./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/weaver/parallel-parallel-sum-1.wvr.c --full-output --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1f73d82f Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../sv-benchmarks/c/weaver/parallel-parallel-sum-1.wvr.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b1e99af7c76570461a4b0ac70d664412f250ec04f47fd9ca8c0f85236f1348c6 --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT --- Real Ultimate output --- This is Ultimate 0.3.0-dev-1f73d82-m [2024-11-21 15:35:10,737 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-21 15:35:10,810 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-11-21 15:35:10,814 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-21 15:35:10,814 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-21 15:35:10,832 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-21 15:35:10,834 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-21 15:35:10,834 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-21 15:35:10,834 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-21 15:35:10,834 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-21 15:35:10,835 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-21 15:35:10,835 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-21 15:35:10,835 INFO L153 SettingsManager]: * Use SBE=true [2024-11-21 15:35:10,835 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-21 15:35:10,835 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-21 15:35:10,835 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-21 15:35:10,835 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-21 15:35:10,835 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-21 15:35:10,835 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-21 15:35:10,835 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-21 15:35:10,835 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-21 15:35:10,835 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-21 15:35:10,835 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-21 15:35:10,835 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-21 15:35:10,835 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-21 15:35:10,835 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-21 15:35:10,835 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-21 15:35:10,836 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-21 15:35:10,836 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-21 15:35:10,836 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-21 15:35:10,836 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-21 15:35:10,836 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-21 15:35:10,836 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-21 15:35:10,836 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-21 15:35:10,836 INFO L153 SettingsManager]: * Commutativity condition synthesis=SUFFICIENT [2024-11-21 15:35:10,836 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-21 15:35:10,836 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-21 15:35:10,836 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-11-21 15:35:10,836 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-21 15:35:10,836 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-21 15:35:10,836 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-21 15:35:10,837 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-21 15:35:10,837 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-21 15:35:10,837 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b1e99af7c76570461a4b0ac70d664412f250ec04f47fd9ca8c0f85236f1348c6 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NECESSARY_AND_SUFFICIENT [2024-11-21 15:35:11,098 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-21 15:35:11,105 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-21 15:35:11,106 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-21 15:35:11,107 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-21 15:35:11,107 INFO L274 PluginConnector]: CDTParser initialized [2024-11-21 15:35:11,108 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/weaver/parallel-parallel-sum-1.wvr.c [2024-11-21 15:35:12,304 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/949c65a36/c2c81c89d9a345c6a9021bd39cb7fcd5/FLAG63ec60b76 [2024-11-21 15:35:12,517 INFO L384 CDTParser]: Found 1 translation units. [2024-11-21 15:35:12,518 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/parallel-parallel-sum-1.wvr.c [2024-11-21 15:35:12,524 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/949c65a36/c2c81c89d9a345c6a9021bd39cb7fcd5/FLAG63ec60b76 [2024-11-21 15:35:12,541 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/949c65a36/c2c81c89d9a345c6a9021bd39cb7fcd5 [2024-11-21 15:35:12,543 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-21 15:35:12,545 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-21 15:35:12,547 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-21 15:35:12,547 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-21 15:35:12,550 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-21 15:35:12,551 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 03:35:12" (1/1) ... [2024-11-21 15:35:12,551 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5115f11d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:35:12, skipping insertion in model container [2024-11-21 15:35:12,552 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 03:35:12" (1/1) ... [2024-11-21 15:35:12,565 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-21 15:35:12,702 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/parallel-parallel-sum-1.wvr.c[3694,3707] [2024-11-21 15:35:12,713 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 15:35:12,727 INFO L200 MainTranslator]: Completed pre-run [2024-11-21 15:35:12,746 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/parallel-parallel-sum-1.wvr.c[3694,3707] [2024-11-21 15:35:12,748 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 15:35:12,761 INFO L204 MainTranslator]: Completed translation [2024-11-21 15:35:12,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:35:12 WrapperNode [2024-11-21 15:35:12,762 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-21 15:35:12,763 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-21 15:35:12,763 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-21 15:35:12,763 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-21 15:35:12,767 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:35:12" (1/1) ... [2024-11-21 15:35:12,772 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:35:12" (1/1) ... [2024-11-21 15:35:12,792 INFO L138 Inliner]: procedures = 26, calls = 48, calls flagged for inlining = 18, calls inlined = 24, statements flattened = 290 [2024-11-21 15:35:12,792 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-21 15:35:12,793 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-21 15:35:12,793 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-21 15:35:12,793 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-21 15:35:12,798 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:35:12" (1/1) ... [2024-11-21 15:35:12,798 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:35:12" (1/1) ... [2024-11-21 15:35:12,804 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:35:12" (1/1) ... [2024-11-21 15:35:12,804 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:35:12" (1/1) ... [2024-11-21 15:35:12,810 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:35:12" (1/1) ... [2024-11-21 15:35:12,812 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:35:12" (1/1) ... [2024-11-21 15:35:12,815 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:35:12" (1/1) ... [2024-11-21 15:35:12,822 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:35:12" (1/1) ... [2024-11-21 15:35:12,823 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:35:12" (1/1) ... [2024-11-21 15:35:12,824 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-21 15:35:12,825 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-21 15:35:12,825 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-21 15:35:12,826 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-21 15:35:12,829 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:35:12" (1/1) ... [2024-11-21 15:35:12,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-21 15:35:12,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:35:12,854 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-21 15:35:12,856 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-21 15:35:12,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-21 15:35:12,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-21 15:35:12,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-21 15:35:12,872 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-21 15:35:12,873 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-21 15:35:12,873 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-21 15:35:12,873 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-21 15:35:12,873 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-21 15:35:12,873 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-21 15:35:12,873 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-11-21 15:35:12,873 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-11-21 15:35:12,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-21 15:35:12,873 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-21 15:35:12,873 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-21 15:35:12,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-21 15:35:12,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-21 15:35:12,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-21 15:35:12,874 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-21 15:35:12,962 INFO L234 CfgBuilder]: Building ICFG [2024-11-21 15:35:12,964 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-21 15:35:13,301 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-21 15:35:13,301 INFO L283 CfgBuilder]: Performing block encoding [2024-11-21 15:35:13,543 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-21 15:35:13,543 INFO L312 CfgBuilder]: Removed 5 assume(true) statements. [2024-11-21 15:35:13,543 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 03:35:13 BoogieIcfgContainer [2024-11-21 15:35:13,543 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-21 15:35:13,545 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-21 15:35:13,545 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-21 15:35:13,549 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-21 15:35:13,550 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 03:35:12" (1/3) ... [2024-11-21 15:35:13,550 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e2160fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 03:35:13, skipping insertion in model container [2024-11-21 15:35:13,550 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:35:12" (2/3) ... [2024-11-21 15:35:13,551 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e2160fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 03:35:13, skipping insertion in model container [2024-11-21 15:35:13,551 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 03:35:13" (3/3) ... [2024-11-21 15:35:13,552 INFO L128 eAbstractionObserver]: Analyzing ICFG parallel-parallel-sum-1.wvr.c [2024-11-21 15:35:13,563 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-21 15:35:13,565 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG parallel-parallel-sum-1.wvr.c that has 5 procedures, 46 locations, 1 initial locations, 5 loop locations, and 1 error locations. [2024-11-21 15:35:13,565 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-21 15:35:13,613 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-11-21 15:35:13,654 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 15:35:13,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-21 15:35:13,655 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:35:13,657 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-21 15:35:13,659 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-21 15:35:13,729 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-21 15:35:13,743 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-21 15:35:13,748 INFO L333 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=LoopHeads, 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;@aacdd6e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 15:35:13,749 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-11-21 15:35:14,028 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-21 15:35:14,029 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:35:14,029 INFO L139 ounterexampleChecker]: Examining path program with hash 687094712, occurence #1 [2024-11-21 15:35:14,029 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 15:35:14,029 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:35:14,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:35:14,033 INFO L85 PathProgramCache]: Analyzing trace with hash 57742913, now seen corresponding path program 1 times [2024-11-21 15:35:14,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:35:14,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117110452] [2024-11-21 15:35:14,040 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:35:14,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:35:14,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:35:14,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:35:14,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:35:14,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117110452] [2024-11-21 15:35:14,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117110452] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 15:35:14,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 15:35:14,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-21 15:35:14,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610863590] [2024-11-21 15:35:14,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 15:35:14,199 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-21 15:35:14,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:35:14,214 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-21 15:35:14,214 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-21 15:35:14,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:35:14,216 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:35:14,217 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 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) [2024-11-21 15:35:14,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:35:14,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:35:14,630 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-21 15:35:14,630 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-21 15:35:14,630 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:35:14,630 INFO L139 ounterexampleChecker]: Examining path program with hash 914170402, occurence #1 [2024-11-21 15:35:14,630 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 15:35:14,630 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:35:14,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:35:14,632 INFO L85 PathProgramCache]: Analyzing trace with hash 1179463562, now seen corresponding path program 1 times [2024-11-21 15:35:14,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:35:14,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925439449] [2024-11-21 15:35:14,632 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:35:14,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:35:14,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:35:15,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:35:15,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:35:15,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925439449] [2024-11-21 15:35:15,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925439449] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 15:35:15,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 15:35:15,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-21 15:35:15,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658906005] [2024-11-21 15:35:15,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 15:35:15,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-21 15:35:15,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:35:15,230 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-21 15:35:15,230 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-21 15:35:15,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:35:15,232 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:35:15,232 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 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) [2024-11-21 15:35:15,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:35:15,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:35:15,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:35:15,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:35:15,365 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-21 15:35:15,365 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-21 15:35:15,365 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:35:15,365 INFO L139 ounterexampleChecker]: Examining path program with hash 914170402, occurence #2 [2024-11-21 15:35:15,366 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:35:15,366 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:35:15,367 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:35:15,367 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2024-11-21 15:35:15,380 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:35:15,381 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-11-21 15:35:15,381 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:35:15,381 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-11-21 15:35:15,381 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:35:15,381 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-11-21 15:35:15,381 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:35:15,381 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2024-11-21 15:35:15,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:35:15,429 INFO L85 PathProgramCache]: Analyzing trace with hash 1885514117, now seen corresponding path program 1 times [2024-11-21 15:35:15,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:35:15,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244680942] [2024-11-21 15:35:15,429 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:35:15,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:35:15,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:35:15,606 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:35:15,606 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:35:15,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244680942] [2024-11-21 15:35:15,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [244680942] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:35:15,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [2045013586] [2024-11-21 15:35:15,607 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:35:15,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:35:15,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:35:15,646 INFO L256 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-21 15:35:15,651 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:35:15,736 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:35:15,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [2045013586] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:35:15,736 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:35:15,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-21 15:35:15,737 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:35:15,737 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2024-11-21 15:35:15,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:35:15,767 INFO L85 PathProgramCache]: Analyzing trace with hash -1030334306, now seen corresponding path program 1 times [2024-11-21 15:35:15,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:35:15,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646952579] [2024-11-21 15:35:15,767 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:35:15,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:35:15,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:35:15,884 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:35:15,884 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:35:15,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646952579] [2024-11-21 15:35:15,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646952579] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:35:15,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [714002925] [2024-11-21 15:35:15,884 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:35:15,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:35:15,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:35:15,906 INFO L256 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-21 15:35:15,908 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:35:15,979 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:35:15,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [714002925] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:35:15,980 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:35:15,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-21 15:35:15,980 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:35:15,981 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2024-11-21 15:35:16,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:35:16,008 INFO L85 PathProgramCache]: Analyzing trace with hash 950169953, now seen corresponding path program 1 times [2024-11-21 15:35:16,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:35:16,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059962434] [2024-11-21 15:35:16,008 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:35:16,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:35:16,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:35:16,177 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:35:16,177 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:35:16,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059962434] [2024-11-21 15:35:16,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059962434] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:35:16,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [153388142] [2024-11-21 15:35:16,178 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:35:16,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:35:16,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:35:16,217 INFO L256 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-21 15:35:16,219 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:35:16,293 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:35:16,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [153388142] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:35:16,294 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:35:16,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-21 15:35:16,294 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:35:16,294 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2024-11-21 15:35:16,294 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:35:16,294 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 76 [2024-11-21 15:35:16,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:35:16,338 INFO L85 PathProgramCache]: Analyzing trace with hash -403328781, now seen corresponding path program 1 times [2024-11-21 15:35:16,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:35:16,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417145195] [2024-11-21 15:35:16,339 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:35:16,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:35:16,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:35:16,532 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:35:16,532 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:35:16,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417145195] [2024-11-21 15:35:16,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417145195] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:35:16,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1081254540] [2024-11-21 15:35:16,532 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:35:16,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:35:16,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:35:16,565 INFO L256 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-21 15:35:16,567 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:35:16,649 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:35:16,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1081254540] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:35:16,649 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:35:16,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-21 15:35:16,649 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:35:16,649 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 94 is hopeless, skipping. [2024-11-21 15:35:16,649 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 98 [2024-11-21 15:35:16,649 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:35:16,649 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 106 [2024-11-21 15:35:16,649 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:35:16,649 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 110 [2024-11-21 15:35:16,649 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:35:16,649 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 112 [2024-11-21 15:35:16,649 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:35:16,649 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:35:16,649 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:35:16,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:35:16,650 INFO L85 PathProgramCache]: Analyzing trace with hash -1105792968, now seen corresponding path program 1 times [2024-11-21 15:35:16,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:35:16,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634494757] [2024-11-21 15:35:16,650 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:35:16,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:35:16,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:35:16,882 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:35:16,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:35:16,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634494757] [2024-11-21 15:35:16,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [634494757] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:35:16,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [328179766] [2024-11-21 15:35:16,883 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:35:16,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:35:16,883 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:35:16,885 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:35:16,887 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-21 15:35:17,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:35:17,029 INFO L256 TraceCheckSpWp]: Trace formula consists of 537 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-21 15:35:17,044 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:35:17,472 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:35:17,472 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:35:17,755 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:35:17,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [328179766] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:35:17,756 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:35:17,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 16, 16] total 33 [2024-11-21 15:35:17,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654379681] [2024-11-21 15:35:17,756 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:35:17,757 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-21 15:35:17,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:35:17,759 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-21 15:35:17,760 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=419, Invalid=703, Unknown=0, NotChecked=0, Total=1122 [2024-11-21 15:35:17,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:35:17,761 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:35:17,761 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 7.529411764705882) internal successors, (256), 33 states have internal predecessors, (256), 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) [2024-11-21 15:35:17,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:35:17,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:35:17,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:35:17,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:35:17,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:35:18,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:35:18,014 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-21 15:35:18,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3,SelfDestructingSolverStorable2,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5,SelfDestructingSolverStorable10,SelfDestructingSolverStorable9 [2024-11-21 15:35:18,204 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-21 15:35:18,204 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:35:18,204 INFO L139 ounterexampleChecker]: Examining path program with hash 914170402, occurence #3 [2024-11-21 15:35:18,204 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:35:18,204 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:35:18,204 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:35:18,204 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-11-21 15:35:18,204 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:35:18,204 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-11-21 15:35:18,204 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:35:18,204 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-11-21 15:35:18,204 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:35:18,204 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-11-21 15:35:18,204 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:35:18,205 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42 [2024-11-21 15:35:18,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:35:18,237 INFO L85 PathProgramCache]: Analyzing trace with hash -1738018433, now seen corresponding path program 1 times [2024-11-21 15:35:18,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:35:18,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258015273] [2024-11-21 15:35:18,237 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:35:18,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:35:18,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 15:35:18,287 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-21 15:35:18,287 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-21 15:35:18,288 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 46 [2024-11-21 15:35:18,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:35:18,309 INFO L85 PathProgramCache]: Analyzing trace with hash 1438251416, now seen corresponding path program 1 times [2024-11-21 15:35:18,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:35:18,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074016806] [2024-11-21 15:35:18,309 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:35:18,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:35:18,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:35:18,506 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:35:18,506 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:35:18,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074016806] [2024-11-21 15:35:18,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074016806] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:35:18,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [667449325] [2024-11-21 15:35:18,506 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:35:18,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:35:18,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:35:18,531 INFO L256 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-21 15:35:18,533 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:35:18,745 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:35:18,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [667449325] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:35:18,746 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:35:18,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 18 [2024-11-21 15:35:18,746 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:35:18,746 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 62 [2024-11-21 15:35:18,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:35:18,768 INFO L85 PathProgramCache]: Analyzing trace with hash 1316124251, now seen corresponding path program 1 times [2024-11-21 15:35:18,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:35:18,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315793763] [2024-11-21 15:35:18,768 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:35:18,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:35:18,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:35:19,149 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:35:19,150 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:35:19,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315793763] [2024-11-21 15:35:19,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [315793763] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:35:19,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1542234983] [2024-11-21 15:35:19,150 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:35:19,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:35:19,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:35:19,175 INFO L256 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-21 15:35:19,177 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:35:19,661 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:35:19,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1542234983] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:35:19,661 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:35:19,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 32 [2024-11-21 15:35:19,661 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:35:19,662 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2024-11-21 15:35:19,662 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:35:19,662 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 79 [2024-11-21 15:35:19,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:35:19,696 INFO L85 PathProgramCache]: Analyzing trace with hash 860775889, now seen corresponding path program 1 times [2024-11-21 15:35:19,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:35:19,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608021640] [2024-11-21 15:35:19,696 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:35:19,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:35:19,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:35:20,171 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:35:20,171 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:35:20,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608021640] [2024-11-21 15:35:20,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608021640] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:35:20,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1432029822] [2024-11-21 15:35:20,172 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:35:20,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:35:20,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:35:20,201 INFO L256 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-21 15:35:20,202 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:35:20,804 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:35:20,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1432029822] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:35:20,805 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:35:20,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 18] total 38 [2024-11-21 15:35:20,805 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:35:20,805 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 97 is hopeless, skipping. [2024-11-21 15:35:20,805 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 101 [2024-11-21 15:35:20,805 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:35:20,805 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 109 [2024-11-21 15:35:20,805 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:35:20,805 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2024-11-21 15:35:20,805 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:35:20,806 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2024-11-21 15:35:20,806 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:35:20,806 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:35:20,806 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:35:20,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:35:20,806 INFO L85 PathProgramCache]: Analyzing trace with hash -888214774, now seen corresponding path program 2 times [2024-11-21 15:35:20,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:35:20,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976760963] [2024-11-21 15:35:20,807 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:35:20,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:35:20,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:35:21,574 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:35:21,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:35:21,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976760963] [2024-11-21 15:35:21,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976760963] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:35:21,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [128871895] [2024-11-21 15:35:21,575 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 15:35:21,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:35:21,575 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:35:21,580 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:35:21,581 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-21 15:35:21,699 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-21 15:35:21,699 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:35:21,705 INFO L256 TraceCheckSpWp]: Trace formula consists of 528 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-21 15:35:21,708 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:35:22,388 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-21 15:35:22,389 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-21 15:35:22,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [128871895] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 15:35:22,389 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-21 15:35:22,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [28] total 51 [2024-11-21 15:35:22,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077391908] [2024-11-21 15:35:22,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 15:35:22,390 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-21 15:35:22,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:35:22,390 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-21 15:35:22,392 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=297, Invalid=2253, Unknown=0, NotChecked=0, Total=2550 [2024-11-21 15:35:22,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:35:22,392 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:35:22,392 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 4.875) internal successors, (117), 24 states have internal predecessors, (117), 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) [2024-11-21 15:35:22,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:35:22,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:35:22,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:35:22,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:35:22,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:35:22,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:35:22,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:35:22,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 15:35:22,920 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-21 15:35:23,108 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17 [2024-11-21 15:35:23,108 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-21 15:35:23,108 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:35:23,109 INFO L139 ounterexampleChecker]: Examining path program with hash 573882129, occurence #1 [2024-11-21 15:35:23,109 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 15:35:23,109 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:35:23,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:35:23,109 INFO L85 PathProgramCache]: Analyzing trace with hash -1868566993, now seen corresponding path program 3 times [2024-11-21 15:35:23,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:35:23,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140311434] [2024-11-21 15:35:23,109 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:35:23,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:35:23,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:35:24,007 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 46 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:35:24,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:35:24,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140311434] [2024-11-21 15:35:24,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140311434] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:35:24,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1375060280] [2024-11-21 15:35:24,008 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-21 15:35:24,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:35:24,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:35:24,011 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:35:24,012 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-21 15:35:24,155 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-21 15:35:24,155 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:35:24,158 INFO L256 TraceCheckSpWp]: Trace formula consists of 609 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-21 15:35:24,161 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:35:24,908 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-21 15:35:24,908 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:35:25,178 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-21 15:35:25,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1375060280] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-21 15:35:25,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:35:25,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [31, 27] total 64 [2024-11-21 15:35:25,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814967253] [2024-11-21 15:35:25,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 15:35:25,179 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-21 15:35:25,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:35:25,179 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-21 15:35:25,181 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=573, Invalid=3459, Unknown=0, NotChecked=0, Total=4032 [2024-11-21 15:35:25,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:35:25,181 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:35:25,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 9 states have internal predecessors, (80), 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) [2024-11-21 15:35:25,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:35:25,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:35:25,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:35:25,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 15:35:25,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:35:25,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:35:25,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:35:25,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:35:25,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 15:35:25,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:35:25,504 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-21 15:35:25,692 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:35:25,693 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-21 15:35:25,693 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:35:25,693 INFO L139 ounterexampleChecker]: Examining path program with hash -376284489, occurence #1 [2024-11-21 15:35:25,693 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 15:35:25,693 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:35:25,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:35:25,693 INFO L85 PathProgramCache]: Analyzing trace with hash -24067221, now seen corresponding path program 4 times [2024-11-21 15:35:25,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:35:25,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827597573] [2024-11-21 15:35:25,694 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:35:25,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:35:25,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:35:30,157 INFO L134 CoverageAnalysis]: Checked inductivity of 774 backedges. 764 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:35:30,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:35:30,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827597573] [2024-11-21 15:35:30,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827597573] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:35:30,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1661009182] [2024-11-21 15:35:30,158 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-21 15:35:30,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:35:30,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:35:30,160 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:35:30,162 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-21 15:35:30,329 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-21 15:35:30,330 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:35:30,335 INFO L256 TraceCheckSpWp]: Trace formula consists of 579 conjuncts, 74 conjuncts are in the unsatisfiable core [2024-11-21 15:35:30,339 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:35:33,622 INFO L134 CoverageAnalysis]: Checked inductivity of 774 backedges. 0 proven. 764 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-21 15:35:33,623 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:35:34,373 INFO L134 CoverageAnalysis]: Checked inductivity of 774 backedges. 35 proven. 624 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2024-11-21 15:35:34,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1661009182] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:35:34,373 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:35:34,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [79, 75, 11] total 162 [2024-11-21 15:35:34,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775632622] [2024-11-21 15:35:34,373 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:35:34,374 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 162 states [2024-11-21 15:35:34,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:35:34,377 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 162 interpolants. [2024-11-21 15:35:34,385 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3282, Invalid=22800, Unknown=0, NotChecked=0, Total=26082 [2024-11-21 15:35:34,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:35:34,386 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:35:34,387 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 162 states, 162 states have (on average 4.820987654320987) internal successors, (781), 162 states have internal predecessors, (781), 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) [2024-11-21 15:35:34,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:35:34,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:35:34,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:35:34,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 15:35:34,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:35:34,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:35:36,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:35:36,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:35:36,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:35:36,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 15:35:36,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:35:36,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-21 15:35:36,850 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-21 15:35:37,041 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:35:37,042 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-21 15:35:37,042 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:35:37,042 INFO L139 ounterexampleChecker]: Examining path program with hash -1785247951, occurence #1 [2024-11-21 15:35:37,042 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 15:35:37,042 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:35:37,043 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:35:37,043 INFO L85 PathProgramCache]: Analyzing trace with hash -156769838, now seen corresponding path program 5 times [2024-11-21 15:35:37,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:35:37,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860200631] [2024-11-21 15:35:37,043 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:35:37,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:35:37,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:35:43,385 INFO L134 CoverageAnalysis]: Checked inductivity of 1282 backedges. 1247 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:35:43,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:35:43,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860200631] [2024-11-21 15:35:43,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [860200631] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:35:43,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1903372877] [2024-11-21 15:35:43,385 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-21 15:35:43,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:35:43,385 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:35:43,387 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:35:43,388 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-21 15:35:44,116 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2024-11-21 15:35:44,116 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:35:44,126 INFO L256 TraceCheckSpWp]: Trace formula consists of 1623 conjuncts, 58 conjuncts are in the unsatisfiable core [2024-11-21 15:35:44,131 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:35:46,985 INFO L134 CoverageAnalysis]: Checked inductivity of 1282 backedges. 1153 proven. 129 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:35:46,985 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:35:49,681 INFO L134 CoverageAnalysis]: Checked inductivity of 1282 backedges. 1267 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:35:49,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1903372877] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:35:49,682 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:35:49,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [99, 55, 55] total 207 [2024-11-21 15:35:49,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850006079] [2024-11-21 15:35:49,682 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:35:49,683 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 208 states [2024-11-21 15:35:49,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:35:49,686 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 208 interpolants. [2024-11-21 15:35:49,691 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9442, Invalid=33614, Unknown=0, NotChecked=0, Total=43056 [2024-11-21 15:35:49,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:35:49,691 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:35:49,692 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 208 states, 208 states have (on average 5.740384615384615) internal successors, (1194), 207 states have internal predecessors, (1194), 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) [2024-11-21 15:35:49,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:35:49,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:35:49,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:35:49,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 15:35:49,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:35:49,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-11-21 15:35:49,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:35:50,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:35:50,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:35:50,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:35:50,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 15:35:50,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:35:50,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-21 15:35:50,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-21 15:35:50,106 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-21 15:35:50,289 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-11-21 15:35:50,290 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-21 15:35:50,290 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:35:50,290 INFO L139 ounterexampleChecker]: Examining path program with hash -1785247951, occurence #2 [2024-11-21 15:35:50,290 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:35:50,290 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:35:50,290 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:35:50,290 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-11-21 15:35:50,290 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:35:50,290 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2024-11-21 15:35:50,290 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:35:50,290 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2024-11-21 15:35:50,290 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:35:50,290 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2024-11-21 15:35:50,291 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:35:50,291 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 98 [2024-11-21 15:35:50,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:35:50,305 INFO L85 PathProgramCache]: Analyzing trace with hash -1896388304, now seen corresponding path program 1 times [2024-11-21 15:35:50,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:35:50,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052820624] [2024-11-21 15:35:50,305 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:35:50,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:35:50,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 15:35:50,428 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-21 15:35:50,428 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-21 15:35:50,428 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 130 [2024-11-21 15:35:50,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:35:50,440 INFO L85 PathProgramCache]: Analyzing trace with hash -1718727415, now seen corresponding path program 1 times [2024-11-21 15:35:50,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:35:50,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304447716] [2024-11-21 15:35:50,440 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:35:50,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:35:50,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:35:50,998 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 140 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:35:50,998 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:35:50,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304447716] [2024-11-21 15:35:50,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [304447716] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:35:50,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1299571402] [2024-11-21 15:35:50,998 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:35:50,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:35:51,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:35:51,030 INFO L256 TraceCheckSpWp]: Trace formula consists of 644 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-21 15:35:51,032 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:35:51,540 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 100 proven. 118 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:35:51,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1299571402] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:35:51,540 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:35:51,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26] total 51 [2024-11-21 15:35:51,541 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:35:51,541 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 158 [2024-11-21 15:35:51,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:35:51,552 INFO L85 PathProgramCache]: Analyzing trace with hash 149573381, now seen corresponding path program 1 times [2024-11-21 15:35:51,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:35:51,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033870256] [2024-11-21 15:35:51,553 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:35:51,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:35:51,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:35:52,753 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 196 proven. 97 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:35:52,754 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:35:52,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033870256] [2024-11-21 15:35:52,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033870256] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:35:52,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1134721474] [2024-11-21 15:35:52,754 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:35:52,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:35:52,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:35:52,792 INFO L256 TraceCheckSpWp]: Trace formula consists of 749 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-11-21 15:35:52,795 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:35:54,319 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 167 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:35:54,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1134721474] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:35:54,319 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:35:54,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 46] total 92 [2024-11-21 15:35:54,320 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:35:54,320 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 186 is hopeless, skipping. [2024-11-21 15:35:54,320 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 214 is hopeless, skipping. [2024-11-21 15:35:54,320 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 242 is hopeless, skipping. [2024-11-21 15:35:54,320 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 307 [2024-11-21 15:35:54,320 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:35:54,320 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 362 [2024-11-21 15:35:54,320 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:35:54,320 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 369 [2024-11-21 15:35:54,320 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:35:54,320 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 376 [2024-11-21 15:35:54,320 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:35:54,320 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 380 [2024-11-21 15:35:54,320 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:35:54,320 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 384 [2024-11-21 15:35:54,320 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:35:54,320 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 388 [2024-11-21 15:35:54,320 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:35:54,320 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 392 [2024-11-21 15:35:54,320 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:35:54,320 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 396 [2024-11-21 15:35:54,320 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:35:54,320 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 400 [2024-11-21 15:35:54,320 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:35:54,320 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 402 [2024-11-21 15:35:54,320 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:35:54,321 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 404 [2024-11-21 15:35:54,321 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:35:54,321 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:35:54,321 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:35:54,321 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:35:54,321 INFO L85 PathProgramCache]: Analyzing trace with hash -1942763228, now seen corresponding path program 6 times [2024-11-21 15:35:54,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:35:54,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789254408] [2024-11-21 15:35:54,321 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:35:54,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:35:54,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:36:00,993 INFO L134 CoverageAnalysis]: Checked inductivity of 1345 backedges. 1247 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:36:00,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:36:00,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789254408] [2024-11-21 15:36:00,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789254408] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:36:00,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1211186337] [2024-11-21 15:36:00,993 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-21 15:36:00,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:36:00,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:36:00,995 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:36:00,996 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-21 15:36:01,727 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2024-11-21 15:36:01,727 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:36:01,740 INFO L256 TraceCheckSpWp]: Trace formula consists of 1686 conjuncts, 93 conjuncts are in the unsatisfiable core [2024-11-21 15:36:01,749 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:36:06,710 INFO L134 CoverageAnalysis]: Checked inductivity of 1345 backedges. 78 proven. 1189 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-11-21 15:36:06,710 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:36:07,537 INFO L134 CoverageAnalysis]: Checked inductivity of 1345 backedges. 892 proven. 191 refuted. 0 times theorem prover too weak. 262 trivial. 0 not checked. [2024-11-21 15:36:07,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1211186337] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:36:07,537 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:36:07,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [106, 94, 11] total 208 [2024-11-21 15:36:07,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180377789] [2024-11-21 15:36:07,538 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:36:07,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 208 states [2024-11-21 15:36:07,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:36:07,541 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 208 interpolants. [2024-11-21 15:36:07,545 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5415, Invalid=37641, Unknown=0, NotChecked=0, Total=43056 [2024-11-21 15:36:07,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:36:07,545 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:36:07,546 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 208 states, 208 states have (on average 4.548076923076923) internal successors, (946), 208 states have internal predecessors, (946), 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) [2024-11-21 15:36:07,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:36:07,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:36:07,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:36:07,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 15:36:07,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:36:07,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-11-21 15:36:07,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-21 15:36:07,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:36:12,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:36:12,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:36:12,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:36:12,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 15:36:12,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:36:12,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-21 15:36:12,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-21 15:36:12,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-11-21 15:36:12,314 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-21 15:36:12,497 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,SelfDestructingSolverStorable23,SelfDestructingSolverStorable24,SelfDestructingSolverStorable25,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26,SelfDestructingSolverStorable27 [2024-11-21 15:36:12,497 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-21 15:36:12,498 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:36:12,498 INFO L139 ounterexampleChecker]: Examining path program with hash 1788807038, occurence #1 [2024-11-21 15:36:12,498 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 15:36:12,498 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:36:12,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:36:12,498 INFO L85 PathProgramCache]: Analyzing trace with hash 1796283724, now seen corresponding path program 7 times [2024-11-21 15:36:12,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:36:12,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780680038] [2024-11-21 15:36:12,498 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:36:12,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:36:12,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:36:16,547 INFO L134 CoverageAnalysis]: Checked inductivity of 1242 backedges. 1136 proven. 106 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:36:16,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:36:16,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780680038] [2024-11-21 15:36:16,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780680038] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:36:16,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1073506631] [2024-11-21 15:36:16,547 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-21 15:36:16,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:36:16,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:36:16,549 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:36:16,550 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-21 15:36:16,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:36:16,773 INFO L256 TraceCheckSpWp]: Trace formula consists of 1365 conjuncts, 56 conjuncts are in the unsatisfiable core [2024-11-21 15:36:16,776 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:36:19,206 INFO L134 CoverageAnalysis]: Checked inductivity of 1242 backedges. 1034 proven. 208 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:36:19,207 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:36:21,673 INFO L134 CoverageAnalysis]: Checked inductivity of 1242 backedges. 1151 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:36:21,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1073506631] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:36:21,673 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:36:21,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [85, 53, 53] total 189 [2024-11-21 15:36:21,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528155226] [2024-11-21 15:36:21,673 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:36:21,674 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 190 states [2024-11-21 15:36:21,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:36:21,676 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 190 interpolants. [2024-11-21 15:36:21,678 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6773, Invalid=29137, Unknown=0, NotChecked=0, Total=35910 [2024-11-21 15:36:21,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:36:21,679 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:36:21,679 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 190 states, 190 states have (on average 4.978947368421053) internal successors, (946), 189 states have internal predecessors, (946), 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) [2024-11-21 15:36:21,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:36:21,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:36:21,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:36:21,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 15:36:21,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:36:21,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-11-21 15:36:21,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-21 15:36:21,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2024-11-21 15:36:21,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:36:22,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:36:22,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:36:22,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:36:22,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 15:36:22,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:36:22,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-21 15:36:22,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-21 15:36:22,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-11-21 15:36:22,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-11-21 15:36:22,219 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-21 15:36:22,405 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-21 15:36:22,406 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-21 15:36:22,406 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:36:22,406 INFO L139 ounterexampleChecker]: Examining path program with hash 1788807038, occurence #2 [2024-11-21 15:36:22,406 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:36:22,406 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:36:22,406 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:36:22,406 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2024-11-21 15:36:22,406 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:36:22,406 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-21 15:36:22,406 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:36:22,406 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2024-11-21 15:36:22,406 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:36:22,406 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2024-11-21 15:36:22,406 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:36:22,406 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 235 [2024-11-21 15:36:22,407 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:36:22,407 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 309 [2024-11-21 15:36:22,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:36:22,417 INFO L85 PathProgramCache]: Analyzing trace with hash 164111783, now seen corresponding path program 1 times [2024-11-21 15:36:22,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:36:22,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595477675] [2024-11-21 15:36:22,417 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:36:22,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:36:22,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:36:26,888 INFO L134 CoverageAnalysis]: Checked inductivity of 1518 backedges. 1112 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:36:26,888 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:36:26,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595477675] [2024-11-21 15:36:26,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595477675] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:36:26,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [198419840] [2024-11-21 15:36:26,888 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:36:26,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:36:26,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:36:26,974 INFO L256 TraceCheckSpWp]: Trace formula consists of 1395 conjuncts, 99 conjuncts are in the unsatisfiable core [2024-11-21 15:36:26,978 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:36:32,359 INFO L134 CoverageAnalysis]: Checked inductivity of 1518 backedges. 995 proven. 523 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:36:32,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [198419840] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:36:32,359 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:36:32,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [95, 95] total 190 [2024-11-21 15:36:32,360 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:36:32,360 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 322 [2024-11-21 15:36:32,360 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:36:32,360 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 327 [2024-11-21 15:36:32,360 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:36:32,360 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 331 [2024-11-21 15:36:32,360 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:36:32,360 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 333 [2024-11-21 15:36:32,360 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:36:32,360 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:36:32,360 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:36:32,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:36:32,360 INFO L85 PathProgramCache]: Analyzing trace with hash -1933725794, now seen corresponding path program 8 times [2024-11-21 15:36:32,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:36:32,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318906195] [2024-11-21 15:36:32,360 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:36:32,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:36:32,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:36:37,215 INFO L134 CoverageAnalysis]: Checked inductivity of 1557 backedges. 1136 proven. 421 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:36:37,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:36:37,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318906195] [2024-11-21 15:36:37,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318906195] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:36:37,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1770004649] [2024-11-21 15:36:37,216 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 15:36:37,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:36:37,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:36:37,218 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:36:37,218 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-21 15:36:37,467 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-21 15:36:37,467 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:36:37,473 INFO L256 TraceCheckSpWp]: Trace formula consists of 1500 conjuncts, 71 conjuncts are in the unsatisfiable core [2024-11-21 15:36:37,477 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:36:40,781 INFO L134 CoverageAnalysis]: Checked inductivity of 1557 backedges. 1034 proven. 523 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:36:40,782 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:36:44,316 INFO L134 CoverageAnalysis]: Checked inductivity of 1557 backedges. 1151 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:36:44,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1770004649] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:36:44,316 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:36:44,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [100, 68, 68] total 234 [2024-11-21 15:36:44,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675502069] [2024-11-21 15:36:44,316 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:36:44,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 235 states [2024-11-21 15:36:44,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:36:44,319 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 235 interpolants. [2024-11-21 15:36:44,323 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9371, Invalid=45619, Unknown=0, NotChecked=0, Total=54990 [2024-11-21 15:36:44,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:36:44,323 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:36:44,324 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 235 states, 235 states have (on average 4.217021276595744) internal successors, (991), 234 states have internal predecessors, (991), 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) [2024-11-21 15:36:44,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:36:44,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:36:44,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:36:44,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 15:36:44,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:36:44,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-11-21 15:36:44,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-21 15:36:44,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2024-11-21 15:36:44,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-11-21 15:36:44,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:36:45,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:36:45,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:36:45,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:36:45,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 15:36:45,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:36:45,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-21 15:36:45,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-21 15:36:45,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-11-21 15:36:45,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-11-21 15:36:45,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-11-21 15:36:45,428 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-21 15:36:45,615 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,SelfDestructingSolverStorable30,SelfDestructingSolverStorable31,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:36:45,615 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-21 15:36:45,615 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:36:45,615 INFO L139 ounterexampleChecker]: Examining path program with hash 1788807038, occurence #3 [2024-11-21 15:36:45,615 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:36:45,615 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:36:45,615 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:36:45,615 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2024-11-21 15:36:45,615 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:36:45,615 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 44 [2024-11-21 15:36:45,615 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:36:45,615 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 47 [2024-11-21 15:36:45,615 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:36:45,615 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 50 [2024-11-21 15:36:45,615 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:36:45,616 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 246 [2024-11-21 15:36:45,616 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:36:45,616 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 320 [2024-11-21 15:36:45,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:36:45,625 INFO L85 PathProgramCache]: Analyzing trace with hash 2040585752, now seen corresponding path program 1 times [2024-11-21 15:36:45,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:36:45,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082328151] [2024-11-21 15:36:45,625 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:36:45,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:36:46,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 15:36:46,180 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-21 15:36:46,181 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-21 15:36:46,181 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 333 [2024-11-21 15:36:46,181 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:36:46,181 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 338 [2024-11-21 15:36:46,181 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:36:46,181 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 342 [2024-11-21 15:36:46,181 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:36:46,181 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 344 [2024-11-21 15:36:46,181 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:36:46,181 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:36:46,181 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:36:46,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:36:46,182 INFO L85 PathProgramCache]: Analyzing trace with hash 1131780748, now seen corresponding path program 9 times [2024-11-21 15:36:46,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:36:46,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694298307] [2024-11-21 15:36:46,182 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:36:46,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:36:46,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:36:50,376 INFO L134 CoverageAnalysis]: Checked inductivity of 1931 backedges. 703 proven. 1072 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-21 15:36:50,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:36:50,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694298307] [2024-11-21 15:36:50,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694298307] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:36:50,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1919520663] [2024-11-21 15:36:50,377 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-21 15:36:50,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:36:50,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:36:50,379 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:36:50,379 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-21 15:36:51,464 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2024-11-21 15:36:51,465 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:36:51,474 INFO L256 TraceCheckSpWp]: Trace formula consists of 1446 conjuncts, 71 conjuncts are in the unsatisfiable core [2024-11-21 15:36:51,478 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:36:54,025 INFO L134 CoverageAnalysis]: Checked inductivity of 1931 backedges. 0 proven. 1151 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2024-11-21 15:36:54,025 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:36:54,673 INFO L134 CoverageAnalysis]: Checked inductivity of 1931 backedges. 342 proven. 15 refuted. 0 times theorem prover too weak. 1574 trivial. 0 not checked. [2024-11-21 15:36:54,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1919520663] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:36:54,673 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:36:54,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [67, 72, 13] total 149 [2024-11-21 15:36:54,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618166710] [2024-11-21 15:36:54,673 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:36:54,674 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 149 states [2024-11-21 15:36:54,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:36:54,675 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 149 interpolants. [2024-11-21 15:36:54,676 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2074, Invalid=19978, Unknown=0, NotChecked=0, Total=22052 [2024-11-21 15:36:54,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:36:54,676 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:36:54,676 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 149 states, 149 states have (on average 4.74496644295302) internal successors, (707), 149 states have internal predecessors, (707), 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) [2024-11-21 15:36:54,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:36:54,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:36:54,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:36:54,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 15:36:54,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:36:54,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-11-21 15:36:54,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-21 15:36:54,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2024-11-21 15:36:54,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-11-21 15:36:54,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-11-21 15:36:54,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:36:59,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:36:59,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:36:59,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:36:59,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 15:36:59,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:36:59,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-21 15:36:59,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-21 15:36:59,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-11-21 15:36:59,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-11-21 15:36:59,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-11-21 15:36:59,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2024-11-21 15:36:59,969 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-21 15:37:00,152 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,SelfDestructingSolverStorable33,11 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:37:00,152 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-21 15:37:00,152 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:37:00,153 INFO L139 ounterexampleChecker]: Examining path program with hash -1728137945, occurence #1 [2024-11-21 15:37:00,153 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 15:37:00,153 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:37:00,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:37:00,153 INFO L85 PathProgramCache]: Analyzing trace with hash 2120088974, now seen corresponding path program 10 times [2024-11-21 15:37:00,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:37:00,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191071659] [2024-11-21 15:37:00,153 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:37:00,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:37:00,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:37:08,177 INFO L134 CoverageAnalysis]: Checked inductivity of 2420 backedges. 1622 proven. 798 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:37:08,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:37:08,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191071659] [2024-11-21 15:37:08,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191071659] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:37:08,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [563985034] [2024-11-21 15:37:08,177 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-21 15:37:08,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:37:08,178 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:37:08,180 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:37:08,181 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-21 15:37:08,403 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-21 15:37:08,403 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:37:08,407 INFO L256 TraceCheckSpWp]: Trace formula consists of 657 conjuncts, 87 conjuncts are in the unsatisfiable core [2024-11-21 15:37:08,411 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:37:13,256 INFO L134 CoverageAnalysis]: Checked inductivity of 2420 backedges. 128 proven. 1512 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2024-11-21 15:37:13,256 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:37:14,216 INFO L134 CoverageAnalysis]: Checked inductivity of 2420 backedges. 105 proven. 392 refuted. 0 times theorem prover too weak. 1923 trivial. 0 not checked. [2024-11-21 15:37:14,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [563985034] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:37:14,217 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:37:14,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [127, 88, 13] total 225 [2024-11-21 15:37:14,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30077934] [2024-11-21 15:37:14,217 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:37:14,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 225 states [2024-11-21 15:37:14,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:37:14,219 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 225 interpolants. [2024-11-21 15:37:14,222 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5067, Invalid=45333, Unknown=0, NotChecked=0, Total=50400 [2024-11-21 15:37:14,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:37:14,222 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:37:14,223 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 225 states, 225 states have (on average 4.093333333333334) internal successors, (921), 225 states have internal predecessors, (921), 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) [2024-11-21 15:37:14,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:37:14,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:37:14,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:37:14,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 15:37:14,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:37:14,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-11-21 15:37:14,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-21 15:37:14,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-11-21 15:37:14,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-11-21 15:37:14,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-11-21 15:37:14,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2024-11-21 15:37:14,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:37:24,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:37:24,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:37:24,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:37:24,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 15:37:24,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:37:24,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-21 15:37:24,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-21 15:37:24,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-11-21 15:37:24,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-11-21 15:37:24,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-11-21 15:37:24,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2024-11-21 15:37:24,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 178 states. [2024-11-21 15:37:24,416 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-21 15:37:24,605 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2024-11-21 15:37:24,605 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-21 15:37:24,605 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:37:24,605 INFO L139 ounterexampleChecker]: Examining path program with hash -1728137945, occurence #2 [2024-11-21 15:37:24,605 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:37:24,605 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:37:24,605 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:37:24,606 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42 [2024-11-21 15:37:24,606 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:37:24,606 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2024-11-21 15:37:24,606 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:37:24,606 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-11-21 15:37:24,606 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:37:24,606 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2024-11-21 15:37:24,606 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:37:24,606 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 439 [2024-11-21 15:37:24,606 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:37:24,606 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 549 [2024-11-21 15:37:24,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:37:24,614 INFO L85 PathProgramCache]: Analyzing trace with hash 1850782866, now seen corresponding path program 1 times [2024-11-21 15:37:24,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:37:24,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450536588] [2024-11-21 15:37:24,614 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:37:24,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:37:24,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:37:39,327 INFO L134 CoverageAnalysis]: Checked inductivity of 5421 backedges. 4601 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:37:39,327 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:37:39,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450536588] [2024-11-21 15:37:39,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450536588] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:37:39,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [897776767] [2024-11-21 15:37:39,327 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:37:39,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:37:39,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:37:39,504 INFO L256 TraceCheckSpWp]: Trace formula consists of 2358 conjuncts, 168 conjuncts are in the unsatisfiable core [2024-11-21 15:37:39,511 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:37:55,431 INFO L134 CoverageAnalysis]: Checked inductivity of 5421 backedges. 4352 proven. 1069 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:37:55,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [897776767] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:37:55,431 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:37:55,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [164, 164] total 328 [2024-11-21 15:37:55,431 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:37:55,431 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 558 [2024-11-21 15:37:55,431 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:37:55,431 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 565 [2024-11-21 15:37:55,431 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:37:55,431 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 570 [2024-11-21 15:37:55,431 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:37:55,431 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 574 [2024-11-21 15:37:55,431 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:37:55,432 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 578 [2024-11-21 15:37:55,432 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:37:55,432 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 582 [2024-11-21 15:37:55,432 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:37:55,432 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 586 [2024-11-21 15:37:55,432 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:37:55,432 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 590 [2024-11-21 15:37:55,432 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:37:55,432 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 594 [2024-11-21 15:37:55,432 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:37:55,432 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 598 [2024-11-21 15:37:55,432 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:37:55,432 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 600 [2024-11-21 15:37:55,432 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:37:55,432 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 602 [2024-11-21 15:37:55,432 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:37:55,432 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:37:55,432 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:37:55,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:37:55,433 INFO L85 PathProgramCache]: Analyzing trace with hash 1398471965, now seen corresponding path program 11 times [2024-11-21 15:37:55,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:37:55,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440605624] [2024-11-21 15:37:55,433 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:37:55,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:37:55,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:38:11,931 INFO L134 CoverageAnalysis]: Checked inductivity of 5576 backedges. 4729 proven. 847 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:38:11,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:38:11,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440605624] [2024-11-21 15:38:11,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440605624] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:38:11,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1826871367] [2024-11-21 15:38:11,931 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-21 15:38:11,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:38:11,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:38:11,935 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:38:11,936 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-21 15:40:16,482 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 24 check-sat command(s) [2024-11-21 15:40:16,483 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:40:16,655 INFO L256 TraceCheckSpWp]: Trace formula consists of 2583 conjuncts, 113 conjuncts are in the unsatisfiable core [2024-11-21 15:40:16,662 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:40:24,645 INFO L134 CoverageAnalysis]: Checked inductivity of 5576 backedges. 4379 proven. 1069 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-11-21 15:40:24,645 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:40:34,281 INFO L134 CoverageAnalysis]: Checked inductivity of 5576 backedges. 4601 proven. 847 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-11-21 15:40:34,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1826871367] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:40:34,281 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:40:34,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [177, 110, 110] total 395 [2024-11-21 15:40:34,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442264418] [2024-11-21 15:40:34,282 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:40:34,283 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 396 states [2024-11-21 15:40:34,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:40:34,287 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 396 interpolants. [2024-11-21 15:40:34,293 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26025, Invalid=130395, Unknown=0, NotChecked=0, Total=156420 [2024-11-21 15:40:34,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:40:34,293 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:40:34,294 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 396 states, 396 states have (on average 4.414141414141414) internal successors, (1748), 395 states have internal predecessors, (1748), 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) [2024-11-21 15:40:34,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:40:34,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:40:34,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:40:34,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 15:40:34,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:40:34,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-11-21 15:40:34,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-21 15:40:34,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-11-21 15:40:34,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-11-21 15:40:34,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-11-21 15:40:34,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2024-11-21 15:40:34,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 178 states. [2024-11-21 15:40:34,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:40:36,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:40:36,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:40:36,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:40:36,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 15:40:36,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:40:36,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-21 15:40:36,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-21 15:40:36,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-11-21 15:40:36,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-11-21 15:40:36,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-11-21 15:40:36,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2024-11-21 15:40:36,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 178 states. [2024-11-21 15:40:36,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2024-11-21 15:40:36,697 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-21 15:40:36,852 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35,SelfDestructingSolverStorable36,SelfDestructingSolverStorable37 [2024-11-21 15:40:36,852 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-21 15:40:36,852 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:40:36,853 INFO L139 ounterexampleChecker]: Examining path program with hash -1728137945, occurence #3 [2024-11-21 15:40:36,853 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:40:36,853 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:40:36,853 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:40:36,853 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 70 [2024-11-21 15:40:36,853 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:40:36,853 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-11-21 15:40:36,853 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:40:36,853 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 76 [2024-11-21 15:40:36,853 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:40:36,853 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 79 [2024-11-21 15:40:36,853 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:40:36,854 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 467 [2024-11-21 15:40:36,854 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:40:36,854 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 577 [2024-11-21 15:40:36,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:40:36,862 INFO L85 PathProgramCache]: Analyzing trace with hash -443615979, now seen corresponding path program 1 times [2024-11-21 15:40:36,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:40:36,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179471138] [2024-11-21 15:40:36,862 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:40:36,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:40:38,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 15:40:38,678 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-21 15:40:38,678 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-21 15:40:38,679 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 586 [2024-11-21 15:40:38,679 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:40:38,679 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 593 [2024-11-21 15:40:38,679 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:40:38,679 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 598 [2024-11-21 15:40:38,679 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:40:38,679 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 602 [2024-11-21 15:40:38,679 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:40:38,679 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 606 [2024-11-21 15:40:38,679 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:40:38,679 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 610 [2024-11-21 15:40:38,679 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:40:38,679 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 614 [2024-11-21 15:40:38,679 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:40:38,679 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 618 [2024-11-21 15:40:38,679 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:40:38,679 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 622 [2024-11-21 15:40:38,679 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:40:38,679 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 626 [2024-11-21 15:40:38,679 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:40:38,679 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 628 [2024-11-21 15:40:38,679 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:40:38,679 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 630 [2024-11-21 15:40:38,679 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:40:38,679 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:40:38,679 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:40:38,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:40:38,680 INFO L85 PathProgramCache]: Analyzing trace with hash 1865391517, now seen corresponding path program 12 times [2024-11-21 15:40:38,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:40:38,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130572430] [2024-11-21 15:40:38,680 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:40:38,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:40:40,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Killed by 15