/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-WP.epf -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_41-trylock_racefree.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-1d1d2b5 [2020-10-22 01:00:52,478 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-22 01:00:52,481 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-22 01:00:52,527 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-22 01:00:52,528 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-22 01:00:52,539 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-22 01:00:52,540 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-22 01:00:52,544 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-22 01:00:52,547 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-22 01:00:52,550 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-22 01:00:52,551 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-22 01:00:52,553 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-22 01:00:52,553 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-22 01:00:52,555 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-22 01:00:52,559 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-22 01:00:52,560 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-22 01:00:52,564 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-22 01:00:52,565 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-22 01:00:52,566 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-22 01:00:52,568 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-22 01:00:52,569 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-22 01:00:52,570 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-22 01:00:52,571 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-22 01:00:52,572 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-22 01:00:52,574 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-22 01:00:52,575 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-22 01:00:52,575 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-22 01:00:52,576 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-22 01:00:52,576 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-22 01:00:52,577 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-22 01:00:52,577 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-22 01:00:52,578 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-22 01:00:52,579 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-22 01:00:52,579 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-22 01:00:52,580 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-22 01:00:52,580 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-22 01:00:52,581 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-22 01:00:52,581 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-22 01:00:52,582 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-22 01:00:52,582 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-22 01:00:52,583 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-22 01:00:52,584 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-WP.epf [2020-10-22 01:00:52,605 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-22 01:00:52,606 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-22 01:00:52,607 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-22 01:00:52,607 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-22 01:00:52,607 INFO L138 SettingsManager]: * Use SBE=true [2020-10-22 01:00:52,608 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-22 01:00:52,608 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-22 01:00:52,608 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-22 01:00:52,608 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-22 01:00:52,608 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-22 01:00:52,609 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-22 01:00:52,609 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-22 01:00:52,609 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-22 01:00:52,609 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-22 01:00:52,609 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-22 01:00:52,610 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-22 01:00:52,610 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-22 01:00:52,610 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-22 01:00:52,610 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-22 01:00:52,610 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-22 01:00:52,611 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-22 01:00:52,611 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-22 01:00:52,611 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-22 01:00:52,611 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-22 01:00:52,611 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-22 01:00:52,612 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-22 01:00:52,612 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-22 01:00:52,612 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-22 01:00:52,612 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-22 01:00:52,612 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-22 01:00:52,613 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-22 01:00:52,895 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-22 01:00:52,912 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-22 01:00:52,917 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-22 01:00:52,918 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-22 01:00:52,919 INFO L275 PluginConnector]: CDTParser initialized [2020-10-22 01:00:52,920 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_41-trylock_racefree.i [2020-10-22 01:00:52,991 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/107f4e715/e54f8f32a10d47b7b6a1a129660b3405/FLAG135809b8c [2020-10-22 01:00:53,466 INFO L306 CDTParser]: Found 1 translation units. [2020-10-22 01:00:53,467 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_41-trylock_racefree.i [2020-10-22 01:00:53,489 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/107f4e715/e54f8f32a10d47b7b6a1a129660b3405/FLAG135809b8c [2020-10-22 01:00:53,748 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/107f4e715/e54f8f32a10d47b7b6a1a129660b3405 [2020-10-22 01:00:53,757 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-22 01:00:53,763 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-22 01:00:53,764 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-22 01:00:53,764 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-22 01:00:53,769 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-22 01:00:53,770 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 01:00:53" (1/1) ... [2020-10-22 01:00:53,773 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31ea11c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:00:53, skipping insertion in model container [2020-10-22 01:00:53,773 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 01:00:53" (1/1) ... [2020-10-22 01:00:53,781 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-22 01:00:53,822 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-22 01:00:54,375 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 01:00:54,389 INFO L203 MainTranslator]: Completed pre-run [2020-10-22 01:00:54,451 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 01:00:54,525 INFO L208 MainTranslator]: Completed translation [2020-10-22 01:00:54,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:00:54 WrapperNode [2020-10-22 01:00:54,525 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-22 01:00:54,526 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-22 01:00:54,526 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-22 01:00:54,526 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-22 01:00:54,535 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:00:54" (1/1) ... [2020-10-22 01:00:54,552 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:00:54" (1/1) ... [2020-10-22 01:00:54,579 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-22 01:00:54,579 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-22 01:00:54,579 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-22 01:00:54,580 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-22 01:00:54,589 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:00:54" (1/1) ... [2020-10-22 01:00:54,589 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:00:54" (1/1) ... [2020-10-22 01:00:54,593 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:00:54" (1/1) ... [2020-10-22 01:00:54,593 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:00:54" (1/1) ... [2020-10-22 01:00:54,602 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:00:54" (1/1) ... [2020-10-22 01:00:54,608 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:00:54" (1/1) ... [2020-10-22 01:00:54,610 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:00:54" (1/1) ... [2020-10-22 01:00:54,614 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-22 01:00:54,615 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-22 01:00:54,615 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-22 01:00:54,615 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-22 01:00:54,616 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:00:54" (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 01:00:54,674 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_trylock [2020-10-22 01:00:54,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-22 01:00:54,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-22 01:00:54,675 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-22 01:00:54,675 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-22 01:00:54,676 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2020-10-22 01:00:54,677 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2020-10-22 01:00:54,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-22 01:00:54,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-22 01:00:54,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-22 01:00:54,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-22 01:00:54,680 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 01:00:55,103 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-22 01:00:55,103 INFO L298 CfgBuilder]: Removed 19 assume(true) statements. [2020-10-22 01:00:55,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 01:00:55 BoogieIcfgContainer [2020-10-22 01:00:55,105 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-22 01:00:55,107 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-22 01:00:55,107 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-22 01:00:55,112 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-22 01:00:55,112 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 01:00:53" (1/3) ... [2020-10-22 01:00:55,113 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9e2fcb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 01:00:55, skipping insertion in model container [2020-10-22 01:00:55,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:00:54" (2/3) ... [2020-10-22 01:00:55,114 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9e2fcb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 01:00:55, skipping insertion in model container [2020-10-22 01:00:55,114 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 01:00:55" (3/3) ... [2020-10-22 01:00:55,120 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_41-trylock_racefree.i [2020-10-22 01:00:55,134 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-22 01:00:55,134 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-22 01:00:55,140 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-22 01:00:55,142 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-22 01:00:55,170 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:00:55,170 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:00:55,171 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:00:55,171 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:00:55,171 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:00:55,172 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:00:55,172 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:00:55,173 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:00:55,173 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:00:55,173 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:00:55,173 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:00:55,174 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:00:55,174 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:00:55,174 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:00:55,175 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:00:55,175 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:00:55,179 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:00:55,180 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:00:55,184 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:00:55,184 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:00:55,184 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:00:55,185 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:00:55,188 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:00:55,191 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:00:55,191 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:00:55,192 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:00:55,192 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:00:55,199 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2020-10-22 01:00:55,214 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-10-22 01:00:55,236 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-22 01:00:55,236 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-22 01:00:55,236 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-22 01:00:55,236 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-22 01:00:55,236 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-22 01:00:55,236 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-22 01:00:55,237 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-22 01:00:55,237 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-22 01:00:55,252 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-22 01:00:55,253 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 91 places, 103 transitions, 214 flow [2020-10-22 01:00:55,256 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 91 places, 103 transitions, 214 flow [2020-10-22 01:00:55,258 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 91 places, 103 transitions, 214 flow [2020-10-22 01:00:55,323 INFO L129 PetriNetUnfolder]: 23/143 cut-off events. [2020-10-22 01:00:55,323 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2020-10-22 01:00:55,331 INFO L80 FinitePrefix]: Finished finitePrefix Result has 149 conditions, 143 events. 23/143 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 413 event pairs, 0 based on Foata normal form. 0/115 useless extension candidates. Maximal degree in co-relation 72. Up to 6 conditions per place. [2020-10-22 01:00:55,335 INFO L116 LiptonReduction]: Number of co-enabled transitions 2520 [2020-10-22 01:00:56,742 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 60 [2020-10-22 01:00:57,592 WARN L193 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 110 [2020-10-22 01:00:57,800 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-22 01:00:57,814 INFO L131 LiptonReduction]: Checked pairs total: 4592 [2020-10-22 01:00:57,814 INFO L133 LiptonReduction]: Total number of compositions: 85 [2020-10-22 01:00:57,825 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 29 places, 38 transitions, 84 flow [2020-10-22 01:00:57,842 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 165 states. [2020-10-22 01:00:57,844 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states. [2020-10-22 01:00:57,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-22 01:00:57,851 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:00:57,852 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-22 01:00:57,852 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:00:57,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:00:57,858 INFO L82 PathProgramCache]: Analyzing trace with hash 393819359, now seen corresponding path program 1 times [2020-10-22 01:00:57,884 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:00:57,885 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999927537] [2020-10-22 01:00:57,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:00:58,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:00:58,066 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 01:00:58,067 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999927537] [2020-10-22 01:00:58,068 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:00:58,068 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 01:00:58,069 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1004964843] [2020-10-22 01:00:58,070 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:00:58,073 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:00:58,088 INFO L252 McrAutomatonBuilder]: Finished intersection with 6 states and 5 transitions. [2020-10-22 01:00:58,089 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:00:58,096 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:00:58,097 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 01:00:58,097 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:00:58,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 01:00:58,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 01:00:58,115 INFO L87 Difference]: Start difference. First operand 165 states. Second operand 3 states. [2020-10-22 01:00:58,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:00:58,149 INFO L93 Difference]: Finished difference Result 157 states and 292 transitions. [2020-10-22 01:00:58,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 01:00:58,151 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-10-22 01:00:58,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:00:58,162 INFO L225 Difference]: With dead ends: 157 [2020-10-22 01:00:58,162 INFO L226 Difference]: Without dead ends: 83 [2020-10-22 01:00:58,164 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 01:00:58,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2020-10-22 01:00:58,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2020-10-22 01:00:58,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2020-10-22 01:00:58,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 155 transitions. [2020-10-22 01:00:58,210 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 155 transitions. Word has length 5 [2020-10-22 01:00:58,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:00:58,211 INFO L481 AbstractCegarLoop]: Abstraction has 83 states and 155 transitions. [2020-10-22 01:00:58,211 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 01:00:58,211 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 155 transitions. [2020-10-22 01:00:58,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-22 01:00:58,212 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:00:58,212 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2020-10-22 01:00:58,213 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-22 01:00:58,213 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:00:58,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:00:58,213 INFO L82 PathProgramCache]: Analyzing trace with hash -707360381, now seen corresponding path program 1 times [2020-10-22 01:00:58,219 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:00:58,219 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076991474] [2020-10-22 01:00:58,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:00:58,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-22 01:00:58,257 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-22 01:00:58,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-22 01:00:58,280 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-22 01:00:58,310 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-22 01:00:58,311 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-22 01:00:58,312 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-22 01:00:58,318 WARN L371 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-22 01:00:58,318 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2020-10-22 01:00:58,332 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:00:58,332 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:00:58,333 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:00:58,333 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:00:58,335 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:00:58,336 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:00:58,336 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:00:58,336 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:00:58,336 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:00:58,336 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:00:58,337 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:00:58,337 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:00:58,337 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:00:58,337 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:00:58,337 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:00:58,338 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:00:58,338 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:00:58,338 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:00:58,339 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:00:58,339 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:00:58,339 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:00:58,340 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:00:58,340 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:00:58,340 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:00:58,340 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:00:58,340 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:00:58,341 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:00:58,341 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:00:58,341 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:00:58,341 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:00:58,341 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:00:58,342 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:00:58,342 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:00:58,342 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:00:58,342 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:00:58,342 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:00:58,343 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:00:58,343 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:00:58,344 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:00:58,344 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:00:58,344 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:00:58,344 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:00:58,344 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:00:58,344 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:00:58,345 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:00:58,352 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:00:58,353 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:00:58,353 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:00:58,353 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:00:58,353 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:00:58,354 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:00:58,354 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:00:58,354 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:00:58,354 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:00:58,371 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2020-10-22 01:00:58,371 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-10-22 01:00:58,371 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-22 01:00:58,372 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-22 01:00:58,372 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-22 01:00:58,372 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-22 01:00:58,372 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-22 01:00:58,372 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-22 01:00:58,372 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-22 01:00:58,372 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-22 01:00:58,375 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-22 01:00:58,375 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 116 places, 133 transitions, 284 flow [2020-10-22 01:00:58,375 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 116 places, 133 transitions, 284 flow [2020-10-22 01:00:58,376 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 116 places, 133 transitions, 284 flow [2020-10-22 01:00:58,463 INFO L129 PetriNetUnfolder]: 40/236 cut-off events. [2020-10-22 01:00:58,464 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2020-10-22 01:00:58,470 INFO L80 FinitePrefix]: Finished finitePrefix Result has 250 conditions, 236 events. 40/236 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 796 event pairs, 0 based on Foata normal form. 0/189 useless extension candidates. Maximal degree in co-relation 145. Up to 9 conditions per place. [2020-10-22 01:00:58,480 INFO L116 LiptonReduction]: Number of co-enabled transitions 7224 [2020-10-22 01:00:59,842 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2020-10-22 01:01:00,144 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 84 [2020-10-22 01:01:00,259 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-10-22 01:01:00,677 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 110 [2020-10-22 01:01:00,885 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-22 01:01:00,909 INFO L131 LiptonReduction]: Checked pairs total: 17719 [2020-10-22 01:01:00,909 INFO L133 LiptonReduction]: Total number of compositions: 94 [2020-10-22 01:01:00,909 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 47 places, 61 transitions, 140 flow [2020-10-22 01:01:01,038 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 2584 states. [2020-10-22 01:01:01,038 INFO L276 IsEmpty]: Start isEmpty. Operand 2584 states. [2020-10-22 01:01:01,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-22 01:01:01,039 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:01:01,039 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-22 01:01:01,039 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:01:01,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:01:01,040 INFO L82 PathProgramCache]: Analyzing trace with hash 639163964, now seen corresponding path program 1 times [2020-10-22 01:01:01,046 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:01:01,047 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970402887] [2020-10-22 01:01:01,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:01:01,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:01:01,089 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 01:01:01,090 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970402887] [2020-10-22 01:01:01,093 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:01:01,094 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 01:01:01,094 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [932669907] [2020-10-22 01:01:01,094 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:01:01,095 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:01:01,096 INFO L252 McrAutomatonBuilder]: Finished intersection with 6 states and 5 transitions. [2020-10-22 01:01:01,096 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:01:01,096 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:01:01,097 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 01:01:01,100 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:01:01,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 01:01:01,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 01:01:01,101 INFO L87 Difference]: Start difference. First operand 2584 states. Second operand 3 states. [2020-10-22 01:01:01,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:01:01,177 INFO L93 Difference]: Finished difference Result 2420 states and 6636 transitions. [2020-10-22 01:01:01,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 01:01:01,178 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-10-22 01:01:01,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:01:01,201 INFO L225 Difference]: With dead ends: 2420 [2020-10-22 01:01:01,201 INFO L226 Difference]: Without dead ends: 1395 [2020-10-22 01:01:01,202 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 01:01:01,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1395 states. [2020-10-22 01:01:01,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1395 to 1395. [2020-10-22 01:01:01,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1395 states. [2020-10-22 01:01:01,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1395 states to 1395 states and 3871 transitions. [2020-10-22 01:01:01,312 INFO L78 Accepts]: Start accepts. Automaton has 1395 states and 3871 transitions. Word has length 5 [2020-10-22 01:01:01,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:01:01,321 INFO L481 AbstractCegarLoop]: Abstraction has 1395 states and 3871 transitions. [2020-10-22 01:01:01,321 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 01:01:01,321 INFO L276 IsEmpty]: Start isEmpty. Operand 1395 states and 3871 transitions. [2020-10-22 01:01:01,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-22 01:01:01,322 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:01:01,322 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:01:01,323 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-22 01:01:01,323 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:01:01,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:01:01,323 INFO L82 PathProgramCache]: Analyzing trace with hash 1902601349, now seen corresponding path program 1 times [2020-10-22 01:01:01,324 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:01:01,325 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398150315] [2020-10-22 01:01:01,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:01:01,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:01:01,413 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:01:01,414 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398150315] [2020-10-22 01:01:01,414 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [223423687] [2020-10-22 01:01:01,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 01:01:01,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:01:01,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-22 01:01:01,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 01:01:01,509 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-22 01:01:01,509 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-22 01:01:01,510 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [3] total 4 [2020-10-22 01:01:01,510 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1917348115] [2020-10-22 01:01:01,510 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:01:01,511 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:01:01,512 INFO L252 McrAutomatonBuilder]: Finished intersection with 10 states and 9 transitions. [2020-10-22 01:01:01,512 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:01:01,513 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:01:01,513 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 01:01:01,513 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:01:01,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 01:01:01,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-22 01:01:01,514 INFO L87 Difference]: Start difference. First operand 1395 states and 3871 transitions. Second operand 3 states. [2020-10-22 01:01:01,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:01:01,543 INFO L93 Difference]: Finished difference Result 1365 states and 3786 transitions. [2020-10-22 01:01:01,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 01:01:01,543 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-10-22 01:01:01,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:01:01,552 INFO L225 Difference]: With dead ends: 1365 [2020-10-22 01:01:01,552 INFO L226 Difference]: Without dead ends: 1365 [2020-10-22 01:01:01,553 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-22 01:01:01,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1365 states. [2020-10-22 01:01:01,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1365 to 1365. [2020-10-22 01:01:01,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1365 states. [2020-10-22 01:01:01,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1365 states to 1365 states and 3786 transitions. [2020-10-22 01:01:01,596 INFO L78 Accepts]: Start accepts. Automaton has 1365 states and 3786 transitions. Word has length 9 [2020-10-22 01:01:01,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:01:01,596 INFO L481 AbstractCegarLoop]: Abstraction has 1365 states and 3786 transitions. [2020-10-22 01:01:01,596 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 01:01:01,596 INFO L276 IsEmpty]: Start isEmpty. Operand 1365 states and 3786 transitions. [2020-10-22 01:01:01,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-22 01:01:01,598 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:01:01,598 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2020-10-22 01:01:01,812 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 01:01:01,813 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:01:01,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:01:01,814 INFO L82 PathProgramCache]: Analyzing trace with hash -1367615079, now seen corresponding path program 1 times [2020-10-22 01:01:01,815 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:01:01,816 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721799850] [2020-10-22 01:01:01,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:01:01,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-22 01:01:01,857 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-22 01:01:01,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-22 01:01:01,891 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-22 01:01:01,907 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-22 01:01:01,908 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-22 01:01:01,908 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-22 01:01:01,909 WARN L371 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-22 01:01:01,910 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2020-10-22 01:01:01,923 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:01,923 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:01,923 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:01,923 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:01,923 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:01,923 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:01,924 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:01,924 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:01,924 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:01,924 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:01,924 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:01,924 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:01,925 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:01,925 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:01,926 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:01,926 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:01,926 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:01,926 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:01,927 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:01,927 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:01,927 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:01,928 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:01,928 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:01,928 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:01,928 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:01,928 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:01,928 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:01,929 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:01,929 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:01,929 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:01,929 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:01,929 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:01,929 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:01,930 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:01,930 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:01,930 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:01,931 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:01,931 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:01,931 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:01,931 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:01,931 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:01,932 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:01,932 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:01,932 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:01,932 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:01,932 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:01,932 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:01,933 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:01,933 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:01,937 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:01,938 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:01,938 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:01,938 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:01,938 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:01,939 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:01,939 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:01,940 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:01,940 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:01,940 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:01,940 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:01,941 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:01,941 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:01,941 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:01,947 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:01,947 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:01,947 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:01,948 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:01,948 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:01,948 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:01,948 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:01,948 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:01,948 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:01,950 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:01,950 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:01,950 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:01,950 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:01,951 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:01,951 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:01,951 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:01,951 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:01,951 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:01,954 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2020-10-22 01:01:01,954 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-10-22 01:01:01,954 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-22 01:01:01,955 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-22 01:01:01,955 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-22 01:01:01,955 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-22 01:01:01,955 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-22 01:01:01,955 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-22 01:01:01,955 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-22 01:01:01,955 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-22 01:01:01,959 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-22 01:01:01,959 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 141 places, 163 transitions, 356 flow [2020-10-22 01:01:01,961 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 141 places, 163 transitions, 356 flow [2020-10-22 01:01:01,961 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 141 places, 163 transitions, 356 flow [2020-10-22 01:01:02,029 INFO L129 PetriNetUnfolder]: 62/360 cut-off events. [2020-10-22 01:01:02,029 INFO L130 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2020-10-22 01:01:02,034 INFO L80 FinitePrefix]: Finished finitePrefix Result has 388 conditions, 360 events. 62/360 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1345 event pairs, 1 based on Foata normal form. 0/290 useless extension candidates. Maximal degree in co-relation 244. Up to 16 conditions per place. [2020-10-22 01:01:02,080 INFO L116 LiptonReduction]: Number of co-enabled transitions 13440 [2020-10-22 01:01:03,495 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 53 [2020-10-22 01:01:04,237 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 110 [2020-10-22 01:01:04,409 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-22 01:01:04,433 INFO L131 LiptonReduction]: Checked pairs total: 34307 [2020-10-22 01:01:04,433 INFO L133 LiptonReduction]: Total number of compositions: 109 [2020-10-22 01:01:04,433 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 60 places, 78 transitions, 186 flow [2020-10-22 01:01:07,508 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 29991 states. [2020-10-22 01:01:07,508 INFO L276 IsEmpty]: Start isEmpty. Operand 29991 states. [2020-10-22 01:01:07,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-22 01:01:07,509 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:01:07,509 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-22 01:01:07,509 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:01:07,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:01:07,510 INFO L82 PathProgramCache]: Analyzing trace with hash 927214621, now seen corresponding path program 1 times [2020-10-22 01:01:07,511 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:01:07,511 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476484839] [2020-10-22 01:01:07,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:01:07,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:01:07,554 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 01:01:07,555 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476484839] [2020-10-22 01:01:07,555 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:01:07,555 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 01:01:07,555 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [787174752] [2020-10-22 01:01:07,555 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:01:07,556 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:01:07,556 INFO L252 McrAutomatonBuilder]: Finished intersection with 6 states and 5 transitions. [2020-10-22 01:01:07,556 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:01:07,557 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:01:07,557 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 01:01:07,558 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:01:07,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 01:01:07,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 01:01:07,558 INFO L87 Difference]: Start difference. First operand 29991 states. Second operand 3 states. [2020-10-22 01:01:07,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:01:07,942 INFO L93 Difference]: Finished difference Result 29984 states and 108764 transitions. [2020-10-22 01:01:07,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 01:01:07,942 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-10-22 01:01:07,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:01:08,106 INFO L225 Difference]: With dead ends: 29984 [2020-10-22 01:01:08,106 INFO L226 Difference]: Without dead ends: 16803 [2020-10-22 01:01:08,107 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 01:01:09,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16803 states. [2020-10-22 01:01:09,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16803 to 16803. [2020-10-22 01:01:09,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16803 states. [2020-10-22 01:01:10,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16803 states to 16803 states and 61927 transitions. [2020-10-22 01:01:10,180 INFO L78 Accepts]: Start accepts. Automaton has 16803 states and 61927 transitions. Word has length 5 [2020-10-22 01:01:10,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:01:10,180 INFO L481 AbstractCegarLoop]: Abstraction has 16803 states and 61927 transitions. [2020-10-22 01:01:10,180 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 01:01:10,181 INFO L276 IsEmpty]: Start isEmpty. Operand 16803 states and 61927 transitions. [2020-10-22 01:01:10,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-22 01:01:10,181 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:01:10,181 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:01:10,182 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-22 01:01:10,182 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:01:10,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:01:10,182 INFO L82 PathProgramCache]: Analyzing trace with hash 1954346939, now seen corresponding path program 1 times [2020-10-22 01:01:10,183 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:01:10,184 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737476240] [2020-10-22 01:01:10,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:01:10,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:01:10,213 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:01:10,213 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737476240] [2020-10-22 01:01:10,214 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [849335754] [2020-10-22 01:01:10,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 01:01:10,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:01:10,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-22 01:01:10,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 01:01:10,280 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-22 01:01:10,280 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-22 01:01:10,280 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [3] total 4 [2020-10-22 01:01:10,281 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1315792617] [2020-10-22 01:01:10,281 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:01:10,281 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:01:10,282 INFO L252 McrAutomatonBuilder]: Finished intersection with 10 states and 9 transitions. [2020-10-22 01:01:10,283 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:01:10,283 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:01:10,283 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 01:01:10,283 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:01:10,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 01:01:10,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-22 01:01:10,284 INFO L87 Difference]: Start difference. First operand 16803 states and 61927 transitions. Second operand 3 states. [2020-10-22 01:01:10,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:01:10,433 INFO L93 Difference]: Finished difference Result 16648 states and 61342 transitions. [2020-10-22 01:01:10,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 01:01:10,433 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-10-22 01:01:10,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:01:10,508 INFO L225 Difference]: With dead ends: 16648 [2020-10-22 01:01:10,509 INFO L226 Difference]: Without dead ends: 16648 [2020-10-22 01:01:10,509 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-22 01:01:10,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16648 states. [2020-10-22 01:01:11,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16648 to 16648. [2020-10-22 01:01:11,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16648 states. [2020-10-22 01:01:11,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16648 states to 16648 states and 61342 transitions. [2020-10-22 01:01:11,432 INFO L78 Accepts]: Start accepts. Automaton has 16648 states and 61342 transitions. Word has length 9 [2020-10-22 01:01:11,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:01:11,433 INFO L481 AbstractCegarLoop]: Abstraction has 16648 states and 61342 transitions. [2020-10-22 01:01:11,433 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 01:01:11,433 INFO L276 IsEmpty]: Start isEmpty. Operand 16648 states and 61342 transitions. [2020-10-22 01:01:11,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-22 01:01:11,435 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:01:11,436 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:01:11,650 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 01:01:11,651 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:01:11,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:01:11,652 INFO L82 PathProgramCache]: Analyzing trace with hash -631882854, now seen corresponding path program 1 times [2020-10-22 01:01:11,654 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:01:11,654 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403074275] [2020-10-22 01:01:11,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:01:11,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:01:11,683 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:01:11,683 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403074275] [2020-10-22 01:01:11,683 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1979780248] [2020-10-22 01:01:11,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 01:01:11,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:01:11,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-22 01:01:11,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 01:01:11,767 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:01:11,767 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-22 01:01:11,767 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2020-10-22 01:01:11,768 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2112217367] [2020-10-22 01:01:11,768 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:01:11,769 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:01:11,770 INFO L252 McrAutomatonBuilder]: Finished intersection with 15 states and 14 transitions. [2020-10-22 01:01:11,770 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:01:11,770 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:01:11,770 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-22 01:01:11,771 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:01:11,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-22 01:01:11,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-10-22 01:01:11,771 INFO L87 Difference]: Start difference. First operand 16648 states and 61342 transitions. Second operand 4 states. [2020-10-22 01:01:12,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:01:12,098 INFO L93 Difference]: Finished difference Result 16605 states and 61248 transitions. [2020-10-22 01:01:12,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-22 01:01:12,099 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2020-10-22 01:01:12,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:01:12,185 INFO L225 Difference]: With dead ends: 16605 [2020-10-22 01:01:12,186 INFO L226 Difference]: Without dead ends: 16605 [2020-10-22 01:01:12,186 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-10-22 01:01:12,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16605 states. [2020-10-22 01:01:12,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16605 to 16605. [2020-10-22 01:01:12,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16605 states. [2020-10-22 01:01:13,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16605 states to 16605 states and 61248 transitions. [2020-10-22 01:01:13,289 INFO L78 Accepts]: Start accepts. Automaton has 16605 states and 61248 transitions. Word has length 14 [2020-10-22 01:01:13,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:01:13,290 INFO L481 AbstractCegarLoop]: Abstraction has 16605 states and 61248 transitions. [2020-10-22 01:01:13,290 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-22 01:01:13,290 INFO L276 IsEmpty]: Start isEmpty. Operand 16605 states and 61248 transitions. [2020-10-22 01:01:13,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-22 01:01:13,292 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:01:13,292 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1] [2020-10-22 01:01:13,506 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 01:01:13,507 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:01:13,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:01:13,507 INFO L82 PathProgramCache]: Analyzing trace with hash 1719920852, now seen corresponding path program 1 times [2020-10-22 01:01:13,509 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:01:13,509 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696618812] [2020-10-22 01:01:13,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:01:13,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-22 01:01:13,526 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-22 01:01:13,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-22 01:01:13,540 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-22 01:01:13,547 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-22 01:01:13,548 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-22 01:01:13,548 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-22 01:01:13,549 WARN L371 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-22 01:01:13,549 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2020-10-22 01:01:13,558 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,558 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,558 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,558 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,559 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,559 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,559 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,559 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,559 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,560 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,560 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,560 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,560 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,560 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,560 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,561 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,561 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,561 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,561 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,561 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,561 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,562 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,562 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,562 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,562 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,562 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,562 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,563 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,563 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,563 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,563 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,563 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,564 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,564 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,564 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,564 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,564 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,565 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,565 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,565 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,565 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,565 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,565 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,566 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,566 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,566 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,566 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,566 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,566 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,566 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,567 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,567 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,567 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,567 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,567 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,567 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,568 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,568 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,568 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,568 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,568 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,568 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,569 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,569 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,569 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,569 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,569 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,569 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,570 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,570 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,570 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,570 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,571 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,571 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,571 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,571 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,571 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,571 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,572 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,572 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,572 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,574 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,574 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,574 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,574 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,574 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,574 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,575 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,575 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,575 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,576 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,576 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,576 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,577 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,577 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,577 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,577 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,577 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,577 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,578 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,579 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,579 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,579 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,579 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,579 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,579 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,580 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,580 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:01:13,583 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2020-10-22 01:01:13,583 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-10-22 01:01:13,584 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-22 01:01:13,584 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-22 01:01:13,584 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-22 01:01:13,584 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-22 01:01:13,584 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-22 01:01:13,584 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-22 01:01:13,584 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-22 01:01:13,584 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-22 01:01:13,586 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-22 01:01:13,586 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 166 places, 193 transitions, 430 flow [2020-10-22 01:01:13,586 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 166 places, 193 transitions, 430 flow [2020-10-22 01:01:13,587 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 166 places, 193 transitions, 430 flow [2020-10-22 01:01:13,658 INFO L129 PetriNetUnfolder]: 96/548 cut-off events. [2020-10-22 01:01:13,659 INFO L130 PetriNetUnfolder]: For 48/48 co-relation queries the response was YES. [2020-10-22 01:01:13,666 INFO L80 FinitePrefix]: Finished finitePrefix Result has 603 conditions, 548 events. 96/548 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2278 event pairs, 6 based on Foata normal form. 0/447 useless extension candidates. Maximal degree in co-relation 380. Up to 32 conditions per place. [2020-10-22 01:01:13,704 INFO L116 LiptonReduction]: Number of co-enabled transitions 21392 [2020-10-22 01:01:15,059 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2020-10-22 01:01:15,344 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2020-10-22 01:01:15,956 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 110 [2020-10-22 01:01:16,148 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-22 01:01:16,170 INFO L131 LiptonReduction]: Checked pairs total: 56604 [2020-10-22 01:01:16,170 INFO L133 LiptonReduction]: Total number of compositions: 123 [2020-10-22 01:01:16,170 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 74 places, 97 transitions, 238 flow Received shutdown request... [2020-10-22 01:05:15,743 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-22 01:05:15,746 WARN L235 ceAbstractionStarter]: Timeout [2020-10-22 01:05:15,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 01:05:15 BasicIcfg [2020-10-22 01:05:15,746 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-22 01:05:15,749 INFO L168 Benchmark]: Toolchain (without parser) took 261988.93 ms. Allocated memory was 141.0 MB in the beginning and 2.7 GB in the end (delta: 2.6 GB). Free memory was 103.0 MB in the beginning and 1.1 GB in the end (delta: -1.0 GB). Peak memory consumption was 2.8 GB. Max. memory is 7.1 GB. [2020-10-22 01:05:15,750 INFO L168 Benchmark]: CDTParser took 3.30 ms. Allocated memory is still 141.0 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-22 01:05:15,750 INFO L168 Benchmark]: CACSL2BoogieTranslator took 762.01 ms. Allocated memory was 141.0 MB in the beginning and 208.7 MB in the end (delta: 67.6 MB). Free memory was 102.1 MB in the beginning and 166.1 MB in the end (delta: -64.0 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. [2020-10-22 01:05:15,751 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.94 ms. Allocated memory is still 208.7 MB. Free memory was 165.4 MB in the beginning and 163.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-10-22 01:05:15,752 INFO L168 Benchmark]: Boogie Preprocessor took 34.97 ms. Allocated memory is still 208.7 MB. Free memory was 163.4 MB in the beginning and 162.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2020-10-22 01:05:15,753 INFO L168 Benchmark]: RCFGBuilder took 491.00 ms. Allocated memory is still 208.7 MB. Free memory was 161.4 MB in the beginning and 134.6 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. [2020-10-22 01:05:15,754 INFO L168 Benchmark]: TraceAbstraction took 260639.11 ms. Allocated memory was 208.7 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 134.6 MB in the beginning and 1.1 GB in the end (delta: -1.0 GB). Peak memory consumption was 2.8 GB. Max. memory is 7.1 GB. [2020-10-22 01:05:15,764 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.30 ms. Allocated memory is still 141.0 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 762.01 ms. Allocated memory was 141.0 MB in the beginning and 208.7 MB in the end (delta: 67.6 MB). Free memory was 102.1 MB in the beginning and 166.1 MB in the end (delta: -64.0 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 52.94 ms. Allocated memory is still 208.7 MB. Free memory was 165.4 MB in the beginning and 163.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 34.97 ms. Allocated memory is still 208.7 MB. Free memory was 163.4 MB in the beginning and 162.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 491.00 ms. Allocated memory is still 208.7 MB. Free memory was 161.4 MB in the beginning and 134.6 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 260639.11 ms. Allocated memory was 208.7 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 134.6 MB in the beginning and 1.1 GB in the end (delta: -1.0 GB). Peak memory consumption was 2.8 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1238 VarBasedMoverChecksPositive, 27 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 96 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 2.5s, 91 PlacesBefore, 29 PlacesAfterwards, 103 TransitionsBefore, 38 TransitionsAfterwards, 2520 CoEnabledTransitionPairs, 6 FixpointIterations, 26 TrivialSequentialCompositions, 43 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 13 ConcurrentYvCompositions, 3 ChoiceCompositions, 85 TotalNumberOfCompositions, 4592 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 3326 VarBasedMoverChecksPositive, 47 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 258 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 2.5s, 116 PlacesBefore, 47 PlacesAfterwards, 133 TransitionsBefore, 61 TransitionsAfterwards, 7224 CoEnabledTransitionPairs, 6 FixpointIterations, 23 TrivialSequentialCompositions, 49 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 19 ConcurrentYvCompositions, 3 ChoiceCompositions, 94 TotalNumberOfCompositions, 17719 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 5989 VarBasedMoverChecksPositive, 60 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 506 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 2.4s, 141 PlacesBefore, 60 PlacesAfterwards, 163 TransitionsBefore, 78 TransitionsAfterwards, 13440 CoEnabledTransitionPairs, 6 FixpointIterations, 23 TrivialSequentialCompositions, 60 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 22 ConcurrentYvCompositions, 4 ChoiceCompositions, 109 TotalNumberOfCompositions, 34307 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 9573 VarBasedMoverChecksPositive, 97 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 854 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 2.5s, 166 PlacesBefore, 74 PlacesAfterwards, 193 TransitionsBefore, 97 TransitionsAfterwards, 21392 CoEnabledTransitionPairs, 6 FixpointIterations, 23 TrivialSequentialCompositions, 71 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 25 ConcurrentYvCompositions, 4 ChoiceCompositions, 123 TotalNumberOfCompositions, 56604 MoverChecksTotal - TimeoutResultAtElement [Line: 683]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 683). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 74 places, 97 transitions, 238 flow. Already constructed 340460 states. Currently 18211 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 88 locations, 1 error locations. Started 4 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 260.3s, OverallIterations: 9, TraceHistogramMax: 4, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 252.9s, HoareTripleCheckerStatistics: 242 SDtfs, 105 SDslu, 249 SDs, 0 SdLazy, 50 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29991occurred 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: 4.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 111 NumberOfCodeBlocks, 111 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 70 ConstructedInterpolants, 0 QuantifiedInterpolants, 1342 SizeOfPredicates, 1 NumberOfNonLiveVariables, 268 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 9 InterpolantComputations, 5 PerfectInterpolantSequences, 2/6 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 could not prove your program: Timeout Completed graceful shutdown