EAX [L851] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 1 && __unbuffered_p0_EBX == 0 && __unbuffered_p2_EAX == 1) [L19] COND TRUE 0 !expression [L18] COND FALSE 0 !(0) [L18] 0 __assert_fail ("0", "safe018_rmo.oepc.c", 9, __extension__ __PRETTY_FUNCTION__) VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={7:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice1=255, weak$$choice2=0, x=1, y={7:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 114 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 9.6s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 6.8s, HoareTripleCheckerStatistics: 141 SDtfs, 160 SDslu, 297 SDs, 0 SdLazy, 157 SolverSat, 33 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 66 GetRequests, 36 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=454occurred 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, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 96 NumberOfCodeBlocks, 96 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 71 ConstructedInterpolants, 0 QuantifiedInterpolants, 6459 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 incorrect! Received shutdown request...