/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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread/stack-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c7e336b [2020-10-05 22:21:24,499 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-05 22:21:24,502 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-05 22:21:24,526 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-05 22:21:24,527 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-05 22:21:24,528 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-05 22:21:24,530 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-05 22:21:24,531 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-05 22:21:24,533 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-05 22:21:24,534 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-05 22:21:24,535 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-05 22:21:24,536 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-05 22:21:24,536 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-05 22:21:24,538 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-05 22:21:24,539 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-05 22:21:24,540 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-05 22:21:24,541 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-05 22:21:24,541 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-05 22:21:24,543 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-05 22:21:24,545 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-05 22:21:24,546 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-05 22:21:24,547 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-05 22:21:24,549 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-05 22:21:24,549 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-05 22:21:24,552 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-05 22:21:24,555 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-05 22:21:24,556 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-05 22:21:24,556 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-05 22:21:24,557 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-05 22:21:24,558 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-05 22:21:24,559 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-05 22:21:24,559 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-05 22:21:24,560 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-05 22:21:24,560 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-05 22:21:24,561 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-05 22:21:24,561 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-05 22:21:24,562 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-05 22:21:24,595 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-05 22:21:24,595 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-05 22:21:24,596 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-05 22:21:24,596 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-05 22:21:24,597 INFO L138 SettingsManager]: * Use SBE=true [2020-10-05 22:21:24,597 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-05 22:21:24,597 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-05 22:21:24,597 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-05 22:21:24,598 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-05 22:21:24,598 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-05 22:21:24,598 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-05 22:21:24,598 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-05 22:21:24,598 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-05 22:21:24,599 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-05 22:21:24,599 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-05 22:21:24,599 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-05 22:21:24,599 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-05 22:21:24,600 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-05 22:21:24,600 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-05 22:21:24,600 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-05 22:21:24,600 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-05 22:21:24,600 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-05 22:21:24,601 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-05 22:21:24,601 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-05 22:21:24,601 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-05 22:21:24,601 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-05 22:21:24,601 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-05 22:21:24,602 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-05 22:21:24,602 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-05 22:21:24,602 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-05 22:21:24,926 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-05 22:21:24,947 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-05 22:21:24,951 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-05 22:21:24,953 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-05 22:21:24,956 INFO L275 PluginConnector]: CDTParser initialized [2020-10-05 22:21:24,957 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stack-2.i [2020-10-05 22:21:25,022 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e60fefaed/7aa635f57c984d159c4f7cefea59ab0e/FLAGc25a6a8b8 [2020-10-05 22:21:25,661 INFO L306 CDTParser]: Found 1 translation units. [2020-10-05 22:21:25,662 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack-2.i [2020-10-05 22:21:25,695 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e60fefaed/7aa635f57c984d159c4f7cefea59ab0e/FLAGc25a6a8b8 [2020-10-05 22:21:25,858 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e60fefaed/7aa635f57c984d159c4f7cefea59ab0e [2020-10-05 22:21:25,869 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-05 22:21:25,871 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-05 22:21:25,873 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-05 22:21:25,873 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-05 22:21:25,876 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-05 22:21:25,878 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.10 10:21:25" (1/1) ... [2020-10-05 22:21:25,881 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73ff41f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:21:25, skipping insertion in model container [2020-10-05 22:21:25,881 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.10 10:21:25" (1/1) ... [2020-10-05 22:21:25,890 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-05 22:21:25,941 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-05 22:21:26,539 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-05 22:21:26,558 INFO L203 MainTranslator]: Completed pre-run [2020-10-05 22:21:26,608 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-05 22:21:26,773 INFO L208 MainTranslator]: Completed translation [2020-10-05 22:21:26,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:21:26 WrapperNode [2020-10-05 22:21:26,774 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-05 22:21:26,775 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-05 22:21:26,776 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-05 22:21:26,776 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-05 22:21:26,789 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:21:26" (1/1) ... [2020-10-05 22:21:26,814 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:21:26" (1/1) ... [2020-10-05 22:21:26,855 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-05 22:21:26,856 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-05 22:21:26,856 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-05 22:21:26,857 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-05 22:21:26,870 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:21:26" (1/1) ... [2020-10-05 22:21:26,870 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:21:26" (1/1) ... [2020-10-05 22:21:26,875 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:21:26" (1/1) ... [2020-10-05 22:21:26,876 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:21:26" (1/1) ... [2020-10-05 22:21:26,886 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:21:26" (1/1) ... [2020-10-05 22:21:26,892 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:21:26" (1/1) ... [2020-10-05 22:21:26,898 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:21:26" (1/1) ... [2020-10-05 22:21:26,907 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-05 22:21:26,908 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-05 22:21:26,908 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-05 22:21:26,908 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-05 22:21:26,909 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:21:26" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-05 22:21:27,011 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2020-10-05 22:21:27,011 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2020-10-05 22:21:27,012 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2020-10-05 22:21:27,012 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2020-10-05 22:21:27,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-05 22:21:27,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-05 22:21:27,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-05 22:21:27,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-05 22:21:27,014 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-05 22:21:27,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-05 22:21:27,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-05 22:21:27,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-05 22:21:27,020 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-05 22:21:27,560 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-05 22:21:27,560 INFO L298 CfgBuilder]: Removed 26 assume(true) statements. [2020-10-05 22:21:27,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.10 10:21:27 BoogieIcfgContainer [2020-10-05 22:21:27,563 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-05 22:21:27,564 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-05 22:21:27,565 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-05 22:21:27,568 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-05 22:21:27,569 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.10 10:21:25" (1/3) ... [2020-10-05 22:21:27,570 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c9afcc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.10 10:21:27, skipping insertion in model container [2020-10-05 22:21:27,571 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:21:26" (2/3) ... [2020-10-05 22:21:27,571 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c9afcc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.10 10:21:27, skipping insertion in model container [2020-10-05 22:21:27,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.10 10:21:27" (3/3) ... [2020-10-05 22:21:27,574 INFO L109 eAbstractionObserver]: Analyzing ICFG stack-2.i [2020-10-05 22:21:27,587 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-05 22:21:27,587 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-05 22:21:27,597 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-05 22:21:27,598 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-05 22:21:27,639 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,639 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,640 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,640 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,641 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,641 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,641 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,642 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,642 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,642 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,642 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,643 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,643 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,643 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,643 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,644 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,644 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,644 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,645 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,645 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,645 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,645 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,646 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,646 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,646 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,646 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,646 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,647 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,647 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,647 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,648 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,648 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,680 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,680 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,681 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,681 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,681 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,682 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,682 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,682 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,682 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,683 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,683 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,683 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,683 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,684 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,684 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,684 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,684 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,685 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,685 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,685 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,685 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,685 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,686 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,686 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,686 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,686 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,687 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,687 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,687 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,687 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,688 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,688 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,688 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,688 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,688 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,689 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,690 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,690 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,690 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,690 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,691 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,691 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,691 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,691 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,692 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,692 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,692 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,692 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,693 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,693 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,693 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,693 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,694 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,694 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,694 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,694 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,695 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,695 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,695 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,695 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,695 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,696 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,696 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,696 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,696 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,696 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,697 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,697 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,697 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,697 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,697 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,698 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,698 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,698 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,698 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,699 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,699 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,699 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,699 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,700 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,700 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,700 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,700 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,700 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,701 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,701 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,701 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,702 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,702 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,702 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,702 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,703 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,703 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,703 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,703 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,704 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,704 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,704 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,704 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,704 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,705 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,709 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,709 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,709 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,709 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,710 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,710 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,710 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,710 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,711 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,711 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,711 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,711 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,712 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,712 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,712 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,712 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,712 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,713 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,713 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,713 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,713 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,713 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,714 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,722 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,723 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,723 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,723 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,724 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,724 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,724 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,724 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,725 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,725 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,725 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,725 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,725 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,726 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,726 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,726 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,726 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,726 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,727 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:27,753 INFO L251 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-05 22:21:27,776 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-05 22:21:27,776 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-05 22:21:27,777 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-05 22:21:27,777 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-05 22:21:27,777 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-05 22:21:27,777 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-05 22:21:27,777 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-05 22:21:27,777 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-05 22:21:27,797 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 144 places, 149 transitions, 320 flow [2020-10-05 22:21:27,800 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 144 places, 149 transitions, 320 flow [2020-10-05 22:21:27,871 INFO L129 PetriNetUnfolder]: 11/149 cut-off events. [2020-10-05 22:21:27,871 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-05 22:21:27,882 INFO L80 FinitePrefix]: Finished finitePrefix Result has 160 conditions, 149 events. 11/149 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 386 event pairs, 0 based on Foata normal form. 0/137 useless extension candidates. Maximal degree in co-relation 113. Up to 3 conditions per place. [2020-10-05 22:21:27,890 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 144 places, 149 transitions, 320 flow [2020-10-05 22:21:27,931 INFO L129 PetriNetUnfolder]: 11/149 cut-off events. [2020-10-05 22:21:27,931 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-05 22:21:27,934 INFO L80 FinitePrefix]: Finished finitePrefix Result has 160 conditions, 149 events. 11/149 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 386 event pairs, 0 based on Foata normal form. 0/137 useless extension candidates. Maximal degree in co-relation 113. Up to 3 conditions per place. [2020-10-05 22:21:27,946 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 6532 [2020-10-05 22:21:27,948 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-10-05 22:21:30,549 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2020-10-05 22:21:31,857 WARN L193 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 121 [2020-10-05 22:21:32,090 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-05 22:21:32,106 INFO L206 etLargeBlockEncoding]: Checked pairs total: 8522 [2020-10-05 22:21:32,107 INFO L214 etLargeBlockEncoding]: Total number of compositions: 130 [2020-10-05 22:21:32,111 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 40 places, 41 transitions, 104 flow [2020-10-05 22:21:32,141 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 335 states. [2020-10-05 22:21:32,144 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states. [2020-10-05 22:21:32,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-05 22:21:32,151 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 22:21:32,152 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-10-05 22:21:32,153 INFO L427 AbstractCegarLoop]: === Iteration 1 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 22:21:32,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 22:21:32,159 INFO L82 PathProgramCache]: Analyzing trace with hash 913680502, now seen corresponding path program 1 times [2020-10-05 22:21:32,167 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 22:21:32,167 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284318112] [2020-10-05 22:21:32,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 22:21:32,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 22:21:32,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 22:21:32,409 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284318112] [2020-10-05 22:21:32,410 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 22:21:32,411 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-05 22:21:32,412 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093697872] [2020-10-05 22:21:32,418 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-05 22:21:32,418 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 22:21:32,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-05 22:21:32,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 22:21:32,440 INFO L87 Difference]: Start difference. First operand 335 states. Second operand 3 states. [2020-10-05 22:21:32,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 22:21:32,530 INFO L93 Difference]: Finished difference Result 602 states and 1541 transitions. [2020-10-05 22:21:32,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-05 22:21:32,533 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2020-10-05 22:21:32,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 22:21:32,561 INFO L225 Difference]: With dead ends: 602 [2020-10-05 22:21:32,561 INFO L226 Difference]: Without dead ends: 580 [2020-10-05 22:21:32,562 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 22:21:32,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2020-10-05 22:21:32,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 427. [2020-10-05 22:21:32,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 427 states. [2020-10-05 22:21:32,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 1148 transitions. [2020-10-05 22:21:32,691 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 1148 transitions. Word has length 6 [2020-10-05 22:21:32,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 22:21:32,692 INFO L479 AbstractCegarLoop]: Abstraction has 427 states and 1148 transitions. [2020-10-05 22:21:32,692 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-05 22:21:32,692 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 1148 transitions. [2020-10-05 22:21:32,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-05 22:21:32,693 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 22:21:32,693 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 22:21:32,694 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-05 22:21:32,694 INFO L427 AbstractCegarLoop]: === Iteration 2 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 22:21:32,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 22:21:32,695 INFO L82 PathProgramCache]: Analyzing trace with hash -58751093, now seen corresponding path program 1 times [2020-10-05 22:21:32,695 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 22:21:32,695 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110129296] [2020-10-05 22:21:32,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 22:21:32,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 22:21:32,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 22:21:32,776 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110129296] [2020-10-05 22:21:32,777 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 22:21:32,777 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-05 22:21:32,777 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5996826] [2020-10-05 22:21:32,779 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-05 22:21:32,779 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 22:21:32,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-05 22:21:32,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 22:21:32,780 INFO L87 Difference]: Start difference. First operand 427 states and 1148 transitions. Second operand 3 states. [2020-10-05 22:21:32,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 22:21:32,831 INFO L93 Difference]: Finished difference Result 530 states and 1370 transitions. [2020-10-05 22:21:32,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-05 22:21:32,831 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-10-05 22:21:32,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 22:21:32,839 INFO L225 Difference]: With dead ends: 530 [2020-10-05 22:21:32,840 INFO L226 Difference]: Without dead ends: 508 [2020-10-05 22:21:32,840 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 22:21:32,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 508 states. [2020-10-05 22:21:32,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 508 to 468. [2020-10-05 22:21:32,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 468 states. [2020-10-05 22:21:32,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 1250 transitions. [2020-10-05 22:21:32,878 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 1250 transitions. Word has length 8 [2020-10-05 22:21:32,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 22:21:32,880 INFO L479 AbstractCegarLoop]: Abstraction has 468 states and 1250 transitions. [2020-10-05 22:21:32,880 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-05 22:21:32,880 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 1250 transitions. [2020-10-05 22:21:32,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-05 22:21:32,881 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 22:21:32,882 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 22:21:32,882 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-05 22:21:32,882 INFO L427 AbstractCegarLoop]: === Iteration 3 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 22:21:32,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 22:21:32,883 INFO L82 PathProgramCache]: Analyzing trace with hash 937555321, now seen corresponding path program 1 times [2020-10-05 22:21:32,883 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 22:21:32,884 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168153508] [2020-10-05 22:21:32,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 22:21:32,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 22:21:32,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 22:21:32,976 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168153508] [2020-10-05 22:21:32,977 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 22:21:32,977 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-05 22:21:32,979 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035685761] [2020-10-05 22:21:32,979 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-05 22:21:32,980 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 22:21:32,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-05 22:21:32,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 22:21:32,980 INFO L87 Difference]: Start difference. First operand 468 states and 1250 transitions. Second operand 3 states. [2020-10-05 22:21:32,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 22:21:32,995 INFO L93 Difference]: Finished difference Result 504 states and 1343 transitions. [2020-10-05 22:21:32,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-05 22:21:32,996 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-10-05 22:21:32,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 22:21:33,000 INFO L225 Difference]: With dead ends: 504 [2020-10-05 22:21:33,001 INFO L226 Difference]: Without dead ends: 504 [2020-10-05 22:21:33,001 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 22:21:33,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 504 states. [2020-10-05 22:21:33,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 504 to 504. [2020-10-05 22:21:33,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 504 states. [2020-10-05 22:21:33,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 504 states and 1343 transitions. [2020-10-05 22:21:33,023 INFO L78 Accepts]: Start accepts. Automaton has 504 states and 1343 transitions. Word has length 10 [2020-10-05 22:21:33,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 22:21:33,024 INFO L479 AbstractCegarLoop]: Abstraction has 504 states and 1343 transitions. [2020-10-05 22:21:33,024 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-05 22:21:33,024 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 1343 transitions. [2020-10-05 22:21:33,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-05 22:21:33,026 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 22:21:33,026 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 22:21:33,026 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-05 22:21:33,027 INFO L427 AbstractCegarLoop]: === Iteration 4 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 22:21:33,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 22:21:33,027 INFO L82 PathProgramCache]: Analyzing trace with hash -493457114, now seen corresponding path program 1 times [2020-10-05 22:21:33,027 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 22:21:33,028 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786842882] [2020-10-05 22:21:33,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 22:21:33,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 22:21:33,164 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 22:21:33,166 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786842882] [2020-10-05 22:21:33,166 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [632184324] [2020-10-05 22:21:33,167 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 [2020-10-05 22:21:33,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 22:21:33,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-05 22:21:33,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-05 22:21:33,342 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 22:21:33,343 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-05 22:21:33,343 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2020-10-05 22:21:33,344 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552886456] [2020-10-05 22:21:33,344 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-05 22:21:33,345 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 22:21:33,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-05 22:21:33,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-05 22:21:33,345 INFO L87 Difference]: Start difference. First operand 504 states and 1343 transitions. Second operand 7 states. [2020-10-05 22:21:33,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 22:21:33,468 INFO L93 Difference]: Finished difference Result 940 states and 2424 transitions. [2020-10-05 22:21:33,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-05 22:21:33,469 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 14 [2020-10-05 22:21:33,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 22:21:33,476 INFO L225 Difference]: With dead ends: 940 [2020-10-05 22:21:33,477 INFO L226 Difference]: Without dead ends: 940 [2020-10-05 22:21:33,477 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-05 22:21:33,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 940 states. [2020-10-05 22:21:33,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 940 to 688. [2020-10-05 22:21:33,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 688 states. [2020-10-05 22:21:33,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 688 states and 1842 transitions. [2020-10-05 22:21:33,508 INFO L78 Accepts]: Start accepts. Automaton has 688 states and 1842 transitions. Word has length 14 [2020-10-05 22:21:33,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 22:21:33,508 INFO L479 AbstractCegarLoop]: Abstraction has 688 states and 1842 transitions. [2020-10-05 22:21:33,509 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-05 22:21:33,509 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 1842 transitions. [2020-10-05 22:21:33,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-05 22:21:33,511 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 22:21:33,511 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 22:21:33,725 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-05 22:21:33,726 INFO L427 AbstractCegarLoop]: === Iteration 5 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 22:21:33,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 22:21:33,727 INFO L82 PathProgramCache]: Analyzing trace with hash 875268143, now seen corresponding path program 1 times [2020-10-05 22:21:33,727 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 22:21:33,728 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859149116] [2020-10-05 22:21:33,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 22:21:33,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 22:21:33,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 22:21:33,784 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859149116] [2020-10-05 22:21:33,784 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 22:21:33,784 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-05 22:21:33,785 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471214310] [2020-10-05 22:21:33,785 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-05 22:21:33,785 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 22:21:33,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-05 22:21:33,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-05 22:21:33,786 INFO L87 Difference]: Start difference. First operand 688 states and 1842 transitions. Second operand 4 states. [2020-10-05 22:21:33,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 22:21:33,819 INFO L93 Difference]: Finished difference Result 343 states and 775 transitions. [2020-10-05 22:21:33,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-05 22:21:33,820 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2020-10-05 22:21:33,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 22:21:33,822 INFO L225 Difference]: With dead ends: 343 [2020-10-05 22:21:33,822 INFO L226 Difference]: Without dead ends: 339 [2020-10-05 22:21:33,823 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-05 22:21:33,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2020-10-05 22:21:33,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 313. [2020-10-05 22:21:33,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 313 states. [2020-10-05 22:21:33,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 700 transitions. [2020-10-05 22:21:33,834 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 700 transitions. Word has length 16 [2020-10-05 22:21:33,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 22:21:33,834 INFO L479 AbstractCegarLoop]: Abstraction has 313 states and 700 transitions. [2020-10-05 22:21:33,834 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-05 22:21:33,834 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 700 transitions. [2020-10-05 22:21:33,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-05 22:21:33,836 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 22:21:33,836 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 22:21:33,836 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-05 22:21:33,836 INFO L427 AbstractCegarLoop]: === Iteration 6 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 22:21:33,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 22:21:33,837 INFO L82 PathProgramCache]: Analyzing trace with hash -623007831, now seen corresponding path program 1 times [2020-10-05 22:21:33,837 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 22:21:33,837 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136423657] [2020-10-05 22:21:33,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 22:21:33,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 22:21:33,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 22:21:33,915 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136423657] [2020-10-05 22:21:33,915 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 22:21:33,916 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-05 22:21:33,916 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406874106] [2020-10-05 22:21:33,916 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-05 22:21:33,917 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 22:21:33,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-05 22:21:33,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-05 22:21:33,917 INFO L87 Difference]: Start difference. First operand 313 states and 700 transitions. Second operand 5 states. [2020-10-05 22:21:33,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 22:21:33,991 INFO L93 Difference]: Finished difference Result 473 states and 1056 transitions. [2020-10-05 22:21:33,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-05 22:21:33,991 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-10-05 22:21:33,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 22:21:33,995 INFO L225 Difference]: With dead ends: 473 [2020-10-05 22:21:33,995 INFO L226 Difference]: Without dead ends: 473 [2020-10-05 22:21:33,996 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-05 22:21:33,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2020-10-05 22:21:34,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 351. [2020-10-05 22:21:34,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 351 states. [2020-10-05 22:21:34,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 791 transitions. [2020-10-05 22:21:34,009 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 791 transitions. Word has length 17 [2020-10-05 22:21:34,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 22:21:34,010 INFO L479 AbstractCegarLoop]: Abstraction has 351 states and 791 transitions. [2020-10-05 22:21:34,010 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-05 22:21:34,010 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 791 transitions. [2020-10-05 22:21:34,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-05 22:21:34,011 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 22:21:34,011 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 22:21:34,011 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-05 22:21:34,012 INFO L427 AbstractCegarLoop]: === Iteration 7 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 22:21:34,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 22:21:34,012 INFO L82 PathProgramCache]: Analyzing trace with hash 1134249582, now seen corresponding path program 1 times [2020-10-05 22:21:34,012 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 22:21:34,013 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234960094] [2020-10-05 22:21:34,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 22:21:34,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 22:21:34,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 22:21:34,523 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234960094] [2020-10-05 22:21:34,523 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 22:21:34,523 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-05 22:21:34,523 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823891544] [2020-10-05 22:21:34,524 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-05 22:21:34,524 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 22:21:34,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-05 22:21:34,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2020-10-05 22:21:34,525 INFO L87 Difference]: Start difference. First operand 351 states and 791 transitions. Second operand 14 states. [2020-10-05 22:21:35,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 22:21:35,875 INFO L93 Difference]: Finished difference Result 743 states and 1627 transitions. [2020-10-05 22:21:35,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-05 22:21:35,876 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 21 [2020-10-05 22:21:35,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 22:21:35,882 INFO L225 Difference]: With dead ends: 743 [2020-10-05 22:21:35,882 INFO L226 Difference]: Without dead ends: 743 [2020-10-05 22:21:35,883 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=136, Invalid=566, Unknown=0, NotChecked=0, Total=702 [2020-10-05 22:21:35,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 743 states. [2020-10-05 22:21:35,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 743 to 436. [2020-10-05 22:21:35,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 436 states. [2020-10-05 22:21:35,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 990 transitions. [2020-10-05 22:21:35,900 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 990 transitions. Word has length 21 [2020-10-05 22:21:35,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 22:21:35,901 INFO L479 AbstractCegarLoop]: Abstraction has 436 states and 990 transitions. [2020-10-05 22:21:35,901 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-05 22:21:35,901 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 990 transitions. [2020-10-05 22:21:35,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-05 22:21:35,902 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 22:21:35,902 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2020-10-05 22:21:35,903 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-05 22:21:35,903 INFO L427 AbstractCegarLoop]: === Iteration 8 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 22:21:35,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 22:21:35,903 INFO L82 PathProgramCache]: Analyzing trace with hash -730101290, now seen corresponding path program 2 times [2020-10-05 22:21:35,904 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 22:21:35,904 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305286398] [2020-10-05 22:21:35,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 22:21:35,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 22:21:35,972 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 22:21:35,973 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305286398] [2020-10-05 22:21:35,973 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [998030893] [2020-10-05 22:21:35,974 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 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 [2020-10-05 22:21:36,057 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-10-05 22:21:36,058 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-05 22:21:36,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-05 22:21:36,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-05 22:21:36,099 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 22:21:36,100 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-05 22:21:36,100 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2020-10-05 22:21:36,100 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722953771] [2020-10-05 22:21:36,101 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-05 22:21:36,101 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 22:21:36,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-05 22:21:36,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-10-05 22:21:36,102 INFO L87 Difference]: Start difference. First operand 436 states and 990 transitions. Second operand 9 states. [2020-10-05 22:21:36,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 22:21:36,205 INFO L93 Difference]: Finished difference Result 789 states and 1756 transitions. [2020-10-05 22:21:36,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-05 22:21:36,206 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2020-10-05 22:21:36,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 22:21:36,211 INFO L225 Difference]: With dead ends: 789 [2020-10-05 22:21:36,211 INFO L226 Difference]: Without dead ends: 789 [2020-10-05 22:21:36,212 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-10-05 22:21:36,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 789 states. [2020-10-05 22:21:36,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 789 to 548. [2020-10-05 22:21:36,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 548 states. [2020-10-05 22:21:36,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 548 states and 1256 transitions. [2020-10-05 22:21:36,231 INFO L78 Accepts]: Start accepts. Automaton has 548 states and 1256 transitions. Word has length 22 [2020-10-05 22:21:36,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 22:21:36,232 INFO L479 AbstractCegarLoop]: Abstraction has 548 states and 1256 transitions. [2020-10-05 22:21:36,232 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-05 22:21:36,232 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 1256 transitions. [2020-10-05 22:21:36,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-05 22:21:36,233 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 22:21:36,233 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 22:21:36,446 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-05 22:21:36,447 INFO L427 AbstractCegarLoop]: === Iteration 9 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 22:21:36,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 22:21:36,448 INFO L82 PathProgramCache]: Analyzing trace with hash 1923020665, now seen corresponding path program 1 times [2020-10-05 22:21:36,448 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 22:21:36,449 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57975176] [2020-10-05 22:21:36,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 22:21:36,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-05 22:21:36,496 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-05 22:21:36,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-05 22:21:36,570 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-05 22:21:36,601 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-05 22:21:36,601 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-05 22:21:36,602 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-05 22:21:36,602 WARN L633 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-05 22:21:36,603 WARN L633 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-05 22:21:36,611 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [572] [572] L4-->L978-1: Formula: (and (let ((.cse0 (mod t1Thread1of1ForFork0_~tmp~0_In920708605 4294967296))) (let ((.cse1 (<= .cse0 2147483647))) (or (and (= (+ .cse0 (- 4294967296)) |t1Thread1of1ForFork0_push_#in~x_Out920708605|) (not .cse1)) (and (= |t1Thread1of1ForFork0_push_#in~x_Out920708605| .cse0) .cse1)))) (= |~#arr~0.offset_In920708605| |t1Thread1of1ForFork0_push_#in~stack.offset_Out920708605|) (= |t1Thread1of1ForFork0_push_#in~stack.base_Out920708605| |~#arr~0.base_In920708605|) (not (= t1Thread1of1ForFork0_assume_abort_if_not_~cond_In920708605 0))) InVars {~#arr~0.offset=|~#arr~0.offset_In920708605|, t1Thread1of1ForFork0_assume_abort_if_not_~cond=t1Thread1of1ForFork0_assume_abort_if_not_~cond_In920708605, t1Thread1of1ForFork0_~tmp~0=t1Thread1of1ForFork0_~tmp~0_In920708605, ~#arr~0.base=|~#arr~0.base_In920708605|} OutVars{t1Thread1of1ForFork0_push_#in~x=|t1Thread1of1ForFork0_push_#in~x_Out920708605|, ~#arr~0.offset=|~#arr~0.offset_In920708605|, t1Thread1of1ForFork0_assume_abort_if_not_~cond=t1Thread1of1ForFork0_assume_abort_if_not_~cond_In920708605, t1Thread1of1ForFork0_push_#in~stack.base=|t1Thread1of1ForFork0_push_#in~stack.base_Out920708605|, t1Thread1of1ForFork0_~tmp~0=t1Thread1of1ForFork0_~tmp~0_In920708605, t1Thread1of1ForFork0_push_#res=|t1Thread1of1ForFork0_push_#res_Out920708605|, t1Thread1of1ForFork0_push_#in~stack.offset=|t1Thread1of1ForFork0_push_#in~stack.offset_Out920708605|, ~#arr~0.base=|~#arr~0.base_In920708605|} AuxVars[] AssignedVars[t1Thread1of1ForFork0_push_#in~x, t1Thread1of1ForFork0_push_#in~stack.base, t1Thread1of1ForFork0_push_#res, t1Thread1of1ForFork0_push_#in~stack.offset] because there is no mapped edge [2020-10-05 22:21:36,619 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [582] [582] L993-3-->L988-6: Formula: (and (<= |t2Thread1of1ForFork1_#t~ret47_In659316078| 2147483647) (<= 0 (+ |t2Thread1of1ForFork1_#t~ret47_In659316078| 2147483648)) (= |#pthreadsMutex_Out659316078| (store |#pthreadsMutex_In659316078| |~#m~0.base_In659316078| (store (select |#pthreadsMutex_In659316078| |~#m~0.base_In659316078|) |~#m~0.offset_In659316078| 0))) (not (= |t2Thread1of1ForFork1_#t~ret47_In659316078| (- 2))) (= (+ t2Thread1of1ForFork1_~i~1_Out659316078 (- 1)) t2Thread1of1ForFork1_~i~1_In659316078)) InVars {#pthreadsMutex=|#pthreadsMutex_In659316078|, ~#m~0.base=|~#m~0.base_In659316078|, t2Thread1of1ForFork1_#t~ret47=|t2Thread1of1ForFork1_#t~ret47_In659316078|, ~#m~0.offset=|~#m~0.offset_In659316078|, t2Thread1of1ForFork1_~i~1=t2Thread1of1ForFork1_~i~1_In659316078} OutVars{#pthreadsMutex=|#pthreadsMutex_Out659316078|, t2Thread1of1ForFork1_#t~ret47=|t2Thread1of1ForFork1_#t~ret47_Out659316078|, ~#m~0.base=|~#m~0.base_In659316078|, ~#m~0.offset=|~#m~0.offset_In659316078|, t2Thread1of1ForFork1_#t~post45=|t2Thread1of1ForFork1_#t~post45_Out659316078|, t2Thread1of1ForFork1_~i~1=t2Thread1of1ForFork1_~i~1_Out659316078} AuxVars[] AssignedVars[#pthreadsMutex, t2Thread1of1ForFork1_#t~ret47, t2Thread1of1ForFork1_#t~post45, t2Thread1of1ForFork1_~i~1] because there is no mapped edge [2020-10-05 22:21:36,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.10 10:21:36 BasicIcfg [2020-10-05 22:21:36,689 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-05 22:21:36,692 INFO L168 Benchmark]: Toolchain (without parser) took 10819.82 ms. Allocated memory was 137.9 MB in the beginning and 336.1 MB in the end (delta: 198.2 MB). Free memory was 99.2 MB in the beginning and 288.9 MB in the end (delta: -189.7 MB). Peak memory consumption was 215.6 MB. Max. memory is 7.1 GB. [2020-10-05 22:21:36,693 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 137.9 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-10-05 22:21:36,694 INFO L168 Benchmark]: CACSL2BoogieTranslator took 902.22 ms. Allocated memory was 137.9 MB in the beginning and 200.8 MB in the end (delta: 62.9 MB). Free memory was 98.8 MB in the beginning and 131.7 MB in the end (delta: -32.9 MB). Peak memory consumption was 35.2 MB. Max. memory is 7.1 GB. [2020-10-05 22:21:36,700 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.29 ms. Allocated memory is still 200.8 MB. Free memory was 131.7 MB in the beginning and 128.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2020-10-05 22:21:36,702 INFO L168 Benchmark]: Boogie Preprocessor took 51.16 ms. Allocated memory is still 200.8 MB. Free memory was 128.9 MB in the beginning and 126.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2020-10-05 22:21:36,703 INFO L168 Benchmark]: RCFGBuilder took 655.48 ms. Allocated memory is still 200.8 MB. Free memory was 126.8 MB in the beginning and 93.3 MB in the end (delta: 33.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 7.1 GB. [2020-10-05 22:21:36,708 INFO L168 Benchmark]: TraceAbstraction took 9124.47 ms. Allocated memory was 200.8 MB in the beginning and 336.1 MB in the end (delta: 135.3 MB). Free memory was 92.6 MB in the beginning and 288.9 MB in the end (delta: -196.3 MB). Peak memory consumption was 146.0 MB. Max. memory is 7.1 GB. [2020-10-05 22:21:36,717 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 137.9 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 902.22 ms. Allocated memory was 137.9 MB in the beginning and 200.8 MB in the end (delta: 62.9 MB). Free memory was 98.8 MB in the beginning and 131.7 MB in the end (delta: -32.9 MB). Peak memory consumption was 35.2 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 80.29 ms. Allocated memory is still 200.8 MB. Free memory was 131.7 MB in the beginning and 128.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 51.16 ms. Allocated memory is still 200.8 MB. Free memory was 128.9 MB in the beginning and 126.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 655.48 ms. Allocated memory is still 200.8 MB. Free memory was 126.8 MB in the beginning and 93.3 MB in the end (delta: 33.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 9124.47 ms. Allocated memory was 200.8 MB in the beginning and 336.1 MB in the end (delta: 135.3 MB). Free memory was 92.6 MB in the beginning and 288.9 MB in the end (delta: -196.3 MB). Peak memory consumption was 146.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 4.3s, 144 ProgramPointsBefore, 40 ProgramPointsAfterwards, 149 TransitionsBefore, 41 TransitionsAfterwards, 6532 CoEnabledTransitionPairs, 8 FixpointIterations, 30 TrivialSequentialCompositions, 78 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 22 ConcurrentYvCompositions, 4 ChoiceCompositions, 3601 VarBasedMoverChecksPositive, 65 VarBasedMoverChecksNegative, 30 SemBasedMoverChecksPositive, 56 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.5s, 0 MoverChecksTotal, 8522 CheckedPairsTotal, 130 TotalNumberOfCompositions - CounterExampleResult [Line: 922]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L916] 0 static int top=0; [L917] 0 static unsigned int arr[(5)]; [L918] 0 pthread_mutex_t m; [L919] 0 _Bool flag=(0); [L1002] 0 pthread_t id1, id2; [L1004] FCALL, FORK 0 pthread_create(&id1, ((void *)0), t1, ((void *)0)) VAL [arr={6:0}, flag=0, m={3:0}, top=0] [L971] 1 int i; [L972] 1 unsigned int tmp; [L973] 1 i=0 VAL [arr={6:0}, flag=0, m={3:0}, top=0] [L1005] FCALL, FORK 0 pthread_create(&id2, ((void *)0), t2, ((void *)0)) VAL [arr={6:0}, flag=0, m={3:0}, top=0] [L987] 2 int i; [L988] 2 i=0 VAL [arr={6:0}, flag=0, m={3:0}, top=0] [L973] COND TRUE 1 i<(5) [L976] 1 tmp = __VERIFIER_nondet_uint() [L943] COND FALSE 1 !(top==(5)) [L935] 1 return top; [L950] 1 stack[get_top()] = x VAL [arr={6:0}, flag=0, m={3:0}, top=0] [L927] 1 top++ [L953] 1 return 0; [L978] COND FALSE 1 !(push(arr,tmp)==(-1)) [L980] 1 flag=(1) VAL [arr={6:0}, flag=1, m={3:0}, top=1] [L973] 1 i++ VAL [arr={6:0}, flag=1, m={3:0}, top=1] [L988] COND TRUE 2 i<(5) [L991] COND TRUE 2 \read(flag) [L935] 2 return top; VAL [arr={6:0}, flag=1, m={3:0}, top=1] [L957] COND FALSE 2 !(get_top()==0) [L931] 2 top-- VAL [arr={6:0}, flag=1, m={3:0}, top=0] [L935] 2 return top; [L965] EXPR 2 stack[get_top()] [L965] 2 return stack[get_top()]; [L988] COND TRUE 2 i<(5) [L991] COND TRUE 2 \read(flag) [L935] 2 return top; [L957] COND TRUE 2 get_top()==0 [L960] 2 return (-2); [L993] COND TRUE 2 !(pop(arr)!=(-2)) [L922] 2 __VERIFIER_error() VAL [arr={6:0}, flag=1, m={3:0}, top=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 138 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 8.8s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.3s, HoareTripleCheckerStatistics: 397 SDtfs, 553 SDslu, 1050 SDs, 0 SdLazy, 755 SolverSat, 55 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 87 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=688occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 1141 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 174 NumberOfCodeBlocks, 174 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 140 ConstructedInterpolants, 0 QuantifiedInterpolants, 12006 SizeOfPredicates, 5 NumberOfNonLiveVariables, 347 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 10 InterpolantComputations, 6 PerfectInterpolantSequences, 6/34 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...