/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithoutDepranks-Lazy.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_neg.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-10 13:30:27,296 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-10 13:30:27,298 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-10 13:30:27,390 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-10 13:30:27,391 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-10 13:30:27,392 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-10 13:30:27,393 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-10 13:30:27,394 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-10 13:30:27,396 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-10 13:30:27,396 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-10 13:30:27,397 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-10 13:30:27,398 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-10 13:30:27,399 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-10 13:30:27,411 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-10 13:30:27,413 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-10 13:30:27,418 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-10 13:30:27,419 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-10 13:30:27,421 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-10 13:30:27,424 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-10 13:30:27,425 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-10 13:30:27,426 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-10 13:30:27,429 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-10 13:30:27,431 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-10 13:30:27,432 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-10 13:30:27,438 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-10 13:30:27,444 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-10 13:30:27,445 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-10 13:30:27,445 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-10 13:30:27,448 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-MCRwithoutDepranks-Lazy.epf [2022-02-10 13:30:27,467 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-10 13:30:27,467 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-10 13:30:27,467 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-10 13:30:27,468 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-10 13:30:27,468 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-10 13:30:27,468 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-10 13:30:27,469 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-10 13:30:27,469 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-10 13:30:27,469 INFO L138 SettingsManager]: * Use SBE=true [2022-02-10 13:30:27,469 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-10 13:30:27,469 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-10 13:30:27,470 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-10 13:30:27,470 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-10 13:30:27,470 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-10 13:30:27,470 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-10 13:30:27,470 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-10 13:30:27,470 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-10 13:30:27,470 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-10 13:30:27,470 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-10 13:30:27,471 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-10 13:30:27,471 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-10 13:30:27,472 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-10 13:30:27,473 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-10 13:30:27,473 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-10 13:30:27,473 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-10 13:30:27,473 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 13:30:27,473 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-10 13:30:27,473 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-10 13:30:27,474 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-10 13:30:27,474 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-10 13:30:27,474 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-10 13:30:27,474 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-10 13:30:27,474 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-10 13:30:27,474 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-10 13:30:27,474 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-10 13:30:27,475 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-02-10 13:30:27,475 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-10 13:30:27,729 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-10 13:30:27,760 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-10 13:30:27,763 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-10 13:30:27,764 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-10 13:30:27,764 INFO L275 PluginConnector]: CDTParser initialized [2022-02-10 13:30:27,765 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_neg.i [2022-02-10 13:30:27,832 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e03501381/e72dddc312bc4035b621b2e66ec9dacb/FLAGe17a804b1 [2022-02-10 13:30:28,355 INFO L306 CDTParser]: Found 1 translation units. [2022-02-10 13:30:28,355 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_neg.i [2022-02-10 13:30:28,372 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e03501381/e72dddc312bc4035b621b2e66ec9dacb/FLAGe17a804b1 [2022-02-10 13:30:28,661 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e03501381/e72dddc312bc4035b621b2e66ec9dacb [2022-02-10 13:30:28,663 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-10 13:30:28,665 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-10 13:30:28,668 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-10 13:30:28,668 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-10 13:30:28,672 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-10 13:30:28,672 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 01:30:28" (1/1) ... [2022-02-10 13:30:28,675 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43f14376 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:30:28, skipping insertion in model container [2022-02-10 13:30:28,675 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 01:30:28" (1/1) ... [2022-02-10 13:30:28,683 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-10 13:30:28,718 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-10 13:30:28,957 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_neg.i[1098,1111] [2022-02-10 13:30:29,137 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 13:30:29,153 INFO L203 MainTranslator]: Completed pre-run [2022-02-10 13:30:29,168 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_neg.i[1098,1111] [2022-02-10 13:30:29,217 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 13:30:29,254 INFO L208 MainTranslator]: Completed translation [2022-02-10 13:30:29,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:30:29 WrapperNode [2022-02-10 13:30:29,255 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-10 13:30:29,256 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-10 13:30:29,256 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-10 13:30:29,256 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-10 13:30:29,263 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:30:29" (1/1) ... [2022-02-10 13:30:29,296 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:30:29" (1/1) ... [2022-02-10 13:30:29,315 INFO L137 Inliner]: procedures = 163, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 59 [2022-02-10 13:30:29,315 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-10 13:30:29,316 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-10 13:30:29,316 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-10 13:30:29,316 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-10 13:30:29,323 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:30:29" (1/1) ... [2022-02-10 13:30:29,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:30:29" (1/1) ... [2022-02-10 13:30:29,330 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:30:29" (1/1) ... [2022-02-10 13:30:29,331 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:30:29" (1/1) ... [2022-02-10 13:30:29,348 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:30:29" (1/1) ... [2022-02-10 13:30:29,350 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:30:29" (1/1) ... [2022-02-10 13:30:29,351 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:30:29" (1/1) ... [2022-02-10 13:30:29,353 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-10 13:30:29,354 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-10 13:30:29,354 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-10 13:30:29,354 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-10 13:30:29,364 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:30:29" (1/1) ... [2022-02-10 13:30:29,371 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 13:30:29,392 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 13:30:29,413 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-10 13:30:29,430 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-10 13:30:29,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-10 13:30:29,464 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-10 13:30:29,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-10 13:30:29,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-10 13:30:29,465 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-10 13:30:29,465 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-10 13:30:29,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-10 13:30:29,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-10 13:30:29,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-10 13:30:29,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-10 13:30:29,467 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-10 13:30:29,601 INFO L234 CfgBuilder]: Building ICFG [2022-02-10 13:30:29,603 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-10 13:30:29,786 INFO L275 CfgBuilder]: Performing block encoding [2022-02-10 13:30:29,793 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-10 13:30:29,793 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-10 13:30:29,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 01:30:29 BoogieIcfgContainer [2022-02-10 13:30:29,796 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-10 13:30:29,798 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-10 13:30:29,798 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-10 13:30:29,809 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-10 13:30:29,810 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.02 01:30:28" (1/3) ... [2022-02-10 13:30:29,811 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b6bcde5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 01:30:29, skipping insertion in model container [2022-02-10 13:30:29,812 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:30:29" (2/3) ... [2022-02-10 13:30:29,812 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b6bcde5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 01:30:29, skipping insertion in model container [2022-02-10 13:30:29,812 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 01:30:29" (3/3) ... [2022-02-10 13:30:29,814 INFO L111 eAbstractionObserver]: Analyzing ICFG 36-apron_17-traces-rpb-litmus_unknown_1_neg.i [2022-02-10 13:30:29,820 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-10 13:30:29,820 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-10 13:30:29,821 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-10 13:30:29,821 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-10 13:30:29,865 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 13:30:29,866 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 13:30:29,867 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 13:30:29,867 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 13:30:29,867 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 13:30:29,867 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 13:30:29,868 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 13:30:29,868 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 13:30:29,868 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 13:30:29,869 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 13:30:29,869 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 13:30:29,869 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 13:30:29,869 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 13:30:29,869 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 13:30:29,870 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 13:30:29,870 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 13:30:29,870 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 13:30:29,871 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 13:30:29,871 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 13:30:29,871 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 13:30:29,875 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 13:30:29,875 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 13:30:29,875 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 13:30:29,876 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 13:30:29,876 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 13:30:29,876 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 13:30:29,878 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-10 13:30:29,922 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-10 13:30:29,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 13:30:29,927 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-10 13:30:29,942 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-10 13:30:29,973 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-10 13:30:29,982 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-10 13:30:29,983 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-02-10 13:30:30,181 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 73 transitions and produced 74 states. [2022-02-10 13:30:30,184 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-10 13:30:30,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 13:30:30,193 INFO L85 PathProgramCache]: Analyzing trace with hash 687613271, now seen corresponding path program 1 times [2022-02-10 13:30:30,202 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 13:30:30,203 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2576192] [2022-02-10 13:30:30,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 13:30:30,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 13:30:30,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-10 13:30:30,367 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-10 13:30:30,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-10 13:30:30,460 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-10 13:30:30,462 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-10 13:30:30,463 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-02-10 13:30:30,466 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 2 remaining) [2022-02-10 13:30:30,466 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-10 13:30:30,478 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2022-02-10 13:30:30,483 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-10 13:30:30,483 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-10 13:30:30,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.02 01:30:30 BasicIcfg [2022-02-10 13:30:30,545 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-10 13:30:30,546 INFO L158 Benchmark]: Toolchain (without parser) took 1880.95ms. Allocated memory was 188.7MB in the beginning and 227.5MB in the end (delta: 38.8MB). Free memory was 136.5MB in the beginning and 124.2MB in the end (delta: 12.4MB). Peak memory consumption was 51.2MB. Max. memory is 8.0GB. [2022-02-10 13:30:30,546 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 188.7MB. Free memory is still 154.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-10 13:30:30,547 INFO L158 Benchmark]: CACSL2BoogieTranslator took 587.01ms. Allocated memory was 188.7MB in the beginning and 227.5MB in the end (delta: 38.8MB). Free memory was 136.4MB in the beginning and 196.5MB in the end (delta: -60.1MB). Peak memory consumption was 10.3MB. Max. memory is 8.0GB. [2022-02-10 13:30:30,547 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.61ms. Allocated memory is still 227.5MB. Free memory was 196.5MB in the beginning and 194.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-10 13:30:30,548 INFO L158 Benchmark]: Boogie Preprocessor took 36.84ms. Allocated memory is still 227.5MB. Free memory was 194.4MB in the beginning and 193.4MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-10 13:30:30,549 INFO L158 Benchmark]: RCFGBuilder took 441.97ms. Allocated memory is still 227.5MB. Free memory was 192.8MB in the beginning and 180.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-02-10 13:30:30,549 INFO L158 Benchmark]: TraceAbstraction took 747.22ms. Allocated memory is still 227.5MB. Free memory was 179.7MB in the beginning and 124.7MB in the end (delta: 55.1MB). Peak memory consumption was 55.6MB. Max. memory is 8.0GB. [2022-02-10 13:30:30,555 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 188.7MB. Free memory is still 154.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 587.01ms. Allocated memory was 188.7MB in the beginning and 227.5MB in the end (delta: 38.8MB). Free memory was 136.4MB in the beginning and 196.5MB in the end (delta: -60.1MB). Peak memory consumption was 10.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 59.61ms. Allocated memory is still 227.5MB. Free memory was 196.5MB in the beginning and 194.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 36.84ms. Allocated memory is still 227.5MB. Free memory was 194.4MB in the beginning and 193.4MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 441.97ms. Allocated memory is still 227.5MB. Free memory was 192.8MB in the beginning and 180.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 747.22ms. Allocated memory is still 227.5MB. Free memory was 179.7MB in the beginning and 124.7MB in the end (delta: 55.1MB). Peak memory consumption was 55.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L682] 0 int g = 42; VAL [g=42] [L683] 0 pthread_mutex_t A = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [A={3:0}, g=42] [L684] 0 pthread_mutex_t B = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [A={3:0}, B={4:0}, g=42] [L694] 0 int r = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=1, A={3:0}, B={4:0}, g=42, r=1] [L695] 0 int t; VAL [A={3:0}, B={4:0}, g=42, r=1] [L696] 0 pthread_t id; VAL [A={3:0}, B={4:0}, g=42, id={5:0}, r=1] [L697] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [A={3:0}, arg={0:0}, B={4:0}, g=42, id={5:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1, r=1] [L700] COND TRUE 0 \read(r) VAL [A={3:0}, arg={0:0}, B={4:0}, g=42, id={5:0}, r=1] [L701] 0 g = 17 VAL [A={3:0}, arg={0:0}, B={4:0}, g=17, id={5:0}, r=1] [L705] 0 t = g VAL [A={3:0}, arg={0:0}, B={4:0}, g=17, id={5:0}, r=1, t=17] [L706] CALL 0 __VERIFIER_assert(!(t == 17)) [L19] COND TRUE 0 !(cond) VAL [\old(cond)=0, A={3:0}, arg={0:0}, B={4:0}, cond=0, g=17] [L19] 0 reach_error() VAL [\old(cond)=0, A={3:0}, arg={0:0}, B={4:0}, cond=0, g=17] - UnprovableResult [Line: 697]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 89 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.2s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 54 NumberOfCodeBlocks, 54 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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! [2022-02-10 13:30:30,599 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2022-02-10 13:30:30,810 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...