./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/parallel-misc-5.wvr.c --traceabstraction.use.conditional.por.in.concurrent.analysis true --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ebd41074 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 ../../../trunk/examples/svcomp/weaver/parallel-misc-5.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 103efe8931e099ca6c2446ad32c4c46818a6d213fc850bc42032bda38d601e6f --traceabstraction.use.conditional.por.in.concurrent.analysis true --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT --- Real Ultimate output --- This is Ultimate 0.3.0-dev-ebd4107-m [2025-01-24 02:20:24,252 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-24 02:20:24,324 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2025-01-24 02:20:24,327 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-24 02:20:24,327 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-24 02:20:24,372 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-24 02:20:24,374 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-24 02:20:24,374 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-24 02:20:24,374 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-24 02:20:24,374 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-24 02:20:24,375 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-24 02:20:24,375 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-24 02:20:24,375 INFO L153 SettingsManager]: * Use SBE=true [2025-01-24 02:20:24,375 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-24 02:20:24,375 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-24 02:20:24,376 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-24 02:20:24,377 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-24 02:20:24,377 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-24 02:20:24,377 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-24 02:20:24,377 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-24 02:20:24,377 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-24 02:20:24,377 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-24 02:20:24,377 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-24 02:20:24,377 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-24 02:20:24,377 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-24 02:20:24,377 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-24 02:20:24,377 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-24 02:20:24,377 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-24 02:20:24,377 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-24 02:20:24,377 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-24 02:20:24,377 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-24 02:20:24,377 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-24 02:20:24,377 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-24 02:20:24,377 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-24 02:20:24,377 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-01-24 02:20:24,377 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-24 02:20:24,378 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-24 02:20:24,378 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-01-24 02:20:24,378 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-24 02:20:24,378 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-24 02:20:24,378 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-01-24 02:20:24,378 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-01-24 02:20:24,378 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-01-24 02:20:24,378 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 -> 103efe8931e099ca6c2446ad32c4c46818a6d213fc850bc42032bda38d601e6f Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use conditional POR in concurrent analysis -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NECESSARY_AND_SUFFICIENT [2025-01-24 02:20:24,627 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-24 02:20:24,631 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-24 02:20:24,633 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-24 02:20:24,633 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-24 02:20:24,634 INFO L274 PluginConnector]: CDTParser initialized [2025-01-24 02:20:24,634 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/parallel-misc-5.wvr.c [2025-01-24 02:20:25,776 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/499adea4e/45f2687417f2419c97b0be84b343e418/FLAG01df402c2 [2025-01-24 02:20:25,965 INFO L384 CDTParser]: Found 1 translation units. [2025-01-24 02:20:25,966 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/parallel-misc-5.wvr.c [2025-01-24 02:20:25,971 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/499adea4e/45f2687417f2419c97b0be84b343e418/FLAG01df402c2 [2025-01-24 02:20:26,341 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/499adea4e/45f2687417f2419c97b0be84b343e418 [2025-01-24 02:20:26,343 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-24 02:20:26,344 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-24 02:20:26,346 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-24 02:20:26,346 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-24 02:20:26,349 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-24 02:20:26,350 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 02:20:26" (1/1) ... [2025-01-24 02:20:26,350 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54d309c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:20:26, skipping insertion in model container [2025-01-24 02:20:26,350 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 02:20:26" (1/1) ... [2025-01-24 02:20:26,365 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-24 02:20:26,485 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/parallel-misc-5.wvr.c[3066,3079] [2025-01-24 02:20:26,490 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-24 02:20:26,497 INFO L200 MainTranslator]: Completed pre-run [2025-01-24 02:20:26,549 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/parallel-misc-5.wvr.c[3066,3079] [2025-01-24 02:20:26,549 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-24 02:20:26,559 INFO L204 MainTranslator]: Completed translation [2025-01-24 02:20:26,561 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:20:26 WrapperNode [2025-01-24 02:20:26,561 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-24 02:20:26,562 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-24 02:20:26,562 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-24 02:20:26,562 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-24 02:20:26,566 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:20:26" (1/1) ... [2025-01-24 02:20:26,569 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:20:26" (1/1) ... [2025-01-24 02:20:26,584 INFO L138 Inliner]: procedures = 21, calls = 30, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 129 [2025-01-24 02:20:26,585 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-24 02:20:26,585 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-24 02:20:26,585 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-24 02:20:26,586 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-24 02:20:26,590 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:20:26" (1/1) ... [2025-01-24 02:20:26,590 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:20:26" (1/1) ... [2025-01-24 02:20:26,592 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:20:26" (1/1) ... [2025-01-24 02:20:26,595 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:20:26" (1/1) ... [2025-01-24 02:20:26,599 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:20:26" (1/1) ... [2025-01-24 02:20:26,599 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:20:26" (1/1) ... [2025-01-24 02:20:26,601 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:20:26" (1/1) ... [2025-01-24 02:20:26,602 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:20:26" (1/1) ... [2025-01-24 02:20:26,602 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:20:26" (1/1) ... [2025-01-24 02:20:26,603 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-24 02:20:26,603 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-24 02:20:26,604 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-24 02:20:26,604 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-24 02:20:26,604 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:20:26" (1/1) ... [2025-01-24 02:20:26,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-24 02:20:26,615 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 02:20:26,623 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) [2025-01-24 02:20:26,624 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 [2025-01-24 02:20:26,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-24 02:20:26,638 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-01-24 02:20:26,638 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-01-24 02:20:26,638 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-01-24 02:20:26,638 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-01-24 02:20:26,638 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-01-24 02:20:26,639 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-01-24 02:20:26,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-01-24 02:20:26,639 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-01-24 02:20:26,639 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-01-24 02:20:26,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-24 02:20:26,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-24 02:20:26,640 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-01-24 02:20:26,692 INFO L234 CfgBuilder]: Building ICFG [2025-01-24 02:20:26,694 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-24 02:20:26,864 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-24 02:20:26,864 INFO L283 CfgBuilder]: Performing block encoding [2025-01-24 02:20:26,976 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-24 02:20:26,976 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-24 02:20:26,977 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 02:20:26 BoogieIcfgContainer [2025-01-24 02:20:26,977 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-24 02:20:26,978 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-24 02:20:26,979 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-24 02:20:26,982 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-24 02:20:26,983 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.01 02:20:26" (1/3) ... [2025-01-24 02:20:26,983 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a13808 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.01 02:20:26, skipping insertion in model container [2025-01-24 02:20:26,983 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:20:26" (2/3) ... [2025-01-24 02:20:26,983 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a13808 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.01 02:20:26, skipping insertion in model container [2025-01-24 02:20:26,983 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 02:20:26" (3/3) ... [2025-01-24 02:20:26,984 INFO L128 eAbstractionObserver]: Analyzing ICFG parallel-misc-5.wvr.c [2025-01-24 02:20:26,995 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-24 02:20:26,996 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG parallel-misc-5.wvr.c that has 4 procedures, 33 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2025-01-24 02:20:26,996 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-24 02:20:27,054 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-01-24 02:20:27,083 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-24 02:20:27,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-01-24 02:20:27,083 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 02:20:27,088 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) [2025-01-24 02:20:27,090 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 [2025-01-24 02:20:27,138 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-01-24 02:20:27,148 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-01-24 02:20:27,153 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;@2b130f98, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-24 02:20:27,153 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-01-24 02:20:27,458 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 1 more)] === [2025-01-24 02:20:27,458 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:20:27,458 INFO L139 ounterexampleChecker]: Examining path program with hash -736072672, occurence #1 [2025-01-24 02:20:27,458 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 02:20:27,458 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:20:27,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:20:27,462 INFO L85 PathProgramCache]: Analyzing trace with hash -1149330371, now seen corresponding path program 1 times [2025-01-24 02:20:27,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:20:27,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930596076] [2025-01-24 02:20:27,467 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:20:27,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:20:27,515 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-01-24 02:20:27,570 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-01-24 02:20:27,571 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:20:27,572 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:20:27,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 02:20:27,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:20:27,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930596076] [2025-01-24 02:20:27,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930596076] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-24 02:20:27,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-24 02:20:27,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-24 02:20:27,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052059805] [2025-01-24 02:20:27,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-24 02:20:27,794 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-24 02:20:27,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:20:27,806 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-24 02:20:27,806 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-24 02:20:27,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:20:27,808 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:20:27,810 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2025-01-24 02:20:27,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:20:27,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:20:27,912 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-24 02:20:27,912 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 1 more)] === [2025-01-24 02:20:27,912 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:20:27,912 INFO L139 ounterexampleChecker]: Examining path program with hash 1495122372, occurence #1 [2025-01-24 02:20:27,912 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 02:20:27,912 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:20:27,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:20:27,912 INFO L85 PathProgramCache]: Analyzing trace with hash -727251676, now seen corresponding path program 1 times [2025-01-24 02:20:27,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:20:27,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99451274] [2025-01-24 02:20:27,913 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:20:27,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:20:27,921 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-01-24 02:20:27,942 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-01-24 02:20:27,944 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:20:27,944 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:20:28,295 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 02:20:28,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:20:28,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99451274] [2025-01-24 02:20:28,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99451274] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:20:28,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1066250315] [2025-01-24 02:20:28,297 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:20:28,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:20:28,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 02:20:28,303 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) [2025-01-24 02:20:28,304 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 [2025-01-24 02:20:28,353 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-01-24 02:20:28,373 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-01-24 02:20:28,374 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:20:28,374 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:20:28,375 INFO L256 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-01-24 02:20:28,379 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:20:28,494 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 02:20:28,494 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 02:20:28,658 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 02:20:28,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1066250315] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 02:20:28,658 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 02:20:28,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 16 [2025-01-24 02:20:28,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039382014] [2025-01-24 02:20:28,663 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 02:20:28,663 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-01-24 02:20:28,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:20:28,664 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-01-24 02:20:28,664 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2025-01-24 02:20:28,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:20:28,664 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:20:28,665 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 4.352941176470588) internal successors, (74), 16 states have internal predecessors, (74), 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) [2025-01-24 02:20:28,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:20:28,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:20:29,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:20:29,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-24 02:20:29,338 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-01-24 02:20:29,536 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:20:29,536 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 1 more)] === [2025-01-24 02:20:29,537 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:20:29,537 INFO L139 ounterexampleChecker]: Examining path program with hash -78440846, occurence #1 [2025-01-24 02:20:29,537 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 02:20:29,537 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:20:29,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:20:29,538 INFO L85 PathProgramCache]: Analyzing trace with hash -1195958773, now seen corresponding path program 1 times [2025-01-24 02:20:29,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:20:29,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647432866] [2025-01-24 02:20:29,538 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:20:29,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:20:29,544 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-01-24 02:20:29,559 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-01-24 02:20:29,562 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:20:29,562 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:20:29,672 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 02:20:29,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:20:29,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647432866] [2025-01-24 02:20:29,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647432866] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:20:29,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1907828776] [2025-01-24 02:20:29,673 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:20:29,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:20:29,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 02:20:29,678 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) [2025-01-24 02:20:29,684 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 [2025-01-24 02:20:29,723 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-01-24 02:20:29,742 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-01-24 02:20:29,743 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:20:29,743 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:20:29,743 INFO L256 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-24 02:20:29,745 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:20:29,785 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 02:20:29,785 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 02:20:29,821 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 02:20:29,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1907828776] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 02:20:29,822 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 02:20:29,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 4, 3] total 4 [2025-01-24 02:20:29,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454017426] [2025-01-24 02:20:29,822 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 02:20:29,823 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-24 02:20:29,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:20:29,823 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-24 02:20:29,823 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-01-24 02:20:29,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:20:29,824 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:20:29,824 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 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) [2025-01-24 02:20:29,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:20:29,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-24 02:20:29,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:20:30,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:20:30,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-24 02:20:30,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:20:30,023 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-01-24 02:20:30,221 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:20:30,221 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 1 more)] === [2025-01-24 02:20:30,221 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:20:30,221 INFO L139 ounterexampleChecker]: Examining path program with hash 608805819, occurence #1 [2025-01-24 02:20:30,221 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 02:20:30,221 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:20:30,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:20:30,222 INFO L85 PathProgramCache]: Analyzing trace with hash -2043068323, now seen corresponding path program 1 times [2025-01-24 02:20:30,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:20:30,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269638600] [2025-01-24 02:20:30,222 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:20:30,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:20:30,227 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 56 statements into 1 equivalence classes. [2025-01-24 02:20:30,244 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 56 of 56 statements. [2025-01-24 02:20:30,244 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:20:30,244 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:20:30,482 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2025-01-24 02:20:30,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:20:30,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269638600] [2025-01-24 02:20:30,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269638600] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-24 02:20:30,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-24 02:20:30,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-24 02:20:30,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537375979] [2025-01-24 02:20:30,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-24 02:20:30,483 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-24 02:20:30,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:20:30,483 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-24 02:20:30,484 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-24 02:20:30,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:20:30,484 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:20:30,484 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 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) [2025-01-24 02:20:30,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:20:30,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-24 02:20:30,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:20:30,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:20:30,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:20:30,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-24 02:20:30,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:20:30,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:20:30,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-24 02:20:30,751 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 1 more)] === [2025-01-24 02:20:30,751 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:20:30,751 INFO L139 ounterexampleChecker]: Examining path program with hash 5976720, occurence #1 [2025-01-24 02:20:30,751 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 02:20:30,751 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:20:30,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:20:30,752 INFO L85 PathProgramCache]: Analyzing trace with hash 2005289635, now seen corresponding path program 1 times [2025-01-24 02:20:30,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:20:30,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378121878] [2025-01-24 02:20:30,752 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:20:30,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:20:30,757 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-01-24 02:20:30,769 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-01-24 02:20:30,770 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:20:30,770 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:20:31,005 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 02:20:31,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:20:31,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378121878] [2025-01-24 02:20:31,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378121878] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-24 02:20:31,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-24 02:20:31,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2025-01-24 02:20:31,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768404545] [2025-01-24 02:20:31,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-24 02:20:31,006 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-01-24 02:20:31,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:20:31,007 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-01-24 02:20:31,007 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2025-01-24 02:20:31,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:20:31,007 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:20:31,007 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.0) internal successors, (48), 11 states have internal predecessors, (48), 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) [2025-01-24 02:20:31,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:20:31,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-24 02:20:31,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:20:31,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:20:31,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:20:31,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:20:31,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-24 02:20:31,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:20:31,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:20:31,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 02:20:31,692 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-24 02:20:31,692 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 1 more)] === [2025-01-24 02:20:31,692 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:20:31,692 INFO L139 ounterexampleChecker]: Examining path program with hash 1425994845, occurence #1 [2025-01-24 02:20:31,692 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 02:20:31,692 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:20:31,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:20:31,693 INFO L85 PathProgramCache]: Analyzing trace with hash -457614067, now seen corresponding path program 2 times [2025-01-24 02:20:31,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:20:31,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355377047] [2025-01-24 02:20:31,693 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-24 02:20:31,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:20:31,699 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 76 statements into 2 equivalence classes. [2025-01-24 02:20:31,709 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 76 of 76 statements. [2025-01-24 02:20:31,709 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-24 02:20:31,709 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:20:31,816 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 46 proven. 33 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-01-24 02:20:31,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:20:31,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355377047] [2025-01-24 02:20:31,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355377047] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:20:31,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1876950622] [2025-01-24 02:20:31,816 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-24 02:20:31,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:20:31,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 02:20:31,820 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) [2025-01-24 02:20:31,821 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 [2025-01-24 02:20:31,860 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 76 statements into 2 equivalence classes. [2025-01-24 02:20:31,885 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 76 of 76 statements. [2025-01-24 02:20:31,886 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-24 02:20:31,886 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:20:31,887 INFO L256 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-01-24 02:20:31,889 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:20:32,034 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 24 proven. 59 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-24 02:20:32,035 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 02:20:32,214 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 30 proven. 53 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-24 02:20:32,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1876950622] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 02:20:32,214 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 02:20:32,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 12, 11] total 19 [2025-01-24 02:20:32,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756809435] [2025-01-24 02:20:32,214 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 02:20:32,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-01-24 02:20:32,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:20:32,215 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-01-24 02:20:32,215 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=304, Unknown=0, NotChecked=0, Total=380 [2025-01-24 02:20:32,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:20:32,215 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:20:32,216 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 7.35) internal successors, (147), 19 states have internal predecessors, (147), 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) [2025-01-24 02:20:32,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:20:32,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-24 02:20:32,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:20:32,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:20:32,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-24 02:20:32,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:20:33,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:20:33,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-24 02:20:33,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:20:33,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:20:33,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 02:20:33,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-01-24 02:20:33,986 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-01-24 02:20:34,164 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:20:34,164 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 1 more)] === [2025-01-24 02:20:34,164 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:20:34,165 INFO L139 ounterexampleChecker]: Examining path program with hash -741095739, occurence #1 [2025-01-24 02:20:34,165 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 02:20:34,165 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:20:34,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:20:34,165 INFO L85 PathProgramCache]: Analyzing trace with hash -1913052285, now seen corresponding path program 2 times [2025-01-24 02:20:34,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:20:34,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652724643] [2025-01-24 02:20:34,166 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-24 02:20:34,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:20:34,174 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 88 statements into 2 equivalence classes. [2025-01-24 02:20:34,191 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 88 of 88 statements. [2025-01-24 02:20:34,191 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-24 02:20:34,191 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:20:34,344 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 72 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 02:20:34,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:20:34,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652724643] [2025-01-24 02:20:34,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652724643] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:20:34,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [841453108] [2025-01-24 02:20:34,345 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-24 02:20:34,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:20:34,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 02:20:34,346 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) [2025-01-24 02:20:34,348 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 [2025-01-24 02:20:34,385 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 88 statements into 2 equivalence classes. [2025-01-24 02:20:34,411 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 88 of 88 statements. [2025-01-24 02:20:34,411 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-24 02:20:34,411 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:20:34,412 INFO L256 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-01-24 02:20:34,413 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:20:34,489 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 72 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 02:20:34,489 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 02:20:34,591 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 72 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 02:20:34,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [841453108] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 02:20:34,591 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 02:20:34,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9, 8] total 10 [2025-01-24 02:20:34,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185713442] [2025-01-24 02:20:34,592 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 02:20:34,592 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-01-24 02:20:34,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:20:34,592 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-24 02:20:34,593 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=56, Unknown=0, NotChecked=0, Total=110 [2025-01-24 02:20:34,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:20:34,593 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:20:34,593 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.909090909090908) internal successors, (120), 10 states have internal predecessors, (120), 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) [2025-01-24 02:20:34,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:20:34,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-24 02:20:34,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:20:34,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:20:34,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-24 02:20:34,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-01-24 02:20:34,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:20:35,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:20:35,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-24 02:20:35,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:20:35,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:20:35,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 02:20:35,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-01-24 02:20:35,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:20:35,577 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-01-24 02:20:35,770 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:20:35,771 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 1 more)] === [2025-01-24 02:20:35,771 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:20:35,771 INFO L139 ounterexampleChecker]: Examining path program with hash 1425994845, occurence #2 [2025-01-24 02:20:35,771 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 02:20:35,771 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-01-24 02:20:35,782 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:20:35,782 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-01-24 02:20:35,782 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:20:35,782 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2025-01-24 02:20:35,782 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:20:35,783 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2025-01-24 02:20:35,783 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:20:35,783 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2025-01-24 02:20:35,783 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:20:35,783 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 81 [2025-01-24 02:20:35,783 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:20:35,783 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 85 [2025-01-24 02:20:35,784 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:20:35,784 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 89 [2025-01-24 02:20:35,784 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:20:35,784 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2025-01-24 02:20:35,784 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:20:35,784 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 96 [2025-01-24 02:20:35,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:20:35,813 INFO L85 PathProgramCache]: Analyzing trace with hash 1430671033, now seen corresponding path program 1 times [2025-01-24 02:20:35,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 02:20:35,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276305497] [2025-01-24 02:20:35,814 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:20:35,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:20:35,822 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-01-24 02:20:35,844 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-01-24 02:20:35,844 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:20:35,844 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:20:36,203 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 189 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 02:20:36,204 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-24 02:20:36,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276305497] [2025-01-24 02:20:36,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276305497] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:20:36,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1783399403] [2025-01-24 02:20:36,204 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:20:36,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:20:36,209 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-01-24 02:20:36,242 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-01-24 02:20:36,246 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:20:36,246 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:20:36,248 INFO L256 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-01-24 02:20:36,250 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:20:36,382 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 168 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 02:20:36,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1783399403] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:20:36,383 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 02:20:36,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 16 [2025-01-24 02:20:36,383 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-24 02:20:36,383 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 107 [2025-01-24 02:20:36,383 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:20:36,383 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 109 [2025-01-24 02:20:36,383 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:20:36,383 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 02:20:36,383 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:20:36,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:20:36,384 INFO L85 PathProgramCache]: Analyzing trace with hash -1763510323, now seen corresponding path program 3 times [2025-01-24 02:20:36,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:20:36,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550025908] [2025-01-24 02:20:36,384 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-24 02:20:36,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:20:36,390 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 112 statements into 8 equivalence classes. [2025-01-24 02:20:36,406 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 44 of 112 statements. [2025-01-24 02:20:36,406 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-01-24 02:20:36,406 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:20:36,521 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2025-01-24 02:20:36,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:20:36,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550025908] [2025-01-24 02:20:36,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550025908] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-24 02:20:36,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-24 02:20:36,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-24 02:20:36,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721198994] [2025-01-24 02:20:36,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-24 02:20:36,522 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-24 02:20:36,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:20:36,523 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-24 02:20:36,523 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-24 02:20:36,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:20:36,523 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:20:36,523 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 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) [2025-01-24 02:20:36,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:20:36,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-24 02:20:36,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:20:36,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:20:36,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-24 02:20:36,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-01-24 02:20:36,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:20:36,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:20:37,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:20:37,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-24 02:20:37,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:20:37,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:20:37,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 02:20:37,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-01-24 02:20:37,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:20:37,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:20:37,085 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable9 [2025-01-24 02:20:37,085 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 1 more)] === [2025-01-24 02:20:37,085 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:20:37,085 INFO L139 ounterexampleChecker]: Examining path program with hash 515257510, occurence #1 [2025-01-24 02:20:37,085 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 02:20:37,085 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:20:37,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:20:37,085 INFO L85 PathProgramCache]: Analyzing trace with hash -728225879, now seen corresponding path program 4 times [2025-01-24 02:20:37,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:20:37,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586000074] [2025-01-24 02:20:37,086 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-24 02:20:37,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:20:37,091 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 108 statements into 2 equivalence classes. [2025-01-24 02:20:37,105 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 108 of 108 statements. [2025-01-24 02:20:37,105 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-24 02:20:37,105 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:20:37,672 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 189 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 02:20:37,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:20:37,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586000074] [2025-01-24 02:20:37,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586000074] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:20:37,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [883096530] [2025-01-24 02:20:37,673 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-24 02:20:37,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:20:37,673 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 02:20:37,676 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) [2025-01-24 02:20:37,678 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 [2025-01-24 02:20:37,718 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 108 statements into 2 equivalence classes. [2025-01-24 02:20:37,753 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 108 of 108 statements. [2025-01-24 02:20:37,753 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-24 02:20:37,753 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:20:37,755 INFO L256 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 34 conjuncts are in the unsatisfiable core [2025-01-24 02:20:37,758 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:20:38,422 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 168 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 02:20:38,422 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 02:20:38,734 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 189 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 02:20:38,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [883096530] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 02:20:38,735 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 02:20:38,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 21, 20] total 49 [2025-01-24 02:20:38,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904378845] [2025-01-24 02:20:38,735 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 02:20:38,736 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2025-01-24 02:20:38,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:20:38,737 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2025-01-24 02:20:38,737 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=766, Invalid=1684, Unknown=0, NotChecked=0, Total=2450 [2025-01-24 02:20:38,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:20:38,738 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:20:38,738 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 5.82) internal successors, (291), 49 states have internal predecessors, (291), 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) [2025-01-24 02:20:38,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:20:38,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-24 02:20:38,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:20:38,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:20:38,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-24 02:20:38,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-01-24 02:20:38,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:20:38,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:20:38,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:20:42,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:20:42,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-24 02:20:42,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:20:42,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:20:42,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 02:20:42,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-01-24 02:20:42,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:20:42,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:20:42,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2025-01-24 02:20:42,612 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-01-24 02:20:42,806 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,SelfDestructingSolverStorable10 [2025-01-24 02:20:42,807 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 1 more)] === [2025-01-24 02:20:42,807 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:20:42,807 INFO L139 ounterexampleChecker]: Examining path program with hash -741095739, occurence #2 [2025-01-24 02:20:42,807 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 02:20:42,808 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-01-24 02:20:42,808 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:20:42,808 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-01-24 02:20:42,808 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:20:42,808 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2025-01-24 02:20:42,808 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:20:42,809 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2025-01-24 02:20:42,809 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:20:42,809 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 81 [2025-01-24 02:20:42,809 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:20:42,809 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 85 [2025-01-24 02:20:42,809 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:20:42,809 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 89 [2025-01-24 02:20:42,809 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:20:42,809 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2025-01-24 02:20:42,809 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:20:42,809 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2025-01-24 02:20:42,809 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:20:42,809 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 101 [2025-01-24 02:20:42,811 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:20:42,811 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 105 [2025-01-24 02:20:42,811 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:20:42,811 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 109 [2025-01-24 02:20:42,811 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:20:42,811 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2025-01-24 02:20:42,812 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:20:42,812 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2025-01-24 02:20:42,812 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:20:42,812 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 121 [2025-01-24 02:20:42,812 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:20:42,812 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 125 [2025-01-24 02:20:42,812 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:20:42,812 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 129 [2025-01-24 02:20:42,812 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:20:42,812 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 132 [2025-01-24 02:20:42,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:20:42,832 INFO L85 PathProgramCache]: Analyzing trace with hash -182530583, now seen corresponding path program 1 times [2025-01-24 02:20:42,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 02:20:42,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446197431] [2025-01-24 02:20:42,832 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:20:42,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:20:42,844 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 133 statements into 1 equivalence classes. [2025-01-24 02:20:42,866 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 133 of 133 statements. [2025-01-24 02:20:42,867 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:20:42,867 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:20:43,483 INFO L134 CoverageAnalysis]: Checked inductivity of 609 backedges. 217 proven. 392 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 02:20:43,483 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-24 02:20:43,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446197431] [2025-01-24 02:20:43,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446197431] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:20:43,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1001456565] [2025-01-24 02:20:43,483 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:20:43,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:20:43,492 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 133 statements into 1 equivalence classes. [2025-01-24 02:20:43,525 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 133 of 133 statements. [2025-01-24 02:20:43,525 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:20:43,525 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:20:43,527 INFO L256 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 31 conjuncts are in the unsatisfiable core [2025-01-24 02:20:43,530 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:20:43,673 INFO L134 CoverageAnalysis]: Checked inductivity of 609 backedges. 196 proven. 413 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 02:20:43,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1001456565] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:20:43,673 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 02:20:43,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 17 [2025-01-24 02:20:43,674 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-24 02:20:43,674 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 133 [2025-01-24 02:20:43,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:20:43,694 INFO L85 PathProgramCache]: Analyzing trace with hash -1363493485, now seen corresponding path program 1 times [2025-01-24 02:20:43,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 02:20:43,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199415017] [2025-01-24 02:20:43,694 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:20:43,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:20:43,702 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-01-24 02:20:43,724 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-01-24 02:20:43,725 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:20:43,725 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:20:44,029 INFO L134 CoverageAnalysis]: Checked inductivity of 609 backedges. 332 proven. 217 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-01-24 02:20:44,029 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-24 02:20:44,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199415017] [2025-01-24 02:20:44,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199415017] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:20:44,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1567426836] [2025-01-24 02:20:44,030 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:20:44,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:20:44,038 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-01-24 02:20:44,065 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-01-24 02:20:44,065 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:20:44,065 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:20:44,067 INFO L256 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-01-24 02:20:44,069 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:20:44,171 INFO L134 CoverageAnalysis]: Checked inductivity of 609 backedges. 332 proven. 217 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-01-24 02:20:44,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1567426836] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:20:44,172 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 02:20:44,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 11 [2025-01-24 02:20:44,172 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-24 02:20:44,172 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 140 [2025-01-24 02:20:44,172 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:20:44,172 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 02:20:44,172 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:20:44,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:20:44,173 INFO L85 PathProgramCache]: Analyzing trace with hash 1463689360, now seen corresponding path program 3 times [2025-01-24 02:20:44,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:20:44,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352520196] [2025-01-24 02:20:44,173 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-24 02:20:44,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:20:44,181 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 144 statements into 15 equivalence classes. [2025-01-24 02:20:44,252 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) and asserted 144 of 144 statements. [2025-01-24 02:20:44,253 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2025-01-24 02:20:44,253 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:20:44,699 INFO L134 CoverageAnalysis]: Checked inductivity of 609 backedges. 392 proven. 217 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 02:20:44,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:20:44,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352520196] [2025-01-24 02:20:44,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352520196] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:20:44,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1337405661] [2025-01-24 02:20:44,699 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-24 02:20:44,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:20:44,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 02:20:44,701 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) [2025-01-24 02:20:44,706 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 [2025-01-24 02:20:44,746 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 144 statements into 15 equivalence classes. [2025-01-24 02:20:44,822 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) and asserted 144 of 144 statements. [2025-01-24 02:20:44,822 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2025-01-24 02:20:44,822 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:20:44,824 INFO L256 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-01-24 02:20:44,825 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:20:44,941 INFO L134 CoverageAnalysis]: Checked inductivity of 609 backedges. 392 proven. 217 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 02:20:44,941 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 02:20:45,149 INFO L134 CoverageAnalysis]: Checked inductivity of 609 backedges. 392 proven. 217 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 02:20:45,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1337405661] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 02:20:45,150 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 02:20:45,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17, 16] total 23 [2025-01-24 02:20:45,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728701310] [2025-01-24 02:20:45,150 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 02:20:45,150 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2025-01-24 02:20:45,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:20:45,151 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2025-01-24 02:20:45,152 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=270, Invalid=282, Unknown=0, NotChecked=0, Total=552 [2025-01-24 02:20:45,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:20:45,152 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:20:45,152 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 9.041666666666666) internal successors, (217), 23 states have internal predecessors, (217), 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) [2025-01-24 02:20:45,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:20:45,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-24 02:20:45,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:20:45,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:20:45,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-24 02:20:45,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-01-24 02:20:45,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:20:45,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:20:45,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2025-01-24 02:20:45,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:20:49,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:20:49,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-24 02:20:49,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:20:49,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:20:49,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 02:20:49,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-01-24 02:20:49,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:20:49,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:20:49,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2025-01-24 02:20:49,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-24 02:20:49,377 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-01-24 02:20:49,571 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2025-01-24 02:20:49,572 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 1 more)] === [2025-01-24 02:20:49,572 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:20:49,572 INFO L139 ounterexampleChecker]: Examining path program with hash 515257510, occurence #2 [2025-01-24 02:20:49,572 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 02:20:49,572 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-01-24 02:20:49,572 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:20:49,572 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-01-24 02:20:49,572 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:20:49,572 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2025-01-24 02:20:49,572 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:20:49,572 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 137 [2025-01-24 02:20:49,572 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:20:49,572 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 141 [2025-01-24 02:20:49,572 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:20:49,572 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 145 [2025-01-24 02:20:49,572 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:20:49,572 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 149 [2025-01-24 02:20:49,572 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:20:49,572 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 153 [2025-01-24 02:20:49,572 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:20:49,573 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 157 [2025-01-24 02:20:49,573 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:20:49,573 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 161 [2025-01-24 02:20:49,573 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:20:49,573 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 165 [2025-01-24 02:20:49,573 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:20:49,573 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 169 [2025-01-24 02:20:49,573 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:20:49,573 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 173 [2025-01-24 02:20:49,573 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:20:49,573 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 177 [2025-01-24 02:20:49,573 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:20:49,573 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 181 [2025-01-24 02:20:49,573 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:20:49,573 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 185 [2025-01-24 02:20:49,573 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:20:49,573 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 189 [2025-01-24 02:20:49,573 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:20:49,573 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 192 [2025-01-24 02:20:49,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:20:49,586 INFO L85 PathProgramCache]: Analyzing trace with hash 455657546, now seen corresponding path program 1 times [2025-01-24 02:20:49,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 02:20:49,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686277402] [2025-01-24 02:20:49,587 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:20:49,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:20:49,593 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 193 statements into 1 equivalence classes. [2025-01-24 02:20:49,622 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 193 of 193 statements. [2025-01-24 02:20:49,622 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:20:49,622 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:20:50,402 INFO L134 CoverageAnalysis]: Checked inductivity of 1277 backedges. 885 proven. 392 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 02:20:50,403 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-24 02:20:50,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686277402] [2025-01-24 02:20:50,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686277402] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:20:50,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1497615560] [2025-01-24 02:20:50,403 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:20:50,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:20:50,412 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 193 statements into 1 equivalence classes. [2025-01-24 02:20:50,436 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 193 of 193 statements. [2025-01-24 02:20:50,437 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:20:50,437 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:20:50,438 INFO L256 TraceCheckSpWp]: Trace formula consists of 526 conjuncts, 46 conjuncts are in the unsatisfiable core [2025-01-24 02:20:50,441 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:20:50,635 INFO L134 CoverageAnalysis]: Checked inductivity of 1277 backedges. 840 proven. 437 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 02:20:50,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1497615560] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:20:50,635 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 02:20:50,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 32 [2025-01-24 02:20:50,635 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-24 02:20:50,636 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 201 [2025-01-24 02:20:50,636 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:20:50,636 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 02:20:50,636 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:20:50,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:20:50,636 INFO L85 PathProgramCache]: Analyzing trace with hash 1066350081, now seen corresponding path program 5 times [2025-01-24 02:20:50,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:20:50,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516132509] [2025-01-24 02:20:50,636 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-24 02:20:50,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:20:50,644 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 204 statements into 16 equivalence classes. [2025-01-24 02:20:50,684 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) and asserted 204 of 204 statements. [2025-01-24 02:20:50,684 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) [2025-01-24 02:20:50,684 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:20:51,784 INFO L134 CoverageAnalysis]: Checked inductivity of 1277 backedges. 885 proven. 392 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 02:20:51,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:20:51,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516132509] [2025-01-24 02:20:51,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516132509] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:20:51,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1107227294] [2025-01-24 02:20:51,784 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-24 02:20:51,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:20:51,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 02:20:51,786 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) [2025-01-24 02:20:51,787 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 [2025-01-24 02:20:51,831 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 204 statements into 16 equivalence classes. [2025-01-24 02:20:51,924 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) and asserted 204 of 204 statements. [2025-01-24 02:20:51,924 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) [2025-01-24 02:20:51,924 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:20:51,933 INFO L256 TraceCheckSpWp]: Trace formula consists of 573 conjuncts, 61 conjuncts are in the unsatisfiable core [2025-01-24 02:20:51,935 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:20:52,411 INFO L134 CoverageAnalysis]: Checked inductivity of 1277 backedges. 604 proven. 673 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 02:20:52,411 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 02:20:53,128 INFO L134 CoverageAnalysis]: Checked inductivity of 1277 backedges. 861 proven. 416 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 02:20:53,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1107227294] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 02:20:53,129 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 02:20:53,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 39, 39] total 70 [2025-01-24 02:20:53,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683968072] [2025-01-24 02:20:53,129 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 02:20:53,129 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 71 states [2025-01-24 02:20:53,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:20:53,130 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2025-01-24 02:20:53,132 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1660, Invalid=3310, Unknown=0, NotChecked=0, Total=4970 [2025-01-24 02:20:53,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:20:53,132 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:20:53,132 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 71 states, 71 states have (on average 5.76056338028169) internal successors, (409), 70 states have internal predecessors, (409), 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) [2025-01-24 02:20:53,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:20:53,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-24 02:20:53,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:20:53,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:20:53,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-24 02:20:53,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-01-24 02:20:53,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:20:53,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:20:53,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2025-01-24 02:20:53,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-24 02:20:53,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:21:19,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:21:19,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-24 02:21:19,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:21:19,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:21:19,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 02:21:19,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-01-24 02:21:19,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:21:19,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:21:19,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2025-01-24 02:21:19,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-24 02:21:19,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 202 states. [2025-01-24 02:21:19,255 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 [2025-01-24 02:21:19,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,SelfDestructingSolverStorable16,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-01-24 02:21:19,449 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 1 more)] === [2025-01-24 02:21:19,449 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:21:19,450 INFO L139 ounterexampleChecker]: Examining path program with hash -741095739, occurence #3 [2025-01-24 02:21:19,450 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 02:21:19,450 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-01-24 02:21:19,450 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:21:19,450 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-01-24 02:21:19,450 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:21:19,450 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2025-01-24 02:21:19,450 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:21:19,450 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 141 [2025-01-24 02:21:19,450 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:21:19,450 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 145 [2025-01-24 02:21:19,450 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:21:19,451 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 149 [2025-01-24 02:21:19,451 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:21:19,451 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 153 [2025-01-24 02:21:19,451 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:21:19,451 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 157 [2025-01-24 02:21:19,451 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:21:19,451 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 161 [2025-01-24 02:21:19,451 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:21:19,451 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 165 [2025-01-24 02:21:19,451 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:21:19,451 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 169 [2025-01-24 02:21:19,451 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:21:19,451 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 173 [2025-01-24 02:21:19,451 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:21:19,451 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 177 [2025-01-24 02:21:19,451 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:21:19,452 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 181 [2025-01-24 02:21:19,452 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:21:19,452 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 185 [2025-01-24 02:21:19,452 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:21:19,452 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 189 [2025-01-24 02:21:19,452 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:21:19,452 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 193 [2025-01-24 02:21:19,452 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:21:19,452 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 197 [2025-01-24 02:21:19,452 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:21:19,452 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 201 [2025-01-24 02:21:19,452 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:21:19,452 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 205 [2025-01-24 02:21:19,452 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:21:19,452 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 209 [2025-01-24 02:21:19,452 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:21:19,453 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 213 [2025-01-24 02:21:19,453 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:21:19,453 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 217 [2025-01-24 02:21:19,453 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:21:19,453 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 221 [2025-01-24 02:21:19,453 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:21:19,453 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 225 [2025-01-24 02:21:19,453 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:21:19,453 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 229 [2025-01-24 02:21:19,453 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:21:19,453 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 233 [2025-01-24 02:21:19,453 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:21:19,453 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 237 [2025-01-24 02:21:19,453 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:21:19,453 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 241 [2025-01-24 02:21:19,454 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:21:19,454 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 245 [2025-01-24 02:21:19,454 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:21:19,454 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 249 [2025-01-24 02:21:19,454 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:21:19,454 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 253 [2025-01-24 02:21:19,454 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:21:19,454 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 257 [2025-01-24 02:21:19,454 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:21:19,454 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 260 [2025-01-24 02:21:19,474 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:21:19,474 INFO L85 PathProgramCache]: Analyzing trace with hash -1366631704, now seen corresponding path program 1 times [2025-01-24 02:21:19,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 02:21:19,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851028053] [2025-01-24 02:21:19,474 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:21:19,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:21:19,487 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 261 statements into 1 equivalence classes. [2025-01-24 02:21:19,539 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 261 of 261 statements. [2025-01-24 02:21:19,540 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:21:19,540 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:21:20,861 INFO L134 CoverageAnalysis]: Checked inductivity of 2745 backedges. 945 proven. 1800 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 02:21:20,861 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-24 02:21:20,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851028053] [2025-01-24 02:21:20,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851028053] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:21:20,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [2127374297] [2025-01-24 02:21:20,861 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:21:20,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:21:20,869 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 261 statements into 1 equivalence classes. [2025-01-24 02:21:20,909 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 261 of 261 statements. [2025-01-24 02:21:20,909 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:21:20,909 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:21:20,911 INFO L256 TraceCheckSpWp]: Trace formula consists of 711 conjuncts, 63 conjuncts are in the unsatisfiable core [2025-01-24 02:21:20,914 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:21:21,129 INFO L134 CoverageAnalysis]: Checked inductivity of 2745 backedges. 900 proven. 1845 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 02:21:21,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [2127374297] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:21:21,129 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 02:21:21,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32] total 33 [2025-01-24 02:21:21,130 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-24 02:21:21,130 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 261 [2025-01-24 02:21:21,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:21:21,143 INFO L85 PathProgramCache]: Analyzing trace with hash 584066658, now seen corresponding path program 1 times [2025-01-24 02:21:21,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 02:21:21,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439097183] [2025-01-24 02:21:21,143 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:21:21,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:21:21,150 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 262 statements into 1 equivalence classes. [2025-01-24 02:21:21,186 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 262 of 262 statements. [2025-01-24 02:21:21,186 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:21:21,186 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:21:21,709 INFO L134 CoverageAnalysis]: Checked inductivity of 2745 backedges. 1436 proven. 945 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2025-01-24 02:21:21,709 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-24 02:21:21,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439097183] [2025-01-24 02:21:21,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439097183] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:21:21,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1343077193] [2025-01-24 02:21:21,709 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:21:21,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:21:21,717 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 262 statements into 1 equivalence classes. [2025-01-24 02:21:21,757 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 262 of 262 statements. [2025-01-24 02:21:21,757 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:21:21,757 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:21:21,758 INFO L256 TraceCheckSpWp]: Trace formula consists of 715 conjuncts, 34 conjuncts are in the unsatisfiable core [2025-01-24 02:21:21,760 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:21:21,916 INFO L134 CoverageAnalysis]: Checked inductivity of 2745 backedges. 1436 proven. 945 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2025-01-24 02:21:21,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1343077193] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:21:21,916 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 02:21:21,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 19] total 19 [2025-01-24 02:21:21,916 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-24 02:21:21,916 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 268 [2025-01-24 02:21:21,917 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:21:21,917 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 02:21:21,917 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:21:21,917 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:21:21,917 INFO L85 PathProgramCache]: Analyzing trace with hash -169384456, now seen corresponding path program 4 times [2025-01-24 02:21:21,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:21:21,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333048545] [2025-01-24 02:21:21,917 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-24 02:21:21,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:21:21,925 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 272 statements into 2 equivalence classes. [2025-01-24 02:21:21,952 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 272 of 272 statements. [2025-01-24 02:21:21,952 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-24 02:21:21,952 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:21:22,854 INFO L134 CoverageAnalysis]: Checked inductivity of 2745 backedges. 1800 proven. 945 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 02:21:22,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:21:22,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333048545] [2025-01-24 02:21:22,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333048545] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:21:22,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [951494003] [2025-01-24 02:21:22,854 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-24 02:21:22,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:21:22,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 02:21:22,856 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) [2025-01-24 02:21:22,858 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 [2025-01-24 02:21:22,910 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 272 statements into 2 equivalence classes. [2025-01-24 02:21:22,967 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 272 of 272 statements. [2025-01-24 02:21:22,967 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-24 02:21:22,967 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:21:22,976 INFO L256 TraceCheckSpWp]: Trace formula consists of 758 conjuncts, 48 conjuncts are in the unsatisfiable core [2025-01-24 02:21:22,979 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:21:23,192 INFO L134 CoverageAnalysis]: Checked inductivity of 2745 backedges. 1800 proven. 945 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 02:21:23,192 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 02:21:23,708 INFO L134 CoverageAnalysis]: Checked inductivity of 2745 backedges. 1800 proven. 945 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 02:21:23,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [951494003] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 02:21:23,708 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 02:21:23,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 33, 32] total 47 [2025-01-24 02:21:23,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076897446] [2025-01-24 02:21:23,709 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 02:21:23,709 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2025-01-24 02:21:23,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:21:23,711 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2025-01-24 02:21:23,712 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1114, Invalid=1142, Unknown=0, NotChecked=0, Total=2256 [2025-01-24 02:21:23,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:21:23,712 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:21:23,715 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 8.520833333333334) internal successors, (409), 47 states have internal predecessors, (409), 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) [2025-01-24 02:21:23,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:21:23,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-24 02:21:23,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:21:23,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:21:23,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-24 02:21:23,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-01-24 02:21:23,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:21:23,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:21:23,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2025-01-24 02:21:23,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-24 02:21:23,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 202 states. [2025-01-24 02:21:23,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.