./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/13-privatized_19-publish-precision_unknown_2_pos.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e94c40da Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i ./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/13-privatized_19-publish-precision_unknown_2_pos.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-dev-e94c40d-m [2024-09-22 23:46:13,919 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-22 23:46:13,988 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-22 23:46:13,992 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-22 23:46:13,992 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-22 23:46:14,011 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-22 23:46:14,012 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-22 23:46:14,012 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-22 23:46:14,014 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-22 23:46:14,017 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-22 23:46:14,018 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-22 23:46:14,018 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-22 23:46:14,018 INFO L153 SettingsManager]: * Use SBE=true [2024-09-22 23:46:14,018 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-22 23:46:14,019 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-22 23:46:14,019 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-22 23:46:14,019 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-22 23:46:14,019 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-22 23:46:14,019 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-22 23:46:14,020 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-22 23:46:14,020 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-22 23:46:14,021 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-22 23:46:14,021 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-22 23:46:14,022 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-22 23:46:14,022 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-22 23:46:14,022 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-22 23:46:14,022 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-22 23:46:14,022 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-22 23:46:14,023 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-22 23:46:14,023 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-22 23:46:14,023 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-22 23:46:14,023 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-22 23:46:14,023 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-22 23:46:14,023 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-22 23:46:14,024 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-22 23:46:14,024 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-22 23:46:14,025 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-22 23:46:14,025 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-22 23:46:14,026 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-22 23:46:14,026 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-22 23:46:14,026 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-22 23:46:14,026 INFO L153 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/UGemCutter-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-09-22 23:46:14,270 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-22 23:46:14,298 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-22 23:46:14,300 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-22 23:46:14,301 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-22 23:46:14,302 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-22 23:46:14,303 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/13-privatized_19-publish-precision_unknown_2_pos.yml/witness.yml [2024-09-22 23:46:14,408 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-22 23:46:14,409 INFO L274 PluginConnector]: CDTParser initialized [2024-09-22 23:46:14,409 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i [2024-09-22 23:46:15,790 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-22 23:46:16,050 INFO L384 CDTParser]: Found 1 translation units. [2024-09-22 23:46:16,051 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i [2024-09-22 23:46:16,063 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/1f48b2219/bb780bf6430643148a07c03addd26ed1/FLAGf730ded06 [2024-09-22 23:46:16,075 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/1f48b2219/bb780bf6430643148a07c03addd26ed1 [2024-09-22 23:46:16,076 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-22 23:46:16,077 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-22 23:46:16,078 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-22 23:46:16,078 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-22 23:46:16,083 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-22 23:46:16,084 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.09 11:46:14" (1/2) ... [2024-09-22 23:46:16,084 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39e1ae48 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.09 11:46:16, skipping insertion in model container [2024-09-22 23:46:16,095 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.09 11:46:14" (1/2) ... [2024-09-22 23:46:16,096 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@49c59e2f and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.09 11:46:16, skipping insertion in model container [2024-09-22 23:46:16,097 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.09 11:46:16" (2/2) ... [2024-09-22 23:46:16,097 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39e1ae48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 11:46:16, skipping insertion in model container [2024-09-22 23:46:16,097 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.09 11:46:16" (2/2) ... [2024-09-22 23:46:16,125 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-22 23:46:16,125 INFO L1541 ArrayList]: Location invariant before [L698-L698] ((! multithreaded || (glob1 == 0 || glob1 == 5)) && (! multithreaded || (mutex1_locked || glob1 == 0))) && (! multithreaded || (mutex2_locked || (glob1 == 0 || glob1 == 5))) [2024-09-22 23:46:16,126 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-09-22 23:46:16,126 INFO L1541 ArrayList]: ghost_variable mutex2_locked = 0 [2024-09-22 23:46:16,126 INFO L1541 ArrayList]: ghost_variable mutex1_locked = 0 [2024-09-22 23:46:16,126 INFO L1541 ArrayList]: ghost_update [L689-L689] mutex2_locked = 1; [2024-09-22 23:46:16,126 INFO L1541 ArrayList]: ghost_update [L691-L691] mutex2_locked = 0; [2024-09-22 23:46:16,126 INFO L1541 ArrayList]: ghost_update [L692-L692] mutex1_locked = 0; [2024-09-22 23:46:16,127 INFO L1541 ArrayList]: ghost_update [L698-L698] mutex2_locked = 1; [2024-09-22 23:46:16,127 INFO L1541 ArrayList]: ghost_update [L686-L686] mutex2_locked = 1; [2024-09-22 23:46:16,127 INFO L1541 ArrayList]: ghost_update [L700-L700] mutex2_locked = 0; [2024-09-22 23:46:16,127 INFO L1541 ArrayList]: ghost_update [L685-L685] mutex1_locked = 1; [2024-09-22 23:46:16,127 INFO L1541 ArrayList]: ghost_update [L688-L688] mutex2_locked = 0; [2024-09-22 23:46:16,127 INFO L1541 ArrayList]: ghost_update [L697-L697] multithreaded = 1; [2024-09-22 23:46:16,163 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-22 23:46:16,327 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i[1103,1116] [2024-09-22 23:46:16,466 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-22 23:46:16,486 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-22 23:46:16,522 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i[1103,1116] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-22 23:46:16,571 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-22 23:46:16,606 INFO L204 MainTranslator]: Completed translation [2024-09-22 23:46:16,607 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 11:46:16 WrapperNode [2024-09-22 23:46:16,607 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-22 23:46:16,608 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-22 23:46:16,608 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-22 23:46:16,609 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-22 23:46:16,616 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 11:46:16" (1/1) ... [2024-09-22 23:46:16,640 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 11:46:16" (1/1) ... [2024-09-22 23:46:16,664 INFO L138 Inliner]: procedures = 162, calls = 28, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 54 [2024-09-22 23:46:16,667 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-22 23:46:16,668 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-22 23:46:16,668 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-22 23:46:16,669 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-22 23:46:16,677 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 11:46:16" (1/1) ... [2024-09-22 23:46:16,677 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 11:46:16" (1/1) ... [2024-09-22 23:46:16,683 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 11:46:16" (1/1) ... [2024-09-22 23:46:16,683 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 11:46:16" (1/1) ... [2024-09-22 23:46:16,691 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 11:46:16" (1/1) ... [2024-09-22 23:46:16,697 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 11:46:16" (1/1) ... [2024-09-22 23:46:16,698 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 11:46:16" (1/1) ... [2024-09-22 23:46:16,699 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 11:46:16" (1/1) ... [2024-09-22 23:46:16,702 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-22 23:46:16,703 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-22 23:46:16,703 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-22 23:46:16,703 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-22 23:46:16,704 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 11:46:16" (1/1) ... [2024-09-22 23:46:16,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-22 23:46:16,718 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 23:46:16,738 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-09-22 23:46:16,741 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-09-22 23:46:16,793 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-09-22 23:46:16,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-22 23:46:16,795 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-09-22 23:46:16,795 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-09-22 23:46:16,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-22 23:46:16,796 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-09-22 23:46:16,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-22 23:46:16,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-22 23:46:16,798 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-09-22 23:46:16,943 INFO L242 CfgBuilder]: Building ICFG [2024-09-22 23:46:16,946 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-22 23:46:17,119 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-22 23:46:17,121 INFO L291 CfgBuilder]: Performing block encoding [2024-09-22 23:46:17,230 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-22 23:46:17,230 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-22 23:46:17,231 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.09 11:46:17 BoogieIcfgContainer [2024-09-22 23:46:17,231 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-22 23:46:17,233 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-22 23:46:17,233 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-22 23:46:17,236 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-22 23:46:17,236 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.09 11:46:14" (1/4) ... [2024-09-22 23:46:17,238 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@323e697c and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 22.09 11:46:17, skipping insertion in model container [2024-09-22 23:46:17,238 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.09 11:46:16" (2/4) ... [2024-09-22 23:46:17,238 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@323e697c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.09 11:46:17, skipping insertion in model container [2024-09-22 23:46:17,239 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 11:46:16" (3/4) ... [2024-09-22 23:46:17,239 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@323e697c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.09 11:46:17, skipping insertion in model container [2024-09-22 23:46:17,240 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.09 11:46:17" (4/4) ... [2024-09-22 23:46:17,241 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_2_pos.i [2024-09-22 23:46:17,256 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-22 23:46:17,256 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-09-22 23:46:17,257 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-22 23:46:17,292 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-09-22 23:46:17,339 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-22 23:46:17,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-22 23:46:17,340 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 23:46:17,342 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-09-22 23:46:17,344 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-09-22 23:46:17,387 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-22 23:46:17,401 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-22 23:46:17,409 INFO L336 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, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@71d85469, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-22 23:46:17,410 INFO L337 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-09-22 23:46:17,572 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-09-22 23:46:17,576 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 23:46:17,576 INFO L85 PathProgramCache]: Analyzing trace with hash 1677290925, now seen corresponding path program 1 times [2024-09-22 23:46:17,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 23:46:17,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59572366] [2024-09-22 23:46:17,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 23:46:17,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 23:46:17,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 23:46:17,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 23:46:17,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 23:46:17,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59572366] [2024-09-22 23:46:17,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [59572366] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-22 23:46:17,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-22 23:46:17,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-22 23:46:17,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825200482] [2024-09-22 23:46:17,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-22 23:46:17,967 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-22 23:46:17,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 23:46:17,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-22 23:46:17,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-22 23:46:17,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 23:46:17,990 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 23:46:17,991 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-22 23:46:17,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 23:46:18,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 23:46:18,035 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-22 23:46:18,036 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-09-22 23:46:18,036 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 23:46:18,036 INFO L85 PathProgramCache]: Analyzing trace with hash -916626398, now seen corresponding path program 1 times [2024-09-22 23:46:18,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 23:46:18,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364737473] [2024-09-22 23:46:18,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 23:46:18,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 23:46:18,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-09-22 23:46:18,086 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-09-22 23:46:18,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-09-22 23:46:18,144 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-09-22 23:46:18,144 INFO L326 BasicCegarLoop]: Counterexample is feasible [2024-09-22 23:46:18,146 INFO L785 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-09-22 23:46:18,147 INFO L785 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 3 remaining) [2024-09-22 23:46:18,148 INFO L785 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-09-22 23:46:18,148 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-09-22 23:46:18,153 INFO L408 BasicCegarLoop]: Path program histogram: [1, 1] [2024-09-22 23:46:18,187 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-09-22 23:46:18,187 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-09-22 23:46:18,190 INFO L469 ceAbstractionStarter]: Automizer considered 1 witness invariants [2024-09-22 23:46:18,190 INFO L470 ceAbstractionStarter]: WitnessConsidered=1 [2024-09-22 23:46:18,190 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.09 11:46:18 BasicIcfg [2024-09-22 23:46:18,190 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-09-22 23:46:18,191 INFO L158 Benchmark]: Toolchain (without parser) took 2114.28ms. Allocated memory is still 169.9MB. Free memory was 139.9MB in the beginning and 106.4MB in the end (delta: 33.5MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. [2024-09-22 23:46:18,191 INFO L158 Benchmark]: Witness Parser took 0.21ms. Allocated memory is still 130.0MB. Free memory is still 88.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-22 23:46:18,192 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 130.0MB. Free memory is still 102.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-22 23:46:18,192 INFO L158 Benchmark]: CACSL2BoogieTranslator took 529.50ms. Allocated memory is still 169.9MB. Free memory was 139.7MB in the beginning and 117.4MB in the end (delta: 22.3MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. [2024-09-22 23:46:18,193 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.50ms. Allocated memory is still 169.9MB. Free memory was 117.4MB in the beginning and 115.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-22 23:46:18,193 INFO L158 Benchmark]: Boogie Preprocessor took 33.90ms. Allocated memory is still 169.9MB. Free memory was 115.3MB in the beginning and 114.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-22 23:46:18,193 INFO L158 Benchmark]: RCFGBuilder took 528.43ms. Allocated memory is still 169.9MB. Free memory was 114.2MB in the beginning and 88.0MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-09-22 23:46:18,194 INFO L158 Benchmark]: TraceAbstraction took 957.94ms. Allocated memory is still 169.9MB. Free memory was 87.0MB in the beginning and 106.4MB in the end (delta: -19.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-22 23:46:18,196 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.21ms. Allocated memory is still 130.0MB. Free memory is still 88.8MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.09ms. Allocated memory is still 130.0MB. Free memory is still 102.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 529.50ms. Allocated memory is still 169.9MB. Free memory was 139.7MB in the beginning and 117.4MB in the end (delta: 22.3MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.50ms. Allocated memory is still 169.9MB. Free memory was 117.4MB in the beginning and 115.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.90ms. Allocated memory is still 169.9MB. Free memory was 115.3MB in the beginning and 114.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 528.43ms. Allocated memory is still 169.9MB. Free memory was 114.2MB in the beginning and 88.0MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 957.94ms. Allocated memory is still 169.9MB. Free memory was 87.0MB in the beginning and 106.4MB in the end (delta: -19.5MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 142, independent: 132, independent conditional: 26, independent unconditional: 106, dependent: 10, dependent conditional: 2, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 140, independent: 132, independent conditional: 26, independent unconditional: 106, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 140, independent: 132, independent conditional: 26, independent unconditional: 106, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 140, independent: 132, independent conditional: 26, independent unconditional: 106, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 140, independent: 132, independent conditional: 0, independent unconditional: 132, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 140, independent: 132, independent conditional: 0, independent unconditional: 132, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 114, independent: 106, independent conditional: 0, independent unconditional: 106, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 114, independent: 95, independent conditional: 0, independent unconditional: 95, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 19, independent: 11, independent conditional: 0, independent unconditional: 11, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 19, independent: 11, independent conditional: 0, independent unconditional: 11, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 111, independent: 49, independent conditional: 0, independent unconditional: 49, dependent: 63, dependent conditional: 0, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 140, independent: 26, independent conditional: 0, independent unconditional: 26, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 114, unknown conditional: 0, unknown unconditional: 114] , Statistics on independence cache: Total cache size (in pairs): 114, Positive cache size: 106, Positive conditional cache size: 0, Positive unconditional cache size: 106, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 26, Maximal queried relation: 0, Independence queries for same thread: 2, Persistent sets #1 benchmarks: Persistent set computation time: 0.1s, Number of persistent set computation: 22, Number of trivial persistent sets: 22, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 114, independent: 106, independent conditional: 0, independent unconditional: 106, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 142, independent: 132, independent conditional: 26, independent unconditional: 106, dependent: 10, dependent conditional: 2, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 140, independent: 132, independent conditional: 26, independent unconditional: 106, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 140, independent: 132, independent conditional: 26, independent unconditional: 106, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 140, independent: 132, independent conditional: 26, independent unconditional: 106, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 140, independent: 132, independent conditional: 0, independent unconditional: 132, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 140, independent: 132, independent conditional: 0, independent unconditional: 132, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 114, independent: 106, independent conditional: 0, independent unconditional: 106, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 114, independent: 95, independent conditional: 0, independent unconditional: 95, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 19, independent: 11, independent conditional: 0, independent unconditional: 11, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 19, independent: 11, independent conditional: 0, independent unconditional: 11, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 111, independent: 49, independent conditional: 0, independent unconditional: 49, dependent: 63, dependent conditional: 0, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 140, independent: 26, independent conditional: 0, independent unconditional: 26, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 114, unknown conditional: 0, unknown unconditional: 114] , Statistics on independence cache: Total cache size (in pairs): 114, Positive cache size: 106, Positive conditional cache size: 0, Positive unconditional cache size: 106, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 26, Maximal queried relation: 0, Independence queries for same thread: 2 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L681] 0 int glob1 = 0; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L1] 0 //@ ghost int multithreaded = 0; [L1] 0 //@ ghost int mutex2_locked = 0; [L1] 0 //@ ghost int mutex1_locked = 0; [L696] 0 pthread_t id; [L697] 0 //@ ghost multithreaded = 1; VAL [glob1=0, id=-1, mutex1={3:0}, mutex2={4:0}] [L697] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [\old(arg)={0:0}, glob1=0, id=-1, mutex1={3:0}, mutex2={4:0}] [L685] 1 //@ ghost mutex1_locked = 1; [L686] 1 //@ ghost mutex2_locked = 1; [L687] 1 glob1 = 5 VAL [\old(arg)={0:0}, arg={0:0}, glob1=5, mutex1={3:0}, mutex2={4:0}] [L688] 1 //@ ghost mutex2_locked = 0; [L689] 1 //@ ghost mutex2_locked = 1; [L690] 1 glob1 = 0 VAL [\old(arg)={0:0}, arg={0:0}, glob1=0, mutex1={3:0}, mutex2={4:0}] [L691] 1 //@ ghost mutex2_locked = 0; [L692] 1 //@ ghost mutex1_locked = 0; [L693] 1 return ((void *)0); [L698] 0 //@ assert (((!multithreaded || ((glob1 == 0) || (glob1 == 5))) && (!multithreaded || (mutex1_locked || (glob1 == 0)))) && (!multithreaded || (mutex2_locked || ((glob1 == 0) || (glob1 == 5))))); VAL [\old(arg)={0:0}, \result={0:0}, arg={0:0}, glob1=0, id=-1, mutex1={3:0}, mutex2={4:0}] [L698] 0 //@ ghost mutex2_locked = 1; [L699] CALL 0 __VERIFIER_assert(glob1 == 5) [L19] COND TRUE 0 !(cond) VAL [\old(arg)={0:0}, \old(cond)=0, \result={0:0}, arg={0:0}, cond=0, glob1=0, mutex1={3:0}, mutex2={4:0}] [L19] 0 reach_error() VAL [\old(arg)={0:0}, \old(cond)=0, \result={0:0}, arg={0:0}, cond=0, glob1=0, mutex1={3:0}, mutex2={4:0}] - UnprovableResult [Line: 698]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 697]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 46 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 3, 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, 0.2s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 29 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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! [2024-09-22 23:46:18,222 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-09-22 23:46:18,424 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE