/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_longer-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c7e336b [2020-10-05 22:21:24,632 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-05 22:21:24,635 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-05 22:21:24,676 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-05 22:21:24,676 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-05 22:21:24,685 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-05 22:21:24,688 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-05 22:21:24,692 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-05 22:21:24,694 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-05 22:21:24,698 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-05 22:21:24,699 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-05 22:21:24,700 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-05 22:21:24,700 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-05 22:21:24,704 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-05 22:21:24,707 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-05 22:21:24,709 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-05 22:21:24,711 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-05 22:21:24,712 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-05 22:21:24,713 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-05 22:21:24,722 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-05 22:21:24,724 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-05 22:21:24,725 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-05 22:21:24,726 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-05 22:21:24,727 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-05 22:21:24,740 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-05 22:21:24,748 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-05 22:21:24,749 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-05 22:21:24,750 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-05 22:21:24,750 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-05 22:21:24,751 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-05 22:21:24,752 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-05 22:21:24,752 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-05 22:21:24,753 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-05 22:21:24,753 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-05 22:21:24,754 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-05 22:21:24,754 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-05 22:21:24,755 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 22:21:24,777 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-05 22:21:24,777 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-05 22:21:24,779 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-05 22:21:24,779 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-05 22:21:24,779 INFO L138 SettingsManager]: * Use SBE=true [2020-10-05 22:21:24,779 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-05 22:21:24,780 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-05 22:21:24,780 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-05 22:21:24,780 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-05 22:21:24,780 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-05 22:21:24,780 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-05 22:21:24,780 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-05 22:21:24,781 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-05 22:21:24,781 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-05 22:21:24,781 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-05 22:21:24,781 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-05 22:21:24,781 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-05 22:21:24,782 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-05 22:21:24,782 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-05 22:21:24,782 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-05 22:21:24,782 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-05 22:21:24,783 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-05 22:21:24,783 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-05 22:21:24,783 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-05 22:21:24,783 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-05 22:21:24,783 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-05 22:21:24,784 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-05 22:21:24,784 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-05 22:21:24,784 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-05 22:21:24,784 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-05 22:21:25,105 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-05 22:21:25,119 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-05 22:21:25,123 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-05 22:21:25,125 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-05 22:21:25,125 INFO L275 PluginConnector]: CDTParser initialized [2020-10-05 22:21:25,126 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stack_longer-1.i [2020-10-05 22:21:25,198 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f25dc9899/2aa30fe6d45243f0875aab0572b4d975/FLAGc3a98b3b5 [2020-10-05 22:21:25,781 INFO L306 CDTParser]: Found 1 translation units. [2020-10-05 22:21:25,782 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack_longer-1.i [2020-10-05 22:21:25,809 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f25dc9899/2aa30fe6d45243f0875aab0572b4d975/FLAGc3a98b3b5 [2020-10-05 22:21:26,038 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f25dc9899/2aa30fe6d45243f0875aab0572b4d975 [2020-10-05 22:21:26,047 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-05 22:21:26,049 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-05 22:21:26,051 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-05 22:21:26,052 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-05 22:21:26,055 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-05 22:21:26,056 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.10 10:21:26" (1/1) ... [2020-10-05 22:21:26,061 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73fa42a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:21:26, skipping insertion in model container [2020-10-05 22:21:26,061 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.10 10:21:26" (1/1) ... [2020-10-05 22:21:26,071 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-05 22:21:26,138 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-05 22:21:26,915 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-05 22:21:26,938 INFO L203 MainTranslator]: Completed pre-run [2020-10-05 22:21:27,031 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-05 22:21:27,182 INFO L208 MainTranslator]: Completed translation [2020-10-05 22:21:27,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:21:27 WrapperNode [2020-10-05 22:21:27,183 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-05 22:21:27,185 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-05 22:21:27,185 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-05 22:21:27,185 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-05 22:21:27,196 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:21:27" (1/1) ... [2020-10-05 22:21:27,220 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:21:27" (1/1) ... [2020-10-05 22:21:27,255 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-05 22:21:27,256 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-05 22:21:27,256 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-05 22:21:27,256 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-05 22:21:27,269 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:21:27" (1/1) ... [2020-10-05 22:21:27,269 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:21:27" (1/1) ... [2020-10-05 22:21:27,274 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:21:27" (1/1) ... [2020-10-05 22:21:27,275 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:21:27" (1/1) ... [2020-10-05 22:21:27,284 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:21:27" (1/1) ... [2020-10-05 22:21:27,291 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:21:27" (1/1) ... [2020-10-05 22:21:27,294 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:21:27" (1/1) ... [2020-10-05 22:21:27,302 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-05 22:21:27,304 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-05 22:21:27,305 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-05 22:21:27,305 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-05 22:21:27,306 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:21:27" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-05 22:21:27,391 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2020-10-05 22:21:27,391 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2020-10-05 22:21:27,391 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2020-10-05 22:21:27,392 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2020-10-05 22:21:27,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-05 22:21:27,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-05 22:21:27,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-05 22:21:27,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-05 22:21:27,393 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-05 22:21:27,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-05 22:21:27,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-05 22:21:27,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-05 22:21:27,397 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 22:21:28,009 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-05 22:21:28,010 INFO L298 CfgBuilder]: Removed 26 assume(true) statements. [2020-10-05 22:21:28,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.10 10:21:28 BoogieIcfgContainer [2020-10-05 22:21:28,014 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-05 22:21:28,018 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-05 22:21:28,019 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-05 22:21:28,023 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-05 22:21:28,024 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.10 10:21:26" (1/3) ... [2020-10-05 22:21:28,025 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c97856b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.10 10:21:28, skipping insertion in model container [2020-10-05 22:21:28,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:21:27" (2/3) ... [2020-10-05 22:21:28,027 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c97856b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.10 10:21:28, skipping insertion in model container [2020-10-05 22:21:28,027 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.10 10:21:28" (3/3) ... [2020-10-05 22:21:28,033 INFO L109 eAbstractionObserver]: Analyzing ICFG stack_longer-1.i [2020-10-05 22:21:28,046 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-05 22:21:28,047 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-05 22:21:28,059 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-05 22:21:28,060 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-05 22:21:28,116 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,117 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,117 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,117 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,117 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,118 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,118 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,118 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,118 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,119 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,119 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,119 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,120 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,120 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,120 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,120 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,121 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,121 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,121 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,121 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,122 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,122 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,122 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,122 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,123 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,123 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,123 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,123 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,124 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,124 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,124 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,124 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,125 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,125 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,125 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,125 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,125 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,126 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,126 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,126 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,127 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,127 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,127 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,127 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,128 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,128 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,128 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,128 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,129 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,129 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,129 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,130 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,130 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,130 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,130 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,131 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,131 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,131 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,132 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,132 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,132 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,132 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,133 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,133 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,133 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,133 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,134 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,134 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,135 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,136 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,136 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,136 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,136 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,137 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,137 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,137 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,137 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,151 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,152 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,152 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,152 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,153 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,153 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,153 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,153 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,154 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,154 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,154 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,154 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,154 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,154 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,155 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,155 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,155 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,155 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,155 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,156 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,156 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,156 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,157 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,157 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,157 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,157 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,158 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,158 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,158 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,158 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,158 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,159 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,159 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,159 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,159 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,159 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,160 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,160 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,160 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,160 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,161 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,161 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,161 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,161 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,162 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,162 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,162 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,162 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,162 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,163 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,163 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,163 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,163 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,163 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,164 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,164 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,168 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,168 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,169 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,169 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,169 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,169 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,169 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,170 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,170 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,170 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,170 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,170 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,171 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,171 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,171 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,171 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,171 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,172 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,172 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,172 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,172 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,172 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,173 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,181 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,181 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,182 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,182 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,182 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,182 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,182 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,183 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,183 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,183 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,183 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,183 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,184 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,184 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,184 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,184 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,184 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,184 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,185 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:28,214 INFO L251 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-05 22:21:28,237 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-05 22:21:28,237 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-05 22:21:28,237 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-05 22:21:28,237 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-05 22:21:28,237 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-05 22:21:28,237 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-05 22:21:28,237 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-05 22:21:28,238 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-05 22:21:28,258 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 140 places, 145 transitions, 312 flow [2020-10-05 22:21:28,260 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 140 places, 145 transitions, 312 flow [2020-10-05 22:21:28,344 INFO L129 PetriNetUnfolder]: 11/145 cut-off events. [2020-10-05 22:21:28,345 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-05 22:21:28,360 INFO L80 FinitePrefix]: Finished finitePrefix Result has 156 conditions, 145 events. 11/145 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 383 event pairs, 0 based on Foata normal form. 0/133 useless extension candidates. Maximal degree in co-relation 113. Up to 3 conditions per place. [2020-10-05 22:21:28,369 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 140 places, 145 transitions, 312 flow [2020-10-05 22:21:28,409 INFO L129 PetriNetUnfolder]: 11/145 cut-off events. [2020-10-05 22:21:28,410 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-05 22:21:28,412 INFO L80 FinitePrefix]: Finished finitePrefix Result has 156 conditions, 145 events. 11/145 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 383 event pairs, 0 based on Foata normal form. 0/133 useless extension candidates. Maximal degree in co-relation 113. Up to 3 conditions per place. [2020-10-05 22:21:28,417 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 6532 [2020-10-05 22:21:28,418 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-10-05 22:21:30,928 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-05 22:21:31,043 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-10-05 22:21:31,921 WARN L193 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 108 [2020-10-05 22:21:32,134 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-05 22:21:32,265 INFO L206 etLargeBlockEncoding]: Checked pairs total: 7839 [2020-10-05 22:21:32,266 INFO L214 etLargeBlockEncoding]: Total number of compositions: 129 [2020-10-05 22:21:32,270 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 40 places, 41 transitions, 104 flow [2020-10-05 22:21:32,309 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 335 states. [2020-10-05 22:21:32,311 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states. [2020-10-05 22:21:32,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-05 22:21:32,322 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 22:21:32,323 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-10-05 22:21:32,323 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 22:21:32,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 22:21:32,330 INFO L82 PathProgramCache]: Analyzing trace with hash 533120081, now seen corresponding path program 1 times [2020-10-05 22:21:32,341 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 22:21:32,341 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623009852] [2020-10-05 22:21:32,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 22:21:32,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 22:21:32,579 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 22:21:32,580 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623009852] [2020-10-05 22:21:32,581 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 22:21:32,581 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-05 22:21:32,581 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521726256] [2020-10-05 22:21:32,587 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-05 22:21:32,587 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 22:21:32,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-05 22:21:32,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 22:21:32,606 INFO L87 Difference]: Start difference. First operand 335 states. Second operand 3 states. [2020-10-05 22:21:32,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 22:21:32,696 INFO L93 Difference]: Finished difference Result 529 states and 1334 transitions. [2020-10-05 22:21:32,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-05 22:21:32,699 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2020-10-05 22:21:32,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 22:21:32,722 INFO L225 Difference]: With dead ends: 529 [2020-10-05 22:21:32,722 INFO L226 Difference]: Without dead ends: 507 [2020-10-05 22:21:32,723 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 22:21:32,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2020-10-05 22:21:32,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 467. [2020-10-05 22:21:32,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 467 states. [2020-10-05 22:21:32,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 1235 transitions. [2020-10-05 22:21:32,829 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 1235 transitions. Word has length 6 [2020-10-05 22:21:32,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 22:21:32,830 INFO L479 AbstractCegarLoop]: Abstraction has 467 states and 1235 transitions. [2020-10-05 22:21:32,830 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-05 22:21:32,830 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 1235 transitions. [2020-10-05 22:21:32,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-05 22:21:32,832 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 22:21:32,832 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 22:21:32,832 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-05 22:21:32,832 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 22:21:32,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 22:21:32,833 INFO L82 PathProgramCache]: Analyzing trace with hash -1246478015, now seen corresponding path program 1 times [2020-10-05 22:21:32,833 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 22:21:32,834 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032171756] [2020-10-05 22:21:32,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 22:21:32,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 22:21:32,932 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 22:21:32,933 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032171756] [2020-10-05 22:21:32,933 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 22:21:32,933 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-05 22:21:32,933 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962554290] [2020-10-05 22:21:32,938 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-05 22:21:32,938 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 22:21:32,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-05 22:21:32,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 22:21:32,941 INFO L87 Difference]: Start difference. First operand 467 states and 1235 transitions. Second operand 3 states. [2020-10-05 22:21:32,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 22:21:32,965 INFO L93 Difference]: Finished difference Result 574 states and 1482 transitions. [2020-10-05 22:21:32,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-05 22:21:32,966 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-10-05 22:21:32,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 22:21:32,971 INFO L225 Difference]: With dead ends: 574 [2020-10-05 22:21:32,972 INFO L226 Difference]: Without dead ends: 552 [2020-10-05 22:21:32,973 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 22:21:32,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 552 states. [2020-10-05 22:21:33,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 552 to 512. [2020-10-05 22:21:33,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 512 states. [2020-10-05 22:21:33,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 1362 transitions. [2020-10-05 22:21:33,007 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 1362 transitions. Word has length 8 [2020-10-05 22:21:33,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 22:21:33,008 INFO L479 AbstractCegarLoop]: Abstraction has 512 states and 1362 transitions. [2020-10-05 22:21:33,008 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-05 22:21:33,009 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 1362 transitions. [2020-10-05 22:21:33,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-05 22:21:33,010 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 22:21:33,010 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 22:21:33,010 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-05 22:21:33,011 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 22:21:33,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 22:21:33,011 INFO L82 PathProgramCache]: Analyzing trace with hash 1698025066, now seen corresponding path program 1 times [2020-10-05 22:21:33,011 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 22:21:33,012 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986511899] [2020-10-05 22:21:33,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 22:21:33,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 22:21:33,096 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 22:21:33,097 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986511899] [2020-10-05 22:21:33,097 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 22:21:33,097 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-05 22:21:33,097 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816206137] [2020-10-05 22:21:33,098 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-05 22:21:33,098 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 22:21:33,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-05 22:21:33,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 22:21:33,098 INFO L87 Difference]: Start difference. First operand 512 states and 1362 transitions. Second operand 3 states. [2020-10-05 22:21:33,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 22:21:33,120 INFO L93 Difference]: Finished difference Result 544 states and 1443 transitions. [2020-10-05 22:21:33,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-05 22:21:33,121 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-10-05 22:21:33,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 22:21:33,126 INFO L225 Difference]: With dead ends: 544 [2020-10-05 22:21:33,126 INFO L226 Difference]: Without dead ends: 544 [2020-10-05 22:21:33,127 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 22:21:33,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 544 states. [2020-10-05 22:21:33,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 544 to 544. [2020-10-05 22:21:33,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 544 states. [2020-10-05 22:21:33,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 1443 transitions. [2020-10-05 22:21:33,153 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 1443 transitions. Word has length 10 [2020-10-05 22:21:33,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 22:21:33,154 INFO L479 AbstractCegarLoop]: Abstraction has 544 states and 1443 transitions. [2020-10-05 22:21:33,154 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-05 22:21:33,154 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 1443 transitions. [2020-10-05 22:21:33,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-05 22:21:33,156 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 22:21:33,156 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 22:21:33,157 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-05 22:21:33,157 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 22:21:33,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 22:21:33,157 INFO L82 PathProgramCache]: Analyzing trace with hash 542095752, now seen corresponding path program 1 times [2020-10-05 22:21:33,158 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 22:21:33,158 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565962944] [2020-10-05 22:21:33,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 22:21:33,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 22:21:33,225 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 22:21:33,226 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565962944] [2020-10-05 22:21:33,226 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1557003238] [2020-10-05 22:21:33,226 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 22:21:33,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 22:21:33,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-05 22:21:33,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-05 22:21:33,379 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 22:21:33,380 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-05 22:21:33,380 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2020-10-05 22:21:33,380 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371808117] [2020-10-05 22:21:33,381 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-05 22:21:33,381 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 22:21:33,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-05 22:21:33,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-05 22:21:33,382 INFO L87 Difference]: Start difference. First operand 544 states and 1443 transitions. Second operand 7 states. [2020-10-05 22:21:33,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 22:21:33,500 INFO L93 Difference]: Finished difference Result 821 states and 2103 transitions. [2020-10-05 22:21:33,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-05 22:21:33,501 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 14 [2020-10-05 22:21:33,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 22:21:33,507 INFO L225 Difference]: With dead ends: 821 [2020-10-05 22:21:33,507 INFO L226 Difference]: Without dead ends: 821 [2020-10-05 22:21:33,508 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 22:21:33,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 821 states. [2020-10-05 22:21:33,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 821 to 668. [2020-10-05 22:21:33,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 668 states. [2020-10-05 22:21:33,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 668 states and 1762 transitions. [2020-10-05 22:21:33,534 INFO L78 Accepts]: Start accepts. Automaton has 668 states and 1762 transitions. Word has length 14 [2020-10-05 22:21:33,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 22:21:33,534 INFO L479 AbstractCegarLoop]: Abstraction has 668 states and 1762 transitions. [2020-10-05 22:21:33,534 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-05 22:21:33,535 INFO L276 IsEmpty]: Start isEmpty. Operand 668 states and 1762 transitions. [2020-10-05 22:21:33,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-05 22:21:33,537 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 22:21:33,537 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 22:21:33,750 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-05 22:21:33,751 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 22:21:33,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 22:21:33,751 INFO L82 PathProgramCache]: Analyzing trace with hash 1519339950, now seen corresponding path program 1 times [2020-10-05 22:21:33,751 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 22:21:33,752 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596243863] [2020-10-05 22:21:33,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 22:21:33,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 22:21:33,795 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 22:21:33,796 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596243863] [2020-10-05 22:21:33,796 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 22:21:33,796 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-05 22:21:33,796 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333732245] [2020-10-05 22:21:33,797 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-05 22:21:33,797 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 22:21:33,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-05 22:21:33,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 22:21:33,798 INFO L87 Difference]: Start difference. First operand 668 states and 1762 transitions. Second operand 3 states. [2020-10-05 22:21:33,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 22:21:33,822 INFO L93 Difference]: Finished difference Result 359 states and 809 transitions. [2020-10-05 22:21:33,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-05 22:21:33,823 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2020-10-05 22:21:33,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 22:21:33,825 INFO L225 Difference]: With dead ends: 359 [2020-10-05 22:21:33,826 INFO L226 Difference]: Without dead ends: 355 [2020-10-05 22:21:33,826 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 22:21:33,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2020-10-05 22:21:33,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 335. [2020-10-05 22:21:33,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 335 states. [2020-10-05 22:21:33,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 751 transitions. [2020-10-05 22:21:33,837 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 751 transitions. Word has length 16 [2020-10-05 22:21:33,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 22:21:33,838 INFO L479 AbstractCegarLoop]: Abstraction has 335 states and 751 transitions. [2020-10-05 22:21:33,838 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-05 22:21:33,838 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 751 transitions. [2020-10-05 22:21:33,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-05 22:21:33,840 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 22:21:33,840 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 22:21:33,840 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-05 22:21:33,840 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 22:21:33,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 22:21:33,841 INFO L82 PathProgramCache]: Analyzing trace with hash -70656202, now seen corresponding path program 1 times [2020-10-05 22:21:33,841 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 22:21:33,841 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339827369] [2020-10-05 22:21:33,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 22:21:33,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 22:21:33,903 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 22:21:33,904 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339827369] [2020-10-05 22:21:33,904 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 22:21:33,904 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-05 22:21:33,905 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137569015] [2020-10-05 22:21:33,905 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-05 22:21:33,905 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 22:21:33,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-05 22:21:33,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-05 22:21:33,906 INFO L87 Difference]: Start difference. First operand 335 states and 751 transitions. Second operand 5 states. [2020-10-05 22:21:33,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 22:21:33,969 INFO L93 Difference]: Finished difference Result 459 states and 1021 transitions. [2020-10-05 22:21:33,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-05 22:21:33,969 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-10-05 22:21:33,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 22:21:33,972 INFO L225 Difference]: With dead ends: 459 [2020-10-05 22:21:33,973 INFO L226 Difference]: Without dead ends: 459 [2020-10-05 22:21:33,973 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 22:21:33,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 459 states. [2020-10-05 22:21:33,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 459 to 373. [2020-10-05 22:21:33,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 373 states. [2020-10-05 22:21:33,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 842 transitions. [2020-10-05 22:21:33,985 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 842 transitions. Word has length 17 [2020-10-05 22:21:33,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 22:21:33,986 INFO L479 AbstractCegarLoop]: Abstraction has 373 states and 842 transitions. [2020-10-05 22:21:33,986 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-05 22:21:33,986 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 842 transitions. [2020-10-05 22:21:33,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-05 22:21:33,987 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 22:21:33,987 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 22:21:33,988 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-05 22:21:33,988 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 22:21:33,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 22:21:33,988 INFO L82 PathProgramCache]: Analyzing trace with hash 681509379, now seen corresponding path program 1 times [2020-10-05 22:21:33,989 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 22:21:33,989 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775526815] [2020-10-05 22:21:33,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 22:21:34,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 22:21:34,261 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 22:21:34,262 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775526815] [2020-10-05 22:21:34,262 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 22:21:34,262 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-05 22:21:34,263 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406556905] [2020-10-05 22:21:34,264 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-05 22:21:34,264 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 22:21:34,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-05 22:21:34,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-05 22:21:34,265 INFO L87 Difference]: Start difference. First operand 373 states and 842 transitions. Second operand 9 states. [2020-10-05 22:21:34,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 22:21:34,611 INFO L93 Difference]: Finished difference Result 692 states and 1542 transitions. [2020-10-05 22:21:34,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-05 22:21:34,612 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2020-10-05 22:21:34,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 22:21:34,617 INFO L225 Difference]: With dead ends: 692 [2020-10-05 22:21:34,617 INFO L226 Difference]: Without dead ends: 692 [2020-10-05 22:21:34,618 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-10-05 22:21:34,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 692 states. [2020-10-05 22:21:34,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 692 to 495. [2020-10-05 22:21:34,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 495 states. [2020-10-05 22:21:34,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 495 states and 1143 transitions. [2020-10-05 22:21:34,634 INFO L78 Accepts]: Start accepts. Automaton has 495 states and 1143 transitions. Word has length 21 [2020-10-05 22:21:34,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 22:21:34,635 INFO L479 AbstractCegarLoop]: Abstraction has 495 states and 1143 transitions. [2020-10-05 22:21:34,635 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-05 22:21:34,635 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 1143 transitions. [2020-10-05 22:21:34,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-05 22:21:34,636 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 22:21:34,636 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 22:21:34,637 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-05 22:21:34,637 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 22:21:34,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 22:21:34,637 INFO L82 PathProgramCache]: Analyzing trace with hash 1784222625, now seen corresponding path program 2 times [2020-10-05 22:21:34,638 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 22:21:34,638 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186522190] [2020-10-05 22:21:34,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 22:21:34,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 22:21:35,153 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 34 [2020-10-05 22:21:35,389 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 22:21:35,390 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186522190] [2020-10-05 22:21:35,390 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 22:21:35,390 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-05 22:21:35,391 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965523449] [2020-10-05 22:21:35,391 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-05 22:21:35,392 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 22:21:35,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-05 22:21:35,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-10-05 22:21:35,392 INFO L87 Difference]: Start difference. First operand 495 states and 1143 transitions. Second operand 9 states. [2020-10-05 22:21:35,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 22:21:35,895 INFO L93 Difference]: Finished difference Result 793 states and 1790 transitions. [2020-10-05 22:21:35,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-05 22:21:35,896 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2020-10-05 22:21:35,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 22:21:35,901 INFO L225 Difference]: With dead ends: 793 [2020-10-05 22:21:35,901 INFO L226 Difference]: Without dead ends: 793 [2020-10-05 22:21:35,903 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-10-05 22:21:35,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 793 states. [2020-10-05 22:21:35,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 793 to 481. [2020-10-05 22:21:35,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 481 states. [2020-10-05 22:21:35,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 1106 transitions. [2020-10-05 22:21:35,921 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 1106 transitions. Word has length 21 [2020-10-05 22:21:35,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 22:21:35,922 INFO L479 AbstractCegarLoop]: Abstraction has 481 states and 1106 transitions. [2020-10-05 22:21:35,922 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-05 22:21:35,922 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 1106 transitions. [2020-10-05 22:21:35,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-05 22:21:35,923 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 22:21:35,923 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2020-10-05 22:21:35,924 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-05 22:21:35,924 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 22:21:35,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 22:21:35,924 INFO L82 PathProgramCache]: Analyzing trace with hash 1908901823, now seen corresponding path program 2 times [2020-10-05 22:21:35,925 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 22:21:35,925 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037915199] [2020-10-05 22:21:35,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 22:21:35,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 22:21:36,058 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 22:21:36,059 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037915199] [2020-10-05 22:21:36,059 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [778067612] [2020-10-05 22:21:36,059 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 22:21:36,166 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-10-05 22:21:36,167 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-05 22:21:36,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-05 22:21:36,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-05 22:21:36,201 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 22:21:36,202 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-05 22:21:36,202 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2020-10-05 22:21:36,203 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187603329] [2020-10-05 22:21:36,203 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-05 22:21:36,203 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 22:21:36,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-05 22:21:36,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-10-05 22:21:36,204 INFO L87 Difference]: Start difference. First operand 481 states and 1106 transitions. Second operand 9 states. [2020-10-05 22:21:36,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 22:21:36,305 INFO L93 Difference]: Finished difference Result 722 states and 1617 transitions. [2020-10-05 22:21:36,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-05 22:21:36,306 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2020-10-05 22:21:36,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 22:21:36,312 INFO L225 Difference]: With dead ends: 722 [2020-10-05 22:21:36,312 INFO L226 Difference]: Without dead ends: 722 [2020-10-05 22:21:36,313 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 22:21:36,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 722 states. [2020-10-05 22:21:36,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 722 to 571. [2020-10-05 22:21:36,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 571 states. [2020-10-05 22:21:36,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 1305 transitions. [2020-10-05 22:21:36,334 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 1305 transitions. Word has length 22 [2020-10-05 22:21:36,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 22:21:36,334 INFO L479 AbstractCegarLoop]: Abstraction has 571 states and 1305 transitions. [2020-10-05 22:21:36,334 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-05 22:21:36,335 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 1305 transitions. [2020-10-05 22:21:36,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-05 22:21:36,336 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 22:21:36,337 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 22:21:36,551 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-05 22:21:36,552 INFO L427 AbstractCegarLoop]: === Iteration 10 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 22:21:36,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 22:21:36,553 INFO L82 PathProgramCache]: Analyzing trace with hash 536397377, now seen corresponding path program 1 times [2020-10-05 22:21:36,553 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 22:21:36,553 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523085200] [2020-10-05 22:21:36,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 22:21:36,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-05 22:21:36,587 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-05 22:21:36,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-05 22:21:36,622 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-05 22:21:36,658 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-05 22:21:36,659 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-05 22:21:36,659 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-05 22:21:36,660 WARN L633 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-05 22:21:36,661 WARN L633 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-05 22:21:36,669 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [576] [576] L971-6-->L939: Formula: (let ((.cse1 (select |#pthreadsMutex_In-990264520| |~#m~0.base_In-990264520|)) (.cse0 (mod t1Thread1of1ForFork0_~tmp~0_Out-990264520 4294967296))) (and (< t1Thread1of1ForFork0_~i~0_In-990264520 400) (< .cse0 400) (= (store |#pthreadsMutex_In-990264520| |~#m~0.base_In-990264520| (store .cse1 |~#m~0.offset_In-990264520| 1)) |#pthreadsMutex_Out-990264520|) (= |t1Thread1of1ForFork0_#t~nondet43_In-990264520| t1Thread1of1ForFork0_~tmp~0_Out-990264520) (= |~#arr~0.base_In-990264520| |t1Thread1of1ForFork0_push_#in~stack.base_Out-990264520|) (= |t1Thread1of1ForFork0_push_#in~stack.offset_Out-990264520| |~#arr~0.offset_In-990264520|) (= (select .cse1 |~#m~0.offset_In-990264520|) 0) (= |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond_Out-990264520| 1) (= t1Thread1of1ForFork0_assume_abort_if_not_~cond_Out-990264520 |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond_Out-990264520|) (= .cse0 |t1Thread1of1ForFork0_push_#in~x_Out-990264520|))) InVars {~#arr~0.offset=|~#arr~0.offset_In-990264520|, #pthreadsMutex=|#pthreadsMutex_In-990264520|, ~#m~0.base=|~#m~0.base_In-990264520|, t1Thread1of1ForFork0_~i~0=t1Thread1of1ForFork0_~i~0_In-990264520, ~#m~0.offset=|~#m~0.offset_In-990264520|, ~#arr~0.base=|~#arr~0.base_In-990264520|, t1Thread1of1ForFork0_#t~nondet43=|t1Thread1of1ForFork0_#t~nondet43_In-990264520|} OutVars{~#arr~0.offset=|~#arr~0.offset_In-990264520|, t1Thread1of1ForFork0_push_#in~x=|t1Thread1of1ForFork0_push_#in~x_Out-990264520|, #pthreadsMutex=|#pthreadsMutex_Out-990264520|, t1Thread1of1ForFork0_~i~0=t1Thread1of1ForFork0_~i~0_In-990264520, t1Thread1of1ForFork0_push_~stack.offset=t1Thread1of1ForFork0_push_~stack.offset_Out-990264520, t1Thread1of1ForFork0_push_#t~ret35=|t1Thread1of1ForFork0_push_#t~ret35_Out-990264520|, t1Thread1of1ForFork0_push_#res=|t1Thread1of1ForFork0_push_#res_Out-990264520|, ~#m~0.base=|~#m~0.base_In-990264520|, t1Thread1of1ForFork0_push_#t~nondet33=|t1Thread1of1ForFork0_push_#t~nondet33_Out-990264520|, t1Thread1of1ForFork0_push_~stack.base=t1Thread1of1ForFork0_push_~stack.base_Out-990264520, t1Thread1of1ForFork0_assume_abort_if_not_~cond=t1Thread1of1ForFork0_assume_abort_if_not_~cond_Out-990264520, t1Thread1of1ForFork0_push_#in~stack.base=|t1Thread1of1ForFork0_push_#in~stack.base_Out-990264520|, t1Thread1of1ForFork0_~tmp~0=t1Thread1of1ForFork0_~tmp~0_Out-990264520, t1Thread1of1ForFork0_push_~x=t1Thread1of1ForFork0_push_~x_Out-990264520, ~#m~0.offset=|~#m~0.offset_In-990264520|, t1Thread1of1ForFork0_assume_abort_if_not_#in~cond=|t1Thread1of1ForFork0_assume_abort_if_not_#in~cond_Out-990264520|, t1Thread1of1ForFork0_push_#in~stack.offset=|t1Thread1of1ForFork0_push_#in~stack.offset_Out-990264520|, t1Thread1of1ForFork0_#t~nondet42=|t1Thread1of1ForFork0_#t~nondet42_Out-990264520|, ~#arr~0.base=|~#arr~0.base_In-990264520|, t1Thread1of1ForFork0_#t~nondet43=|t1Thread1of1ForFork0_#t~nondet43_Out-990264520|} AuxVars[] AssignedVars[t1Thread1of1ForFork0_push_#in~x, #pthreadsMutex, t1Thread1of1ForFork0_push_~stack.offset, t1Thread1of1ForFork0_push_#t~ret35, t1Thread1of1ForFork0_push_#res, t1Thread1of1ForFork0_push_#t~nondet33, t1Thread1of1ForFork0_push_~stack.base, t1Thread1of1ForFork0_assume_abort_if_not_~cond, t1Thread1of1ForFork0_push_#in~stack.base, t1Thread1of1ForFork0_~tmp~0, t1Thread1of1ForFork0_push_~x, t1Thread1of1ForFork0_assume_abort_if_not_#in~cond, t1Thread1of1ForFork0_push_#in~stack.offset, t1Thread1of1ForFork0_#t~nondet42, t1Thread1of1ForFork0_#t~nondet43] because there is no mapped edge [2020-10-05 22:21:36,683 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [577] [577] L991-3-->L986-6: Formula: (and (<= 0 (+ |t2Thread1of1ForFork1_#t~ret47_In-502600182| 2147483648)) (= (+ t2Thread1of1ForFork1_~i~1_In-502600182 1) t2Thread1of1ForFork1_~i~1_Out-502600182) (<= |t2Thread1of1ForFork1_#t~ret47_In-502600182| 2147483647) (= |#pthreadsMutex_Out-502600182| (store |#pthreadsMutex_In-502600182| |~#m~0.base_In-502600182| (store (select |#pthreadsMutex_In-502600182| |~#m~0.base_In-502600182|) |~#m~0.offset_In-502600182| 0))) (not (= (- 2) |t2Thread1of1ForFork1_#t~ret47_In-502600182|))) InVars {#pthreadsMutex=|#pthreadsMutex_In-502600182|, ~#m~0.base=|~#m~0.base_In-502600182|, t2Thread1of1ForFork1_#t~ret47=|t2Thread1of1ForFork1_#t~ret47_In-502600182|, ~#m~0.offset=|~#m~0.offset_In-502600182|, t2Thread1of1ForFork1_~i~1=t2Thread1of1ForFork1_~i~1_In-502600182} OutVars{#pthreadsMutex=|#pthreadsMutex_Out-502600182|, ~#m~0.base=|~#m~0.base_In-502600182|, t2Thread1of1ForFork1_#t~ret47=|t2Thread1of1ForFork1_#t~ret47_Out-502600182|, ~#m~0.offset=|~#m~0.offset_In-502600182|, t2Thread1of1ForFork1_#t~post45=|t2Thread1of1ForFork1_#t~post45_Out-502600182|, t2Thread1of1ForFork1_~i~1=t2Thread1of1ForFork1_~i~1_Out-502600182} AuxVars[] AssignedVars[#pthreadsMutex, t2Thread1of1ForFork1_#t~ret47, t2Thread1of1ForFork1_#t~post45, t2Thread1of1ForFork1_~i~1] because there is no mapped edge [2020-10-05 22:21:36,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.10 10:21:36 BasicIcfg [2020-10-05 22:21:36,781 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-05 22:21:36,784 INFO L168 Benchmark]: Toolchain (without parser) took 10734.30 ms. Allocated memory was 137.9 MB in the beginning and 336.1 MB in the end (delta: 198.2 MB). Free memory was 99.9 MB in the beginning and 140.5 MB in the end (delta: -40.6 MB). Peak memory consumption was 157.6 MB. Max. memory is 7.1 GB. [2020-10-05 22:21:36,785 INFO L168 Benchmark]: CDTParser took 0.27 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: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-05 22:21:36,786 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1132.88 ms. Allocated memory was 137.9 MB in the beginning and 200.8 MB in the end (delta: 62.9 MB). Free memory was 99.5 MB in the beginning and 133.5 MB in the end (delta: -34.0 MB). Peak memory consumption was 34.1 MB. Max. memory is 7.1 GB. [2020-10-05 22:21:36,792 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.83 ms. Allocated memory is still 200.8 MB. Free memory was 133.5 MB in the beginning and 130.6 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2020-10-05 22:21:36,793 INFO L168 Benchmark]: Boogie Preprocessor took 45.99 ms. Allocated memory is still 200.8 MB. Free memory was 130.6 MB in the beginning and 129.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2020-10-05 22:21:36,793 INFO L168 Benchmark]: RCFGBuilder took 710.06 ms. Allocated memory is still 200.8 MB. Free memory was 128.4 MB in the beginning and 95.7 MB in the end (delta: 32.8 MB). Peak memory consumption was 32.8 MB. Max. memory is 7.1 GB. [2020-10-05 22:21:36,794 INFO L168 Benchmark]: TraceAbstraction took 8762.23 ms. Allocated memory was 200.8 MB in the beginning and 336.1 MB in the end (delta: 135.3 MB). Free memory was 94.9 MB in the beginning and 140.5 MB in the end (delta: -45.5 MB). Peak memory consumption was 89.8 MB. Max. memory is 7.1 GB. [2020-10-05 22:21:36,799 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 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: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1132.88 ms. Allocated memory was 137.9 MB in the beginning and 200.8 MB in the end (delta: 62.9 MB). Free memory was 99.5 MB in the beginning and 133.5 MB in the end (delta: -34.0 MB). Peak memory consumption was 34.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 70.83 ms. Allocated memory is still 200.8 MB. Free memory was 133.5 MB in the beginning and 130.6 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 45.99 ms. Allocated memory is still 200.8 MB. Free memory was 130.6 MB in the beginning and 129.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 710.06 ms. Allocated memory is still 200.8 MB. Free memory was 128.4 MB in the beginning and 95.7 MB in the end (delta: 32.8 MB). Peak memory consumption was 32.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 8762.23 ms. Allocated memory was 200.8 MB in the beginning and 336.1 MB in the end (delta: 135.3 MB). Free memory was 94.9 MB in the beginning and 140.5 MB in the end (delta: -45.5 MB). Peak memory consumption was 89.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 4.0s, 140 ProgramPointsBefore, 40 ProgramPointsAfterwards, 145 TransitionsBefore, 41 TransitionsAfterwards, 6532 CoEnabledTransitionPairs, 6 FixpointIterations, 26 TrivialSequentialCompositions, 81 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 22 ConcurrentYvCompositions, 4 ChoiceCompositions, 3709 VarBasedMoverChecksPositive, 66 VarBasedMoverChecksNegative, 28 SemBasedMoverChecksPositive, 59 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.5s, 0 MoverChecksTotal, 7839 CheckedPairsTotal, 129 TotalNumberOfCompositions - CounterExampleResult [Line: 921]: 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[(400)]; [L918] 0 pthread_mutex_t m; [L919] 0 _Bool flag=(0); [L1000] 0 pthread_t id1, id2; [L1002] FCALL, FORK 0 pthread_create(&id1, ((void *)0), t1, ((void *)0)) VAL [arr={2:0}, flag=0, m={3:0}, top=0] [L969] 1 int i; [L970] 1 unsigned int tmp; [L971] 1 i=0 VAL [arr={2:0}, flag=0, m={3:0}, top=0] [L941] COND FALSE 1 !(top==(400)) [L1003] FCALL, FORK 0 pthread_create(&id2, ((void *)0), t2, ((void *)0)) VAL [arr={2:0}, flag=0, m={3:0}, top=0] [L985] 2 int i; [L986] 2 i=0 VAL [arr={2:0}, flag=0, m={3:0}, top=0] [L933] 1 return top; [L948] 1 stack[get_top()] = x VAL [arr={2:0}, flag=0, m={3:0}, top=0] [L925] 1 top++ [L951] 1 return 0; [L976] COND FALSE 1 !(push(arr,tmp)==(-1)) [L978] 1 flag=(1) VAL [arr={2:0}, flag=1, m={3:0}, top=1] [L971] 1 i++ VAL [arr={2:0}, flag=1, m={3:0}, top=1] [L986] COND TRUE 2 i<(400) [L989] COND TRUE 2 \read(flag) [L933] 2 return top; [L955] COND FALSE 2 !(get_top()==0) VAL [arr={2:0}, flag=1, m={3:0}, top=1] [L929] 2 top-- [L933] 2 return top; [L963] EXPR 2 stack[get_top()] [L963] 2 return stack[get_top()]; [L986] COND TRUE 2 i<(400) [L989] COND TRUE 2 \read(flag) [L933] 2 return top; [L955] COND TRUE 2 get_top()==0 [L958] 2 return (-2); [L991] COND TRUE 2 !(pop(arr)!=(-2)) [L921] 2 __VERIFIER_error() VAL [arr={2:0}, flag=1, m={3:0}, top=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 134 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 8.4s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.0s, HoareTripleCheckerStatistics: 406 SDtfs, 477 SDslu, 867 SDs, 0 SdLazy, 432 SolverSat, 34 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 87 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=668occurred 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, 9 MinimizatonAttempts, 999 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 195 NumberOfCodeBlocks, 195 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 160 ConstructedInterpolants, 0 QuantifiedInterpolants, 42422 SizeOfPredicates, 5 NumberOfNonLiveVariables, 337 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 11 InterpolantComputations, 7 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...