/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-SP.epf -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_22-deref_read_racefree.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-1d1d2b5 [2020-10-22 02:37:42,657 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-22 02:37:42,661 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-22 02:37:42,700 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-22 02:37:42,701 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-22 02:37:42,709 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-22 02:37:42,712 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-22 02:37:42,716 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-22 02:37:42,719 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-22 02:37:42,722 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-22 02:37:42,723 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-22 02:37:42,724 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-22 02:37:42,725 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-22 02:37:42,728 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-22 02:37:42,730 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-22 02:37:42,732 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-22 02:37:42,733 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-22 02:37:42,734 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-22 02:37:42,735 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-22 02:37:42,743 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-22 02:37:42,745 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-22 02:37:42,747 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-22 02:37:42,748 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-22 02:37:42,749 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-22 02:37:42,767 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-22 02:37:42,770 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-22 02:37:42,771 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-22 02:37:42,771 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-22 02:37:42,772 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-22 02:37:42,773 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-22 02:37:42,773 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-22 02:37:42,774 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-22 02:37:42,774 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-22 02:37:42,774 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-22 02:37:42,775 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-22 02:37:42,776 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-22 02:37:42,777 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-SP.epf [2020-10-22 02:37:42,801 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-22 02:37:42,802 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-22 02:37:42,803 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-22 02:37:42,803 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-22 02:37:42,804 INFO L138 SettingsManager]: * Use SBE=true [2020-10-22 02:37:42,804 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-22 02:37:42,804 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-22 02:37:42,804 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-22 02:37:42,805 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-22 02:37:42,805 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-22 02:37:42,805 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-22 02:37:42,805 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-22 02:37:42,805 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-22 02:37:42,806 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-22 02:37:42,806 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-22 02:37:42,806 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-22 02:37:42,806 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-22 02:37:42,807 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-22 02:37:42,807 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-22 02:37:42,807 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-22 02:37:42,807 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-22 02:37:42,807 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-22 02:37:42,808 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-22 02:37:42,808 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-22 02:37:42,808 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-22 02:37:42,808 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-22 02:37:42,808 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-22 02:37:42,809 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-22 02:37:42,809 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-22 02:37:42,809 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-22 02:37:42,809 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-22 02:37:43,108 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-22 02:37:43,120 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-22 02:37:43,124 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-22 02:37:43,126 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-22 02:37:43,126 INFO L275 PluginConnector]: CDTParser initialized [2020-10-22 02:37:43,127 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_22-deref_read_racefree.i [2020-10-22 02:37:43,189 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/befaeef81/08ef5694bd1f42c6a14c414508a7f744/FLAG5c14d70f6 [2020-10-22 02:37:43,694 INFO L306 CDTParser]: Found 1 translation units. [2020-10-22 02:37:43,697 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_22-deref_read_racefree.i [2020-10-22 02:37:43,720 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/befaeef81/08ef5694bd1f42c6a14c414508a7f744/FLAG5c14d70f6 [2020-10-22 02:37:43,940 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/befaeef81/08ef5694bd1f42c6a14c414508a7f744 [2020-10-22 02:37:43,951 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-22 02:37:43,959 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-22 02:37:43,960 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-22 02:37:43,961 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-22 02:37:43,965 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-22 02:37:43,966 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 02:37:43" (1/1) ... [2020-10-22 02:37:43,969 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7669310a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:37:43, skipping insertion in model container [2020-10-22 02:37:43,970 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 02:37:43" (1/1) ... [2020-10-22 02:37:43,978 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-22 02:37:44,015 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-22 02:37:44,600 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 02:37:44,615 INFO L203 MainTranslator]: Completed pre-run [2020-10-22 02:37:44,657 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 02:37:44,734 INFO L208 MainTranslator]: Completed translation [2020-10-22 02:37:44,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:37:44 WrapperNode [2020-10-22 02:37:44,735 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-22 02:37:44,736 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-22 02:37:44,736 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-22 02:37:44,736 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-22 02:37:44,745 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:37:44" (1/1) ... [2020-10-22 02:37:44,762 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:37:44" (1/1) ... [2020-10-22 02:37:44,787 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-22 02:37:44,787 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-22 02:37:44,787 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-22 02:37:44,788 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-22 02:37:44,797 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:37:44" (1/1) ... [2020-10-22 02:37:44,798 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:37:44" (1/1) ... [2020-10-22 02:37:44,802 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:37:44" (1/1) ... [2020-10-22 02:37:44,805 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:37:44" (1/1) ... [2020-10-22 02:37:44,821 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:37:44" (1/1) ... [2020-10-22 02:37:44,830 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:37:44" (1/1) ... [2020-10-22 02:37:44,839 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:37:44" (1/1) ... [2020-10-22 02:37:44,845 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-22 02:37:44,845 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-22 02:37:44,845 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-22 02:37:44,846 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-22 02:37:44,850 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:37:44" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-22 02:37:44,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-22 02:37:44,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-22 02:37:44,926 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-22 02:37:44,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-22 02:37:44,926 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2020-10-22 02:37:44,926 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2020-10-22 02:37:44,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-22 02:37:44,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-22 02:37:44,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-22 02:37:44,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-22 02:37:44,929 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-22 02:37:45,406 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-22 02:37:45,407 INFO L298 CfgBuilder]: Removed 17 assume(true) statements. [2020-10-22 02:37:45,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 02:37:45 BoogieIcfgContainer [2020-10-22 02:37:45,409 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-22 02:37:45,411 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-22 02:37:45,411 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-22 02:37:45,414 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-22 02:37:45,415 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 02:37:43" (1/3) ... [2020-10-22 02:37:45,416 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@431bd890 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 02:37:45, skipping insertion in model container [2020-10-22 02:37:45,416 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:37:44" (2/3) ... [2020-10-22 02:37:45,416 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@431bd890 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 02:37:45, skipping insertion in model container [2020-10-22 02:37:45,416 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 02:37:45" (3/3) ... [2020-10-22 02:37:45,418 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_22-deref_read_racefree.i [2020-10-22 02:37:45,431 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-22 02:37:45,431 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-22 02:37:45,439 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-22 02:37:45,441 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-22 02:37:45,469 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:45,469 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:45,469 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:45,470 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:45,470 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:45,470 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:45,471 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:45,471 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:45,472 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:45,472 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:45,472 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:45,473 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:45,473 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:45,473 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:45,473 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:45,474 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:45,474 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:45,474 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:45,475 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:45,475 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:45,475 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:45,475 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:45,476 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:45,476 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:45,480 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:45,481 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:45,481 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:45,481 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:45,481 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:45,482 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:45,482 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:45,482 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:45,482 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:45,482 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:45,483 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:45,492 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-22 02:37:45,506 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-10-22 02:37:45,525 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-22 02:37:45,526 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-22 02:37:45,526 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-22 02:37:45,526 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-22 02:37:45,526 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-22 02:37:45,526 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-22 02:37:45,527 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-22 02:37:45,527 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-22 02:37:45,541 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-22 02:37:45,542 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 90 places, 98 transitions, 201 flow [2020-10-22 02:37:45,545 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 90 places, 98 transitions, 201 flow [2020-10-22 02:37:45,547 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 90 places, 98 transitions, 201 flow [2020-10-22 02:37:45,623 INFO L129 PetriNetUnfolder]: 16/131 cut-off events. [2020-10-22 02:37:45,624 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-22 02:37:45,633 INFO L80 FinitePrefix]: Finished finitePrefix Result has 136 conditions, 131 events. 16/131 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 314 event pairs, 0 based on Foata normal form. 0/111 useless extension candidates. Maximal degree in co-relation 69. Up to 4 conditions per place. [2020-10-22 02:37:45,641 INFO L116 LiptonReduction]: Number of co-enabled transitions 2432 [2020-10-22 02:37:47,175 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2020-10-22 02:37:47,677 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 93 [2020-10-22 02:37:47,839 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-10-22 02:37:48,456 WARN L193 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 127 [2020-10-22 02:37:48,742 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-22 02:37:48,750 INFO L131 LiptonReduction]: Checked pairs total: 4617 [2020-10-22 02:37:48,750 INFO L133 LiptonReduction]: Total number of compositions: 86 [2020-10-22 02:37:48,757 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 25 places, 30 transitions, 65 flow [2020-10-22 02:37:48,772 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 129 states. [2020-10-22 02:37:48,775 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states. [2020-10-22 02:37:48,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-10-22 02:37:48,781 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:37:48,782 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-10-22 02:37:48,783 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:37:48,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:37:48,789 INFO L82 PathProgramCache]: Analyzing trace with hash 12035982, now seen corresponding path program 1 times [2020-10-22 02:37:48,808 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:37:48,808 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237182995] [2020-10-22 02:37:48,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:37:48,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:37:49,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 02:37:49,005 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237182995] [2020-10-22 02:37:49,006 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:37:49,006 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 02:37:49,007 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [530041702] [2020-10-22 02:37:49,008 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:37:49,012 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:37:49,023 INFO L252 McrAutomatonBuilder]: Finished intersection with 5 states and 4 transitions. [2020-10-22 02:37:49,023 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:37:49,027 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:37:49,028 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 02:37:49,028 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:37:49,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 02:37:49,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 02:37:49,046 INFO L87 Difference]: Start difference. First operand 129 states. Second operand 3 states. [2020-10-22 02:37:49,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:37:49,095 INFO L93 Difference]: Finished difference Result 123 states and 221 transitions. [2020-10-22 02:37:49,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 02:37:49,097 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-10-22 02:37:49,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:37:49,111 INFO L225 Difference]: With dead ends: 123 [2020-10-22 02:37:49,111 INFO L226 Difference]: Without dead ends: 87 [2020-10-22 02:37:49,113 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 02:37:49,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2020-10-22 02:37:49,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2020-10-22 02:37:49,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-10-22 02:37:49,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 152 transitions. [2020-10-22 02:37:49,162 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 152 transitions. Word has length 4 [2020-10-22 02:37:49,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:37:49,163 INFO L481 AbstractCegarLoop]: Abstraction has 87 states and 152 transitions. [2020-10-22 02:37:49,163 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 02:37:49,163 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 152 transitions. [2020-10-22 02:37:49,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-22 02:37:49,164 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:37:49,164 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2020-10-22 02:37:49,165 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-22 02:37:49,165 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:37:49,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:37:49,165 INFO L82 PathProgramCache]: Analyzing trace with hash -1336022516, now seen corresponding path program 1 times [2020-10-22 02:37:49,166 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:37:49,167 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423676530] [2020-10-22 02:37:49,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:37:49,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-22 02:37:49,227 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-22 02:37:49,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-22 02:37:49,253 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-22 02:37:49,282 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-22 02:37:49,282 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-22 02:37:49,284 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-22 02:37:49,285 WARN L371 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-22 02:37:49,286 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2020-10-22 02:37:49,296 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:49,296 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:49,296 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:49,297 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:49,297 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:49,297 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:49,298 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:49,298 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:49,298 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:49,298 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:49,298 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:49,299 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:49,299 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:49,299 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:49,299 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:49,300 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:49,300 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:49,300 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:49,300 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:49,300 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:49,301 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:49,301 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:49,301 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:49,301 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:49,302 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:49,302 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:49,302 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:49,302 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:49,302 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:49,303 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:49,303 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:49,303 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:49,303 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:49,303 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:49,304 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:49,304 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:49,304 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:49,304 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:49,304 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:49,305 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:49,305 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:49,305 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:49,305 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:49,305 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:49,306 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:49,306 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:49,306 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:49,306 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:49,307 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:49,307 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:49,307 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:49,307 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:49,308 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:49,308 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:49,308 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:49,308 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:49,308 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:49,309 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:49,309 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:49,311 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:49,311 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:49,311 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:49,311 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:49,311 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:49,312 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:49,312 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:49,312 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:49,312 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:49,312 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:49,313 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:49,314 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-22 02:37:49,314 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-10-22 02:37:49,315 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-22 02:37:49,315 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-22 02:37:49,315 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-22 02:37:49,315 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-22 02:37:49,315 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-22 02:37:49,315 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-22 02:37:49,315 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-22 02:37:49,315 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-22 02:37:49,317 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-22 02:37:49,317 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 119 places, 131 transitions, 274 flow [2020-10-22 02:37:49,317 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 119 places, 131 transitions, 274 flow [2020-10-22 02:37:49,317 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 119 places, 131 transitions, 274 flow [2020-10-22 02:37:49,359 INFO L129 PetriNetUnfolder]: 27/201 cut-off events. [2020-10-22 02:37:49,359 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-10-22 02:37:49,362 INFO L80 FinitePrefix]: Finished finitePrefix Result has 211 conditions, 201 events. 27/201 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 632 event pairs, 0 based on Foata normal form. 0/168 useless extension candidates. Maximal degree in co-relation 132. Up to 6 conditions per place. [2020-10-22 02:37:49,370 INFO L116 LiptonReduction]: Number of co-enabled transitions 6976 [2020-10-22 02:37:50,652 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2020-10-22 02:37:51,243 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 85 [2020-10-22 02:37:51,358 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-10-22 02:37:51,994 WARN L193 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 127 [2020-10-22 02:37:52,292 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-22 02:37:52,308 INFO L131 LiptonReduction]: Checked pairs total: 13363 [2020-10-22 02:37:52,308 INFO L133 LiptonReduction]: Total number of compositions: 106 [2020-10-22 02:37:52,309 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 40 places, 50 transitions, 112 flow [2020-10-22 02:37:52,405 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1713 states. [2020-10-22 02:37:52,406 INFO L276 IsEmpty]: Start isEmpty. Operand 1713 states. [2020-10-22 02:37:52,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-10-22 02:37:52,406 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:37:52,407 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-10-22 02:37:52,407 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:37:52,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:37:52,407 INFO L82 PathProgramCache]: Analyzing trace with hash 20335975, now seen corresponding path program 1 times [2020-10-22 02:37:52,408 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:37:52,409 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744352724] [2020-10-22 02:37:52,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:37:52,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:37:52,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 02:37:52,506 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744352724] [2020-10-22 02:37:52,506 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:37:52,506 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 02:37:52,507 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [909955762] [2020-10-22 02:37:52,507 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:37:52,509 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:37:52,510 INFO L252 McrAutomatonBuilder]: Finished intersection with 5 states and 4 transitions. [2020-10-22 02:37:52,511 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:37:52,511 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:37:52,511 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 02:37:52,512 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:37:52,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 02:37:52,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 02:37:52,512 INFO L87 Difference]: Start difference. First operand 1713 states. Second operand 3 states. [2020-10-22 02:37:52,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:37:52,565 INFO L93 Difference]: Finished difference Result 1707 states and 4577 transitions. [2020-10-22 02:37:52,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 02:37:52,565 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-10-22 02:37:52,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:37:52,592 INFO L225 Difference]: With dead ends: 1707 [2020-10-22 02:37:52,592 INFO L226 Difference]: Without dead ends: 1239 [2020-10-22 02:37:52,593 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 02:37:52,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1239 states. [2020-10-22 02:37:52,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1239 to 1239. [2020-10-22 02:37:52,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1239 states. [2020-10-22 02:37:52,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1239 states to 1239 states and 3284 transitions. [2020-10-22 02:37:52,704 INFO L78 Accepts]: Start accepts. Automaton has 1239 states and 3284 transitions. Word has length 4 [2020-10-22 02:37:52,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:37:52,705 INFO L481 AbstractCegarLoop]: Abstraction has 1239 states and 3284 transitions. [2020-10-22 02:37:52,705 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 02:37:52,705 INFO L276 IsEmpty]: Start isEmpty. Operand 1239 states and 3284 transitions. [2020-10-22 02:37:52,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-22 02:37:52,706 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:37:52,706 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:37:52,707 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-22 02:37:52,707 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:37:52,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:37:52,707 INFO L82 PathProgramCache]: Analyzing trace with hash 2060429983, now seen corresponding path program 1 times [2020-10-22 02:37:52,708 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:37:52,709 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565446559] [2020-10-22 02:37:52,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:37:52,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:37:52,769 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 02:37:52,770 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565446559] [2020-10-22 02:37:52,770 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1217341462] [2020-10-22 02:37:52,770 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 02:37:52,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:37:52,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-22 02:37:52,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 02:37:52,878 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 02:37:52,878 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-22 02:37:52,879 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2020-10-22 02:37:52,879 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1676107198] [2020-10-22 02:37:52,879 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:37:52,881 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:37:52,882 INFO L252 McrAutomatonBuilder]: Finished intersection with 9 states and 8 transitions. [2020-10-22 02:37:52,883 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:37:52,883 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:37:52,883 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-22 02:37:52,884 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:37:52,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-22 02:37:52,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-10-22 02:37:52,884 INFO L87 Difference]: Start difference. First operand 1239 states and 3284 transitions. Second operand 4 states. [2020-10-22 02:37:52,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:37:52,923 INFO L93 Difference]: Finished difference Result 1203 states and 3215 transitions. [2020-10-22 02:37:52,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-22 02:37:52,924 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2020-10-22 02:37:52,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:37:52,932 INFO L225 Difference]: With dead ends: 1203 [2020-10-22 02:37:52,932 INFO L226 Difference]: Without dead ends: 1203 [2020-10-22 02:37:52,933 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 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 02:37:52,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1203 states. [2020-10-22 02:37:52,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1203 to 1203. [2020-10-22 02:37:52,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1203 states. [2020-10-22 02:37:52,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1203 states to 1203 states and 3215 transitions. [2020-10-22 02:37:52,984 INFO L78 Accepts]: Start accepts. Automaton has 1203 states and 3215 transitions. Word has length 8 [2020-10-22 02:37:52,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:37:52,985 INFO L481 AbstractCegarLoop]: Abstraction has 1203 states and 3215 transitions. [2020-10-22 02:37:52,985 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-22 02:37:52,985 INFO L276 IsEmpty]: Start isEmpty. Operand 1203 states and 3215 transitions. [2020-10-22 02:37:52,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-22 02:37:52,986 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:37:52,987 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2020-10-22 02:37:53,201 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 02:37:53,202 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:37:53,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:37:53,203 INFO L82 PathProgramCache]: Analyzing trace with hash -1712772048, now seen corresponding path program 1 times [2020-10-22 02:37:53,205 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:37:53,206 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795077909] [2020-10-22 02:37:53,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:37:53,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-22 02:37:53,233 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-22 02:37:53,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-22 02:37:53,291 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-22 02:37:53,310 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-22 02:37:53,310 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-22 02:37:53,311 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-22 02:37:53,311 WARN L371 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-22 02:37:53,314 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2020-10-22 02:37:53,327 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,328 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,328 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,328 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,328 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,328 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,329 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,329 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,329 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,329 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,330 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,330 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,330 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,330 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,331 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,331 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,331 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,331 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,331 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,332 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,332 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,332 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,332 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,332 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,333 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,336 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,337 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,337 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,337 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,337 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,338 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,338 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,343 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,345 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,345 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,345 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,346 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,346 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,346 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,347 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,347 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,347 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,347 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,347 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,347 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,348 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,348 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,348 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,348 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,348 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,349 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,349 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,349 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,349 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,349 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,350 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,350 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,350 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,350 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,350 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,350 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,351 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,351 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,352 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,352 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,352 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,352 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,352 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,352 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,353 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,353 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,353 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,354 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,354 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,354 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,354 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,354 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,354 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,355 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,355 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,355 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,355 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,355 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,357 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,357 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,357 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,357 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,358 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,358 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,358 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,358 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,358 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,359 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,359 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,360 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,360 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,360 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,361 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,361 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,361 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,361 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,361 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,361 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,362 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,362 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:37:53,363 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-22 02:37:53,363 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-10-22 02:37:53,364 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-22 02:37:53,364 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-22 02:37:53,364 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-22 02:37:53,364 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-22 02:37:53,364 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-22 02:37:53,364 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-22 02:37:53,365 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-22 02:37:53,365 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-22 02:37:53,367 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-22 02:37:53,367 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 148 places, 164 transitions, 349 flow [2020-10-22 02:37:53,370 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 148 places, 164 transitions, 349 flow [2020-10-22 02:37:53,370 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 148 places, 164 transitions, 349 flow [2020-10-22 02:37:53,455 INFO L129 PetriNetUnfolder]: 38/271 cut-off events. [2020-10-22 02:37:53,455 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-10-22 02:37:53,466 INFO L80 FinitePrefix]: Finished finitePrefix Result has 287 conditions, 271 events. 38/271 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 943 event pairs, 0 based on Foata normal form. 0/225 useless extension candidates. Maximal degree in co-relation 205. Up to 8 conditions per place. [2020-10-22 02:37:53,480 INFO L116 LiptonReduction]: Number of co-enabled transitions 13632 [2020-10-22 02:37:55,421 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-10-22 02:37:55,527 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-22 02:37:56,163 WARN L193 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 127 [2020-10-22 02:37:56,457 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-22 02:37:56,470 INFO L131 LiptonReduction]: Checked pairs total: 29358 [2020-10-22 02:37:56,470 INFO L133 LiptonReduction]: Total number of compositions: 126 [2020-10-22 02:37:56,471 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 54 places, 67 transitions, 155 flow [2020-10-22 02:37:58,330 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 20577 states. [2020-10-22 02:37:58,330 INFO L276 IsEmpty]: Start isEmpty. Operand 20577 states. [2020-10-22 02:37:58,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-10-22 02:37:58,330 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:37:58,331 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-10-22 02:37:58,331 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:37:58,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:37:58,331 INFO L82 PathProgramCache]: Analyzing trace with hash 30266032, now seen corresponding path program 1 times [2020-10-22 02:37:58,332 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:37:58,333 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071214005] [2020-10-22 02:37:58,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:37:58,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:37:58,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 02:37:58,372 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071214005] [2020-10-22 02:37:58,372 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:37:58,372 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 02:37:58,373 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1688945660] [2020-10-22 02:37:58,373 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:37:58,373 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:37:58,375 INFO L252 McrAutomatonBuilder]: Finished intersection with 5 states and 4 transitions. [2020-10-22 02:37:58,375 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:37:58,376 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:37:58,376 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 02:37:58,376 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:37:58,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 02:37:58,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 02:37:58,380 INFO L87 Difference]: Start difference. First operand 20577 states. Second operand 3 states. [2020-10-22 02:37:58,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:37:58,684 INFO L93 Difference]: Finished difference Result 20571 states and 73865 transitions. [2020-10-22 02:37:58,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 02:37:58,686 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-10-22 02:37:58,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:37:58,839 INFO L225 Difference]: With dead ends: 20571 [2020-10-22 02:37:58,839 INFO L226 Difference]: Without dead ends: 14919 [2020-10-22 02:37:58,840 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 02:37:59,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14919 states. [2020-10-22 02:38:00,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14919 to 14919. [2020-10-22 02:38:00,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14919 states. [2020-10-22 02:38:00,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14919 states to 14919 states and 53132 transitions. [2020-10-22 02:38:00,298 INFO L78 Accepts]: Start accepts. Automaton has 14919 states and 53132 transitions. Word has length 4 [2020-10-22 02:38:00,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:38:00,298 INFO L481 AbstractCegarLoop]: Abstraction has 14919 states and 53132 transitions. [2020-10-22 02:38:00,299 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 02:38:00,299 INFO L276 IsEmpty]: Start isEmpty. Operand 14919 states and 53132 transitions. [2020-10-22 02:38:00,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-22 02:38:00,300 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:38:00,300 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:38:00,300 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-22 02:38:00,300 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:38:00,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:38:00,301 INFO L82 PathProgramCache]: Analyzing trace with hash -1209450964, now seen corresponding path program 1 times [2020-10-22 02:38:00,302 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:38:00,302 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804842313] [2020-10-22 02:38:00,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:38:00,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:38:00,350 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 02:38:00,350 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804842313] [2020-10-22 02:38:00,350 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1004534264] [2020-10-22 02:38:00,350 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 02:38:00,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:38:00,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-22 02:38:00,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 02:38:00,558 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 02:38:00,558 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-22 02:38:00,559 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2020-10-22 02:38:00,559 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1449721730] [2020-10-22 02:38:00,559 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:38:00,560 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:38:00,561 INFO L252 McrAutomatonBuilder]: Finished intersection with 9 states and 8 transitions. [2020-10-22 02:38:00,561 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:38:00,561 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:38:00,562 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-22 02:38:00,562 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:38:00,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-22 02:38:00,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-10-22 02:38:00,562 INFO L87 Difference]: Start difference. First operand 14919 states and 53132 transitions. Second operand 4 states. [2020-10-22 02:38:00,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:38:00,748 INFO L93 Difference]: Finished difference Result 14883 states and 53063 transitions. [2020-10-22 02:38:00,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-22 02:38:00,749 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2020-10-22 02:38:00,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:38:00,816 INFO L225 Difference]: With dead ends: 14883 [2020-10-22 02:38:00,817 INFO L226 Difference]: Without dead ends: 14883 [2020-10-22 02:38:00,817 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 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 02:38:01,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14883 states. [2020-10-22 02:38:01,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14883 to 14883. [2020-10-22 02:38:01,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14883 states. [2020-10-22 02:38:01,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14883 states to 14883 states and 53063 transitions. [2020-10-22 02:38:01,663 INFO L78 Accepts]: Start accepts. Automaton has 14883 states and 53063 transitions. Word has length 8 [2020-10-22 02:38:01,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:38:01,664 INFO L481 AbstractCegarLoop]: Abstraction has 14883 states and 53063 transitions. [2020-10-22 02:38:01,664 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-22 02:38:01,664 INFO L276 IsEmpty]: Start isEmpty. Operand 14883 states and 53063 transitions. [2020-10-22 02:38:01,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-22 02:38:01,665 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:38:01,666 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1] [2020-10-22 02:38:01,881 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 02:38:01,882 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:38:01,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:38:01,882 INFO L82 PathProgramCache]: Analyzing trace with hash -723557305, now seen corresponding path program 1 times [2020-10-22 02:38:01,883 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:38:01,883 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962604574] [2020-10-22 02:38:01,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:38:01,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:38:01,921 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 02:38:01,921 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962604574] [2020-10-22 02:38:01,922 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1327255509] [2020-10-22 02:38:01,922 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 02:38:02,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:38:02,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-22 02:38:02,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 02:38:02,037 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 02:38:02,038 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-22 02:38:02,038 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2020-10-22 02:38:02,038 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [214963930] [2020-10-22 02:38:02,038 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:38:02,039 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:38:02,041 INFO L252 McrAutomatonBuilder]: Finished intersection with 13 states and 12 transitions. [2020-10-22 02:38:02,041 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:38:02,042 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:38:02,042 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-22 02:38:02,042 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:38:02,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-22 02:38:02,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-10-22 02:38:02,043 INFO L87 Difference]: Start difference. First operand 14883 states and 53063 transitions. Second operand 5 states. [2020-10-22 02:38:02,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:38:02,179 INFO L93 Difference]: Finished difference Result 14451 states and 51839 transitions. [2020-10-22 02:38:02,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-22 02:38:02,180 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2020-10-22 02:38:02,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:38:02,255 INFO L225 Difference]: With dead ends: 14451 [2020-10-22 02:38:02,255 INFO L226 Difference]: Without dead ends: 14451 [2020-10-22 02:38:02,256 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-10-22 02:38:02,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14451 states. [2020-10-22 02:38:03,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14451 to 14451. [2020-10-22 02:38:03,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14451 states. [2020-10-22 02:38:03,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14451 states to 14451 states and 51839 transitions. [2020-10-22 02:38:03,125 INFO L78 Accepts]: Start accepts. Automaton has 14451 states and 51839 transitions. Word has length 12 [2020-10-22 02:38:03,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:38:03,125 INFO L481 AbstractCegarLoop]: Abstraction has 14451 states and 51839 transitions. [2020-10-22 02:38:03,125 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-22 02:38:03,125 INFO L276 IsEmpty]: Start isEmpty. Operand 14451 states and 51839 transitions. [2020-10-22 02:38:03,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-22 02:38:03,130 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:38:03,130 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1] [2020-10-22 02:38:03,342 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 02:38:03,343 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:38:03,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:38:03,343 INFO L82 PathProgramCache]: Analyzing trace with hash -51136383, now seen corresponding path program 1 times [2020-10-22 02:38:03,345 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:38:03,345 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943603352] [2020-10-22 02:38:03,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:38:03,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-22 02:38:03,363 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-22 02:38:03,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-22 02:38:03,376 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-22 02:38:03,384 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-22 02:38:03,384 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-22 02:38:03,384 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-22 02:38:03,385 WARN L371 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-22 02:38:03,385 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2020-10-22 02:38:03,395 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,395 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,395 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,395 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,396 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,396 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,396 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,396 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,396 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,397 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,397 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,397 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,397 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,397 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,397 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,398 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,398 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,398 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,398 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,398 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,399 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,399 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,399 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,399 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,399 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,400 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,400 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,400 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,400 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,400 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,400 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,400 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,401 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,401 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,401 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,401 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,401 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,401 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,402 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,402 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,402 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,402 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,402 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,402 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,403 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,403 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,403 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,403 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,404 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,404 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,404 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,404 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,404 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,404 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,405 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,405 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,405 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,405 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,405 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,405 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,406 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,406 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,406 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,406 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,406 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,406 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,407 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,407 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,407 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,407 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,407 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,407 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,408 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,408 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,408 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,408 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,408 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,409 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,409 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,409 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,409 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,410 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,410 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,410 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,410 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,410 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,410 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,411 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,411 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,411 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,411 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,411 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,411 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,412 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,412 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,412 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,412 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,413 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,413 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,413 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,413 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,413 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,414 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,414 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,414 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,414 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,414 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,415 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,416 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,416 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,416 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,416 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,416 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,416 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,417 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,417 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,417 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,417 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,418 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,419 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,419 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,419 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,419 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,419 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,420 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,420 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,420 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,420 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,420 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,421 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,422 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,422 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,422 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,422 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,422 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,422 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,422 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,423 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,423 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,423 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:38:03,424 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-22 02:38:03,424 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-10-22 02:38:03,425 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-22 02:38:03,425 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-22 02:38:03,425 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-22 02:38:03,425 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-22 02:38:03,425 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-22 02:38:03,425 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-22 02:38:03,425 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-22 02:38:03,425 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-22 02:38:03,427 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-22 02:38:03,428 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 177 places, 197 transitions, 426 flow [2020-10-22 02:38:03,428 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 177 places, 197 transitions, 426 flow [2020-10-22 02:38:03,428 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 177 places, 197 transitions, 426 flow [2020-10-22 02:38:03,477 INFO L129 PetriNetUnfolder]: 49/341 cut-off events. [2020-10-22 02:38:03,477 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2020-10-22 02:38:03,482 INFO L80 FinitePrefix]: Finished finitePrefix Result has 364 conditions, 341 events. 49/341 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1249 event pairs, 0 based on Foata normal form. 0/282 useless extension candidates. Maximal degree in co-relation 279. Up to 10 conditions per place. [2020-10-22 02:38:03,505 INFO L116 LiptonReduction]: Number of co-enabled transitions 22400 [2020-10-22 02:38:05,240 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2020-10-22 02:38:05,712 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-10-22 02:38:05,843 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-10-22 02:38:06,462 WARN L193 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 127 [2020-10-22 02:38:06,732 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-22 02:38:06,747 INFO L131 LiptonReduction]: Checked pairs total: 50380 [2020-10-22 02:38:06,747 INFO L133 LiptonReduction]: Total number of compositions: 144 [2020-10-22 02:38:06,747 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 68 places, 85 transitions, 202 flow [2020-10-22 02:40:35,345 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 246945 states. [2020-10-22 02:40:35,345 INFO L276 IsEmpty]: Start isEmpty. Operand 246945 states. [2020-10-22 02:40:35,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-10-22 02:40:35,346 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:40:35,346 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-10-22 02:40:35,346 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:40:35,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:40:35,347 INFO L82 PathProgramCache]: Analyzing trace with hash 41807460, now seen corresponding path program 1 times [2020-10-22 02:40:35,348 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:40:35,348 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282020362] [2020-10-22 02:40:35,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:40:35,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:40:35,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 02:40:35,380 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282020362] [2020-10-22 02:40:35,380 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:40:35,380 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 02:40:35,381 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1317900533] [2020-10-22 02:40:35,381 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:40:35,381 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:40:35,382 INFO L252 McrAutomatonBuilder]: Finished intersection with 5 states and 4 transitions. [2020-10-22 02:40:35,382 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:40:35,382 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:40:35,382 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 02:40:35,382 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:40:35,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 02:40:35,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 02:40:35,383 INFO L87 Difference]: Start difference. First operand 246945 states. Second operand 3 states. [2020-10-22 02:40:44,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:40:44,088 INFO L93 Difference]: Finished difference Result 246939 states and 1112825 transitions. [2020-10-22 02:40:44,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 02:40:44,088 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-10-22 02:40:44,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:40:44,828 INFO L225 Difference]: With dead ends: 246939 [2020-10-22 02:40:44,828 INFO L226 Difference]: Without dead ends: 179079 [2020-10-22 02:40:44,828 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 02:41:06,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179079 states. [2020-10-22 02:41:15,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179079 to 179079. [2020-10-22 02:41:15,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179079 states. [2020-10-22 02:41:17,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179079 states to 179079 states and 801788 transitions. [2020-10-22 02:41:17,579 INFO L78 Accepts]: Start accepts. Automaton has 179079 states and 801788 transitions. Word has length 4 [2020-10-22 02:41:17,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:41:17,579 INFO L481 AbstractCegarLoop]: Abstraction has 179079 states and 801788 transitions. [2020-10-22 02:41:17,579 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 02:41:17,579 INFO L276 IsEmpty]: Start isEmpty. Operand 179079 states and 801788 transitions. [2020-10-22 02:41:17,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-22 02:41:17,580 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:41:17,580 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:41:17,580 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-22 02:41:17,580 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:41:17,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:41:17,580 INFO L82 PathProgramCache]: Analyzing trace with hash 2036398441, now seen corresponding path program 1 times [2020-10-22 02:41:17,581 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:41:17,582 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538146929] [2020-10-22 02:41:17,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:41:17,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:41:17,610 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 02:41:17,611 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538146929] [2020-10-22 02:41:17,611 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1158725941] [2020-10-22 02:41:17,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 02:41:17,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:41:17,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-22 02:41:17,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 02:41:17,708 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 02:41:17,708 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-22 02:41:17,708 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2020-10-22 02:41:17,709 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2035690693] [2020-10-22 02:41:17,709 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:41:17,709 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:41:17,710 INFO L252 McrAutomatonBuilder]: Finished intersection with 9 states and 8 transitions. [2020-10-22 02:41:17,710 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:41:17,710 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:41:17,711 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-22 02:41:17,711 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:41:17,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-22 02:41:17,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-10-22 02:41:17,712 INFO L87 Difference]: Start difference. First operand 179079 states and 801788 transitions. Second operand 4 states. [2020-10-22 02:41:28,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:41:28,813 INFO L93 Difference]: Finished difference Result 179043 states and 801719 transitions. [2020-10-22 02:41:28,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-22 02:41:28,813 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2020-10-22 02:41:28,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:41:29,429 INFO L225 Difference]: With dead ends: 179043 [2020-10-22 02:41:29,429 INFO L226 Difference]: Without dead ends: 179043 [2020-10-22 02:41:29,430 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 Received shutdown request... [2020-10-22 02:41:49,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179043 states. [2020-10-22 02:41:49,719 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 02:41:49,720 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-22 02:41:49,724 WARN L235 ceAbstractionStarter]: Timeout [2020-10-22 02:41:49,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 02:41:49 BasicIcfg [2020-10-22 02:41:49,724 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-22 02:41:49,726 INFO L168 Benchmark]: Toolchain (without parser) took 245773.06 ms. Allocated memory was 140.0 MB in the beginning and 4.5 GB in the end (delta: 4.3 GB). Free memory was 101.3 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 4.2 GB. Max. memory is 7.1 GB. [2020-10-22 02:41:49,727 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-22 02:41:49,727 INFO L168 Benchmark]: CACSL2BoogieTranslator took 774.96 ms. Allocated memory was 140.0 MB in the beginning and 205.5 MB in the end (delta: 65.5 MB). Free memory was 100.5 MB in the beginning and 160.7 MB in the end (delta: -60.2 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. [2020-10-22 02:41:49,728 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.26 ms. Allocated memory is still 205.5 MB. Free memory was 160.7 MB in the beginning and 158.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-10-22 02:41:49,729 INFO L168 Benchmark]: Boogie Preprocessor took 57.73 ms. Allocated memory is still 205.5 MB. Free memory was 158.6 MB in the beginning and 156.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-10-22 02:41:49,729 INFO L168 Benchmark]: RCFGBuilder took 564.05 ms. Allocated memory is still 205.5 MB. Free memory was 156.6 MB in the beginning and 129.5 MB in the end (delta: 27.1 MB). Peak memory consumption was 27.1 MB. Max. memory is 7.1 GB. [2020-10-22 02:41:49,730 INFO L168 Benchmark]: TraceAbstraction took 244313.74 ms. Allocated memory was 205.5 MB in the beginning and 4.5 GB in the end (delta: 4.3 GB). Free memory was 128.8 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 4.2 GB. Max. memory is 7.1 GB. [2020-10-22 02:41:49,738 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 774.96 ms. Allocated memory was 140.0 MB in the beginning and 205.5 MB in the end (delta: 65.5 MB). Free memory was 100.5 MB in the beginning and 160.7 MB in the end (delta: -60.2 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 51.26 ms. Allocated memory is still 205.5 MB. Free memory was 160.7 MB in the beginning and 158.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 57.73 ms. Allocated memory is still 205.5 MB. Free memory was 158.6 MB in the beginning and 156.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 564.05 ms. Allocated memory is still 205.5 MB. Free memory was 156.6 MB in the beginning and 129.5 MB in the end (delta: 27.1 MB). Peak memory consumption was 27.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 244313.74 ms. Allocated memory was 205.5 MB in the beginning and 4.5 GB in the end (delta: 4.3 GB). Free memory was 128.8 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 4.2 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1312 VarBasedMoverChecksPositive, 41 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 70 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 3.2s, 90 PlacesBefore, 25 PlacesAfterwards, 98 TransitionsBefore, 30 TransitionsAfterwards, 2432 CoEnabledTransitionPairs, 6 FixpointIterations, 26 TrivialSequentialCompositions, 42 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 15 ConcurrentYvCompositions, 3 ChoiceCompositions, 86 TotalNumberOfCompositions, 4617 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 3475 VarBasedMoverChecksPositive, 57 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 124 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 2.9s, 119 PlacesBefore, 40 PlacesAfterwards, 131 TransitionsBefore, 50 TransitionsAfterwards, 6976 CoEnabledTransitionPairs, 5 FixpointIterations, 26 TrivialSequentialCompositions, 59 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 19 ConcurrentYvCompositions, 2 ChoiceCompositions, 106 TotalNumberOfCompositions, 13363 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 6430 VarBasedMoverChecksPositive, 76 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 271 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 3.1s, 148 PlacesBefore, 54 PlacesAfterwards, 164 TransitionsBefore, 67 TransitionsAfterwards, 13632 CoEnabledTransitionPairs, 6 FixpointIterations, 26 TrivialSequentialCompositions, 74 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 23 ConcurrentYvCompositions, 3 ChoiceCompositions, 126 TotalNumberOfCompositions, 29358 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 10769 VarBasedMoverChecksPositive, 107 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 716 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 3.3s, 177 PlacesBefore, 68 PlacesAfterwards, 197 TransitionsBefore, 85 TransitionsAfterwards, 22400 CoEnabledTransitionPairs, 6 FixpointIterations, 26 TrivialSequentialCompositions, 88 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 27 ConcurrentYvCompositions, 3 ChoiceCompositions, 144 TotalNumberOfCompositions, 50380 MoverChecksTotal - TimeoutResultAtElement [Line: 683]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 683). Cancelled while executing MinimizeSevpa. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 87 locations, 1 error locations. Started 4 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 244.0s, OverallIterations: 11, TraceHistogramMax: 4, AutomataDifference: 22.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 163.2s, HoareTripleCheckerStatistics: 323 SDtfs, 247 SDslu, 486 SDs, 0 SdLazy, 55 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 53 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=246945occurred 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: 56.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 120 NumberOfCodeBlocks, 120 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 76 ConstructedInterpolants, 0 QuantifiedInterpolants, 1412 SizeOfPredicates, 4 NumberOfNonLiveVariables, 435 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 12 InterpolantComputations, 4 PerfectInterpolantSequences, 0/18 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