./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_34-traces-minepp-L-needs-to-be-um_true.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_34-traces-minepp-L-needs-to-be-um_true.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_34-traces-minepp-L-needs-to-be-um_true.i ./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/13-privatized_34-traces-minepp-L-needs-to-be-um_true.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 17:33:55,798 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-22 17:33:55,882 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-22 17:33:55,888 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-22 17:33:55,889 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-22 17:33:55,917 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-22 17:33:55,918 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-22 17:33:55,918 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-22 17:33:55,919 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-22 17:33:55,920 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-22 17:33:55,923 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-22 17:33:55,923 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-22 17:33:55,923 INFO L153 SettingsManager]: * Use SBE=true [2024-09-22 17:33:55,923 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-22 17:33:55,924 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-22 17:33:55,924 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-22 17:33:55,924 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-22 17:33:55,924 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-22 17:33:55,924 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-22 17:33:55,924 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-22 17:33:55,925 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-22 17:33:55,926 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-22 17:33:55,926 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-22 17:33:55,927 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-22 17:33:55,927 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-22 17:33:55,927 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-22 17:33:55,927 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-22 17:33:55,928 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-22 17:33:55,928 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-22 17:33:55,928 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-22 17:33:55,928 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-22 17:33:55,929 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-22 17:33:55,929 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-22 17:33:55,929 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-22 17:33:55,930 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-22 17:33:55,930 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-22 17:33:55,930 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-22 17:33:55,931 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-22 17:33:55,931 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-22 17:33:55,931 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-22 17:33:55,931 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-22 17:33:55,932 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-09-22 17:33:56,138 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-22 17:33:56,162 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-22 17:33:56,165 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-22 17:33:56,166 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-22 17:33:56,166 INFO L274 PluginConnector]: CDTParser initialized [2024-09-22 17:33:56,167 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_34-traces-minepp-L-needs-to-be-um_true.i [2024-09-22 17:33:57,498 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-22 17:33:57,754 INFO L384 CDTParser]: Found 1 translation units. [2024-09-22 17:33:57,755 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_34-traces-minepp-L-needs-to-be-um_true.i [2024-09-22 17:33:57,772 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/6f64cad55/cd183b8851f9411184ff10ab693e0141/FLAGd56ac1555 [2024-09-22 17:33:58,064 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/6f64cad55/cd183b8851f9411184ff10ab693e0141 [2024-09-22 17:33:58,066 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-22 17:33:58,067 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-22 17:33:58,068 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/13-privatized_34-traces-minepp-L-needs-to-be-um_true.yml/witness.yml [2024-09-22 17:33:58,147 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-22 17:33:58,148 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-22 17:33:58,151 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-22 17:33:58,151 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-22 17:33:58,156 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-22 17:33:58,156 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.09 05:33:58" (1/2) ... [2024-09-22 17:33:58,157 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fec19cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 05:33:58, skipping insertion in model container [2024-09-22 17:33:58,157 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.09 05:33:58" (1/2) ... [2024-09-22 17:33:58,159 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@601a40d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 05:33:58, skipping insertion in model container [2024-09-22 17:33:58,159 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.09 05:33:58" (2/2) ... [2024-09-22 17:33:58,160 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fec19cd and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.09 05:33:58, skipping insertion in model container [2024-09-22 17:33:58,160 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.09 05:33:58" (2/2) ... [2024-09-22 17:33:58,215 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-22 17:33:58,218 INFO L1541 ArrayList]: Location invariant before [L702-L702] (((! multithreaded || (C_locked || (g == 15 || g == 42))) && (! multithreaded || (g == 15 || g == 42))) && (! multithreaded || (B_locked || g == 42))) && (! multithreaded || (A_locked || g == 42)) [2024-09-22 17:33:58,218 INFO L1541 ArrayList]: ghost_variable B_locked = 0 [2024-09-22 17:33:58,218 INFO L1541 ArrayList]: ghost_variable C_locked = 0 [2024-09-22 17:33:58,218 INFO L1541 ArrayList]: ghost_variable A_locked = 0 [2024-09-22 17:33:58,218 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-09-22 17:33:58,219 INFO L1541 ArrayList]: ghost_update [L696-L696] A_locked = 0; [2024-09-22 17:33:58,219 INFO L1541 ArrayList]: ghost_update [L691-L691] C_locked = 0; [2024-09-22 17:33:58,219 INFO L1541 ArrayList]: ghost_update [L705-L705] C_locked = 1; [2024-09-22 17:33:58,219 INFO L1541 ArrayList]: ghost_update [L710-L710] C_locked = 1; [2024-09-22 17:33:58,219 INFO L1541 ArrayList]: ghost_update [L689-L689] C_locked = 1; [2024-09-22 17:33:58,219 INFO L1541 ArrayList]: ghost_update [L701-L701] multithreaded = 1; [2024-09-22 17:33:58,219 INFO L1541 ArrayList]: ghost_update [L704-L704] A_locked = 1; [2024-09-22 17:33:58,219 INFO L1541 ArrayList]: ghost_update [L687-L687] A_locked = 1; [2024-09-22 17:33:58,219 INFO L1541 ArrayList]: ghost_update [L709-L709] B_locked = 1; [2024-09-22 17:33:58,240 INFO L1541 ArrayList]: ghost_update [L695-L695] B_locked = 0; [2024-09-22 17:33:58,241 INFO L1541 ArrayList]: ghost_update [L692-L692] C_locked = 1; [2024-09-22 17:33:58,241 INFO L1541 ArrayList]: ghost_update [L706-L706] A_locked = 0; [2024-09-22 17:33:58,241 INFO L1541 ArrayList]: ghost_update [L711-L711] B_locked = 0; [2024-09-22 17:33:58,241 INFO L1541 ArrayList]: ghost_update [L694-L694] C_locked = 0; [2024-09-22 17:33:58,241 INFO L1541 ArrayList]: ghost_update [L688-L688] B_locked = 1; [2024-09-22 17:33:58,279 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-22 17:33:58,414 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_34-traces-minepp-L-needs-to-be-um_true.i[1107,1120] [2024-09-22 17:33:58,549 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-22 17:33:58,563 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-22 17:33:58,597 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_34-traces-minepp-L-needs-to-be-um_true.i[1107,1120] 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 Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-22 17:33:58,658 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-22 17:33:58,707 INFO L204 MainTranslator]: Completed translation [2024-09-22 17:33:58,708 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.09 05:33:58 WrapperNode [2024-09-22 17:33:58,709 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-22 17:33:58,710 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-22 17:33:58,710 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-22 17:33:58,711 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-22 17:33:58,717 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.09 05:33:58" (1/1) ... [2024-09-22 17:33:58,734 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.09 05:33:58" (1/1) ... [2024-09-22 17:33:58,756 INFO L138 Inliner]: procedures = 163, calls = 40, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 82 [2024-09-22 17:33:58,757 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-22 17:33:58,758 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-22 17:33:58,758 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-22 17:33:58,758 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-22 17:33:58,766 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.09 05:33:58" (1/1) ... [2024-09-22 17:33:58,768 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.09 05:33:58" (1/1) ... [2024-09-22 17:33:58,770 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.09 05:33:58" (1/1) ... [2024-09-22 17:33:58,773 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.09 05:33:58" (1/1) ... [2024-09-22 17:33:58,781 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.09 05:33:58" (1/1) ... [2024-09-22 17:33:58,783 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.09 05:33:58" (1/1) ... [2024-09-22 17:33:58,787 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.09 05:33:58" (1/1) ... [2024-09-22 17:33:58,788 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.09 05:33:58" (1/1) ... [2024-09-22 17:33:58,790 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-22 17:33:58,795 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-22 17:33:58,795 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-22 17:33:58,795 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-22 17:33:58,796 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.09 05:33:58" (1/1) ... [2024-09-22 17:33:58,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-22 17:33:58,811 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 17:33:58,825 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 17:33:58,827 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 17:33:58,866 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-09-22 17:33:58,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-22 17:33:58,867 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-09-22 17:33:58,867 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-09-22 17:33:58,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-22 17:33:58,868 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-09-22 17:33:58,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-22 17:33:58,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-22 17:33:58,870 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 17:33:58,975 INFO L242 CfgBuilder]: Building ICFG [2024-09-22 17:33:58,976 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-22 17:33:59,151 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-22 17:33:59,151 INFO L291 CfgBuilder]: Performing block encoding [2024-09-22 17:33:59,308 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-22 17:33:59,309 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-22 17:33:59,309 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.09 05:33:59 BoogieIcfgContainer [2024-09-22 17:33:59,309 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-22 17:33:59,312 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-22 17:33:59,312 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-22 17:33:59,315 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-22 17:33:59,316 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.09 05:33:58" (1/4) ... [2024-09-22 17:33:59,317 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fef4c62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.09 05:33:59, skipping insertion in model container [2024-09-22 17:33:59,317 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.09 05:33:58" (2/4) ... [2024-09-22 17:33:59,317 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fef4c62 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 22.09 05:33:59, skipping insertion in model container [2024-09-22 17:33:59,317 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.09 05:33:58" (3/4) ... [2024-09-22 17:33:59,318 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fef4c62 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 22.09 05:33:59, skipping insertion in model container [2024-09-22 17:33:59,318 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.09 05:33:59" (4/4) ... [2024-09-22 17:33:59,319 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_34-traces-minepp-L-needs-to-be-um_true.i [2024-09-22 17:33:59,333 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-22 17:33:59,333 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-09-22 17:33:59,333 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-22 17:33:59,365 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-09-22 17:33:59,406 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-22 17:33:59,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-22 17:33:59,407 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 17:33:59,409 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 17:33:59,410 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 17:33:59,449 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-22 17:33:59,463 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-22 17:33:59,468 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;@72fe5bdc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-22 17:33:59,468 INFO L337 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-09-22 17:33:59,640 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 17:33:59,645 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 17:33:59,645 INFO L85 PathProgramCache]: Analyzing trace with hash -522950384, now seen corresponding path program 1 times [2024-09-22 17:33:59,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 17:33:59,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450773723] [2024-09-22 17:33:59,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 17:33:59,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 17:33:59,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 17:34:00,024 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 17:34:00,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 17:34:00,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450773723] [2024-09-22 17:34:00,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450773723] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-22 17:34:00,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-22 17:34:00,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-22 17:34:00,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254635012] [2024-09-22 17:34:00,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-22 17:34:00,033 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-22 17:34:00,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 17:34:00,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-22 17:34:00,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-22 17:34:00,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 17:34:00,053 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 17:34:00,054 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 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 17:34:00,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 17:34:00,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 17:34:00,108 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-22 17:34:00,109 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 17:34:00,109 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 17:34:00,109 INFO L85 PathProgramCache]: Analyzing trace with hash 1615630091, now seen corresponding path program 1 times [2024-09-22 17:34:00,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 17:34:00,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250184760] [2024-09-22 17:34:00,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 17:34:00,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 17:34:00,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 17:34:00,292 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 17:34:00,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 17:34:00,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250184760] [2024-09-22 17:34:00,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [250184760] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-22 17:34:00,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-22 17:34:00,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-22 17:34:00,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684265407] [2024-09-22 17:34:00,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-22 17:34:00,295 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-22 17:34:00,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 17:34:00,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-22 17:34:00,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-09-22 17:34:00,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 17:34:00,296 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 17:34:00,297 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 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 17:34:00,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 17:34:00,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 17:34:00,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 17:34:00,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 17:34:00,594 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-09-22 17:34:00,594 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-09-22 17:34:00,594 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 17:34:00,594 INFO L85 PathProgramCache]: Analyzing trace with hash -512037, now seen corresponding path program 1 times [2024-09-22 17:34:00,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 17:34:00,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381054178] [2024-09-22 17:34:00,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 17:34:00,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 17:34:00,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 17:34:00,750 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 17:34:00,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 17:34:00,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381054178] [2024-09-22 17:34:00,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381054178] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-22 17:34:00,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-22 17:34:00,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-22 17:34:00,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778375417] [2024-09-22 17:34:00,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-22 17:34:00,753 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-22 17:34:00,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 17:34:00,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-22 17:34:00,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-09-22 17:34:00,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 17:34:00,756 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 17:34:00,756 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 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 17:34:00,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 17:34:00,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 17:34:00,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 17:34:00,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 17:34:00,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 17:34:00,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 17:34:00,981 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-09-22 17:34:00,981 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-09-22 17:34:00,981 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 17:34:00,982 INFO L85 PathProgramCache]: Analyzing trace with hash 1895967781, now seen corresponding path program 2 times [2024-09-22 17:34:00,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 17:34:00,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733665855] [2024-09-22 17:34:00,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 17:34:00,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 17:34:01,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 17:34:01,181 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 17:34:01,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 17:34:01,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733665855] [2024-09-22 17:34:01,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733665855] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-22 17:34:01,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-22 17:34:01,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-09-22 17:34:01,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713340271] [2024-09-22 17:34:01,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-22 17:34:01,184 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-09-22 17:34:01,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 17:34:01,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-09-22 17:34:01,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-09-22 17:34:01,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 17:34:01,186 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 17:34:01,186 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 6 states have internal predecessors, (33), 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 17:34:01,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 17:34:01,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 17:34:01,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 17:34:01,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 17:34:01,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 17:34:01,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 17:34:01,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 17:34:01,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 17:34:01,368 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-09-22 17:34:01,369 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-09-22 17:34:01,369 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 17:34:01,369 INFO L85 PathProgramCache]: Analyzing trace with hash 259852303, now seen corresponding path program 1 times [2024-09-22 17:34:01,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 17:34:01,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766786442] [2024-09-22 17:34:01,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 17:34:01,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 17:34:01,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 17:34:01,566 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 17:34:01,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 17:34:01,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766786442] [2024-09-22 17:34:01,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766786442] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-22 17:34:01,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-22 17:34:01,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-22 17:34:01,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634321709] [2024-09-22 17:34:01,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-22 17:34:01,568 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-22 17:34:01,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 17:34:01,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-22 17:34:01,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-09-22 17:34:01,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 17:34:01,570 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 17:34:01,571 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 5 states have internal predecessors, (25), 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 17:34:01,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 17:34:01,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 17:34:01,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 17:34:01,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 17:34:01,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 17:34:01,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 17:34:01,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 17:34:01,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 17:34:01,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 17:34:01,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 17:34:01,679 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-09-22 17:34:01,679 INFO L399 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-09-22 17:34:01,680 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 17:34:01,680 INFO L85 PathProgramCache]: Analyzing trace with hash 239093341, now seen corresponding path program 1 times [2024-09-22 17:34:01,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 17:34:01,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913040218] [2024-09-22 17:34:01,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 17:34:01,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 17:34:01,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 17:34:01,919 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 17:34:01,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 17:34:01,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913040218] [2024-09-22 17:34:01,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913040218] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-22 17:34:01,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-22 17:34:01,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-22 17:34:01,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279447588] [2024-09-22 17:34:01,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-22 17:34:01,921 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-22 17:34:01,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 17:34:01,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-22 17:34:01,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-09-22 17:34:01,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 17:34:01,924 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 17:34:01,924 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 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 17:34:01,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 17:34:01,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 17:34:01,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 17:34:01,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 17:34:01,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 17:34:01,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 17:34:02,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 17:34:02,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 17:34:02,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 17:34:02,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 17:34:02,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 17:34:02,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 17:34:02,075 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-09-22 17:34:02,075 INFO L399 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-09-22 17:34:02,076 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 17:34:02,076 INFO L85 PathProgramCache]: Analyzing trace with hash 474381891, now seen corresponding path program 2 times [2024-09-22 17:34:02,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 17:34:02,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31081109] [2024-09-22 17:34:02,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 17:34:02,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 17:34:02,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 17:34:02,200 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 17:34:02,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 17:34:02,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31081109] [2024-09-22 17:34:02,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31081109] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-22 17:34:02,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-22 17:34:02,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-22 17:34:02,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791316640] [2024-09-22 17:34:02,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-22 17:34:02,201 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-22 17:34:02,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 17:34:02,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-22 17:34:02,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-09-22 17:34:02,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 17:34:02,202 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 17:34:02,202 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 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 17:34:02,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 17:34:02,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 17:34:02,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 17:34:02,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 17:34:02,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 17:34:02,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 17:34:02,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 17:34:02,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 17:34:02,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 17:34:02,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 17:34:02,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 17:34:02,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 17:34:02,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 17:34:02,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 17:34:02,371 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 3 remaining) [2024-09-22 17:34:02,372 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2024-09-22 17:34:02,372 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-09-22 17:34:02,372 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-09-22 17:34:02,378 INFO L408 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1] [2024-09-22 17:34:02,382 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-09-22 17:34:02,382 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-09-22 17:34:02,385 INFO L469 ceAbstractionStarter]: Automizer considered 1 witness invariants [2024-09-22 17:34:02,385 INFO L470 ceAbstractionStarter]: WitnessConsidered=1 [2024-09-22 17:34:02,386 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.09 05:34:02 BasicIcfg [2024-09-22 17:34:02,386 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-09-22 17:34:02,387 INFO L158 Benchmark]: Toolchain (without parser) took 4238.77ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 89.5MB in the beginning and 149.0MB in the end (delta: -59.5MB). Peak memory consumption was 72.5MB. Max. memory is 16.1GB. [2024-09-22 17:34:02,387 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 113.2MB. Free memory is still 77.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-22 17:34:02,387 INFO L158 Benchmark]: Witness Parser took 0.22ms. Allocated memory is still 161.5MB. Free memory is still 92.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-22 17:34:02,387 INFO L158 Benchmark]: CACSL2BoogieTranslator took 558.52ms. Allocated memory is still 161.5MB. Free memory was 89.2MB in the beginning and 108.9MB in the end (delta: -19.7MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. [2024-09-22 17:34:02,388 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.11ms. Allocated memory is still 161.5MB. Free memory was 108.9MB in the beginning and 106.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-22 17:34:02,388 INFO L158 Benchmark]: Boogie Preprocessor took 36.11ms. Allocated memory is still 161.5MB. Free memory was 106.8MB in the beginning and 106.0MB in the end (delta: 799.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-22 17:34:02,388 INFO L158 Benchmark]: RCFGBuilder took 514.55ms. Allocated memory is still 161.5MB. Free memory was 106.0MB in the beginning and 69.1MB in the end (delta: 36.9MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-09-22 17:34:02,388 INFO L158 Benchmark]: TraceAbstraction took 3074.35ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 69.1MB in the beginning and 149.0MB in the end (delta: -80.0MB). Peak memory consumption was 50.9MB. Max. memory is 16.1GB. [2024-09-22 17:34:02,390 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 113.2MB. Free memory is still 77.4MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.22ms. Allocated memory is still 161.5MB. Free memory is still 92.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 558.52ms. Allocated memory is still 161.5MB. Free memory was 89.2MB in the beginning and 108.9MB in the end (delta: -19.7MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.11ms. Allocated memory is still 161.5MB. Free memory was 108.9MB in the beginning and 106.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.11ms. Allocated memory is still 161.5MB. Free memory was 106.8MB in the beginning and 106.0MB in the end (delta: 799.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 514.55ms. Allocated memory is still 161.5MB. Free memory was 106.0MB in the beginning and 69.1MB in the end (delta: 36.9MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * TraceAbstraction took 3074.35ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 69.1MB in the beginning and 149.0MB in the end (delta: -80.0MB). Peak memory consumption was 50.9MB. 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: 1807, independent: 1571, independent conditional: 887, independent unconditional: 684, dependent: 236, dependent conditional: 177, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1671, independent: 1571, independent conditional: 887, independent unconditional: 684, dependent: 100, dependent conditional: 41, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1671, independent: 1571, independent conditional: 887, independent unconditional: 684, dependent: 100, dependent conditional: 41, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1875, independent: 1571, independent conditional: 887, independent unconditional: 684, dependent: 304, dependent conditional: 245, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1875, independent: 1571, independent conditional: 29, independent unconditional: 1542, dependent: 304, dependent conditional: 63, dependent unconditional: 241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1875, independent: 1571, independent conditional: 29, independent unconditional: 1542, dependent: 304, dependent conditional: 63, dependent unconditional: 241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 794, independent: 698, independent conditional: 11, independent unconditional: 687, dependent: 96, dependent conditional: 36, dependent unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 794, independent: 619, independent conditional: 0, independent unconditional: 619, dependent: 175, dependent conditional: 0, dependent unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 175, independent: 79, independent conditional: 11, independent unconditional: 68, dependent: 96, dependent conditional: 36, dependent unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 175, independent: 79, independent conditional: 11, independent unconditional: 68, dependent: 96, dependent conditional: 36, dependent unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 506, independent: 212, independent conditional: 31, independent unconditional: 181, dependent: 294, dependent conditional: 85, dependent unconditional: 209, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1875, independent: 873, independent conditional: 18, independent unconditional: 855, dependent: 208, dependent conditional: 27, dependent unconditional: 181, unknown: 794, unknown conditional: 47, unknown unconditional: 747] , Statistics on independence cache: Total cache size (in pairs): 794, Positive cache size: 698, Positive conditional cache size: 11, Positive unconditional cache size: 687, Negative cache size: 96, Negative conditional cache size: 36, Negative unconditional cache size: 60, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1040, Maximal queried relation: 7, Independence queries for same thread: 136, Persistent sets #1 benchmarks: Persistent set computation time: 0.4s, Number of persistent set computation: 270, Number of trivial persistent sets: 270, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 743, independent: 684, independent conditional: 0, independent unconditional: 684, dependent: 59, dependent conditional: 0, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1807, independent: 1571, independent conditional: 887, independent unconditional: 684, dependent: 236, dependent conditional: 177, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1671, independent: 1571, independent conditional: 887, independent unconditional: 684, dependent: 100, dependent conditional: 41, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1671, independent: 1571, independent conditional: 887, independent unconditional: 684, dependent: 100, dependent conditional: 41, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1875, independent: 1571, independent conditional: 887, independent unconditional: 684, dependent: 304, dependent conditional: 245, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1875, independent: 1571, independent conditional: 29, independent unconditional: 1542, dependent: 304, dependent conditional: 63, dependent unconditional: 241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1875, independent: 1571, independent conditional: 29, independent unconditional: 1542, dependent: 304, dependent conditional: 63, dependent unconditional: 241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 794, independent: 698, independent conditional: 11, independent unconditional: 687, dependent: 96, dependent conditional: 36, dependent unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 794, independent: 619, independent conditional: 0, independent unconditional: 619, dependent: 175, dependent conditional: 0, dependent unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 175, independent: 79, independent conditional: 11, independent unconditional: 68, dependent: 96, dependent conditional: 36, dependent unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 175, independent: 79, independent conditional: 11, independent unconditional: 68, dependent: 96, dependent conditional: 36, dependent unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 506, independent: 212, independent conditional: 31, independent unconditional: 181, dependent: 294, dependent conditional: 85, dependent unconditional: 209, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1875, independent: 873, independent conditional: 18, independent unconditional: 855, dependent: 208, dependent conditional: 27, dependent unconditional: 181, unknown: 794, unknown conditional: 47, unknown unconditional: 747] , Statistics on independence cache: Total cache size (in pairs): 794, Positive cache size: 698, Positive conditional cache size: 11, Positive unconditional cache size: 687, Negative cache size: 96, Negative conditional cache size: 36, Negative unconditional cache size: 60, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1040, Maximal queried relation: 7, Independence queries for same thread: 136 - PositiveResult [Line: 702]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 63 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 2.9s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 1.3s, 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: 31, 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, 1.2s InterpolantComputationTime, 194 NumberOfCodeBlocks, 194 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 187 ConstructedInterpolants, 0 QuantifiedInterpolants, 859 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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 - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-09-22 17:34:02,423 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 17:34:02,621 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE