/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe-MCR.epf -i ../../../trunk/examples/svcomp/ldv-races/race-1_2-join.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-27 18:56:22,612 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-27 18:56:22,614 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-27 18:56:22,634 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-27 18:56:22,634 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-27 18:56:22,636 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-27 18:56:22,638 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-27 18:56:22,652 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-27 18:56:22,654 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-27 18:56:22,655 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-27 18:56:22,656 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-27 18:56:22,657 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-27 18:56:22,657 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-27 18:56:22,658 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-27 18:56:22,660 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-27 18:56:22,662 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-27 18:56:22,664 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-27 18:56:22,665 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-27 18:56:22,670 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-27 18:56:22,676 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-27 18:56:22,677 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-27 18:56:22,678 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-27 18:56:22,681 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-27 18:56:22,681 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-27 18:56:22,683 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-12-27 18:56:22,688 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-27 18:56:22,691 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-27 18:56:22,692 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-27 18:56:22,693 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-27 18:56:22,696 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-27 18:56:22,697 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-27 18:56:22,697 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-27 18:56:22,697 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-27 18:56:22,699 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-27 18:56:22,702 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-27 18:56:22,702 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-27 18:56:22,703 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe-MCR.epf [2019-12-27 18:56:22,717 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-27 18:56:22,718 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-27 18:56:22,719 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-27 18:56:22,719 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-27 18:56:22,719 INFO L138 SettingsManager]: * Use SBE=true [2019-12-27 18:56:22,720 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-27 18:56:22,720 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-27 18:56:22,720 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-27 18:56:22,720 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-27 18:56:22,720 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-27 18:56:22,721 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-27 18:56:22,721 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-27 18:56:22,721 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-27 18:56:22,721 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-27 18:56:22,721 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-27 18:56:22,722 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-27 18:56:22,723 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-27 18:56:22,723 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-27 18:56:22,723 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-27 18:56:22,724 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-27 18:56:22,724 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-27 18:56:22,724 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 18:56:22,724 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-27 18:56:22,724 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-27 18:56:22,725 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-27 18:56:22,725 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-27 18:56:22,725 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-27 18:56:22,725 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2019-12-27 18:56:22,725 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-27 18:56:22,726 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2019-12-27 18:56:22,726 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-27 18:56:23,046 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-27 18:56:23,067 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-27 18:56:23,070 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-27 18:56:23,072 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-27 18:56:23,072 INFO L275 PluginConnector]: CDTParser initialized [2019-12-27 18:56:23,073 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-1_2-join.i [2019-12-27 18:56:23,133 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86443a3f1/cad5af84333342de9dbade4213ccf5b4/FLAG45f17b8de [2019-12-27 18:56:23,807 INFO L306 CDTParser]: Found 1 translation units. [2019-12-27 18:56:23,807 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_2-join.i [2019-12-27 18:56:23,835 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86443a3f1/cad5af84333342de9dbade4213ccf5b4/FLAG45f17b8de [2019-12-27 18:56:23,951 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86443a3f1/cad5af84333342de9dbade4213ccf5b4 [2019-12-27 18:56:23,960 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-27 18:56:23,962 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-27 18:56:23,963 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-27 18:56:23,963 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-27 18:56:23,967 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-27 18:56:23,968 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 06:56:23" (1/1) ... [2019-12-27 18:56:23,971 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6031d973 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:56:23, skipping insertion in model container [2019-12-27 18:56:23,971 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 06:56:23" (1/1) ... [2019-12-27 18:56:23,979 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-27 18:56:24,047 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-27 18:56:24,738 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 18:56:24,753 INFO L203 MainTranslator]: Completed pre-run [2019-12-27 18:56:24,814 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 18:56:25,222 INFO L208 MainTranslator]: Completed translation [2019-12-27 18:56:25,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:56:25 WrapperNode [2019-12-27 18:56:25,223 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-27 18:56:25,224 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-27 18:56:25,224 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-27 18:56:25,225 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-27 18:56:25,239 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:56:25" (1/1) ... [2019-12-27 18:56:25,302 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:56:25" (1/1) ... [2019-12-27 18:56:25,351 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-27 18:56:25,352 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-27 18:56:25,352 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-27 18:56:25,352 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-27 18:56:25,364 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:56:25" (1/1) ... [2019-12-27 18:56:25,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:56:25" (1/1) ... [2019-12-27 18:56:25,368 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:56:25" (1/1) ... [2019-12-27 18:56:25,368 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:56:25" (1/1) ... [2019-12-27 18:56:25,383 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:56:25" (1/1) ... [2019-12-27 18:56:25,385 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:56:25" (1/1) ... [2019-12-27 18:56:25,397 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:56:25" (1/1) ... [2019-12-27 18:56:25,410 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-27 18:56:25,410 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-27 18:56:25,411 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-27 18:56:25,411 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-27 18:56:25,412 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:56:25" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 18:56:25,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-27 18:56:25,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-27 18:56:25,476 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2019-12-27 18:56:25,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-12-27 18:56:25,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-27 18:56:25,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-27 18:56:25,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-27 18:56:25,477 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2019-12-27 18:56:25,477 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2019-12-27 18:56:25,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-27 18:56:25,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-27 18:56:25,479 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-27 18:56:26,131 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-27 18:56:26,131 INFO L287 CfgBuilder]: Removed 16 assume(true) statements. [2019-12-27 18:56:26,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 06:56:26 BoogieIcfgContainer [2019-12-27 18:56:26,133 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-27 18:56:26,135 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-27 18:56:26,135 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-27 18:56:26,138 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-27 18:56:26,138 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.12 06:56:23" (1/3) ... [2019-12-27 18:56:26,139 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@103c28f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 06:56:26, skipping insertion in model container [2019-12-27 18:56:26,139 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:56:25" (2/3) ... [2019-12-27 18:56:26,140 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@103c28f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 06:56:26, skipping insertion in model container [2019-12-27 18:56:26,140 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 06:56:26" (3/3) ... [2019-12-27 18:56:26,141 INFO L109 eAbstractionObserver]: Analyzing ICFG race-1_2-join.i [2019-12-27 18:56:26,152 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-27 18:56:26,152 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-27 18:56:26,161 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-12-27 18:56:26,162 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-27 18:56:26,188 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:26,188 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:26,188 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:26,189 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:26,189 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:26,189 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:26,190 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:26,190 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:26,194 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:26,194 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:26,195 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:26,195 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:26,195 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:26,219 INFO L249 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2019-12-27 18:56:26,240 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 18:56:26,240 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 18:56:26,240 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 18:56:26,240 INFO L376 AbstractCegarLoop]: Backedges is MCR [2019-12-27 18:56:26,240 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 18:56:26,240 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 18:56:26,241 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 18:56:26,241 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 18:56:26,256 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 83 places, 85 transitions [2019-12-27 18:56:26,258 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 83 places, 85 transitions [2019-12-27 18:56:26,307 INFO L132 PetriNetUnfolder]: 5/96 cut-off events. [2019-12-27 18:56:26,307 INFO L133 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2019-12-27 18:56:26,312 INFO L76 FinitePrefix]: Finished finitePrefix Result has 101 conditions, 96 events. 5/96 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 136 event pairs. 0/85 useless extension candidates. Maximal degree in co-relation 52. Up to 3 conditions per place. [2019-12-27 18:56:26,315 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 83 places, 85 transitions [2019-12-27 18:56:26,352 INFO L132 PetriNetUnfolder]: 5/96 cut-off events. [2019-12-27 18:56:26,352 INFO L133 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2019-12-27 18:56:26,353 INFO L76 FinitePrefix]: Finished finitePrefix Result has 101 conditions, 96 events. 5/96 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 136 event pairs. 0/85 useless extension candidates. Maximal degree in co-relation 52. Up to 3 conditions per place. [2019-12-27 18:56:26,355 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 308 [2019-12-27 18:56:26,356 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-27 18:56:28,471 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2019-12-27 18:56:29,087 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 33 [2019-12-27 18:56:29,420 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2019-12-27 18:56:29,893 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-12-27 18:56:30,360 WARN L192 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 96 [2019-12-27 18:56:30,526 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-12-27 18:56:30,777 WARN L192 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2019-12-27 18:56:30,895 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-12-27 18:56:30,897 INFO L206 etLargeBlockEncoding]: Checked pairs total: 254 [2019-12-27 18:56:30,898 INFO L214 etLargeBlockEncoding]: Total number of compositions: 94 [2019-12-27 18:56:30,901 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 17 places, 16 transitions [2019-12-27 18:56:30,908 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 24 states. [2019-12-27 18:56:30,910 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2019-12-27 18:56:30,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2019-12-27 18:56:30,914 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 18:56:30,915 INFO L411 BasicCegarLoop]: trace histogram [1] [2019-12-27 18:56:30,915 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 18:56:30,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 18:56:30,920 INFO L82 PathProgramCache]: Analyzing trace with hash 335, now seen corresponding path program 1 times [2019-12-27 18:56:30,931 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 18:56:30,932 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057688105] [2019-12-27 18:56:30,932 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 18:56:31,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 18:56:31,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 18:56:31,163 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057688105] [2019-12-27 18:56:31,164 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 18:56:31,165 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2019-12-27 18:56:31,165 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [224265932] [2019-12-27 18:56:31,166 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 18:56:31,171 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 18:56:31,178 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 2 states and 1 transitions. [2019-12-27 18:56:31,179 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 18:56:31,183 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 18:56:31,183 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-27 18:56:31,184 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 18:56:31,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-27 18:56:31,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-27 18:56:31,201 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 2 states. [2019-12-27 18:56:31,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 18:56:31,210 INFO L93 Difference]: Finished difference Result 21 states and 27 transitions. [2019-12-27 18:56:31,210 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-27 18:56:31,212 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 1 [2019-12-27 18:56:31,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 18:56:31,221 INFO L225 Difference]: With dead ends: 21 [2019-12-27 18:56:31,221 INFO L226 Difference]: Without dead ends: 8 [2019-12-27 18:56:31,222 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-27 18:56:31,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2019-12-27 18:56:31,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2019-12-27 18:56:31,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2019-12-27 18:56:31,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 9 transitions. [2019-12-27 18:56:31,262 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 9 transitions. Word has length 1 [2019-12-27 18:56:31,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 18:56:31,263 INFO L462 AbstractCegarLoop]: Abstraction has 8 states and 9 transitions. [2019-12-27 18:56:31,263 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-27 18:56:31,263 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2019-12-27 18:56:31,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-12-27 18:56:31,263 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 18:56:31,264 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-12-27 18:56:31,264 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 18:56:31,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 18:56:31,265 INFO L82 PathProgramCache]: Analyzing trace with hash 10309892, now seen corresponding path program 1 times [2019-12-27 18:56:31,265 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 18:56:31,265 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52952662] [2019-12-27 18:56:31,265 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 18:56:31,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 18:56:31,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 18:56:31,453 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52952662] [2019-12-27 18:56:31,454 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 18:56:31,454 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 18:56:31,454 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [790965102] [2019-12-27 18:56:31,454 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 18:56:31,455 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 18:56:31,456 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 5 states and 4 transitions. [2019-12-27 18:56:31,456 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 18:56:31,457 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 18:56:31,458 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 18:56:31,458 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 18:56:31,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 18:56:31,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 18:56:31,459 INFO L87 Difference]: Start difference. First operand 8 states and 9 transitions. Second operand 3 states. [2019-12-27 18:56:31,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 18:56:31,476 INFO L93 Difference]: Finished difference Result 8 states and 7 transitions. [2019-12-27 18:56:31,477 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 18:56:31,477 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2019-12-27 18:56:31,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 18:56:31,477 INFO L225 Difference]: With dead ends: 8 [2019-12-27 18:56:31,478 INFO L226 Difference]: Without dead ends: 6 [2019-12-27 18:56:31,478 INFO L631 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 [2019-12-27 18:56:31,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states. [2019-12-27 18:56:31,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2019-12-27 18:56:31,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-12-27 18:56:31,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5 transitions. [2019-12-27 18:56:31,480 INFO L78 Accepts]: Start accepts. Automaton has 6 states and 5 transitions. Word has length 4 [2019-12-27 18:56:31,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 18:56:31,481 INFO L462 AbstractCegarLoop]: Abstraction has 6 states and 5 transitions. [2019-12-27 18:56:31,481 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 18:56:31,481 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 5 transitions. [2019-12-27 18:56:31,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-27 18:56:31,481 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 18:56:31,482 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-12-27 18:56:31,482 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 18:56:31,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 18:56:31,482 INFO L82 PathProgramCache]: Analyzing trace with hash 319607122, now seen corresponding path program 1 times [2019-12-27 18:56:31,483 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 18:56:31,483 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593209414] [2019-12-27 18:56:31,483 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 18:56:31,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 18:56:31,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 18:56:31,560 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-27 18:56:31,560 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-27 18:56:31,564 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [308] [308] ULTIMATE.startENTRY-->L1697-1: Formula: (let ((.cse3 (store |v_#valid_48| 0 0))) (let ((.cse1 (select |v_#memory_int_41| |v_~#t1~0.base_16|)) (.cse0 (select |v_#memory_int_41| |v_~#mutex~0.base_41|)) (.cse2 (store .cse3 |v_~#t1~0.base_16| 1))) (and (= (select .cse0 (+ |v_~#mutex~0.offset_41| 4)) 0) (= |v_#memory_$Pointer$.offset_19| (store |v_#memory_$Pointer$.offset_20| |v_~#t1~0.base_16| (store (select |v_#memory_$Pointer$.offset_20| |v_~#t1~0.base_16|) |v_~#t1~0.offset_16| (select (select |v_#memory_$Pointer$.offset_19| |v_~#t1~0.base_16|) |v_~#t1~0.offset_16|)))) (= |v_~#t1~0.offset_16| 0) (= |v_#NULL.offset_7| 0) (= 0 (select .cse1 |v_~#t1~0.offset_16|)) (= 0 (select .cse0 (+ |v_~#mutex~0.offset_41| 8))) (= 0 |v_#NULL.base_7|) (= 0 (select .cse0 (+ |v_~#mutex~0.offset_41| 16))) (= |v_#length_28| (store (store |v_#length_29| |v_~#t1~0.base_16| 4) |v_~#mutex~0.base_41| 24)) (= |v_#valid_47| (store .cse2 |v_~#mutex~0.base_41| 1)) (= |v_#memory_$Pointer$.base_19| (store |v_#memory_$Pointer$.base_20| |v_~#t1~0.base_16| (store (select |v_#memory_$Pointer$.base_20| |v_~#t1~0.base_16|) |v_~#t1~0.offset_16| (select (select |v_#memory_$Pointer$.base_19| |v_~#t1~0.base_16|) |v_~#t1~0.offset_16|)))) (= 1 |v_ULTIMATE.start_ldv_assert_#in~expression_60|) (= (store |v_#memory_int_41| |v_~#t1~0.base_16| (store .cse1 |v_~#t1~0.offset_16| 0)) |v_#memory_int_40|) (< |v_#StackHeapBarrier_17| |v_~#t1~0.base_16|) (= (select .cse0 (+ |v_~#mutex~0.offset_41| 12)) 0) (= 1 v_~pdev~0_79) (= 0 (select .cse3 |v_~#t1~0.base_16|)) (< 0 |v_#StackHeapBarrier_17|) (< |v_#StackHeapBarrier_17| |v_~#mutex~0.base_41|) (= |v_#pthreadsMutex_53| (store |v_#pthreadsMutex_54| |v_~#mutex~0.base_41| (store (select |v_#pthreadsMutex_54| |v_~#mutex~0.base_41|) |v_~#mutex~0.offset_41| 0))) (= 0 (select .cse0 |v_~#mutex~0.offset_41|)) (= v_ULTIMATE.start_ldv_assert_~expression_78 |v_ULTIMATE.start_ldv_assert_#in~expression_60|) (= 0 (select .cse2 |v_~#mutex~0.base_41|)) (= 0 |v_~#mutex~0.offset_41|)))) InVars {#pthreadsMutex=|v_#pthreadsMutex_54|, #StackHeapBarrier=|v_#StackHeapBarrier_17|, #memory_$Pointer$.base=|v_#memory_$Pointer$.base_20|, #valid=|v_#valid_48|, #memory_int=|v_#memory_int_41|, #length=|v_#length_29|, #memory_$Pointer$.offset=|v_#memory_$Pointer$.offset_20|} OutVars{ULTIMATE.start_module_init_#res=|v_ULTIMATE.start_module_init_#res_28|, #pthreadsMutex=|v_#pthreadsMutex_53|, #memory_$Pointer$.base=|v_#memory_$Pointer$.base_19|, ~#mutex~0.base=|v_~#mutex~0.base_41|, ~#mutex~0.offset=|v_~#mutex~0.offset_41|, #NULL.offset=|v_#NULL.offset_7|, ~#t1~0.offset=|v_~#t1~0.offset_16|, ULTIMATE.start_module_init_#t~nondet31=|v_ULTIMATE.start_module_init_#t~nondet31_32|, ULTIMATE.start_module_init_#t~nondet32=|v_ULTIMATE.start_module_init_#t~nondet32_15|, ULTIMATE.start_ldv_assert_#in~expression=|v_ULTIMATE.start_ldv_assert_#in~expression_60|, ULTIMATE.start_ldv_assert_~expression=v_ULTIMATE.start_ldv_assert_~expression_78, #NULL.base=|v_#NULL.base_7|, #StackHeapBarrier=|v_#StackHeapBarrier_17|, ~#t1~0.base=|v_~#t1~0.base_16|, ULTIMATE.start_main_#t~ret35=|v_ULTIMATE.start_main_#t~ret35_38|, ~pdev~0=v_~pdev~0_79, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_17|, #valid=|v_#valid_47|, #memory_int=|v_#memory_int_40|, #length=|v_#length_28|, #memory_$Pointer$.offset=|v_#memory_$Pointer$.offset_19|} AuxVars[] AssignedVars[ULTIMATE.start_module_init_#res, #pthreadsMutex, #memory_$Pointer$.base, ~#mutex~0.base, ~#mutex~0.offset, #NULL.offset, ~#t1~0.offset, ULTIMATE.start_module_init_#t~nondet31, ULTIMATE.start_module_init_#t~nondet32, ULTIMATE.start_ldv_assert_#in~expression, ULTIMATE.start_ldv_assert_~expression, #NULL.base, ~#t1~0.base, ULTIMATE.start_main_#t~ret35, ~pdev~0, ULTIMATE.start_main_#res, #valid, #memory_int, #length, #memory_$Pointer$.offset] because there is no mapped edge [2019-12-27 18:56:31,564 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [248] [248] L1697-2-->L1699: Formula: (= 2 v_~pdev~0_23) InVars {} OutVars{~pdev~0=v_~pdev~0_23, ULTIMATE.start_module_init_#t~nondet32=|v_ULTIMATE.start_module_init_#t~nondet32_4|} AuxVars[] AssignedVars[~pdev~0, ULTIMATE.start_module_init_#t~nondet32] because there is no mapped edge [2019-12-27 18:56:31,565 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [290] [290] thread1ENTRY-->thread1EXIT: Formula: (let ((.cse0 (select |v_#pthreadsMutex_29| |v_~#mutex~0.base_27|))) (and (= |v_thread1Thread1of1ForFork0_#in~arg.offset_10| v_thread1Thread1of1ForFork0_~arg.offset_10) (= |v_thread1Thread1of1ForFork0_#res.offset_8| 0) (= (select .cse0 |v_~#mutex~0.offset_27|) 0) (= |v_thread1Thread1of1ForFork0_#res.base_8| 0) (= |v_thread1Thread1of1ForFork0_#in~arg.base_10| v_thread1Thread1of1ForFork0_~arg.base_10) (= 6 v_~pdev~0_49) (= |v_#pthreadsMutex_27| (store |v_#pthreadsMutex_29| |v_~#mutex~0.base_27| (store .cse0 |v_~#mutex~0.offset_27| 0))))) InVars {#pthreadsMutex=|v_#pthreadsMutex_29|, thread1Thread1of1ForFork0_#in~arg.base=|v_thread1Thread1of1ForFork0_#in~arg.base_10|, ~#mutex~0.base=|v_~#mutex~0.base_27|, ~#mutex~0.offset=|v_~#mutex~0.offset_27|, thread1Thread1of1ForFork0_#in~arg.offset=|v_thread1Thread1of1ForFork0_#in~arg.offset_10|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_27|, thread1Thread1of1ForFork0_#in~arg.base=|v_thread1Thread1of1ForFork0_#in~arg.base_10|, thread1Thread1of1ForFork0_#res.base=|v_thread1Thread1of1ForFork0_#res.base_8|, ~#mutex~0.base=|v_~#mutex~0.base_27|, ~pdev~0=v_~pdev~0_49, thread1Thread1of1ForFork0_~arg.offset=v_thread1Thread1of1ForFork0_~arg.offset_10, thread1Thread1of1ForFork0_~arg.base=v_thread1Thread1of1ForFork0_~arg.base_10, ~#mutex~0.offset=|v_~#mutex~0.offset_27|, thread1Thread1of1ForFork0_#t~nondet30=|v_thread1Thread1of1ForFork0_#t~nondet30_15|, thread1Thread1of1ForFork0_#res.offset=|v_thread1Thread1of1ForFork0_#res.offset_8|, thread1Thread1of1ForFork0_#in~arg.offset=|v_thread1Thread1of1ForFork0_#in~arg.offset_10|} AuxVars[] AssignedVars[#pthreadsMutex, thread1Thread1of1ForFork0_#res.base, ~pdev~0, thread1Thread1of1ForFork0_~arg.offset, thread1Thread1of1ForFork0_~arg.base, thread1Thread1of1ForFork0_#t~nondet30, thread1Thread1of1ForFork0_#res.offset] because there is no mapped edge [2019-12-27 18:56:31,565 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [284] [284] L1699-->ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= v_ULTIMATE.start_ldv_assert_~expression_51 0) (not (= 2 v_~pdev~0_42)) (= v_ULTIMATE.start_ldv_assert_~expression_51 |v_ULTIMATE.start_ldv_assert_#in~expression_34|)) InVars {~pdev~0=v_~pdev~0_42} OutVars{~pdev~0=v_~pdev~0_42, ULTIMATE.start_ldv_assert_#in~expression=|v_ULTIMATE.start_ldv_assert_#in~expression_34|, ULTIMATE.start_ldv_assert_~expression=v_ULTIMATE.start_ldv_assert_~expression_51} AuxVars[] AssignedVars[ULTIMATE.start_ldv_assert_#in~expression, ULTIMATE.start_ldv_assert_~expression] because there is no mapped edge [2019-12-27 18:56:31,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.12 06:56:31 BasicIcfg [2019-12-27 18:56:31,579 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-27 18:56:31,581 INFO L168 Benchmark]: Toolchain (without parser) took 7619.62 ms. Allocated memory was 146.8 MB in the beginning and 273.7 MB in the end (delta: 126.9 MB). Free memory was 101.4 MB in the beginning and 134.2 MB in the end (delta: -32.8 MB). Peak memory consumption was 94.1 MB. Max. memory is 7.1 GB. [2019-12-27 18:56:31,582 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 146.8 MB. Free memory is still 122.7 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-12-27 18:56:31,583 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1260.75 ms. Allocated memory was 146.8 MB in the beginning and 237.0 MB in the end (delta: 90.2 MB). Free memory was 101.4 MB in the beginning and 170.1 MB in the end (delta: -68.7 MB). Peak memory consumption was 72.9 MB. Max. memory is 7.1 GB. [2019-12-27 18:56:31,583 INFO L168 Benchmark]: Boogie Procedure Inliner took 127.27 ms. Allocated memory is still 237.0 MB. Free memory was 170.1 MB in the beginning and 166.7 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. [2019-12-27 18:56:31,584 INFO L168 Benchmark]: Boogie Preprocessor took 58.50 ms. Allocated memory is still 237.0 MB. Free memory was 166.7 MB in the beginning and 165.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-12-27 18:56:31,585 INFO L168 Benchmark]: RCFGBuilder took 722.79 ms. Allocated memory is still 237.0 MB. Free memory was 165.0 MB in the beginning and 127.2 MB in the end (delta: 37.8 MB). Peak memory consumption was 37.8 MB. Max. memory is 7.1 GB. [2019-12-27 18:56:31,586 INFO L168 Benchmark]: TraceAbstraction took 5444.41 ms. Allocated memory was 237.0 MB in the beginning and 273.7 MB in the end (delta: 36.7 MB). Free memory was 125.5 MB in the beginning and 134.2 MB in the end (delta: -8.7 MB). Peak memory consumption was 28.0 MB. Max. memory is 7.1 GB. [2019-12-27 18:56:31,590 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 146.8 MB. Free memory is still 122.7 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1260.75 ms. Allocated memory was 146.8 MB in the beginning and 237.0 MB in the end (delta: 90.2 MB). Free memory was 101.4 MB in the beginning and 170.1 MB in the end (delta: -68.7 MB). Peak memory consumption was 72.9 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 127.27 ms. Allocated memory is still 237.0 MB. Free memory was 170.1 MB in the beginning and 166.7 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 58.50 ms. Allocated memory is still 237.0 MB. Free memory was 166.7 MB in the beginning and 165.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 722.79 ms. Allocated memory is still 237.0 MB. Free memory was 165.0 MB in the beginning and 127.2 MB in the end (delta: 37.8 MB). Peak memory consumption was 37.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5444.41 ms. Allocated memory was 237.0 MB in the beginning and 273.7 MB in the end (delta: 36.7 MB). Free memory was 125.5 MB in the beginning and 134.2 MB in the end (delta: -8.7 MB). Peak memory consumption was 28.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 4.6s, 83 ProgramPointsBefore, 17 ProgramPointsAfterwards, 85 TransitionsBefore, 16 TransitionsAfterwards, 308 CoEnabledTransitionPairs, 7 FixpointIterations, 57 TrivialSequentialCompositions, 26 ConcurrentSequentialCompositions, 6 TrivialYvCompositions, 5 ConcurrentYvCompositions, 4 ChoiceCompositions, 164 VarBasedMoverChecksPositive, 8 VarBasedMoverChecksNegative, 1 SemBasedMoverChecksPositive, 8 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.1s, 0 MoverChecksTotal, 254 CheckedPairsTotal, 94 TotalNumberOfCompositions - CounterExampleResult [Line: 1682]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L1697] FCALL, FORK 0 pthread_create(&t1, ((void *)0), thread1, ((void *)0)) VAL [arg={0:0}, mutex={3:0}, pdev=1, t1={2:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 80 locations, 4 error locations. Result: UNSAFE, OverallTime: 5.3s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 18 SDtfs, 0 SDslu, 1 SDs, 0 SdLazy, 4 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...