/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf -i ../../../trunk/examples/svcomp/ldv-races/race-1_3-join.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-1d1d2b5 [2020-10-22 00:46:37,382 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-22 00:46:37,385 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-22 00:46:37,410 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-22 00:46:37,410 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-22 00:46:37,411 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-22 00:46:37,413 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-22 00:46:37,414 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-22 00:46:37,416 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-22 00:46:37,417 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-22 00:46:37,418 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-22 00:46:37,419 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-22 00:46:37,420 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-22 00:46:37,421 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-22 00:46:37,422 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-22 00:46:37,423 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-22 00:46:37,424 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-22 00:46:37,424 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-22 00:46:37,426 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-22 00:46:37,429 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-22 00:46:37,431 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-22 00:46:37,437 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-22 00:46:37,438 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-22 00:46:37,441 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-22 00:46:37,443 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-22 00:46:37,450 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-22 00:46:37,453 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-22 00:46:37,454 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-22 00:46:37,454 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-22 00:46:37,456 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-22 00:46:37,456 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-22 00:46:37,457 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-22 00:46:37,457 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-22 00:46:37,457 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-22 00:46:37,459 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-22 00:46:37,461 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-22 00:46:37,462 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf [2020-10-22 00:46:37,513 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-22 00:46:37,513 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-22 00:46:37,514 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-22 00:46:37,515 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-22 00:46:37,515 INFO L138 SettingsManager]: * Use SBE=true [2020-10-22 00:46:37,515 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-22 00:46:37,515 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-22 00:46:37,516 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-22 00:46:37,516 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-22 00:46:37,516 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-22 00:46:37,516 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-22 00:46:37,516 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-22 00:46:37,517 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-22 00:46:37,517 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-22 00:46:37,517 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-22 00:46:37,517 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-22 00:46:37,517 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-22 00:46:37,518 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-22 00:46:37,518 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-22 00:46:37,518 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-22 00:46:37,518 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-22 00:46:37,518 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-22 00:46:37,519 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-22 00:46:37,519 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-22 00:46:37,519 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-22 00:46:37,519 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-22 00:46:37,519 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-22 00:46:37,520 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-22 00:46:37,520 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-22 00:46:37,520 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-22 00:46:37,520 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-22 00:46:37,843 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-22 00:46:37,861 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-22 00:46:37,866 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-22 00:46:37,867 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-22 00:46:37,867 INFO L275 PluginConnector]: CDTParser initialized [2020-10-22 00:46:37,868 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-1_3-join.i [2020-10-22 00:46:37,940 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6b311e20/377619d819da4ce28c7970e5107a811b/FLAGd374b7f55 [2020-10-22 00:46:38,545 INFO L306 CDTParser]: Found 1 translation units. [2020-10-22 00:46:38,546 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_3-join.i [2020-10-22 00:46:38,580 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6b311e20/377619d819da4ce28c7970e5107a811b/FLAGd374b7f55 [2020-10-22 00:46:38,753 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6b311e20/377619d819da4ce28c7970e5107a811b [2020-10-22 00:46:38,761 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-22 00:46:38,769 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-22 00:46:38,770 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-22 00:46:38,770 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-22 00:46:38,773 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-22 00:46:38,774 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 12:46:38" (1/1) ... [2020-10-22 00:46:38,777 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a1984e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:46:38, skipping insertion in model container [2020-10-22 00:46:38,777 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 12:46:38" (1/1) ... [2020-10-22 00:46:38,785 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-22 00:46:38,836 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-22 00:46:39,603 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 00:46:39,618 INFO L203 MainTranslator]: Completed pre-run [2020-10-22 00:46:39,680 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 00:46:40,177 INFO L208 MainTranslator]: Completed translation [2020-10-22 00:46:40,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:46:40 WrapperNode [2020-10-22 00:46:40,179 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-22 00:46:40,181 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-22 00:46:40,182 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-22 00:46:40,182 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-22 00:46:40,196 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:46:40" (1/1) ... [2020-10-22 00:46:40,268 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:46:40" (1/1) ... [2020-10-22 00:46:40,304 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-22 00:46:40,305 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-22 00:46:40,305 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-22 00:46:40,305 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-22 00:46:40,320 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:46:40" (1/1) ... [2020-10-22 00:46:40,320 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:46:40" (1/1) ... [2020-10-22 00:46:40,324 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:46:40" (1/1) ... [2020-10-22 00:46:40,324 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:46:40" (1/1) ... [2020-10-22 00:46:40,337 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:46:40" (1/1) ... [2020-10-22 00:46:40,340 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:46:40" (1/1) ... [2020-10-22 00:46:40,346 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:46:40" (1/1) ... [2020-10-22 00:46:40,355 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-22 00:46:40,356 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-22 00:46:40,357 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-22 00:46:40,357 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-22 00:46:40,358 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:46:40" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-22 00:46:40,455 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-22 00:46:40,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-22 00:46:40,456 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-22 00:46:40,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-22 00:46:40,456 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-22 00:46:40,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-22 00:46:40,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-22 00:46:40,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-22 00:46:40,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-22 00:46:40,457 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-22 00:46:40,458 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-22 00:46:40,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-22 00:46:40,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-22 00:46:40,460 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-22 00:46:41,142 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-22 00:46:41,142 INFO L298 CfgBuilder]: Removed 24 assume(true) statements. [2020-10-22 00:46:41,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 12:46:41 BoogieIcfgContainer [2020-10-22 00:46:41,148 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-22 00:46:41,149 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-22 00:46:41,149 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-22 00:46:41,153 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-22 00:46:41,153 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 12:46:38" (1/3) ... [2020-10-22 00:46:41,154 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@469acb44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 12:46:41, skipping insertion in model container [2020-10-22 00:46:41,154 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:46:40" (2/3) ... [2020-10-22 00:46:41,155 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@469acb44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 12:46:41, skipping insertion in model container [2020-10-22 00:46:41,155 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 12:46:41" (3/3) ... [2020-10-22 00:46:41,157 INFO L111 eAbstractionObserver]: Analyzing ICFG race-1_3-join.i [2020-10-22 00:46:41,169 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-22 00:46:41,169 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-22 00:46:41,177 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2020-10-22 00:46:41,178 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-22 00:46:41,205 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:41,206 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:41,206 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:41,206 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:41,206 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:41,207 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:41,207 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:41,207 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:41,212 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:41,212 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:41,212 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:41,213 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:41,213 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:46:41,218 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2020-10-22 00:46:41,234 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-22 00:46:41,255 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-22 00:46:41,255 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-22 00:46:41,256 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-22 00:46:41,256 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-22 00:46:41,256 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-22 00:46:41,256 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-22 00:46:41,256 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-22 00:46:41,256 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-22 00:46:41,270 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-22 00:46:41,271 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 95 places, 99 transitions, 206 flow [2020-10-22 00:46:41,273 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 95 places, 99 transitions, 206 flow [2020-10-22 00:46:41,275 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 95 places, 99 transitions, 206 flow [2020-10-22 00:46:41,328 INFO L129 PetriNetUnfolder]: 7/113 cut-off events. [2020-10-22 00:46:41,329 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2020-10-22 00:46:41,332 INFO L80 FinitePrefix]: Finished finitePrefix Result has 118 conditions, 113 events. 7/113 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 194 event pairs, 0 based on Foata normal form. 0/99 useless extension candidates. Maximal degree in co-relation 69. Up to 3 conditions per place. [2020-10-22 00:46:41,335 INFO L116 LiptonReduction]: Number of co-enabled transitions 238 [2020-10-22 00:46:43,409 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 73 [2020-10-22 00:46:43,532 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-10-22 00:46:43,854 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-22 00:46:43,975 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-22 00:46:44,250 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-22 00:46:44,425 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-22 00:46:44,889 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 116 [2020-10-22 00:46:45,063 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-22 00:46:45,301 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-22 00:46:45,525 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-22 00:46:45,531 INFO L131 LiptonReduction]: Checked pairs total: 333 [2020-10-22 00:46:45,532 INFO L133 LiptonReduction]: Total number of compositions: 127 [2020-10-22 00:46:45,538 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 17 places, 15 transitions, 38 flow [2020-10-22 00:46:45,547 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 23 states. [2020-10-22 00:46:45,549 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2020-10-22 00:46:45,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2020-10-22 00:46:45,554 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:46:45,555 INFO L422 BasicCegarLoop]: trace histogram [1] [2020-10-22 00:46:45,555 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 00:46:45,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:46:45,561 INFO L82 PathProgramCache]: Analyzing trace with hash 437, now seen corresponding path program 1 times [2020-10-22 00:46:45,581 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:46:45,582 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669817664] [2020-10-22 00:46:45,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:46:45,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 00:46:45,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 00:46:45,845 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669817664] [2020-10-22 00:46:45,847 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 00:46:45,847 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2020-10-22 00:46:45,848 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [787652436] [2020-10-22 00:46:45,849 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 00:46:45,852 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 00:46:45,860 INFO L252 McrAutomatonBuilder]: Finished intersection with 2 states and 1 transitions. [2020-10-22 00:46:45,860 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 00:46:45,867 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 00:46:45,867 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-22 00:46:45,868 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 00:46:45,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-22 00:46:45,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-22 00:46:45,883 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 2 states. [2020-10-22 00:46:45,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 00:46:45,890 INFO L93 Difference]: Finished difference Result 20 states and 25 transitions. [2020-10-22 00:46:45,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-22 00:46:45,891 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 1 [2020-10-22 00:46:45,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 00:46:45,897 INFO L225 Difference]: With dead ends: 20 [2020-10-22 00:46:45,897 INFO L226 Difference]: Without dead ends: 13 [2020-10-22 00:46:45,899 INFO L677 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 [2020-10-22 00:46:45,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2020-10-22 00:46:45,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2020-10-22 00:46:45,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-22 00:46:45,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 15 transitions. [2020-10-22 00:46:45,928 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 15 transitions. Word has length 1 [2020-10-22 00:46:45,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 00:46:45,928 INFO L481 AbstractCegarLoop]: Abstraction has 13 states and 15 transitions. [2020-10-22 00:46:45,928 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-22 00:46:45,929 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2020-10-22 00:46:45,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-10-22 00:46:45,929 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:46:45,929 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-10-22 00:46:45,930 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-22 00:46:45,930 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 00:46:45,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:46:45,930 INFO L82 PathProgramCache]: Analyzing trace with hash 429935, now seen corresponding path program 1 times [2020-10-22 00:46:45,932 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:46:45,932 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211445308] [2020-10-22 00:46:45,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:46:46,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 00:46:46,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 00:46:46,089 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211445308] [2020-10-22 00:46:46,089 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 00:46:46,089 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 00:46:46,089 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1827825949] [2020-10-22 00:46:46,090 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 00:46:46,090 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 00:46:46,091 INFO L252 McrAutomatonBuilder]: Finished intersection with 4 states and 3 transitions. [2020-10-22 00:46:46,091 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 00:46:46,092 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 00:46:46,093 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 00:46:46,093 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 00:46:46,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 00:46:46,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 00:46:46,094 INFO L87 Difference]: Start difference. First operand 13 states and 15 transitions. Second operand 3 states. [2020-10-22 00:46:46,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 00:46:46,108 INFO L93 Difference]: Finished difference Result 11 states and 13 transitions. [2020-10-22 00:46:46,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 00:46:46,109 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-10-22 00:46:46,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 00:46:46,109 INFO L225 Difference]: With dead ends: 11 [2020-10-22 00:46:46,109 INFO L226 Difference]: Without dead ends: 10 [2020-10-22 00:46:46,110 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 00:46:46,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2020-10-22 00:46:46,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2020-10-22 00:46:46,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-10-22 00:46:46,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 12 transitions. [2020-10-22 00:46:46,114 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 12 transitions. Word has length 3 [2020-10-22 00:46:46,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 00:46:46,115 INFO L481 AbstractCegarLoop]: Abstraction has 10 states and 12 transitions. [2020-10-22 00:46:46,115 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 00:46:46,115 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2020-10-22 00:46:46,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-22 00:46:46,115 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:46:46,116 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-22 00:46:46,116 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-22 00:46:46,116 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 00:46:46,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:46:46,117 INFO L82 PathProgramCache]: Analyzing trace with hash 411283382, now seen corresponding path program 1 times [2020-10-22 00:46:46,118 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:46:46,118 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293811270] [2020-10-22 00:46:46,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:46:46,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 00:46:46,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 00:46:46,209 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293811270] [2020-10-22 00:46:46,210 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 00:46:46,210 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 00:46:46,210 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [60535862] [2020-10-22 00:46:46,210 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 00:46:46,211 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 00:46:46,213 INFO L252 McrAutomatonBuilder]: Finished intersection with 6 states and 5 transitions. [2020-10-22 00:46:46,213 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 00:46:46,213 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 00:46:46,214 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 00:46:46,214 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 00:46:46,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 00:46:46,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 00:46:46,214 INFO L87 Difference]: Start difference. First operand 10 states and 12 transitions. Second operand 3 states. [2020-10-22 00:46:46,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 00:46:46,227 INFO L93 Difference]: Finished difference Result 10 states and 10 transitions. [2020-10-22 00:46:46,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 00:46:46,228 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-10-22 00:46:46,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 00:46:46,229 INFO L225 Difference]: With dead ends: 10 [2020-10-22 00:46:46,229 INFO L226 Difference]: Without dead ends: 7 [2020-10-22 00:46:46,229 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 00:46:46,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2020-10-22 00:46:46,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2020-10-22 00:46:46,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-10-22 00:46:46,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 6 transitions. [2020-10-22 00:46:46,231 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 6 transitions. Word has length 5 [2020-10-22 00:46:46,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 00:46:46,232 INFO L481 AbstractCegarLoop]: Abstraction has 7 states and 6 transitions. [2020-10-22 00:46:46,232 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 00:46:46,232 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2020-10-22 00:46:46,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-22 00:46:46,232 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:46:46,233 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-10-22 00:46:46,233 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-22 00:46:46,233 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 00:46:46,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:46:46,234 INFO L82 PathProgramCache]: Analyzing trace with hash -135112834, now seen corresponding path program 1 times [2020-10-22 00:46:46,235 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:46:46,235 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342580515] [2020-10-22 00:46:46,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:46:46,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-22 00:46:46,272 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-22 00:46:46,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-22 00:46:46,296 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-22 00:46:46,337 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-22 00:46:46,337 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-22 00:46:46,337 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-22 00:46:46,338 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-22 00:46:46,344 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [401] [401] ULTIMATE.startENTRY-->L1711: Formula: (let ((.cse4 (store |#valid_In-16366933| 0 0))) (let ((.cse0 (store .cse4 |#t~string30.base_Out-16366933| 1))) (let ((.cse5 (store .cse0 |#t~string31.base_Out-16366933| 1))) (let ((.cse2 (select |#memory_int_In-16366933| |#t~string30.base_Out-16366933|)) (.cse1 (select |#memory_int_In-16366933| |~#mutex~0.base_Out-16366933|)) (.cse3 (store .cse5 |~#t1~0.base_Out-16366933| 1))) (and (= (select .cse0 |#t~string31.base_Out-16366933|) 0) (= (select .cse1 (+ |~#mutex~0.offset_Out-16366933| 8)) 0) (< |#StackHeapBarrier_In-16366933| |~#mutex~0.base_Out-16366933|) (= (select .cse1 (+ |~#mutex~0.offset_Out-16366933| 16)) 0) (= (select .cse1 (+ |~#mutex~0.offset_Out-16366933| 4)) 0) (= (select (select |#memory_int_In-16366933| |~#t1~0.base_Out-16366933|) |~#t1~0.offset_Out-16366933|) 0) (= 0 |#t~string30.offset_Out-16366933|) (= ~pdev~0_Out-16366933 1) (< |#StackHeapBarrier_In-16366933| |#t~string31.base_Out-16366933|) (< |#StackHeapBarrier_In-16366933| |~#t1~0.base_Out-16366933|) (= (select .cse2 (+ |#t~string30.offset_Out-16366933| 1)) 0) (= 48 (select .cse2 |#t~string30.offset_Out-16366933|)) (= |ULTIMATE.start_reach_error_#t~nondet32.offset_In-16366933| |ULTIMATE.start_reach_error_#t~nondet32.offset_Out-16366933|) (= |#NULL.offset_Out-16366933| 0) (= |ULTIMATE.start_ldv_assert_#in~expression_Out-16366933| 1) (= (select .cse1 (+ |~#mutex~0.offset_Out-16366933| 12)) 0) (= |#t~string31.offset_Out-16366933| 0) (= |~#t1~0.offset_Out-16366933| 0) (= |#valid_Out-16366933| (store .cse3 |~#mutex~0.base_Out-16366933| 1)) (= |#length_Out-16366933| (store (store (store (store |#length_In-16366933| |#t~string30.base_Out-16366933| 2) |#t~string31.base_Out-16366933| 16) |~#t1~0.base_Out-16366933| 4) |~#mutex~0.base_Out-16366933| 24)) (< 0 |#StackHeapBarrier_In-16366933|) (= (select .cse4 |#t~string30.base_Out-16366933|) 0) (<= 0 (+ |ULTIMATE.start_module_init_#t~nondet34_Out-16366933| 2147483648)) (= (select .cse5 |~#t1~0.base_Out-16366933|) 0) (< |#StackHeapBarrier_In-16366933| |#t~string30.base_Out-16366933|) (= |ULTIMATE.start_ldv_assert_#in~expression_Out-16366933| ULTIMATE.start_ldv_assert_~expression_Out-16366933) (= |ULTIMATE.start_reach_error_#t~nondet32.base_In-16366933| |ULTIMATE.start_reach_error_#t~nondet32.base_Out-16366933|) (= (select .cse1 |~#mutex~0.offset_Out-16366933|) 0) (= |#NULL.base_Out-16366933| 0) (= (store |#pthreadsMutex_In-16366933| |~#mutex~0.base_Out-16366933| (store (select |#pthreadsMutex_In-16366933| |~#mutex~0.base_Out-16366933|) |~#mutex~0.offset_Out-16366933| 0)) |#pthreadsMutex_Out-16366933|) (= (select .cse3 |~#mutex~0.base_Out-16366933|) 0) (<= |ULTIMATE.start_module_init_#t~nondet34_Out-16366933| 2147483647) (= |~#mutex~0.offset_Out-16366933| 0)))))) InVars {#pthreadsMutex=|#pthreadsMutex_In-16366933|, #StackHeapBarrier=|#StackHeapBarrier_In-16366933|, ULTIMATE.start_reach_error_#t~nondet32.offset=|ULTIMATE.start_reach_error_#t~nondet32.offset_In-16366933|, #valid=|#valid_In-16366933|, #memory_int=|#memory_int_In-16366933|, ULTIMATE.start_reach_error_#t~nondet32.base=|ULTIMATE.start_reach_error_#t~nondet32.base_In-16366933|, #length=|#length_In-16366933|} OutVars{ULTIMATE.start_module_init_#res=|ULTIMATE.start_module_init_#res_Out-16366933|, ~#mutex~0.base=|~#mutex~0.base_Out-16366933|, ULTIMATE.start_module_init_#t~nondet35=|ULTIMATE.start_module_init_#t~nondet35_Out-16366933|, #t~string31.offset=|#t~string31.offset_Out-16366933|, ULTIMATE.start_module_init_#t~nondet34=|ULTIMATE.start_module_init_#t~nondet34_Out-16366933|, #NULL.offset=|#NULL.offset_Out-16366933|, ~#t1~0.offset=|~#t1~0.offset_Out-16366933|, ULTIMATE.start_ldv_assert_~expression=ULTIMATE.start_ldv_assert_~expression_Out-16366933, ~#t1~0.base=|~#t1~0.base_Out-16366933|, #t~string30.base=|#t~string30.base_Out-16366933|, #t~string30.offset=|#t~string30.offset_Out-16366933|, #length=|#length_Out-16366933|, #pthreadsMutex=|#pthreadsMutex_Out-16366933|, ULTIMATE.start_reach_error_#t~nondet32.offset=|ULTIMATE.start_reach_error_#t~nondet32.offset_Out-16366933|, ~#mutex~0.offset=|~#mutex~0.offset_Out-16366933|, ULTIMATE.start_ldv_assert_#in~expression=|ULTIMATE.start_ldv_assert_#in~expression_Out-16366933|, #NULL.base=|#NULL.base_Out-16366933|, ULTIMATE.start_main_#t~ret38=|ULTIMATE.start_main_#t~ret38_Out-16366933|, #t~string31.base=|#t~string31.base_Out-16366933|, #StackHeapBarrier=|#StackHeapBarrier_In-16366933|, ~pdev~0=~pdev~0_Out-16366933, ULTIMATE.start_main_#res=|ULTIMATE.start_main_#res_Out-16366933|, #valid=|#valid_Out-16366933|, #memory_int=|#memory_int_In-16366933|, ULTIMATE.start_reach_error_#t~nondet32.base=|ULTIMATE.start_reach_error_#t~nondet32.base_Out-16366933|} AuxVars[] AssignedVars[ULTIMATE.start_module_init_#res, #pthreadsMutex, ~#mutex~0.base, ULTIMATE.start_reach_error_#t~nondet32.offset, ULTIMATE.start_module_init_#t~nondet35, #t~string31.offset, ~#mutex~0.offset, ULTIMATE.start_module_init_#t~nondet34, #NULL.offset, ~#t1~0.offset, ULTIMATE.start_ldv_assert_#in~expression, ULTIMATE.start_ldv_assert_~expression, #NULL.base, ULTIMATE.start_main_#t~ret38, #t~string31.base, ~#t1~0.base, #t~string30.base, #t~string30.offset, ~pdev~0, ULTIMATE.start_main_#res, #valid, ULTIMATE.start_reach_error_#t~nondet32.base, #length] because there is no mapped edge [2020-10-22 00:46:46,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 12:46:46 BasicIcfg [2020-10-22 00:46:46,373 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-22 00:46:46,375 INFO L168 Benchmark]: Toolchain (without parser) took 7611.15 ms. Allocated memory was 146.3 MB in the beginning and 294.6 MB in the end (delta: 148.4 MB). Free memory was 99.2 MB in the beginning and 182.3 MB in the end (delta: -83.0 MB). Peak memory consumption was 65.4 MB. Max. memory is 7.1 GB. [2020-10-22 00:46:46,375 INFO L168 Benchmark]: CDTParser took 2.47 ms. Allocated memory is still 146.3 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-22 00:46:46,378 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1410.34 ms. Allocated memory was 146.3 MB in the beginning and 235.9 MB in the end (delta: 89.7 MB). Free memory was 98.4 MB in the beginning and 167.1 MB in the end (delta: -68.7 MB). Peak memory consumption was 75.1 MB. Max. memory is 7.1 GB. [2020-10-22 00:46:46,379 INFO L168 Benchmark]: Boogie Procedure Inliner took 123.48 ms. Allocated memory is still 235.9 MB. Free memory was 167.1 MB in the beginning and 164.1 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2020-10-22 00:46:46,385 INFO L168 Benchmark]: Boogie Preprocessor took 50.98 ms. Allocated memory is still 235.9 MB. Free memory was 164.1 MB in the beginning and 161.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2020-10-22 00:46:46,386 INFO L168 Benchmark]: RCFGBuilder took 791.60 ms. Allocated memory is still 235.9 MB. Free memory was 161.2 MB in the beginning and 116.4 MB in the end (delta: 44.8 MB). Peak memory consumption was 44.8 MB. Max. memory is 7.1 GB. [2020-10-22 00:46:46,387 INFO L168 Benchmark]: TraceAbstraction took 5223.43 ms. Allocated memory was 235.9 MB in the beginning and 294.6 MB in the end (delta: 58.7 MB). Free memory was 114.9 MB in the beginning and 182.3 MB in the end (delta: -67.3 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-22 00:46:46,399 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.47 ms. Allocated memory is still 146.3 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1410.34 ms. Allocated memory was 146.3 MB in the beginning and 235.9 MB in the end (delta: 89.7 MB). Free memory was 98.4 MB in the beginning and 167.1 MB in the end (delta: -68.7 MB). Peak memory consumption was 75.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 123.48 ms. Allocated memory is still 235.9 MB. Free memory was 167.1 MB in the beginning and 164.1 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 50.98 ms. Allocated memory is still 235.9 MB. Free memory was 164.1 MB in the beginning and 161.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 791.60 ms. Allocated memory is still 235.9 MB. Free memory was 161.2 MB in the beginning and 116.4 MB in the end (delta: 44.8 MB). Peak memory consumption was 44.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5223.43 ms. Allocated memory was 235.9 MB in the beginning and 294.6 MB in the end (delta: 58.7 MB). Free memory was 114.9 MB in the beginning and 182.3 MB in the end (delta: -67.3 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 130 VarBasedMoverChecksPositive, 13 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 4 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 4.2s, 95 PlacesBefore, 17 PlacesAfterwards, 99 TransitionsBefore, 15 TransitionsAfterwards, 238 CoEnabledTransitionPairs, 7 FixpointIterations, 82 TrivialSequentialCompositions, 16 ConcurrentSequentialCompositions, 15 TrivialYvCompositions, 8 ConcurrentYvCompositions, 6 ChoiceCompositions, 127 TotalNumberOfCompositions, 333 MoverChecksTotal - CounterExampleResult [Line: 1693]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L1711] COND TRUE 0 __VERIFIER_nondet_int() [L1712] FCALL, FORK 0 pthread_create(&t1, ((void *)0), thread1, ((void *)0)) VAL [arg={0:0}, mutex={9:0}, pdev=1, t1={7:0}] [L1713] 0 return 0; [L1734] COND FALSE 0 !(module_init()!=0) [L1721] 0 void *status; [L1723] 0 pdev = 4 VAL [arg={0:0}, mutex={9:0}, pdev=4, t1={7:0}] [L1702] 1 pdev = 6 [L1705] 1 return 0; [L1695] COND TRUE 0 !expression [L1693] COND FALSE 0 !(0) [L1693] 0 __assert_fail ("0", "race-1_3-join.c", 10, __extension__ __PRETTY_FUNCTION__) VAL [\result={0:0}, arg={0:0}, arg={0:0}, mutex={9:0}, pdev=6, t1={7:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 92 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 5.0s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.2s, HoareTripleCheckerStatistics: 25 SDtfs, 0 SDslu, 5 SDs, 0 SdLazy, 7 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 36 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 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...