./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-more-inc-subseq.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/popl20-more-inc-subseq.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 69f7b2e4777088b02df05d348ae0a210dcd9618a97428b10acd3ef63d9199610 --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 03:31:23,363 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-24 03:31:23,466 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2025-01-24 03:31:23,473 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-24 03:31:23,474 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-24 03:31:23,498 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-24 03:31:23,499 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-24 03:31:23,500 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-24 03:31:23,500 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-24 03:31:23,500 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-24 03:31:23,501 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-24 03:31:23,501 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-24 03:31:23,501 INFO L153 SettingsManager]: * Use SBE=true [2025-01-24 03:31:23,502 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-24 03:31:23,502 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-24 03:31:23,502 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-24 03:31:23,502 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-24 03:31:23,503 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-24 03:31:23,503 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-24 03:31:23,503 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-24 03:31:23,503 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-24 03:31:23,503 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-24 03:31:23,503 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-24 03:31:23,503 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-24 03:31:23,503 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-24 03:31:23,503 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-24 03:31:23,504 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-24 03:31:23,504 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-24 03:31:23,504 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-24 03:31:23,504 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-24 03:31:23,504 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-24 03:31:23,504 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-24 03:31:23,505 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-24 03:31:23,505 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-24 03:31:23,505 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-01-24 03:31:23,505 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-24 03:31:23,505 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-24 03:31:23,505 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-01-24 03:31:23,506 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-24 03:31:23,506 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-24 03:31:23,506 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-01-24 03:31:23,506 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-01-24 03:31:23,506 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-01-24 03:31:23,506 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 -> 69f7b2e4777088b02df05d348ae0a210dcd9618a97428b10acd3ef63d9199610 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 03:31:23,821 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-24 03:31:23,827 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-24 03:31:23,829 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-24 03:31:23,830 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-24 03:31:23,830 INFO L274 PluginConnector]: CDTParser initialized [2025-01-24 03:31:23,833 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-more-inc-subseq.wvr.c [2025-01-24 03:31:25,146 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/63652c2ed/94a612b649434230ba736ac97ffaae19/FLAGfa49d20fb [2025-01-24 03:31:25,359 INFO L384 CDTParser]: Found 1 translation units. [2025-01-24 03:31:25,359 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/popl20-more-inc-subseq.wvr.c [2025-01-24 03:31:25,368 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/63652c2ed/94a612b649434230ba736ac97ffaae19/FLAGfa49d20fb [2025-01-24 03:31:25,385 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/63652c2ed/94a612b649434230ba736ac97ffaae19 [2025-01-24 03:31:25,389 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-24 03:31:25,391 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-24 03:31:25,392 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-24 03:31:25,392 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-24 03:31:25,395 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-24 03:31:25,396 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 03:31:25" (1/1) ... [2025-01-24 03:31:25,397 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fb4d543 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:31:25, skipping insertion in model container [2025-01-24 03:31:25,397 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 03:31:25" (1/1) ... [2025-01-24 03:31:25,414 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-24 03:31:25,561 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/popl20-more-inc-subseq.wvr.c[2950,2963] [2025-01-24 03:31:25,568 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-24 03:31:25,575 INFO L200 MainTranslator]: Completed pre-run [2025-01-24 03:31:25,632 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/popl20-more-inc-subseq.wvr.c[2950,2963] [2025-01-24 03:31:25,635 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-24 03:31:25,647 INFO L204 MainTranslator]: Completed translation [2025-01-24 03:31:25,648 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:31:25 WrapperNode [2025-01-24 03:31:25,648 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-24 03:31:25,649 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-24 03:31:25,649 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-24 03:31:25,649 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-24 03:31:25,654 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:31:25" (1/1) ... [2025-01-24 03:31:25,659 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:31:25" (1/1) ... [2025-01-24 03:31:25,682 INFO L138 Inliner]: procedures = 23, calls = 35, calls flagged for inlining = 11, calls inlined = 13, statements flattened = 175 [2025-01-24 03:31:25,683 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-24 03:31:25,683 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-24 03:31:25,683 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-24 03:31:25,683 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-24 03:31:25,688 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:31:25" (1/1) ... [2025-01-24 03:31:25,688 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:31:25" (1/1) ... [2025-01-24 03:31:25,691 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:31:25" (1/1) ... [2025-01-24 03:31:25,692 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:31:25" (1/1) ... [2025-01-24 03:31:25,705 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:31:25" (1/1) ... [2025-01-24 03:31:25,708 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:31:25" (1/1) ... [2025-01-24 03:31:25,712 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:31:25" (1/1) ... [2025-01-24 03:31:25,714 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:31:25" (1/1) ... [2025-01-24 03:31:25,719 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:31:25" (1/1) ... [2025-01-24 03:31:25,721 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-24 03:31:25,722 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-24 03:31:25,725 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-24 03:31:25,725 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-24 03:31:25,726 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:31:25" (1/1) ... [2025-01-24 03:31:25,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-24 03:31:25,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:31:25,756 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 03:31:25,758 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 03:31:25,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-24 03:31:25,779 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-01-24 03:31:25,779 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-01-24 03:31:25,779 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-01-24 03:31:25,779 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-01-24 03:31:25,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-01-24 03:31:25,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-01-24 03:31:25,780 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-01-24 03:31:25,780 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-01-24 03:31:25,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-24 03:31:25,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-24 03:31:25,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-24 03:31:25,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-01-24 03:31:25,781 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 03:31:25,860 INFO L234 CfgBuilder]: Building ICFG [2025-01-24 03:31:25,861 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-24 03:31:26,154 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-24 03:31:26,154 INFO L283 CfgBuilder]: Performing block encoding [2025-01-24 03:31:26,388 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-24 03:31:26,388 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-24 03:31:26,389 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 03:31:26 BoogieIcfgContainer [2025-01-24 03:31:26,389 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-24 03:31:26,391 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-24 03:31:26,391 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-24 03:31:26,396 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-24 03:31:26,396 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.01 03:31:25" (1/3) ... [2025-01-24 03:31:26,397 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bf780ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.01 03:31:26, skipping insertion in model container [2025-01-24 03:31:26,397 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:31:25" (2/3) ... [2025-01-24 03:31:26,397 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bf780ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.01 03:31:26, skipping insertion in model container [2025-01-24 03:31:26,398 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 03:31:26" (3/3) ... [2025-01-24 03:31:26,399 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-more-inc-subseq.wvr.c [2025-01-24 03:31:26,411 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-24 03:31:26,413 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-more-inc-subseq.wvr.c that has 3 procedures, 27 locations, 1 initial locations, 4 loop locations, and 1 error locations. [2025-01-24 03:31:26,413 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-24 03:31:26,461 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-01-24 03:31:26,491 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-24 03:31:26,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-01-24 03:31:26,495 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:31:26,497 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 03:31:26,499 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 03:31:26,573 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-01-24 03:31:26,589 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-01-24 03:31:26,597 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;@10efe10b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-24 03:31:26,599 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2025-01-24 03:31:27,056 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-24 03:31:27,056 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:31:27,056 INFO L139 ounterexampleChecker]: Examining path program with hash 949373593, occurence #1 [2025-01-24 03:31:27,056 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 03:31:27,056 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:31:27,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:31:27,061 INFO L85 PathProgramCache]: Analyzing trace with hash 1480254757, now seen corresponding path program 1 times [2025-01-24 03:31:27,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 03:31:27,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161692135] [2025-01-24 03:31:27,068 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 03:31:27,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 03:31:27,133 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-01-24 03:31:27,190 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-01-24 03:31:27,192 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 03:31:27,192 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:31:27,485 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 03:31:27,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 03:31:27,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161692135] [2025-01-24 03:31:27,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [161692135] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-24 03:31:27,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-24 03:31:27,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-24 03:31:27,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267082767] [2025-01-24 03:31:27,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-24 03:31:27,492 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-24 03:31:27,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 03:31:27,507 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-24 03:31:27,507 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-24 03:31:27,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:31:27,510 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:31:27,511 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 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 03:31:27,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:31:27,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:31:27,593 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-24 03:31:27,594 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-24 03:31:27,594 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:31:27,594 INFO L139 ounterexampleChecker]: Examining path program with hash 949373593, occurence #2 [2025-01-24 03:31:27,594 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 03:31:27,595 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 03:31:27,595 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:31:27,596 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-01-24 03:31:27,596 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:31:27,596 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-01-24 03:31:27,611 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:31:27,612 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-01-24 03:31:27,613 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:31:27,613 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2025-01-24 03:31:27,613 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:31:27,613 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2025-01-24 03:31:27,613 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:31:27,613 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 03:31:27,613 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:31:27,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:31:27,614 INFO L85 PathProgramCache]: Analyzing trace with hash -1815009743, now seen corresponding path program 1 times [2025-01-24 03:31:27,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 03:31:27,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171407915] [2025-01-24 03:31:27,614 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 03:31:27,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 03:31:27,627 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-01-24 03:31:27,646 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-01-24 03:31:27,646 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 03:31:27,646 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:31:27,794 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-24 03:31:27,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 03:31:27,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171407915] [2025-01-24 03:31:27,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171407915] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-24 03:31:27,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-24 03:31:27,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-24 03:31:27,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113874216] [2025-01-24 03:31:27,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-24 03:31:27,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-24 03:31:27,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 03:31:27,797 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-24 03:31:27,797 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-24 03:31:27,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:31:27,798 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:31:27,798 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-24 03:31:27,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:31:27,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:31:27,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:31:27,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:31:27,873 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-24 03:31:27,873 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-24 03:31:27,873 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:31:27,874 INFO L139 ounterexampleChecker]: Examining path program with hash 949373593, occurence #3 [2025-01-24 03:31:27,874 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 03:31:27,874 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 03:31:27,874 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:31:27,874 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-01-24 03:31:27,874 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:31:27,874 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-01-24 03:31:27,874 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:31:27,875 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-01-24 03:31:27,875 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:31:27,875 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2025-01-24 03:31:27,875 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:31:27,875 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2025-01-24 03:31:27,876 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:31:27,876 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 03:31:27,876 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:31:27,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:31:27,877 INFO L85 PathProgramCache]: Analyzing trace with hash 1568577078, now seen corresponding path program 1 times [2025-01-24 03:31:27,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 03:31:27,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195683564] [2025-01-24 03:31:27,878 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 03:31:27,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 03:31:27,890 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-01-24 03:31:27,916 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-01-24 03:31:27,916 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 03:31:27,916 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:31:28,071 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-01-24 03:31:28,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 03:31:28,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195683564] [2025-01-24 03:31:28,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [195683564] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-24 03:31:28,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-24 03:31:28,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-24 03:31:28,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545340272] [2025-01-24 03:31:28,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-24 03:31:28,072 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-24 03:31:28,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 03:31:28,073 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-24 03:31:28,073 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-24 03:31:28,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:31:28,073 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:31:28,073 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 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 03:31:28,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:31:28,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:31:28,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:31:28,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:31:28,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:31:28,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:31:28,138 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-24 03:31:28,139 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-24 03:31:28,139 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:31:28,139 INFO L139 ounterexampleChecker]: Examining path program with hash -1926811576, occurence #1 [2025-01-24 03:31:28,139 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 03:31:28,139 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:31:28,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:31:28,141 INFO L85 PathProgramCache]: Analyzing trace with hash -1277613747, now seen corresponding path program 1 times [2025-01-24 03:31:28,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 03:31:28,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332662613] [2025-01-24 03:31:28,141 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 03:31:28,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 03:31:28,153 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-01-24 03:31:28,172 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-01-24 03:31:28,172 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 03:31:28,172 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:31:28,351 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-24 03:31:28,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 03:31:28,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332662613] [2025-01-24 03:31:28,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332662613] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 03:31:28,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1571084135] [2025-01-24 03:31:28,351 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 03:31:28,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:31:28,352 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:31:28,355 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 03:31:28,356 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 03:31:28,413 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-01-24 03:31:28,447 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-01-24 03:31:28,447 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 03:31:28,447 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:31:28,449 INFO L256 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-01-24 03:31:28,453 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:31:28,611 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-24 03:31:28,612 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 03:31:28,718 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-24 03:31:28,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1571084135] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 03:31:28,718 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 03:31:28,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 14 [2025-01-24 03:31:28,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283102703] [2025-01-24 03:31:28,719 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 03:31:28,719 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-01-24 03:31:28,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 03:31:28,720 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-01-24 03:31:28,721 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2025-01-24 03:31:28,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:31:28,722 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:31:28,722 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 5.066666666666666) internal successors, (76), 14 states have internal predecessors, (76), 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 03:31:28,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:31:28,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:31:28,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:31:28,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:31:28,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:31:28,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:31:28,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:31:28,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:31:28,979 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 03:31:29,174 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:31:29,175 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-24 03:31:29,175 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:31:29,175 INFO L139 ounterexampleChecker]: Examining path program with hash -1926811576, occurence #2 [2025-01-24 03:31:29,175 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 03:31:29,175 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 03:31:29,175 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:31:29,175 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2025-01-24 03:31:29,175 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:31:29,176 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-01-24 03:31:29,176 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:31:29,176 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-01-24 03:31:29,176 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:31:29,176 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2025-01-24 03:31:29,176 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:31:29,176 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2025-01-24 03:31:29,176 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:31:29,176 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2025-01-24 03:31:29,176 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:31:29,176 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 03:31:29,176 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:31:29,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:31:29,177 INFO L85 PathProgramCache]: Analyzing trace with hash -44882402, now seen corresponding path program 2 times [2025-01-24 03:31:29,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 03:31:29,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779309405] [2025-01-24 03:31:29,177 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-24 03:31:29,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 03:31:29,191 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 34 statements into 2 equivalence classes. [2025-01-24 03:31:29,245 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 34 of 34 statements. [2025-01-24 03:31:29,245 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-24 03:31:29,245 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:31:29,394 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-01-24 03:31:29,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 03:31:29,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779309405] [2025-01-24 03:31:29,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779309405] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-24 03:31:29,395 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-24 03:31:29,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-24 03:31:29,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897995707] [2025-01-24 03:31:29,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-24 03:31:29,396 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-24 03:31:29,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 03:31:29,396 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-24 03:31:29,397 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-24 03:31:29,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:31:29,397 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:31:29,397 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 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 03:31:29,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:31:29,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:31:29,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:31:29,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:31:29,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:31:29,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:31:29,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:31:29,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:31:29,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:31:29,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:31:29,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-24 03:31:29,522 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-24 03:31:29,522 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:31:29,523 INFO L139 ounterexampleChecker]: Examining path program with hash -748930299, occurence #1 [2025-01-24 03:31:29,523 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 03:31:29,523 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:31:29,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:31:29,523 INFO L85 PathProgramCache]: Analyzing trace with hash -1662811233, now seen corresponding path program 3 times [2025-01-24 03:31:29,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 03:31:29,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905665990] [2025-01-24 03:31:29,523 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-24 03:31:29,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 03:31:29,535 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 48 statements into 2 equivalence classes. [2025-01-24 03:31:29,565 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 48 of 48 statements. [2025-01-24 03:31:29,565 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-01-24 03:31:29,565 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:31:29,819 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-24 03:31:29,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 03:31:29,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905665990] [2025-01-24 03:31:29,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905665990] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 03:31:29,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [504604026] [2025-01-24 03:31:29,820 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-24 03:31:29,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:31:29,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:31:29,822 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 03:31:29,825 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 03:31:29,886 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 48 statements into 2 equivalence classes. [2025-01-24 03:31:29,926 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 48 of 48 statements. [2025-01-24 03:31:29,926 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-01-24 03:31:29,926 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:31:29,927 INFO L256 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-01-24 03:31:29,929 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:31:30,128 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-24 03:31:30,129 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 03:31:30,295 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-24 03:31:30,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [504604026] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 03:31:30,295 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 03:31:30,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 8] total 20 [2025-01-24 03:31:30,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695618992] [2025-01-24 03:31:30,296 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 03:31:30,297 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-01-24 03:31:30,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 03:31:30,297 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-01-24 03:31:30,299 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=329, Unknown=0, NotChecked=0, Total=420 [2025-01-24 03:31:30,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:31:30,299 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:31:30,299 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 4.809523809523809) internal successors, (101), 20 states have internal predecessors, (101), 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 03:31:30,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:31:30,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:31:30,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:31:30,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:31:30,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:31:30,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:31:30,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:31:30,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:31:30,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:31:30,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:31:30,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:31:30,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-24 03:31:30,643 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-01-24 03:31:30,836 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:31:30,836 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-24 03:31:30,836 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:31:30,836 INFO L139 ounterexampleChecker]: Examining path program with hash -748930299, occurence #2 [2025-01-24 03:31:30,836 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 03:31:30,836 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 03:31:30,836 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:31:30,836 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-01-24 03:31:30,837 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:31:30,837 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2025-01-24 03:31:30,837 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:31:30,837 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2025-01-24 03:31:30,837 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:31:30,837 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2025-01-24 03:31:30,837 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:31:30,837 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-01-24 03:31:30,837 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:31:30,837 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-01-24 03:31:30,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:31:30,882 INFO L85 PathProgramCache]: Analyzing trace with hash -1385241505, now seen corresponding path program 1 times [2025-01-24 03:31:30,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 03:31:30,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542338893] [2025-01-24 03:31:30,883 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 03:31:30,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 03:31:30,894 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-01-24 03:31:30,904 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-01-24 03:31:30,904 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 03:31:30,904 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:31:30,979 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-01-24 03:31:30,979 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-24 03:31:30,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542338893] [2025-01-24 03:31:30,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542338893] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 03:31:30,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1128426556] [2025-01-24 03:31:30,979 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 03:31:30,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 03:31:30,988 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-01-24 03:31:31,004 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-01-24 03:31:31,004 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 03:31:31,004 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:31:31,006 INFO L256 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-24 03:31:31,007 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:31:31,052 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2025-01-24 03:31:31,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1128426556] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-24 03:31:31,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-24 03:31:31,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 3 [2025-01-24 03:31:31,054 INFO L172 ounterexampleChecker]: Successfully proved commutativity at non-minimality point 33. Constructing proof automaton... [2025-01-24 03:31:31,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-24 03:31:31,055 INFO L311 artialOrderCegarLoop]: Commutativity proof succeeded, skipping feasibility check. [2025-01-24 03:31:31,055 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-24 03:31:31,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SMTINTERPOL [2025-01-24 03:31:31,056 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-24 03:31:31,056 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-24 03:31:31,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:31:31,056 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:31:31,056 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 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 03:31:31,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:31:31,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:31:31,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:31:31,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:31:31,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:31:31,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-24 03:31:31,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:31:31,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:31:31,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:31:31,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:31:31,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:31:31,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:31:31,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-24 03:31:31,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:31:31,251 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,SelfDestructingSolverStorable6 [2025-01-24 03:31:31,251 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-24 03:31:31,251 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:31:31,252 INFO L139 ounterexampleChecker]: Examining path program with hash -350724607, occurence #1 [2025-01-24 03:31:31,252 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 03:31:31,252 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:31:31,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:31:31,252 INFO L85 PathProgramCache]: Analyzing trace with hash -1689616311, now seen corresponding path program 4 times [2025-01-24 03:31:31,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 03:31:31,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285710599] [2025-01-24 03:31:31,252 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-24 03:31:31,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 03:31:31,268 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 54 statements into 2 equivalence classes. [2025-01-24 03:31:31,296 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 54 of 54 statements. [2025-01-24 03:31:31,296 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-24 03:31:31,296 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:31:31,451 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-01-24 03:31:31,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 03:31:31,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285710599] [2025-01-24 03:31:31,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [285710599] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-24 03:31:31,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-24 03:31:31,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-24 03:31:31,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006774924] [2025-01-24 03:31:31,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-24 03:31:31,452 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-24 03:31:31,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 03:31:31,453 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-24 03:31:31,453 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-24 03:31:31,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:31:31,453 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:31:31,454 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 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 03:31:31,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:31:31,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:31:31,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:31:31,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:31:31,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:31:31,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-24 03:31:31,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:31:31,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:31:31,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:31:31,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:31:31,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:31:31,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:31:31,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:31:31,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-24 03:31:31,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:31:31,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:31:31,653 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-01-24 03:31:31,654 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-24 03:31:31,654 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:31:31,654 INFO L139 ounterexampleChecker]: Examining path program with hash -260165582, occurence #1 [2025-01-24 03:31:31,654 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 03:31:31,654 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:31:31,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:31:31,655 INFO L85 PathProgramCache]: Analyzing trace with hash -178119510, now seen corresponding path program 5 times [2025-01-24 03:31:31,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 03:31:31,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559141274] [2025-01-24 03:31:31,655 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-24 03:31:31,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 03:31:31,671 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 50 statements into 3 equivalence classes. [2025-01-24 03:31:31,694 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) and asserted 50 of 50 statements. [2025-01-24 03:31:31,694 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2025-01-24 03:31:31,694 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:31:31,901 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-01-24 03:31:31,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 03:31:31,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559141274] [2025-01-24 03:31:31,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [559141274] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 03:31:31,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1838410832] [2025-01-24 03:31:31,902 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-24 03:31:31,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:31:31,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:31:31,904 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 03:31:31,907 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 03:31:31,966 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 50 statements into 3 equivalence classes. [2025-01-24 03:31:32,008 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) and asserted 50 of 50 statements. [2025-01-24 03:31:32,009 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2025-01-24 03:31:32,009 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:31:32,011 INFO L256 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-01-24 03:31:32,013 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:31:32,248 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-01-24 03:31:32,248 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 03:31:32,501 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-01-24 03:31:32,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1838410832] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 03:31:32,502 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 03:31:32,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 25 [2025-01-24 03:31:32,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538831552] [2025-01-24 03:31:32,502 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 03:31:32,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2025-01-24 03:31:32,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 03:31:32,503 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2025-01-24 03:31:32,504 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=543, Unknown=0, NotChecked=0, Total=650 [2025-01-24 03:31:32,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:31:32,504 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:31:32,504 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 4.269230769230769) internal successors, (111), 25 states have internal predecessors, (111), 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 03:31:32,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:31:32,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:31:32,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:31:32,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:31:32,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:31:32,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-24 03:31:32,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:31:32,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:31:32,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:31:32,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:31:32,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:31:32,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:31:32,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:31:32,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:31:32,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-24 03:31:32,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:31:32,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:31:32,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-24 03:31:32,940 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-01-24 03:31:33,132 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:31:33,133 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-24 03:31:33,133 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:31:33,133 INFO L139 ounterexampleChecker]: Examining path program with hash -260165582, occurence #2 [2025-01-24 03:31:33,133 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 03:31:33,133 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 03:31:33,133 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:31:33,133 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-01-24 03:31:33,133 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:31:33,133 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-01-24 03:31:33,133 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:31:33,133 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2025-01-24 03:31:33,133 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:31:33,133 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2025-01-24 03:31:33,133 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:31:33,133 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-01-24 03:31:33,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:31:33,170 INFO L85 PathProgramCache]: Analyzing trace with hash -60680546, now seen corresponding path program 1 times [2025-01-24 03:31:33,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 03:31:33,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585692577] [2025-01-24 03:31:33,170 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 03:31:33,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 03:31:33,183 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-01-24 03:31:33,192 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-01-24 03:31:33,192 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 03:31:33,192 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:31:33,360 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-01-24 03:31:33,360 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-24 03:31:33,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585692577] [2025-01-24 03:31:33,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585692577] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 03:31:33,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1732585840] [2025-01-24 03:31:33,360 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 03:31:33,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 03:31:33,371 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-01-24 03:31:33,386 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-01-24 03:31:33,386 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 03:31:33,386 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:31:33,387 INFO L256 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-01-24 03:31:33,389 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:31:33,555 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-01-24 03:31:33,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1732585840] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 03:31:33,555 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 03:31:33,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2025-01-24 03:31:33,555 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-24 03:31:33,556 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2025-01-24 03:31:33,556 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:31:33,556 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2025-01-24 03:31:33,556 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:31:33,556 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2025-01-24 03:31:33,556 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:31:33,556 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 46 [2025-01-24 03:31:33,556 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:31:33,556 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-01-24 03:31:33,556 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:31:33,556 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 03:31:33,556 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:31:33,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:31:33,557 INFO L85 PathProgramCache]: Analyzing trace with hash 1309718395, now seen corresponding path program 6 times [2025-01-24 03:31:33,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 03:31:33,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325228198] [2025-01-24 03:31:33,557 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-24 03:31:33,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 03:31:33,571 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 52 statements into 3 equivalence classes. [2025-01-24 03:31:33,623 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) and asserted 52 of 52 statements. [2025-01-24 03:31:33,624 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2025-01-24 03:31:33,624 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:31:33,745 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-01-24 03:31:33,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 03:31:33,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325228198] [2025-01-24 03:31:33,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [325228198] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 03:31:33,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [653054971] [2025-01-24 03:31:33,746 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-24 03:31:33,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:31:33,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:31:33,749 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 03:31:33,751 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 03:31:33,815 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 52 statements into 3 equivalence classes. [2025-01-24 03:31:33,857 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) and asserted 52 of 52 statements. [2025-01-24 03:31:33,857 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2025-01-24 03:31:33,857 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:31:33,864 INFO L256 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-01-24 03:31:33,866 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:31:33,913 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2025-01-24 03:31:33,913 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 03:31:33,973 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-01-24 03:31:33,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [653054971] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 03:31:33,973 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 03:31:33,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5, 4] total 7 [2025-01-24 03:31:33,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214224680] [2025-01-24 03:31:33,973 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 03:31:33,974 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-24 03:31:33,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 03:31:33,974 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-24 03:31:33,975 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2025-01-24 03:31:33,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:31:33,975 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:31:33,976 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 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 03:31:33,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:31:33,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:31:33,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:31:33,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:31:33,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:31:33,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-24 03:31:33,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:31:33,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:31:33,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-24 03:31:33,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:31:34,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:31:34,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:31:34,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:31:34,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:31:34,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:31:34,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-24 03:31:34,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:31:34,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:31:34,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-24 03:31:34,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 03:31:34,173 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 03:31:34,364 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11,SelfDestructingSolverStorable12 [2025-01-24 03:31:34,365 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-24 03:31:34,365 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:31:34,365 INFO L139 ounterexampleChecker]: Examining path program with hash -1340879917, occurence #1 [2025-01-24 03:31:34,365 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 03:31:34,365 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:31:34,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:31:34,365 INFO L85 PathProgramCache]: Analyzing trace with hash 727331082, now seen corresponding path program 7 times [2025-01-24 03:31:34,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 03:31:34,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092742738] [2025-01-24 03:31:34,365 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-24 03:31:34,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 03:31:34,374 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-01-24 03:31:34,382 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-01-24 03:31:34,382 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 03:31:34,382 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:31:34,513 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-01-24 03:31:34,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 03:31:34,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092742738] [2025-01-24 03:31:34,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092742738] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 03:31:34,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1412522328] [2025-01-24 03:31:34,514 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-24 03:31:34,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:31:34,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:31:34,516 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 03:31:34,517 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 03:31:34,588 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-01-24 03:31:34,619 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-01-24 03:31:34,619 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 03:31:34,619 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:31:34,622 INFO L256 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-01-24 03:31:34,624 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:31:34,768 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-01-24 03:31:34,768 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 03:31:34,886 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-01-24 03:31:34,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1412522328] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 03:31:34,887 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 03:31:34,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 22 [2025-01-24 03:31:34,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737637440] [2025-01-24 03:31:34,887 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 03:31:34,887 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-01-24 03:31:34,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 03:31:34,888 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-01-24 03:31:34,888 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=353, Unknown=0, NotChecked=0, Total=506 [2025-01-24 03:31:34,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:31:34,888 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:31:34,889 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 3.4782608695652173) internal successors, (80), 22 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-24 03:31:34,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:31:34,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:31:34,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:31:34,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:31:34,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:31:34,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-24 03:31:34,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:31:34,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:31:34,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-24 03:31:34,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 03:31:34,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:31:35,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:31:35,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:31:35,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:31:35,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:31:35,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:31:35,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-24 03:31:35,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:31:35,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:31:35,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-24 03:31:35,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 03:31:35,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-24 03:31:35,153 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-01-24 03:31:35,350 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,SelfDestructingSolverStorable13 [2025-01-24 03:31:35,350 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-24 03:31:35,350 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:31:35,350 INFO L139 ounterexampleChecker]: Examining path program with hash -1340879917, occurence #2 [2025-01-24 03:31:35,350 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 03:31:35,350 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 03:31:35,350 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:31:35,350 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-01-24 03:31:35,351 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:31:35,351 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-01-24 03:31:35,351 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:31:35,351 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2025-01-24 03:31:35,351 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:31:35,351 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2025-01-24 03:31:35,351 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:31:35,351 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2025-01-24 03:31:35,351 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:31:35,351 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2025-01-24 03:31:35,351 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:31:35,351 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-01-24 03:31:35,351 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:31:35,351 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-01-24 03:31:35,351 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:31:35,351 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 03:31:35,351 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:31:35,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:31:35,352 INFO L85 PathProgramCache]: Analyzing trace with hash -1241855485, now seen corresponding path program 8 times [2025-01-24 03:31:35,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 03:31:35,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301902200] [2025-01-24 03:31:35,352 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-24 03:31:35,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 03:31:35,364 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 60 statements into 2 equivalence classes. [2025-01-24 03:31:35,446 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 60 of 60 statements. [2025-01-24 03:31:35,446 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-24 03:31:35,446 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:31:39,720 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 19 proven. 49 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-01-24 03:31:39,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 03:31:39,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301902200] [2025-01-24 03:31:39,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301902200] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 03:31:39,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [557926404] [2025-01-24 03:31:39,721 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-24 03:31:39,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:31:39,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:31:39,723 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 03:31:39,725 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 03:31:39,794 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 60 statements into 2 equivalence classes. [2025-01-24 03:31:39,840 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 60 of 60 statements. [2025-01-24 03:31:39,840 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-24 03:31:39,840 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:31:39,842 INFO L256 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 71 conjuncts are in the unsatisfiable core [2025-01-24 03:31:39,845 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:31:42,770 INFO L349 Elim1Store]: treesize reduction 74, result has 78.7 percent of original size [2025-01-24 03:31:42,771 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 136 treesize of output 300 [2025-01-24 03:31:43,184 WARN L672 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-01-24 03:31:43,350 WARN L672 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-01-24 03:31:43,514 WARN L672 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-01-24 03:31:43,859 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 67 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2025-01-24 03:31:43,859 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 03:33:41,933 WARN L286 SmtUtils]: Spent 1.83m on a formula simplification that was a NOOP. DAG size: 3669 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2025-01-24 03:33:41,935 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-24 03:33:41,939 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 44 select indices, 44 select index equivalence classes, 0 disjoint index pairs (out of 946 index pairs), introduced 44 new quantified variables, introduced 946 case distinctions, treesize of input 801 treesize of output 14908 [2025-01-24 03:41:17,349 WARN L249 Executor]: External (MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2025-01-24 03:41:17,350 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 101 [2025-01-24 03:41:17,350 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2025-01-24 03:41:17,357 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 03:41:17,551 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:41:17,557 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2025-01-24 03:41:17,558 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:277) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.push(Scriptor.java:133) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.push(DiffWrapperScript.java:90) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.push(WrapperScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.push(HistoryRecordingScript.java:107) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:48) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.checkRedundancy(SimplifyDDA2.java:275) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convertForPreprocessedInputTerms(SimplifyDDA2.java:499) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convert(SimplifyDDA2.java:484) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convert(SimplifyDDA2.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:88) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.simplify(SimplifyDDA2.java:590) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:245) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:318) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify(QuantifierPusher.java:728) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:133) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.pushMinionEliminatees(QuantifierPushUtilsForSubsetPush.java:255) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:151) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:337) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:189) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:88) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:283) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:51) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:234) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:416) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:395) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:267) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:325) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:181) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:160) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:317) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop.isCounterexampleFeasible(PartialOrderCegarLoop.java:320) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:407) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:428) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:314) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:238) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:132) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 69 more [2025-01-24 03:41:17,564 INFO L158 Benchmark]: Toolchain (without parser) took 592172.95ms. Allocated memory was 83.9MB in the beginning and 1.4GB in the end (delta: 1.4GB). Free memory was 59.8MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 896.8MB. Max. memory is 16.1GB. [2025-01-24 03:41:17,564 INFO L158 Benchmark]: CDTParser took 1.27ms. Allocated memory is still 83.9MB. Free memory is still 61.7MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-24 03:41:17,564 INFO L158 Benchmark]: CACSL2BoogieTranslator took 256.62ms. Allocated memory is still 83.9MB. Free memory was 59.8MB in the beginning and 46.1MB in the end (delta: 13.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-24 03:41:17,564 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.94ms. Allocated memory is still 83.9MB. Free memory was 46.1MB in the beginning and 44.3MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-24 03:41:17,564 INFO L158 Benchmark]: Boogie Preprocessor took 37.88ms. Allocated memory is still 83.9MB. Free memory was 44.3MB in the beginning and 42.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-24 03:41:17,564 INFO L158 Benchmark]: RCFGBuilder took 667.14ms. Allocated memory is still 83.9MB. Free memory was 42.8MB in the beginning and 31.5MB in the end (delta: 11.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2025-01-24 03:41:17,565 INFO L158 Benchmark]: TraceAbstraction took 591172.25ms. Allocated memory was 83.9MB in the beginning and 1.4GB in the end (delta: 1.4GB). Free memory was 30.9MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 867.4MB. Max. memory is 16.1GB. [2025-01-24 03:41:17,566 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.27ms. Allocated memory is still 83.9MB. Free memory is still 61.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 256.62ms. Allocated memory is still 83.9MB. Free memory was 59.8MB in the beginning and 46.1MB in the end (delta: 13.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.94ms. Allocated memory is still 83.9MB. Free memory was 46.1MB in the beginning and 44.3MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 37.88ms. Allocated memory is still 83.9MB. Free memory was 44.3MB in the beginning and 42.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 667.14ms. Allocated memory is still 83.9MB. Free memory was 42.8MB in the beginning and 31.5MB in the end (delta: 11.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 591172.25ms. Allocated memory was 83.9MB in the beginning and 1.4GB in the end (delta: 1.4GB). Free memory was 30.9MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 867.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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/popl20-more-inc-subseq.wvr.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Bitvector.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 69f7b2e4777088b02df05d348ae0a210dcd9618a97428b10acd3ef63d9199610 --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 03:41:19,496 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-24 03:41:19,589 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2025-01-24 03:41:19,595 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-24 03:41:19,596 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-24 03:41:19,624 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-24 03:41:19,625 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-24 03:41:19,625 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-24 03:41:19,625 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-24 03:41:19,625 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-24 03:41:19,626 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-24 03:41:19,626 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-24 03:41:19,626 INFO L153 SettingsManager]: * Use SBE=true [2025-01-24 03:41:19,626 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-24 03:41:19,626 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-24 03:41:19,626 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-24 03:41:19,626 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-24 03:41:19,626 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-24 03:41:19,627 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-24 03:41:19,627 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-24 03:41:19,627 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-24 03:41:19,627 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-01-24 03:41:19,627 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-01-24 03:41:19,627 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-24 03:41:19,627 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-24 03:41:19,627 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-24 03:41:19,627 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-24 03:41:19,627 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-24 03:41:19,627 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-24 03:41:19,627 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-24 03:41:19,627 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-24 03:41:19,627 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-24 03:41:19,628 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-24 03:41:19,628 INFO L153 SettingsManager]: * Refinement strategy for commutativity condition synthesis=FOX [2025-01-24 03:41:19,628 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-24 03:41:19,628 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-24 03:41:19,628 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-01-24 03:41:19,628 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-24 03:41:19,628 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-01-24 03:41:19,628 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-01-24 03:41:19,628 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-01-24 03:41:19,628 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-24 03:41:19,628 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-01-24 03:41:19,628 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-01-24 03:41:19,630 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-01-24 03:41:19,630 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 -> 69f7b2e4777088b02df05d348ae0a210dcd9618a97428b10acd3ef63d9199610 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 03:41:19,905 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-24 03:41:19,911 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-24 03:41:19,913 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-24 03:41:19,914 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-24 03:41:19,914 INFO L274 PluginConnector]: CDTParser initialized [2025-01-24 03:41:19,915 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-more-inc-subseq.wvr.c [2025-01-24 03:41:21,205 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/e8f93d127/fd5d0d50c9a84eb7a184190b5764d85d/FLAG171dcc751 [2025-01-24 03:41:21,427 INFO L384 CDTParser]: Found 1 translation units. [2025-01-24 03:41:21,429 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/popl20-more-inc-subseq.wvr.c [2025-01-24 03:41:21,439 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/e8f93d127/fd5d0d50c9a84eb7a184190b5764d85d/FLAG171dcc751 [2025-01-24 03:41:21,456 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/e8f93d127/fd5d0d50c9a84eb7a184190b5764d85d [2025-01-24 03:41:21,460 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-24 03:41:21,461 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-24 03:41:21,462 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-24 03:41:21,462 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-24 03:41:21,466 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-24 03:41:21,466 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 03:41:21" (1/1) ... [2025-01-24 03:41:21,467 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ffa0cb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:41:21, skipping insertion in model container [2025-01-24 03:41:21,467 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 03:41:21" (1/1) ... [2025-01-24 03:41:21,482 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-24 03:41:21,640 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/popl20-more-inc-subseq.wvr.c[2950,2963] [2025-01-24 03:41:21,655 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-24 03:41:21,668 INFO L200 MainTranslator]: Completed pre-run [2025-01-24 03:41:21,730 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/popl20-more-inc-subseq.wvr.c[2950,2963] [2025-01-24 03:41:21,733 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-24 03:41:21,746 INFO L204 MainTranslator]: Completed translation [2025-01-24 03:41:21,747 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:41:21 WrapperNode [2025-01-24 03:41:21,747 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-24 03:41:21,748 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-24 03:41:21,748 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-24 03:41:21,748 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-24 03:41:21,755 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:41:21" (1/1) ... [2025-01-24 03:41:21,764 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:41:21" (1/1) ... [2025-01-24 03:41:21,791 INFO L138 Inliner]: procedures = 25, calls = 35, calls flagged for inlining = 11, calls inlined = 13, statements flattened = 170 [2025-01-24 03:41:21,791 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-24 03:41:21,792 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-24 03:41:21,792 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-24 03:41:21,792 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-24 03:41:21,803 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:41:21" (1/1) ... [2025-01-24 03:41:21,803 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:41:21" (1/1) ... [2025-01-24 03:41:21,812 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:41:21" (1/1) ... [2025-01-24 03:41:21,812 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:41:21" (1/1) ... [2025-01-24 03:41:21,827 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:41:21" (1/1) ... [2025-01-24 03:41:21,828 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:41:21" (1/1) ... [2025-01-24 03:41:21,831 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:41:21" (1/1) ... [2025-01-24 03:41:21,834 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:41:21" (1/1) ... [2025-01-24 03:41:21,835 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:41:21" (1/1) ... [2025-01-24 03:41:21,837 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-24 03:41:21,842 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-24 03:41:21,842 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-24 03:41:21,842 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-24 03:41:21,846 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:41:21" (1/1) ... [2025-01-24 03:41:21,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-24 03:41:21,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:41:21,878 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 03:41:21,880 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 03:41:21,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-24 03:41:21,903 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-01-24 03:41:21,903 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-01-24 03:41:21,904 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-01-24 03:41:21,904 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-01-24 03:41:21,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2025-01-24 03:41:21,904 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-01-24 03:41:21,904 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-01-24 03:41:21,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-24 03:41:21,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2025-01-24 03:41:21,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-24 03:41:21,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-24 03:41:21,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2025-01-24 03:41:21,905 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 03:41:21,994 INFO L234 CfgBuilder]: Building ICFG [2025-01-24 03:41:21,995 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-24 03:41:22,288 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-24 03:41:22,288 INFO L283 CfgBuilder]: Performing block encoding [2025-01-24 03:41:22,595 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-24 03:41:22,595 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-24 03:41:22,596 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 03:41:22 BoogieIcfgContainer [2025-01-24 03:41:22,596 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-24 03:41:22,610 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-24 03:41:22,611 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-24 03:41:22,615 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-24 03:41:22,615 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.01 03:41:21" (1/3) ... [2025-01-24 03:41:22,616 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c99bc22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.01 03:41:22, skipping insertion in model container [2025-01-24 03:41:22,617 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:41:21" (2/3) ... [2025-01-24 03:41:22,617 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c99bc22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.01 03:41:22, skipping insertion in model container [2025-01-24 03:41:22,619 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 03:41:22" (3/3) ... [2025-01-24 03:41:22,620 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-more-inc-subseq.wvr.c [2025-01-24 03:41:22,630 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-24 03:41:22,632 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-more-inc-subseq.wvr.c that has 3 procedures, 27 locations, 1 initial locations, 4 loop locations, and 1 error locations. [2025-01-24 03:41:22,632 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-24 03:41:22,677 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-01-24 03:41:22,712 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-24 03:41:22,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-01-24 03:41:22,712 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:41:22,714 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 03:41:22,718 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 03:41:22,789 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-01-24 03:41:22,803 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-01-24 03:41:22,809 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;@c21645c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-24 03:41:22,810 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2025-01-24 03:41:23,484 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-24 03:41:23,484 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:41:23,484 INFO L139 ounterexampleChecker]: Examining path program with hash 2091813117, occurence #1 [2025-01-24 03:41:23,484 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 03:41:23,484 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:41:23,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:41:23,489 INFO L85 PathProgramCache]: Analyzing trace with hash -703704677, now seen corresponding path program 1 times [2025-01-24 03:41:23,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-24 03:41:23,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1157516431] [2025-01-24 03:41:23,499 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 03:41:23,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:41:23,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:41:23,503 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 03:41:23,504 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 03:41:23,579 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-01-24 03:41:23,603 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-01-24 03:41:23,604 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 03:41:23,604 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:41:23,614 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-24 03:41:23,617 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:41:23,691 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 03:41:23,691 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-24 03:41:23,692 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-24 03:41:23,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1157516431] [2025-01-24 03:41:23,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1157516431] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-24 03:41:23,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-24 03:41:23,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-24 03:41:23,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263300432] [2025-01-24 03:41:23,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-24 03:41:23,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-24 03:41:23,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-24 03:41:23,716 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-24 03:41:23,716 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-24 03:41:23,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:41:23,718 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:41:23,719 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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 03:41:23,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:41:23,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:41:23,865 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-01-24 03:41:24,055 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:41:24,057 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-24 03:41:24,058 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:41:24,058 INFO L139 ounterexampleChecker]: Examining path program with hash -1643339987, occurence #1 [2025-01-24 03:41:24,058 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 03:41:24,058 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:41:24,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:41:24,059 INFO L85 PathProgramCache]: Analyzing trace with hash 1533787508, now seen corresponding path program 1 times [2025-01-24 03:41:24,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-24 03:41:24,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1937938250] [2025-01-24 03:41:24,059 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 03:41:24,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:41:24,060 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:41:24,061 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 03:41:24,062 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 03:41:24,116 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-01-24 03:41:24,140 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-01-24 03:41:24,141 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 03:41:24,141 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:41:24,144 INFO L256 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-24 03:41:24,146 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:41:24,171 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 03:41:24,172 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-24 03:41:24,172 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-24 03:41:24,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1937938250] [2025-01-24 03:41:24,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1937938250] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-24 03:41:24,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-24 03:41:24,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-24 03:41:24,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376508298] [2025-01-24 03:41:24,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-24 03:41:24,173 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-24 03:41:24,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-24 03:41:24,174 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-24 03:41:24,174 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-24 03:41:24,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:41:24,175 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:41:24,175 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 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 03:41:24,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:41:24,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:41:24,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:41:24,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:41:24,951 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-01-24 03:41:25,142 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:41:25,143 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-24 03:41:25,143 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:41:25,143 INFO L139 ounterexampleChecker]: Examining path program with hash -399129016, occurence #1 [2025-01-24 03:41:25,143 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 03:41:25,143 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:41:25,144 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:41:25,144 INFO L85 PathProgramCache]: Analyzing trace with hash -983506301, now seen corresponding path program 1 times [2025-01-24 03:41:25,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-24 03:41:25,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [872832930] [2025-01-24 03:41:25,144 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 03:41:25,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:41:25,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:41:25,147 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 03:41:25,149 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 03:41:25,197 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-01-24 03:41:25,211 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-01-24 03:41:25,211 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 03:41:25,211 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:41:25,213 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-01-24 03:41:25,214 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:41:25,241 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 03:41:25,242 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-24 03:41:25,242 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-24 03:41:25,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [872832930] [2025-01-24 03:41:25,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [872832930] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-24 03:41:25,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-24 03:41:25,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-24 03:41:25,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948144935] [2025-01-24 03:41:25,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-24 03:41:25,242 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-24 03:41:25,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-24 03:41:25,243 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-24 03:41:25,243 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-24 03:41:25,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:41:25,243 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:41:25,243 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 states have internal predecessors, (16), 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 03:41:25,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:41:25,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:41:25,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:41:25,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:41:25,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:41:25,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:41:25,335 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 03:41:25,532 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:41:25,532 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-24 03:41:25,532 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:41:25,532 INFO L139 ounterexampleChecker]: Examining path program with hash 1668348751, occurence #1 [2025-01-24 03:41:25,532 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 03:41:25,532 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:41:25,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:41:25,533 INFO L85 PathProgramCache]: Analyzing trace with hash -607470144, now seen corresponding path program 2 times [2025-01-24 03:41:25,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-24 03:41:25,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [141931065] [2025-01-24 03:41:25,533 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-24 03:41:25,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:41:25,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:41:25,535 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 03:41:25,536 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 03:41:25,588 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 25 statements into 2 equivalence classes. [2025-01-24 03:41:25,603 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 16 of 25 statements. [2025-01-24 03:41:25,603 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-24 03:41:25,603 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:41:25,606 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-24 03:41:25,607 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:41:25,634 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-24 03:41:25,634 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-24 03:41:25,634 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-24 03:41:25,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [141931065] [2025-01-24 03:41:25,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [141931065] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-24 03:41:25,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-24 03:41:25,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-24 03:41:25,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829431356] [2025-01-24 03:41:25,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-24 03:41:25,635 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-24 03:41:25,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-24 03:41:25,636 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-24 03:41:25,636 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-24 03:41:25,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:41:25,636 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:41:25,636 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-24 03:41:25,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:41:25,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:41:25,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:41:25,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:41:25,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:41:25,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:41:25,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:41:25,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:41:25,717 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 03:41:25,909 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:41:25,910 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-24 03:41:25,910 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:41:25,910 INFO L139 ounterexampleChecker]: Examining path program with hash 1668348751, occurence #2 [2025-01-24 03:41:25,910 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 03:41:25,910 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 03:41:25,911 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:41:25,911 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-01-24 03:41:25,911 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:41:25,911 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-01-24 03:41:25,924 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:41:25,924 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-01-24 03:41:25,924 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:41:25,924 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2025-01-24 03:41:25,924 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:41:25,924 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2025-01-24 03:41:25,924 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:41:25,925 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 03:41:25,925 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:41:25,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:41:25,925 INFO L85 PathProgramCache]: Analyzing trace with hash -1566852953, now seen corresponding path program 1 times [2025-01-24 03:41:25,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-24 03:41:25,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1528543697] [2025-01-24 03:41:25,925 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 03:41:25,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:41:25,926 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:41:25,929 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 03:41:25,930 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 03:41:25,978 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-01-24 03:41:25,998 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-01-24 03:41:25,999 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 03:41:25,999 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:41:26,000 INFO L256 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-24 03:41:26,002 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:41:26,076 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-24 03:41:26,077 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-24 03:41:26,077 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-24 03:41:26,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1528543697] [2025-01-24 03:41:26,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1528543697] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-24 03:41:26,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-24 03:41:26,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-24 03:41:26,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471242748] [2025-01-24 03:41:26,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-24 03:41:26,079 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-24 03:41:26,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-24 03:41:26,079 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-24 03:41:26,080 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-24 03:41:26,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:41:26,080 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:41:26,081 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 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 03:41:26,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:41:26,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:41:26,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:41:26,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:41:26,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:41:26,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:41:26,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:41:26,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:41:26,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:41:26,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:41:26,179 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-01-24 03:41:26,371 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 [2025-01-24 03:41:26,372 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-24 03:41:26,372 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:41:26,372 INFO L139 ounterexampleChecker]: Examining path program with hash 1668348751, occurence #3 [2025-01-24 03:41:26,372 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 03:41:26,372 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 03:41:26,372 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:41:26,372 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-01-24 03:41:26,372 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:41:26,372 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-01-24 03:41:26,372 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:41:26,372 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-01-24 03:41:26,372 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:41:26,373 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2025-01-24 03:41:26,373 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:41:26,373 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2025-01-24 03:41:26,373 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:41:26,373 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 03:41:26,373 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:41:26,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:41:26,373 INFO L85 PathProgramCache]: Analyzing trace with hash -149579887, now seen corresponding path program 1 times [2025-01-24 03:41:26,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-24 03:41:26,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1319642917] [2025-01-24 03:41:26,374 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 03:41:26,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:41:26,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:41:26,378 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 03:41:26,379 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 03:41:26,428 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-01-24 03:41:26,460 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-01-24 03:41:26,461 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 03:41:26,461 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:41:26,467 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-01-24 03:41:26,469 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:41:27,261 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-24 03:41:27,262 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-24 03:41:27,272 INFO L349 Elim1Store]: treesize reduction 17, result has 15.0 percent of original size [2025-01-24 03:41:27,273 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 13 [2025-01-24 03:41:27,331 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-24 03:41:27,332 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 03:41:28,648 INFO L349 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2025-01-24 03:41:28,648 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 4 [2025-01-24 03:41:28,794 INFO L349 Elim1Store]: treesize reduction 23, result has 74.7 percent of original size [2025-01-24 03:41:28,794 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 36 treesize of output 75 [2025-01-24 03:41:29,581 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-24 03:41:29,582 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-24 03:41:29,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1319642917] [2025-01-24 03:41:29,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1319642917] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 03:41:29,582 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 03:41:29,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 21 [2025-01-24 03:41:29,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370495410] [2025-01-24 03:41:29,582 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-24 03:41:29,582 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2025-01-24 03:41:29,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-24 03:41:29,583 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-01-24 03:41:29,584 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=364, Unknown=0, NotChecked=0, Total=462 [2025-01-24 03:41:29,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:41:29,584 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:41:29,584 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 2.409090909090909) internal successors, (53), 21 states have internal predecessors, (53), 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 03:41:29,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:41:29,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:41:29,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:41:29,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:41:29,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:41:29,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:41:30,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:41:30,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:41:30,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:41:30,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:41:30,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:41:30,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:41:30,594 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 03:41:30,788 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:41:30,788 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-24 03:41:30,788 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:41:30,789 INFO L139 ounterexampleChecker]: Examining path program with hash -140720814, occurence #1 [2025-01-24 03:41:30,789 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 03:41:30,789 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:41:30,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:41:30,789 INFO L85 PathProgramCache]: Analyzing trace with hash -952739254, now seen corresponding path program 2 times [2025-01-24 03:41:30,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-24 03:41:30,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1562763019] [2025-01-24 03:41:30,790 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-24 03:41:30,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:41:30,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:41:30,791 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 03:41:30,792 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 03:41:30,846 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 32 statements into 2 equivalence classes. [2025-01-24 03:41:30,883 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 32 of 32 statements. [2025-01-24 03:41:30,883 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-24 03:41:30,883 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:41:30,887 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-01-24 03:41:30,890 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:41:31,343 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-24 03:41:31,343 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 03:41:32,394 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-24 03:41:32,395 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-24 03:41:32,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1562763019] [2025-01-24 03:41:32,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1562763019] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 03:41:32,395 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 03:41:32,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 12] total 21 [2025-01-24 03:41:32,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746039868] [2025-01-24 03:41:32,395 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-24 03:41:32,395 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2025-01-24 03:41:32,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-24 03:41:32,396 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-01-24 03:41:32,396 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=333, Unknown=0, NotChecked=0, Total=462 [2025-01-24 03:41:32,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:41:32,396 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:41:32,397 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 2.772727272727273) internal successors, (61), 21 states have internal predecessors, (61), 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 03:41:32,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:41:32,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:41:32,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:41:32,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:41:32,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:41:32,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:41:32,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:41:33,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:41:33,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:41:33,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:41:33,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:41:33,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:41:33,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:41:33,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-24 03:41:33,723 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-01-24 03:41:33,917 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:41:33,917 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-24 03:41:33,917 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:41:33,917 INFO L139 ounterexampleChecker]: Examining path program with hash 410422275, occurence #1 [2025-01-24 03:41:33,917 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 03:41:33,917 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:41:33,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:41:33,918 INFO L85 PathProgramCache]: Analyzing trace with hash 1949581352, now seen corresponding path program 3 times [2025-01-24 03:41:33,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-24 03:41:33,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1717270418] [2025-01-24 03:41:33,918 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-24 03:41:33,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:41:33,918 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:41:33,920 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 03:41:33,921 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 03:41:33,968 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 51 statements into 3 equivalence classes. [2025-01-24 03:41:34,029 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 51 of 51 statements. [2025-01-24 03:41:34,029 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-01-24 03:41:34,029 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:41:34,032 INFO L256 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-01-24 03:41:34,033 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:41:34,227 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-01-24 03:41:34,228 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 03:41:34,556 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 20 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-24 03:41:34,557 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-24 03:41:34,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1717270418] [2025-01-24 03:41:34,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1717270418] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 03:41:34,557 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 03:41:34,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10] total 16 [2025-01-24 03:41:34,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881724118] [2025-01-24 03:41:34,557 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-24 03:41:34,557 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-01-24 03:41:34,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-24 03:41:34,558 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-01-24 03:41:34,558 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272 [2025-01-24 03:41:34,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:41:34,558 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:41:34,559 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 4.882352941176471) internal successors, (83), 16 states have internal predecessors, (83), 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 03:41:34,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:41:34,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:41:34,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:41:34,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:41:34,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:41:34,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:41:34,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-01-24 03:41:34,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:41:35,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:41:35,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:41:35,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:41:35,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:41:35,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:41:35,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:41:35,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-24 03:41:35,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:41:35,887 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-01-24 03:41:36,080 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:41:36,080 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-24 03:41:36,080 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:41:36,081 INFO L139 ounterexampleChecker]: Examining path program with hash -115738515, occurence #1 [2025-01-24 03:41:36,081 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 03:41:36,081 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:41:36,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:41:36,081 INFO L85 PathProgramCache]: Analyzing trace with hash 1292032946, now seen corresponding path program 4 times [2025-01-24 03:41:36,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-24 03:41:36,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1854108282] [2025-01-24 03:41:36,081 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-24 03:41:36,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:41:36,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:41:36,083 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-24 03:41:36,085 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-01-24 03:41:36,136 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 74 statements into 2 equivalence classes. [2025-01-24 03:41:36,712 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 74 of 74 statements. [2025-01-24 03:41:36,712 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-24 03:41:36,712 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:41:36,719 INFO L256 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-01-24 03:41:36,721 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:41:37,024 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 39 proven. 38 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-24 03:41:37,024 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 03:41:37,375 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 42 proven. 38 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2025-01-24 03:41:37,375 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-24 03:41:37,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1854108282] [2025-01-24 03:41:37,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1854108282] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 03:41:37,375 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 03:41:37,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 20 [2025-01-24 03:41:37,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720533040] [2025-01-24 03:41:37,375 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-24 03:41:37,376 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-01-24 03:41:37,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-24 03:41:37,376 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-01-24 03:41:37,376 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=316, Unknown=0, NotChecked=0, Total=420 [2025-01-24 03:41:37,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:41:37,377 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:41:37,377 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 4.714285714285714) internal successors, (99), 20 states have internal predecessors, (99), 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 03:41:37,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:41:37,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:41:37,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:41:37,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:41:37,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:41:37,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:41:37,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-24 03:41:37,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:41:37,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:41:37,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:41:37,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:41:37,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:41:37,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:41:37,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:41:37,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:41:37,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-24 03:41:37,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:41:37,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:41:37,979 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-01-24 03:41:38,167 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:41:38,168 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-24 03:41:38,168 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:41:38,168 INFO L139 ounterexampleChecker]: Examining path program with hash -115738515, occurence #2 [2025-01-24 03:41:38,168 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 03:41:38,168 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 03:41:38,168 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:41:38,169 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-01-24 03:41:38,169 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:41:38,169 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-01-24 03:41:38,169 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:41:38,169 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-01-24 03:41:38,169 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:41:38,169 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2025-01-24 03:41:38,169 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:41:38,169 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2025-01-24 03:41:38,169 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:41:38,169 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42 [2025-01-24 03:41:38,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:41:38,193 INFO L85 PathProgramCache]: Analyzing trace with hash -1096886364, now seen corresponding path program 1 times [2025-01-24 03:41:38,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-24 03:41:38,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [171130510] [2025-01-24 03:41:38,193 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 03:41:38,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:41:38,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:41:38,195 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-24 03:41:38,196 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-01-24 03:41:38,247 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-01-24 03:41:38,281 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-01-24 03:41:38,281 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 03:41:38,281 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:41:38,284 INFO L256 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-01-24 03:41:38,286 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:41:38,547 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-01-24 03:41:38,547 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 03:41:39,205 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 4 proven. 25 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-01-24 03:41:39,205 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-24 03:41:39,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [171130510] [2025-01-24 03:41:39,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [171130510] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 03:41:39,206 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 03:41:39,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10] total 18 [2025-01-24 03:41:39,206 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-24 03:41:39,206 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-01-24 03:41:39,206 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:41:39,206 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 59 is hopeless, skipping. [2025-01-24 03:41:39,206 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 70 [2025-01-24 03:41:39,206 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:41:39,206 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 72 [2025-01-24 03:41:39,206 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:41:39,206 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 03:41:39,206 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:41:39,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:41:39,206 INFO L85 PathProgramCache]: Analyzing trace with hash -1477105683, now seen corresponding path program 5 times [2025-01-24 03:41:39,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-24 03:41:39,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1875442556] [2025-01-24 03:41:39,207 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-24 03:41:39,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:41:39,207 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:41:39,213 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-24 03:41:39,214 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-01-24 03:41:39,270 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 75 statements into 5 equivalence classes. [2025-01-24 03:41:39,821 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) and asserted 75 of 75 statements. [2025-01-24 03:41:39,822 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2025-01-24 03:41:39,822 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:41:39,828 INFO L256 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 27 conjuncts are in the unsatisfiable core [2025-01-24 03:41:39,830 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:41:40,080 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 43 proven. 13 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2025-01-24 03:41:40,081 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 03:41:42,063 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 4 proven. 79 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-01-24 03:41:42,063 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-24 03:41:42,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1875442556] [2025-01-24 03:41:42,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1875442556] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 03:41:42,063 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 03:41:42,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 17] total 23 [2025-01-24 03:41:42,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44249158] [2025-01-24 03:41:42,063 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-24 03:41:42,064 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2025-01-24 03:41:42,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-24 03:41:42,064 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2025-01-24 03:41:42,065 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=409, Unknown=0, NotChecked=0, Total=552 [2025-01-24 03:41:42,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:41:42,065 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:41:42,065 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 4.458333333333333) internal successors, (107), 23 states have internal predecessors, (107), 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 03:41:42,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:41:42,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:41:42,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:41:42,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:41:42,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:41:42,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:41:42,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-24 03:41:42,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:41:42,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:41:42,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:41:45,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:41:45,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:41:45,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:41:45,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:41:45,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:41:45,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:41:45,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-24 03:41:45,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:41:45,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:41:45,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:41:45,752 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2025-01-24 03:41:45,954 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2025-01-24 03:41:46,145 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:41:46,146 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-24 03:41:46,146 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:41:46,146 INFO L139 ounterexampleChecker]: Examining path program with hash 1779242134, occurence #1 [2025-01-24 03:41:46,146 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 03:41:46,146 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:41:46,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:41:46,146 INFO L85 PathProgramCache]: Analyzing trace with hash -1148110333, now seen corresponding path program 1 times [2025-01-24 03:41:46,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-24 03:41:46,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [114956593] [2025-01-24 03:41:46,147 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 03:41:46,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:41:46,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:41:46,148 INFO L229 MonitoredProcess]: Starting monitored process 14 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 03:41:46,149 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-01-24 03:41:46,212 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 125 statements into 1 equivalence classes. [2025-01-24 03:41:46,275 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 125 of 125 statements. [2025-01-24 03:41:46,275 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 03:41:46,275 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:41:46,284 INFO L256 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-01-24 03:41:46,286 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:41:46,566 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 133 proven. 37 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2025-01-24 03:41:46,567 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 03:41:47,024 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 137 proven. 37 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2025-01-24 03:41:47,025 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-24 03:41:47,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [114956593] [2025-01-24 03:41:47,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [114956593] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 03:41:47,025 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 03:41:47,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13] total 24 [2025-01-24 03:41:47,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528837480] [2025-01-24 03:41:47,025 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-24 03:41:47,026 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2025-01-24 03:41:47,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-24 03:41:47,028 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2025-01-24 03:41:47,028 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=463, Unknown=0, NotChecked=0, Total=600 [2025-01-24 03:41:47,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:41:47,028 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:41:47,029 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 4.44) internal successors, (111), 24 states have internal predecessors, (111), 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 03:41:47,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:41:47,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:41:47,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:41:47,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:41:47,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:41:47,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:41:47,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-24 03:41:47,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:41:47,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:41:47,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:41:47,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:41:47,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:41:47,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:41:47,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:41:47,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:41:47,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:41:47,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:41:47,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-24 03:41:47,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:41:47,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:41:47,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:41:47,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-24 03:41:47,790 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2025-01-24 03:41:47,979 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:41:47,979 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-24 03:41:47,979 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:41:47,979 INFO L139 ounterexampleChecker]: Examining path program with hash 1779242134, occurence #2 [2025-01-24 03:41:47,979 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 03:41:47,979 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 03:41:47,979 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:41:47,979 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-01-24 03:41:47,979 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:41:47,979 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2025-01-24 03:41:47,979 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:41:47,980 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2025-01-24 03:41:47,980 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:41:47,980 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2025-01-24 03:41:47,980 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:41:47,980 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2025-01-24 03:41:47,980 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:41:47,980 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 44 [2025-01-24 03:41:48,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:41:48,013 INFO L85 PathProgramCache]: Analyzing trace with hash 142581580, now seen corresponding path program 1 times [2025-01-24 03:41:48,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-24 03:41:48,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [762231004] [2025-01-24 03:41:48,013 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 03:41:48,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:41:48,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:41:48,015 INFO L229 MonitoredProcess]: Starting monitored process 15 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 03:41:48,023 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-01-24 03:41:48,078 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-01-24 03:41:48,118 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-01-24 03:41:48,118 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 03:41:48,118 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:41:48,123 INFO L256 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-01-24 03:41:48,125 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:41:48,357 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2025-01-24 03:41:48,357 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 03:41:48,918 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 8 proven. 25 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2025-01-24 03:41:48,919 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-24 03:41:48,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [762231004] [2025-01-24 03:41:48,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [762231004] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 03:41:48,919 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 03:41:48,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10] total 18 [2025-01-24 03:41:48,919 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-24 03:41:48,919 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 49 [2025-01-24 03:41:48,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:41:48,963 INFO L85 PathProgramCache]: Analyzing trace with hash -1326536945, now seen corresponding path program 1 times [2025-01-24 03:41:48,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-24 03:41:48,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1867520901] [2025-01-24 03:41:48,963 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 03:41:48,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:41:48,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:41:48,965 INFO L229 MonitoredProcess]: Starting monitored process 16 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 03:41:48,965 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-01-24 03:41:49,020 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-01-24 03:41:49,211 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-01-24 03:41:49,211 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 03:41:49,211 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-24 03:41:49,219 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2025-01-24 03:41:49,219 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-24 03:41:49,219 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2025-01-24 03:41:49,219 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:41:49,219 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-01-24 03:41:49,219 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:41:49,219 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-01-24 03:41:49,219 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:41:49,219 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 58 [2025-01-24 03:41:49,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:41:49,246 INFO L85 PathProgramCache]: Analyzing trace with hash -1320730499, now seen corresponding path program 1 times [2025-01-24 03:41:49,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-24 03:41:49,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2131731716] [2025-01-24 03:41:49,246 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 03:41:49,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:41:49,247 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:41:49,249 INFO L229 MonitoredProcess]: Starting monitored process 17 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 03:41:49,250 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-01-24 03:41:49,303 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-01-24 03:41:49,341 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-01-24 03:41:49,342 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 03:41:49,342 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:41:49,347 INFO L256 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 29 conjuncts are in the unsatisfiable core [2025-01-24 03:41:49,348 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:41:50,080 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 22 proven. 17 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-01-24 03:41:50,080 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 03:41:50,371 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2025-01-24 03:41:50,371 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-24 03:41:50,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2131731716] [2025-01-24 03:41:50,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2131731716] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 03:41:50,371 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 03:41:50,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 4] total 20 [2025-01-24 03:41:50,372 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-24 03:41:50,372 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 63 [2025-01-24 03:41:50,372 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:41:50,372 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 82 is hopeless, skipping. [2025-01-24 03:41:50,372 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 86 [2025-01-24 03:41:50,372 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:41:50,372 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 91 is hopeless, skipping. [2025-01-24 03:41:50,372 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2025-01-24 03:41:50,372 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:41:50,372 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2025-01-24 03:41:50,372 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:41:50,372 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 99 [2025-01-24 03:41:50,372 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:41:50,372 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 100 [2025-01-24 03:41:50,372 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:41:50,372 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 104 [2025-01-24 03:41:50,372 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:41:50,372 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 105 is hopeless, skipping. [2025-01-24 03:41:50,372 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 110 [2025-01-24 03:41:50,372 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:41:50,373 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 121 [2025-01-24 03:41:50,373 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:41:50,373 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 123 [2025-01-24 03:41:50,373 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:41:50,373 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 03:41:50,373 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:41:50,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:41:50,373 INFO L85 PathProgramCache]: Analyzing trace with hash 729826794, now seen corresponding path program 2 times [2025-01-24 03:41:50,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-24 03:41:50,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2108640420] [2025-01-24 03:41:50,374 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-24 03:41:50,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:41:50,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:41:50,376 INFO L229 MonitoredProcess]: Starting monitored process 18 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 03:41:50,377 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-01-24 03:41:50,442 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 126 statements into 2 equivalence classes. [2025-01-24 03:41:50,521 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 126 of 126 statements. [2025-01-24 03:41:50,521 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-24 03:41:50,521 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:41:50,530 INFO L256 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-01-24 03:41:50,532 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:41:50,883 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 145 proven. 49 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2025-01-24 03:41:50,884 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 03:41:51,643 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 149 proven. 49 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2025-01-24 03:41:51,643 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-24 03:41:51,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2108640420] [2025-01-24 03:41:51,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2108640420] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 03:41:51,643 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 03:41:51,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15] total 28 [2025-01-24 03:41:51,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311977963] [2025-01-24 03:41:51,644 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-24 03:41:51,644 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2025-01-24 03:41:51,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-24 03:41:51,645 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2025-01-24 03:41:51,645 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=174, Invalid=638, Unknown=0, NotChecked=0, Total=812 [2025-01-24 03:41:51,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:41:51,645 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:41:51,645 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 4.310344827586207) internal successors, (125), 28 states have internal predecessors, (125), 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 03:41:51,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:41:51,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:41:51,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:41:51,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:41:51,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:41:51,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:41:51,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-24 03:41:51,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:41:51,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:41:51,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:41:51,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-24 03:41:51,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:41:52,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:41:52,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:41:52,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:41:52,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:41:52,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:41:52,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:41:52,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-24 03:41:52,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:41:52,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:41:52,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:41:52,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-24 03:41:52,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-24 03:41:52,376 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2025-01-24 03:41:52,577 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2025-01-24 03:41:52,779 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2025-01-24 03:41:52,979 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2025-01-24 03:41:53,170 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,17 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,16 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,18 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:41:53,170 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-24 03:41:53,170 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:41:53,170 INFO L139 ounterexampleChecker]: Examining path program with hash 1779242134, occurence #3 [2025-01-24 03:41:53,170 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 03:41:53,170 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 03:41:53,170 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:41:53,171 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-01-24 03:41:53,171 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:41:53,171 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-01-24 03:41:53,171 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:41:53,171 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2025-01-24 03:41:53,171 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:41:53,171 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2025-01-24 03:41:53,171 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:41:53,171 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-01-24 03:41:53,171 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:41:53,171 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2025-01-24 03:41:53,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:41:53,195 INFO L85 PathProgramCache]: Analyzing trace with hash -1275326148, now seen corresponding path program 1 times [2025-01-24 03:41:53,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-24 03:41:53,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [600770957] [2025-01-24 03:41:53,196 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 03:41:53,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:41:53,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:41:53,197 INFO L229 MonitoredProcess]: Starting monitored process 19 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 03:41:53,198 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2025-01-24 03:41:53,251 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-01-24 03:41:53,281 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-01-24 03:41:53,281 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 03:41:53,281 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:41:53,284 INFO L256 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-01-24 03:41:53,285 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:41:53,568 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2025-01-24 03:41:53,568 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 03:41:54,098 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 12 proven. 25 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2025-01-24 03:41:54,099 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-24 03:41:54,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [600770957] [2025-01-24 03:41:54,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [600770957] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 03:41:54,099 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 03:41:54,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10] total 18 [2025-01-24 03:41:54,099 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-24 03:41:54,099 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 50 [2025-01-24 03:41:54,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:41:54,153 INFO L85 PathProgramCache]: Analyzing trace with hash 817909137, now seen corresponding path program 1 times [2025-01-24 03:41:54,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-24 03:41:54,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [421475650] [2025-01-24 03:41:54,154 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 03:41:54,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:41:54,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:41:54,155 INFO L229 MonitoredProcess]: Starting monitored process 20 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 03:41:54,156 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2025-01-24 03:41:54,214 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-01-24 03:41:54,783 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-01-24 03:41:54,783 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 03:41:54,783 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-24 03:41:54,793 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2025-01-24 03:41:54,794 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-24 03:41:54,794 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-01-24 03:41:54,794 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:41:54,794 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-01-24 03:41:54,794 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:41:54,794 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 58 [2025-01-24 03:41:54,794 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:41:54,794 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2025-01-24 03:41:54,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:41:54,822 INFO L85 PathProgramCache]: Analyzing trace with hash -2102996435, now seen corresponding path program 1 times [2025-01-24 03:41:54,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-24 03:41:54,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1242813395] [2025-01-24 03:41:54,822 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 03:41:54,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:41:54,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:41:54,824 INFO L229 MonitoredProcess]: Starting monitored process 21 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 03:41:54,825 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2025-01-24 03:41:54,882 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-01-24 03:41:54,919 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-01-24 03:41:54,919 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 03:41:54,919 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:41:54,923 INFO L256 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-01-24 03:41:54,925 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:41:55,240 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2025-01-24 03:41:55,241 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 03:41:56,510 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 6 proven. 43 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2025-01-24 03:41:56,510 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-24 03:41:56,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1242813395] [2025-01-24 03:41:56,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1242813395] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 03:41:56,510 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 03:41:56,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 15] total 27 [2025-01-24 03:41:56,510 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-24 03:41:56,510 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 64 [2025-01-24 03:41:56,510 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:41:56,510 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 83 is hopeless, skipping. [2025-01-24 03:41:56,510 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 87 [2025-01-24 03:41:56,510 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:41:56,510 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 92 is hopeless, skipping. [2025-01-24 03:41:56,510 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2025-01-24 03:41:56,510 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:41:56,511 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 96 [2025-01-24 03:41:56,511 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:41:56,511 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 100 [2025-01-24 03:41:56,511 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:41:56,511 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 101 [2025-01-24 03:41:56,511 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:41:56,511 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 105 [2025-01-24 03:41:56,511 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:41:56,511 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 106 is hopeless, skipping. [2025-01-24 03:41:56,511 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 111 [2025-01-24 03:41:56,511 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:41:56,511 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 122 [2025-01-24 03:41:56,511 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:41:56,511 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 124 [2025-01-24 03:41:56,511 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:41:56,511 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 03:41:56,511 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:41:56,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:41:56,511 INFO L85 PathProgramCache]: Analyzing trace with hash -1183664413, now seen corresponding path program 3 times [2025-01-24 03:41:56,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-24 03:41:56,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [762544714] [2025-01-24 03:41:56,512 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-24 03:41:56,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:41:56,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:41:56,513 INFO L229 MonitoredProcess]: Starting monitored process 22 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 03:41:56,514 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2025-01-24 03:41:56,587 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 127 statements into 6 equivalence classes. [2025-01-24 03:41:57,268 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) and asserted 111 of 127 statements. [2025-01-24 03:41:57,268 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2025-01-24 03:41:57,268 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:41:57,279 INFO L256 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-01-24 03:41:57,281 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:41:58,023 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 166 proven. 10 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2025-01-24 03:41:58,023 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 03:41:59,071 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 21 proven. 155 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2025-01-24 03:41:59,071 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-24 03:41:59,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [762544714] [2025-01-24 03:41:59,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [762544714] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 03:41:59,071 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 03:41:59,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 21 [2025-01-24 03:41:59,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833723844] [2025-01-24 03:41:59,072 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-24 03:41:59,072 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2025-01-24 03:41:59,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-24 03:41:59,072 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-01-24 03:41:59,073 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2025-01-24 03:41:59,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:41:59,073 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:41:59,073 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 5.636363636363637) internal successors, (124), 21 states have internal predecessors, (124), 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 03:41:59,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:41:59,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:41:59,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:41:59,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:41:59,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:41:59,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:41:59,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-24 03:41:59,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:41:59,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:41:59,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:41:59,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-24 03:41:59,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-24 03:41:59,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:41:59,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:41:59,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:41:59,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:41:59,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:41:59,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:41:59,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:41:59,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-24 03:41:59,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:41:59,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:41:59,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:41:59,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-24 03:41:59,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-24 03:41:59,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:41:59,729 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2025-01-24 03:41:59,932 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2025-01-24 03:42:00,128 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2025-01-24 03:42:00,329 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2025-01-24 03:42:00,520 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,22 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,19 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,21 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:42:00,520 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-24 03:42:00,520 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:42:00,521 INFO L139 ounterexampleChecker]: Examining path program with hash 1779242134, occurence #4 [2025-01-24 03:42:00,521 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 03:42:00,521 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 03:42:00,521 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:42:00,521 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-01-24 03:42:00,521 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:42:00,521 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2025-01-24 03:42:00,521 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:42:00,521 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2025-01-24 03:42:00,521 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:42:00,521 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2025-01-24 03:42:00,521 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:42:00,521 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-01-24 03:42:00,521 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:42:00,521 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 46 [2025-01-24 03:42:00,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:42:00,543 INFO L85 PathProgramCache]: Analyzing trace with hash 984307503, now seen corresponding path program 1 times [2025-01-24 03:42:00,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-24 03:42:00,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [336438055] [2025-01-24 03:42:00,543 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 03:42:00,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:42:00,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:42:00,545 INFO L229 MonitoredProcess]: Starting monitored process 23 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 03:42:00,546 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2025-01-24 03:42:00,605 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-01-24 03:42:00,637 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-01-24 03:42:00,637 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 03:42:00,637 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:42:00,641 INFO L256 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-01-24 03:42:00,642 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:42:00,874 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-01-24 03:42:00,874 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 03:42:01,410 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 12 proven. 25 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-01-24 03:42:01,411 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-24 03:42:01,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [336438055] [2025-01-24 03:42:01,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [336438055] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 03:42:01,411 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 03:42:01,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10] total 18 [2025-01-24 03:42:01,411 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-24 03:42:01,411 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2025-01-24 03:42:01,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:42:01,460 INFO L85 PathProgramCache]: Analyzing trace with hash -853399056, now seen corresponding path program 1 times [2025-01-24 03:42:01,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-24 03:42:01,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [340319543] [2025-01-24 03:42:01,460 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 03:42:01,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:42:01,460 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:42:01,462 INFO L229 MonitoredProcess]: Starting monitored process 24 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 03:42:01,463 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2025-01-24 03:42:01,523 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-01-24 03:42:01,827 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-01-24 03:42:01,827 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 03:42:01,827 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-24 03:42:01,838 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2025-01-24 03:42:01,838 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-24 03:42:01,838 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-01-24 03:42:01,838 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:42:01,839 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-01-24 03:42:01,839 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:42:01,839 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2025-01-24 03:42:01,839 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:42:01,839 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2025-01-24 03:42:01,859 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:42:01,859 INFO L85 PathProgramCache]: Analyzing trace with hash 1900574368, now seen corresponding path program 1 times [2025-01-24 03:42:01,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-24 03:42:01,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [658428422] [2025-01-24 03:42:01,859 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 03:42:01,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:42:01,859 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:42:01,863 INFO L229 MonitoredProcess]: Starting monitored process 25 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 03:42:01,864 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2025-01-24 03:42:01,928 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-01-24 03:42:01,965 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-01-24 03:42:01,965 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 03:42:01,965 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:42:01,969 INFO L256 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-01-24 03:42:01,970 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:42:02,277 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-01-24 03:42:02,278 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 03:42:03,560 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 6 proven. 43 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-01-24 03:42:03,560 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-24 03:42:03,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [658428422] [2025-01-24 03:42:03,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [658428422] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 03:42:03,560 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 03:42:03,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 15] total 27 [2025-01-24 03:42:03,561 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-24 03:42:03,561 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 65 [2025-01-24 03:42:03,561 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:42:03,561 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 84 is hopeless, skipping. [2025-01-24 03:42:03,561 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2025-01-24 03:42:03,561 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:42:03,561 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 93 is hopeless, skipping. [2025-01-24 03:42:03,561 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 96 [2025-01-24 03:42:03,561 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:42:03,561 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2025-01-24 03:42:03,561 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:42:03,561 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 101 [2025-01-24 03:42:03,561 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:42:03,561 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 102 [2025-01-24 03:42:03,561 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:42:03,561 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 106 [2025-01-24 03:42:03,561 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:42:03,561 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 107 is hopeless, skipping. [2025-01-24 03:42:03,561 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 112 [2025-01-24 03:42:03,561 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:42:03,562 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 123 [2025-01-24 03:42:03,562 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:42:03,563 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 125 [2025-01-24 03:42:03,563 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:42:03,563 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 03:42:03,565 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:42:03,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:42:03,566 INFO L85 PathProgramCache]: Analyzing trace with hash -26668487, now seen corresponding path program 4 times [2025-01-24 03:42:03,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-24 03:42:03,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [313965264] [2025-01-24 03:42:03,566 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-24 03:42:03,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:42:03,567 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:42:03,568 INFO L229 MonitoredProcess]: Starting monitored process 26 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 03:42:03,570 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2025-01-24 03:42:03,646 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 128 statements into 2 equivalence classes. [2025-01-24 03:42:03,766 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 126 of 128 statements. [2025-01-24 03:42:03,766 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-24 03:42:03,767 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:42:03,775 INFO L256 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-01-24 03:42:03,777 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:42:04,531 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 99 proven. 38 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2025-01-24 03:42:04,532 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 03:42:05,364 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 95 proven. 12 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2025-01-24 03:42:05,365 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-24 03:42:05,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [313965264] [2025-01-24 03:42:05,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [313965264] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 03:42:05,365 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 03:42:05,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9] total 19 [2025-01-24 03:42:05,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133027990] [2025-01-24 03:42:05,365 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-24 03:42:05,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2025-01-24 03:42:05,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-24 03:42:05,366 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2025-01-24 03:42:05,366 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=260, Unknown=0, NotChecked=0, Total=342 [2025-01-24 03:42:05,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:42:05,366 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:42:05,366 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 5.526315789473684) internal successors, (105), 19 states have internal predecessors, (105), 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 03:42:05,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:42:05,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:42:05,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:42:05,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:42:05,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:42:05,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:42:05,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-24 03:42:05,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:42:05,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:42:05,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:42:05,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-24 03:42:05,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-24 03:42:05,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:42:05,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:42:08,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:42:08,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:42:08,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:42:08,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:42:08,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:42:08,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:42:08,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-24 03:42:08,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:42:08,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:42:08,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:42:08,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-24 03:42:08,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-24 03:42:08,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:42:08,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-24 03:42:08,822 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2025-01-24 03:42:09,023 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2025-01-24 03:42:09,225 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2025-01-24 03:42:09,425 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2025-01-24 03:42:09,615 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,23 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,26 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,24 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:42:09,615 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-24 03:42:09,615 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:42:09,616 INFO L139 ounterexampleChecker]: Examining path program with hash 1668348751, occurence #4 [2025-01-24 03:42:09,616 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 03:42:09,616 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 03:42:09,616 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:42:09,616 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-01-24 03:42:09,616 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:42:09,616 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2025-01-24 03:42:09,616 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:42:09,616 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2025-01-24 03:42:09,616 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:42:09,616 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2025-01-24 03:42:09,616 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:42:09,616 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-01-24 03:42:09,616 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:42:09,616 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42 [2025-01-24 03:42:09,616 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:42:09,616 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 03:42:09,616 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:42:09,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:42:09,617 INFO L85 PathProgramCache]: Analyzing trace with hash 1430093677, now seen corresponding path program 6 times [2025-01-24 03:42:09,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-24 03:42:09,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1151635052] [2025-01-24 03:42:09,617 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-24 03:42:09,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:42:09,617 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:42:09,620 INFO L229 MonitoredProcess]: Starting monitored process 27 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 03:42:09,621 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2025-01-24 03:42:09,684 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 45 statements into 4 equivalence classes. [2025-01-24 03:42:09,770 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) and asserted 45 of 45 statements. [2025-01-24 03:42:09,770 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2025-01-24 03:42:09,770 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:42:09,773 INFO L256 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-01-24 03:42:09,774 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:42:09,945 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2025-01-24 03:42:09,945 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 03:42:10,315 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 12 proven. 14 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2025-01-24 03:42:10,316 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-24 03:42:10,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1151635052] [2025-01-24 03:42:10,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1151635052] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 03:42:10,316 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 03:42:10,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10] total 17 [2025-01-24 03:42:10,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214106898] [2025-01-24 03:42:10,316 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-24 03:42:10,316 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-01-24 03:42:10,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-24 03:42:10,317 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-01-24 03:42:10,317 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2025-01-24 03:42:10,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:42:10,317 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:42:10,317 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 4.055555555555555) internal successors, (73), 17 states have internal predecessors, (73), 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 03:42:10,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:42:10,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:42:10,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:42:10,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:42:10,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:42:10,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:42:10,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-24 03:42:10,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:42:10,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:42:10,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:42:10,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-24 03:42:10,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-24 03:42:10,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:42:10,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-24 03:42:10,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:42:10,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:42:10,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:42:10,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:42:10,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:42:10,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:42:10,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:42:10,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-24 03:42:10,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:42:10,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:42:10,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:42:10,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-24 03:42:10,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-24 03:42:10,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:42:10,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-24 03:42:10,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-24 03:42:10,815 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2025-01-24 03:42:11,007 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:42:11,007 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-24 03:42:11,007 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:42:11,008 INFO L139 ounterexampleChecker]: Examining path program with hash 1668348751, occurence #5 [2025-01-24 03:42:11,008 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 03:42:11,008 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 03:42:11,008 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:42:11,008 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-01-24 03:42:11,008 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:42:11,008 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2025-01-24 03:42:11,008 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:42:11,008 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2025-01-24 03:42:11,008 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:42:11,008 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2025-01-24 03:42:11,008 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:42:11,008 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-01-24 03:42:11,008 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:42:11,008 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42 [2025-01-24 03:42:11,008 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:42:11,008 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2025-01-24 03:42:11,008 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:42:11,008 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 03:42:11,008 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:42:11,008 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:42:11,008 INFO L85 PathProgramCache]: Analyzing trace with hash 1870596118, now seen corresponding path program 7 times [2025-01-24 03:42:11,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-24 03:42:11,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1916765743] [2025-01-24 03:42:11,009 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-24 03:42:11,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:42:11,009 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:42:11,011 INFO L229 MonitoredProcess]: Starting monitored process 28 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 03:42:11,013 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2025-01-24 03:42:11,084 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-01-24 03:42:11,119 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-01-24 03:42:11,120 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 03:42:11,120 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:42:11,123 INFO L256 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-01-24 03:42:11,125 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:42:11,346 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-01-24 03:42:11,346 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 03:42:11,836 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 12 proven. 36 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-01-24 03:42:11,836 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-24 03:42:11,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1916765743] [2025-01-24 03:42:11,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1916765743] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 03:42:11,836 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 03:42:11,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 12] total 21 [2025-01-24 03:42:11,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806546392] [2025-01-24 03:42:11,837 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-24 03:42:11,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2025-01-24 03:42:11,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-24 03:42:11,837 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-01-24 03:42:11,837 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=372, Unknown=0, NotChecked=0, Total=462 [2025-01-24 03:42:11,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:42:11,837 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:42:11,838 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 4.2272727272727275) internal successors, (93), 21 states have internal predecessors, (93), 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 03:42:11,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:42:11,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:42:11,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:42:11,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:42:11,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:42:11,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:42:11,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-24 03:42:11,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:42:11,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:42:11,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:42:11,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-24 03:42:11,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-24 03:42:11,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:42:11,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-24 03:42:11,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-24 03:42:11,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:42:12,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:42:12,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:42:12,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:42:12,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:42:12,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:42:12,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:42:12,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-24 03:42:12,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:42:12,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:42:12,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:42:12,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-24 03:42:12,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-24 03:42:12,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:42:12,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-24 03:42:12,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-24 03:42:12,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-24 03:42:12,489 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2025-01-24 03:42:12,682 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:42:12,683 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-24 03:42:12,683 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:42:12,683 INFO L139 ounterexampleChecker]: Examining path program with hash 1668348751, occurence #6 [2025-01-24 03:42:12,683 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 03:42:12,683 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 03:42:12,683 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:42:12,683 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-01-24 03:42:12,683 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:42:12,683 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2025-01-24 03:42:12,683 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:42:12,683 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2025-01-24 03:42:12,683 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:42:12,683 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2025-01-24 03:42:12,683 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:42:12,683 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-01-24 03:42:12,683 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:42:12,683 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42 [2025-01-24 03:42:12,683 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:42:12,683 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2025-01-24 03:42:12,683 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:42:12,683 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2025-01-24 03:42:12,683 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:42:12,683 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 03:42:12,684 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:42:12,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:42:12,684 INFO L85 PathProgramCache]: Analyzing trace with hash -1762513523, now seen corresponding path program 8 times [2025-01-24 03:42:12,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-24 03:42:12,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [973917105] [2025-01-24 03:42:12,684 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-24 03:42:12,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:42:12,684 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:42:12,686 INFO L229 MonitoredProcess]: Starting monitored process 29 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 03:42:12,688 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2025-01-24 03:42:12,759 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 63 statements into 2 equivalence classes. [2025-01-24 03:42:12,810 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 63 of 63 statements. [2025-01-24 03:42:12,810 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-24 03:42:12,810 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:42:12,815 INFO L256 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-01-24 03:42:12,816 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:42:13,106 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-01-24 03:42:13,106 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 03:42:13,740 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 10 proven. 68 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-01-24 03:42:13,740 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-24 03:42:13,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [973917105] [2025-01-24 03:42:13,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [973917105] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 03:42:13,740 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 03:42:13,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 14] total 25 [2025-01-24 03:42:13,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591478084] [2025-01-24 03:42:13,740 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-24 03:42:13,740 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2025-01-24 03:42:13,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-24 03:42:13,741 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2025-01-24 03:42:13,741 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=536, Unknown=0, NotChecked=0, Total=650 [2025-01-24 03:42:13,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:42:13,741 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:42:13,741 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 4.346153846153846) internal successors, (113), 25 states have internal predecessors, (113), 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 03:42:13,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:42:13,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:42:13,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:42:13,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:42:13,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:42:13,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:42:13,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-24 03:42:13,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:42:13,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:42:13,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:42:13,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-24 03:42:13,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-24 03:42:13,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:42:13,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-24 03:42:13,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-24 03:42:13,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-24 03:42:13,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:42:14,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:42:14,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:42:14,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:42:14,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:42:14,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:42:14,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:42:14,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-24 03:42:14,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:42:14,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:42:14,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:42:14,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-24 03:42:14,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-24 03:42:14,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:42:14,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-24 03:42:14,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-24 03:42:14,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-24 03:42:14,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-24 03:42:14,806 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2025-01-24 03:42:14,998 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:42:14,999 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-24 03:42:14,999 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:42:14,999 INFO L139 ounterexampleChecker]: Examining path program with hash 1668348751, occurence #7 [2025-01-24 03:42:14,999 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 03:42:14,999 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 03:42:14,999 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:42:14,999 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-01-24 03:42:14,999 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:42:14,999 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2025-01-24 03:42:14,999 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:42:14,999 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2025-01-24 03:42:14,999 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:42:14,999 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2025-01-24 03:42:14,999 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:42:14,999 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-01-24 03:42:14,999 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:42:14,999 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42 [2025-01-24 03:42:14,999 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:42:14,999 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2025-01-24 03:42:14,999 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:42:14,999 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2025-01-24 03:42:14,999 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:42:14,999 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 69 [2025-01-24 03:42:14,999 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:42:14,999 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 03:42:14,999 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:42:15,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:42:15,000 INFO L85 PathProgramCache]: Analyzing trace with hash 1281113590, now seen corresponding path program 9 times [2025-01-24 03:42:15,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-24 03:42:15,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1673347287] [2025-01-24 03:42:15,000 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-24 03:42:15,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:42:15,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:42:15,002 INFO L229 MonitoredProcess]: Starting monitored process 30 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 03:42:15,003 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2025-01-24 03:42:15,077 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 72 statements into 6 equivalence classes. [2025-01-24 03:42:15,955 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) and asserted 72 of 72 statements. [2025-01-24 03:42:15,955 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2025-01-24 03:42:15,955 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:42:15,962 INFO L256 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-01-24 03:42:15,963 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:42:16,328 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 0 proven. 116 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-01-24 03:42:16,328 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 03:42:17,197 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 5 proven. 116 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-01-24 03:42:17,198 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-24 03:42:17,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1673347287] [2025-01-24 03:42:17,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1673347287] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 03:42:17,198 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 03:42:17,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 17] total 31 [2025-01-24 03:42:17,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265383330] [2025-01-24 03:42:17,198 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-24 03:42:17,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2025-01-24 03:42:17,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-24 03:42:17,199 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2025-01-24 03:42:17,199 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=226, Invalid=766, Unknown=0, NotChecked=0, Total=992 [2025-01-24 03:42:17,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:42:17,199 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:42:17,199 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 4.125) internal successors, (132), 31 states have internal predecessors, (132), 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 03:42:17,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:42:17,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:42:17,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:42:17,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:42:17,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:42:17,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:42:17,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-24 03:42:17,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:42:17,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:42:17,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:42:17,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-24 03:42:17,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-24 03:42:17,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:42:17,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-24 03:42:17,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-24 03:42:17,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-24 03:42:17,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-24 03:42:17,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:42:18,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:42:18,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:42:18,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:42:18,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:42:18,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:42:18,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:42:18,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-24 03:42:18,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:42:18,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:42:18,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:42:18,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-24 03:42:18,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-24 03:42:18,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:42:18,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-24 03:42:18,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-24 03:42:18,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-24 03:42:18,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-24 03:42:18,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-24 03:42:18,679 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2025-01-24 03:42:18,868 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:42:18,868 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-24 03:42:18,868 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:42:18,868 INFO L139 ounterexampleChecker]: Examining path program with hash 1668348751, occurence #8 [2025-01-24 03:42:18,868 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 03:42:18,869 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 03:42:18,869 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:42:18,869 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-01-24 03:42:18,869 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:42:18,869 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2025-01-24 03:42:18,869 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:42:18,869 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2025-01-24 03:42:18,869 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:42:18,869 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2025-01-24 03:42:18,869 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:42:18,869 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-01-24 03:42:18,869 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:42:18,869 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2025-01-24 03:42:18,869 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:42:18,869 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2025-01-24 03:42:18,869 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:42:18,869 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2025-01-24 03:42:18,869 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:42:18,869 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 70 [2025-01-24 03:42:18,869 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:42:18,870 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 79 [2025-01-24 03:42:18,870 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:42:18,870 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 03:42:18,870 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:42:18,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:42:18,870 INFO L85 PathProgramCache]: Analyzing trace with hash 1837381330, now seen corresponding path program 10 times [2025-01-24 03:42:18,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-24 03:42:18,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1899406268] [2025-01-24 03:42:18,870 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-24 03:42:18,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:42:18,871 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:42:18,875 INFO L229 MonitoredProcess]: Starting monitored process 31 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 03:42:18,877 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2025-01-24 03:42:18,953 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 82 statements into 2 equivalence classes. [2025-01-24 03:42:26,031 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 82 of 82 statements. [2025-01-24 03:42:26,031 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-24 03:42:26,031 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:42:26,043 INFO L256 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 28 conjuncts are in the unsatisfiable core [2025-01-24 03:42:26,044 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:42:26,518 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 169 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-01-24 03:42:26,518 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 03:42:28,096 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 5 proven. 169 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-01-24 03:42:28,096 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-24 03:42:28,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1899406268] [2025-01-24 03:42:28,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1899406268] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 03:42:28,096 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 03:42:28,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 20] total 36 [2025-01-24 03:42:28,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256752234] [2025-01-24 03:42:28,096 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-24 03:42:28,096 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2025-01-24 03:42:28,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-24 03:42:28,097 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2025-01-24 03:42:28,097 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=291, Invalid=1041, Unknown=0, NotChecked=0, Total=1332 [2025-01-24 03:42:28,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:42:28,097 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:42:28,098 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 4.108108108108108) internal successors, (152), 36 states have internal predecessors, (152), 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 03:42:28,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:42:28,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:42:28,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:42:28,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:42:28,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:42:28,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:42:28,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-24 03:42:28,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:42:28,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:42:28,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:42:28,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-24 03:42:28,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-24 03:42:28,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:42:28,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-24 03:42:28,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-24 03:42:28,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-24 03:42:28,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-24 03:42:28,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-01-24 03:42:28,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:42:30,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:42:30,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:42:30,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:42:30,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:42:30,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:42:30,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:42:30,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-24 03:42:30,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:42:30,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:42:30,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:42:30,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-24 03:42:30,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-24 03:42:30,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:42:30,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-24 03:42:30,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-24 03:42:30,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-24 03:42:30,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-24 03:42:30,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-24 03:42:30,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-01-24 03:42:30,265 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2025-01-24 03:42:30,452 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:42:30,452 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-24 03:42:30,452 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:42:30,452 INFO L139 ounterexampleChecker]: Examining path program with hash 1668348751, occurence #9 [2025-01-24 03:42:30,452 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 03:42:30,452 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 03:42:30,452 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:42:30,453 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-01-24 03:42:30,453 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:42:30,453 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2025-01-24 03:42:30,453 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:42:30,453 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2025-01-24 03:42:30,453 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:42:30,453 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2025-01-24 03:42:30,453 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:42:30,453 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-01-24 03:42:30,453 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:42:30,453 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 44 [2025-01-24 03:42:30,453 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:42:30,453 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-01-24 03:42:30,453 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:42:30,453 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 62 [2025-01-24 03:42:30,453 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:42:30,453 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2025-01-24 03:42:30,453 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:42:30,453 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 80 [2025-01-24 03:42:30,453 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:42:30,453 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 89 [2025-01-24 03:42:30,453 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:42:30,453 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 03:42:30,453 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:42:30,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:42:30,454 INFO L85 PathProgramCache]: Analyzing trace with hash -1211200714, now seen corresponding path program 11 times [2025-01-24 03:42:30,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-24 03:42:30,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [832399238] [2025-01-24 03:42:30,454 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-24 03:42:30,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:42:30,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:42:30,456 INFO L229 MonitoredProcess]: Starting monitored process 32 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 03:42:30,464 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2025-01-24 03:42:30,548 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 92 statements into 8 equivalence classes. [2025-01-24 03:42:43,376 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) and asserted 92 of 92 statements. [2025-01-24 03:42:43,376 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2025-01-24 03:42:43,376 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:42:43,387 INFO L256 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 29 conjuncts are in the unsatisfiable core [2025-01-24 03:42:43,389 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:42:43,935 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 0 proven. 232 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-01-24 03:42:43,935 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 03:42:45,256 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 5 proven. 232 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-01-24 03:42:45,256 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-24 03:42:45,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [832399238] [2025-01-24 03:42:45,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [832399238] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 03:42:45,256 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 03:42:45,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 21] total 39 [2025-01-24 03:42:45,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575260802] [2025-01-24 03:42:45,256 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-24 03:42:45,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2025-01-24 03:42:45,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-24 03:42:45,257 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2025-01-24 03:42:45,258 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=342, Invalid=1218, Unknown=0, NotChecked=0, Total=1560 [2025-01-24 03:42:45,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:42:45,258 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:42:45,258 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 4.3) internal successors, (172), 39 states have internal predecessors, (172), 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 03:42:45,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:42:45,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:42:45,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:42:45,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:42:45,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:42:45,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:42:45,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-24 03:42:45,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:42:45,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:42:45,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:42:45,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-24 03:42:45,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-24 03:42:45,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:42:45,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-24 03:42:45,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-24 03:42:45,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-24 03:42:45,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-24 03:42:45,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-01-24 03:42:45,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-01-24 03:42:45,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:42:47,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:42:47,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:42:47,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:42:47,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:42:47,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:42:47,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:42:47,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-24 03:42:47,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:42:47,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:42:47,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:42:47,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-24 03:42:47,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-24 03:42:47,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:42:47,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-24 03:42:47,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-24 03:42:47,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-24 03:42:47,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-24 03:42:47,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-24 03:42:47,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-01-24 03:42:47,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-24 03:42:47,835 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2025-01-24 03:42:48,020 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:42:48,020 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-24 03:42:48,021 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:42:48,021 INFO L139 ounterexampleChecker]: Examining path program with hash 1668348751, occurence #10 [2025-01-24 03:42:48,021 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 03:42:48,021 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 03:42:48,021 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:42:48,021 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-01-24 03:42:48,021 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:42:48,021 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2025-01-24 03:42:48,021 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:42:48,021 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2025-01-24 03:42:48,021 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:42:48,021 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2025-01-24 03:42:48,021 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:42:48,021 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2025-01-24 03:42:48,021 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:42:48,021 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2025-01-24 03:42:48,021 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:42:48,021 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-01-24 03:42:48,021 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:42:48,021 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 63 [2025-01-24 03:42:48,021 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:42:48,021 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 72 [2025-01-24 03:42:48,021 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:42:48,021 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 81 [2025-01-24 03:42:48,021 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:42:48,021 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 90 [2025-01-24 03:42:48,021 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:42:48,021 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 99 [2025-01-24 03:42:48,021 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:42:48,022 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 03:42:48,022 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:42:48,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:42:48,022 INFO L85 PathProgramCache]: Analyzing trace with hash -769602286, now seen corresponding path program 12 times [2025-01-24 03:42:48,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-24 03:42:48,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [858517286] [2025-01-24 03:42:48,022 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-24 03:42:48,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:42:48,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:42:48,026 INFO L229 MonitoredProcess]: Starting monitored process 33 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 03:42:48,027 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2025-01-24 03:42:48,113 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 102 statements into 9 equivalence classes. [2025-01-24 03:42:48,931 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) and asserted 102 of 102 statements. [2025-01-24 03:42:48,931 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2025-01-24 03:42:48,931 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:42:48,942 INFO L256 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 28 conjuncts are in the unsatisfiable core [2025-01-24 03:42:48,944 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:42:49,581 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 0 proven. 305 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-01-24 03:42:49,582 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 03:42:51,176 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 5 proven. 305 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-01-24 03:42:51,177 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-24 03:42:51,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [858517286] [2025-01-24 03:42:51,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [858517286] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 03:42:51,177 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 03:42:51,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 23] total 43 [2025-01-24 03:42:51,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539840039] [2025-01-24 03:42:51,177 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-24 03:42:51,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2025-01-24 03:42:51,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-24 03:42:51,178 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2025-01-24 03:42:51,178 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=409, Invalid=1483, Unknown=0, NotChecked=0, Total=1892 [2025-01-24 03:42:51,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:42:51,178 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:42:51,178 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 4.363636363636363) internal successors, (192), 43 states have internal predecessors, (192), 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 03:42:51,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:42:51,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:42:51,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:42:51,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:42:51,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:42:51,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:42:51,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-24 03:42:51,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:42:51,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:42:51,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:42:51,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-24 03:42:51,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-24 03:42:51,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:42:51,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-24 03:42:51,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-24 03:42:51,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-24 03:42:51,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-24 03:42:51,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-01-24 03:42:51,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-01-24 03:42:51,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-01-24 03:42:51,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:42:54,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:42:54,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:42:54,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:42:54,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:42:54,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:42:54,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:42:54,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-24 03:42:54,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:42:54,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:42:54,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:42:54,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-24 03:42:54,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-24 03:42:54,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:42:54,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-24 03:42:54,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-24 03:42:54,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-24 03:42:54,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-24 03:42:54,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-24 03:42:54,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-01-24 03:42:54,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-24 03:42:54,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-01-24 03:42:54,265 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2025-01-24 03:42:54,453 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:42:54,454 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-24 03:42:54,454 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:42:54,454 INFO L139 ounterexampleChecker]: Examining path program with hash 1668348751, occurence #11 [2025-01-24 03:42:54,454 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 03:42:54,454 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 03:42:54,454 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:42:54,454 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-01-24 03:42:54,454 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:42:54,454 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2025-01-24 03:42:54,454 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:42:54,454 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2025-01-24 03:42:54,454 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:42:54,454 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-01-24 03:42:54,454 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:42:54,454 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-01-24 03:42:54,454 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:42:54,454 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 46 [2025-01-24 03:42:54,454 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:42:54,454 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-01-24 03:42:54,454 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:42:54,454 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 64 [2025-01-24 03:42:54,455 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:42:54,455 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2025-01-24 03:42:54,455 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:42:54,455 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 82 [2025-01-24 03:42:54,455 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:42:54,455 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 91 [2025-01-24 03:42:54,455 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:42:54,455 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 100 [2025-01-24 03:42:54,455 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:42:54,455 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 109 [2025-01-24 03:42:54,455 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:42:54,455 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 03:42:54,455 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:42:54,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:42:54,455 INFO L85 PathProgramCache]: Analyzing trace with hash -1482778506, now seen corresponding path program 13 times [2025-01-24 03:42:54,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-24 03:42:54,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2044276391] [2025-01-24 03:42:54,456 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-24 03:42:54,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:42:54,456 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:42:54,459 INFO L229 MonitoredProcess]: Starting monitored process 34 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 03:42:54,460 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2025-01-24 03:42:54,566 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 112 statements into 1 equivalence classes. [2025-01-24 03:42:54,632 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 112 of 112 statements. [2025-01-24 03:42:54,632 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 03:42:54,632 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:42:54,641 INFO L256 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 28 conjuncts are in the unsatisfiable core [2025-01-24 03:42:54,643 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:42:55,269 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 0 proven. 388 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-01-24 03:42:55,269 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 03:42:57,882 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 10 proven. 378 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-01-24 03:42:57,882 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-24 03:42:57,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2044276391] [2025-01-24 03:42:57,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2044276391] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 03:42:57,882 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 03:42:57,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 25] total 46 [2025-01-24 03:42:57,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496569827] [2025-01-24 03:42:57,883 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-24 03:42:57,883 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2025-01-24 03:42:57,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-24 03:42:57,884 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2025-01-24 03:42:57,884 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=275, Invalid=1887, Unknown=0, NotChecked=0, Total=2162 [2025-01-24 03:42:57,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:42:57,885 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:42:57,885 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 4.48936170212766) internal successors, (211), 46 states have internal predecessors, (211), 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 03:42:57,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:42:57,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:42:57,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:42:57,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:42:57,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:42:57,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:42:57,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-24 03:42:57,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:42:57,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:42:57,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:42:57,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-24 03:42:57,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-24 03:42:57,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:42:57,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-24 03:42:57,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-24 03:42:57,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-24 03:42:57,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-24 03:42:57,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-01-24 03:42:57,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-01-24 03:42:57,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-01-24 03:42:57,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-01-24 03:42:57,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:43:01,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:43:01,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:43:01,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:43:01,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:43:01,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:43:01,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:43:01,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-24 03:43:01,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:43:01,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:43:01,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:43:01,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-24 03:43:01,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-24 03:43:01,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:43:01,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-24 03:43:01,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-24 03:43:01,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-24 03:43:01,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-24 03:43:01,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-24 03:43:01,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-01-24 03:43:01,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-24 03:43:01,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-01-24 03:43:01,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-01-24 03:43:01,722 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2025-01-24 03:43:01,912 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:43:01,912 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-24 03:43:01,912 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:43:01,913 INFO L139 ounterexampleChecker]: Examining path program with hash 1668348751, occurence #12 [2025-01-24 03:43:01,913 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 03:43:01,913 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 03:43:01,913 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:43:01,913 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-01-24 03:43:01,913 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:43:01,913 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2025-01-24 03:43:01,913 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:43:01,913 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2025-01-24 03:43:01,913 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:43:01,913 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-01-24 03:43:01,913 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:43:01,913 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-01-24 03:43:01,913 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:43:01,913 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 46 [2025-01-24 03:43:01,913 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:43:01,913 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-01-24 03:43:01,913 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:43:01,913 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 64 [2025-01-24 03:43:01,913 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:43:01,913 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2025-01-24 03:43:01,913 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:43:01,913 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 82 [2025-01-24 03:43:01,913 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:43:01,913 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 91 [2025-01-24 03:43:01,913 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:43:01,913 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 100 [2025-01-24 03:43:01,913 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:43:01,913 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 109 [2025-01-24 03:43:01,914 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:43:01,914 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 118 [2025-01-24 03:43:01,914 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:43:01,914 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 03:43:01,914 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:43:01,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:43:01,914 INFO L85 PathProgramCache]: Analyzing trace with hash -52491987, now seen corresponding path program 14 times [2025-01-24 03:43:01,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-24 03:43:01,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [782607716] [2025-01-24 03:43:01,914 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-24 03:43:01,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:43:01,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:43:01,916 INFO L229 MonitoredProcess]: Starting monitored process 35 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 03:43:01,917 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2025-01-24 03:43:02,006 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 121 statements into 2 equivalence classes. [2025-01-24 03:43:02,095 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 121 of 121 statements. [2025-01-24 03:43:02,095 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-24 03:43:02,095 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:43:02,105 INFO L256 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 33 conjuncts are in the unsatisfiable core [2025-01-24 03:43:02,107 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:43:03,002 INFO L134 CoverageAnalysis]: Checked inductivity of 485 backedges. 310 proven. 38 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2025-01-24 03:43:03,002 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 03:43:05,913 INFO L134 CoverageAnalysis]: Checked inductivity of 485 backedges. 333 proven. 15 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2025-01-24 03:43:05,914 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-24 03:43:05,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [782607716] [2025-01-24 03:43:05,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [782607716] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 03:43:05,914 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 03:43:05,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 35 [2025-01-24 03:43:05,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627971963] [2025-01-24 03:43:05,914 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-24 03:43:05,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2025-01-24 03:43:05,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-24 03:43:05,915 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2025-01-24 03:43:05,915 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=369, Invalid=891, Unknown=0, NotChecked=0, Total=1260 [2025-01-24 03:43:05,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:43:05,915 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:43:05,916 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 3.9722222222222223) internal successors, (143), 35 states have internal predecessors, (143), 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 03:43:05,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:43:05,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:43:05,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:43:05,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:43:05,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:43:05,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:43:05,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-24 03:43:05,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:43:05,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:43:05,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:43:05,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-24 03:43:05,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-24 03:43:05,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:43:05,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-24 03:43:05,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-24 03:43:05,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-24 03:43:05,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-24 03:43:05,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-01-24 03:43:05,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-01-24 03:43:05,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-01-24 03:43:05,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-01-24 03:43:05,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-01-24 03:43:05,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:43:06,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:43:06,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:43:06,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:43:06,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:43:06,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:43:06,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:43:06,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-24 03:43:06,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:43:06,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:43:06,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:43:06,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-24 03:43:06,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-24 03:43:06,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:43:06,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-24 03:43:06,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-24 03:43:06,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-24 03:43:06,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-24 03:43:06,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-24 03:43:06,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-01-24 03:43:06,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-24 03:43:06,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-01-24 03:43:06,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-01-24 03:43:06,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-24 03:43:06,854 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2025-01-24 03:43:07,044 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:43:07,044 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-24 03:43:07,044 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:43:07,044 INFO L139 ounterexampleChecker]: Examining path program with hash 1668348751, occurence #13 [2025-01-24 03:43:07,044 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 03:43:07,045 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 03:43:07,045 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:43:07,045 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-01-24 03:43:07,045 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:43:07,045 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2025-01-24 03:43:07,045 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:43:07,045 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2025-01-24 03:43:07,045 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:43:07,045 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2025-01-24 03:43:07,045 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:43:07,045 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2025-01-24 03:43:07,045 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:43:07,045 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 47 [2025-01-24 03:43:07,045 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:43:07,045 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 56 [2025-01-24 03:43:07,045 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:43:07,045 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 65 [2025-01-24 03:43:07,045 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:43:07,045 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2025-01-24 03:43:07,045 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:43:07,045 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 83 [2025-01-24 03:43:07,045 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:43:07,045 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 92 [2025-01-24 03:43:07,045 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:43:07,045 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 101 [2025-01-24 03:43:07,045 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:43:07,045 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 110 [2025-01-24 03:43:07,045 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:43:07,045 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 119 [2025-01-24 03:43:07,046 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:43:07,046 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 03:43:07,046 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:43:07,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:43:07,046 INFO L85 PathProgramCache]: Analyzing trace with hash 1664752899, now seen corresponding path program 15 times [2025-01-24 03:43:07,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-24 03:43:07,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1483077381] [2025-01-24 03:43:07,046 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-24 03:43:07,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:43:07,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:43:07,048 INFO L229 MonitoredProcess]: Starting monitored process 36 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 03:43:07,049 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2025-01-24 03:43:07,145 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 122 statements into 11 equivalence classes. [2025-01-24 03:43:11,320 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) and asserted 104 of 122 statements. [2025-01-24 03:43:11,320 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2025-01-24 03:43:11,320 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:43:11,333 INFO L256 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 33 conjuncts are in the unsatisfiable core [2025-01-24 03:43:11,334 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:43:12,627 INFO L134 CoverageAnalysis]: Checked inductivity of 491 backedges. 354 proven. 46 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2025-01-24 03:43:12,627 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 03:43:14,706 INFO L134 CoverageAnalysis]: Checked inductivity of 491 backedges. 89 proven. 311 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2025-01-24 03:43:14,706 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-24 03:43:14,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1483077381] [2025-01-24 03:43:14,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1483077381] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 03:43:14,706 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 03:43:14,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 41 [2025-01-24 03:43:14,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516995301] [2025-01-24 03:43:14,706 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-24 03:43:14,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2025-01-24 03:43:14,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-24 03:43:14,707 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2025-01-24 03:43:14,707 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=381, Invalid=1341, Unknown=0, NotChecked=0, Total=1722 [2025-01-24 03:43:14,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:43:14,708 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:43:14,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 4.142857142857143) internal successors, (174), 41 states have internal predecessors, (174), 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 03:43:14,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:43:14,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:43:14,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:43:14,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:43:14,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:43:14,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:43:14,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-24 03:43:14,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:43:14,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:43:14,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:43:14,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-24 03:43:14,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-24 03:43:14,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:43:14,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-24 03:43:14,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-24 03:43:14,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-24 03:43:14,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-24 03:43:14,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-01-24 03:43:14,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-01-24 03:43:14,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-01-24 03:43:14,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-01-24 03:43:14,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-01-24 03:43:14,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-24 03:43:14,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:43:22,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:43:22,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:43:22,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:43:22,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:43:22,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:43:22,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:43:22,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-24 03:43:22,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:43:22,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:43:22,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:43:22,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-24 03:43:22,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-24 03:43:22,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:43:22,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-24 03:43:22,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-24 03:43:22,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-24 03:43:22,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-24 03:43:22,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-24 03:43:22,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-01-24 03:43:22,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-24 03:43:22,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-01-24 03:43:22,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-01-24 03:43:22,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-24 03:43:22,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-24 03:43:22,109 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Ended with exit code 0 [2025-01-24 03:43:22,294 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:43:22,294 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-24 03:43:22,294 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:43:22,294 INFO L139 ounterexampleChecker]: Examining path program with hash 1668348751, occurence #14 [2025-01-24 03:43:22,294 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 03:43:22,294 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 03:43:22,294 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:43:22,294 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-01-24 03:43:22,294 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:43:22,294 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2025-01-24 03:43:22,294 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:43:22,294 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2025-01-24 03:43:22,294 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:43:22,294 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2025-01-24 03:43:22,294 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:43:22,294 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2025-01-24 03:43:22,294 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:43:22,294 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-01-24 03:43:22,294 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:43:22,294 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-01-24 03:43:22,294 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:43:22,294 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 66 [2025-01-24 03:43:22,294 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:43:22,294 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2025-01-24 03:43:22,294 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:43:22,295 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 84 [2025-01-24 03:43:22,295 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:43:22,295 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2025-01-24 03:43:22,295 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:43:22,295 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 102 [2025-01-24 03:43:22,295 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:43:22,295 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 111 [2025-01-24 03:43:22,295 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:43:22,295 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 120 [2025-01-24 03:43:22,295 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:43:22,295 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 03:43:22,295 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:43:22,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:43:22,295 INFO L85 PathProgramCache]: Analyzing trace with hash -935230483, now seen corresponding path program 16 times [2025-01-24 03:43:22,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-24 03:43:22,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [54969924] [2025-01-24 03:43:22,295 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-24 03:43:22,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:43:22,295 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:43:22,297 INFO L229 MonitoredProcess]: Starting monitored process 37 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 03:43:22,298 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2025-01-24 03:43:22,417 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 123 statements into 2 equivalence classes. [2025-01-24 03:44:02,665 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 123 of 123 statements. [2025-01-24 03:44:02,665 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-24 03:44:02,665 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:44:02,684 INFO L256 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 41 conjuncts are in the unsatisfiable core [2025-01-24 03:44:02,685 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:44:04,010 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 273 proven. 160 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2025-01-24 03:44:04,010 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 03:44:10,245 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 345 proven. 91 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2025-01-24 03:44:10,245 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-24 03:44:10,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [54969924] [2025-01-24 03:44:10,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [54969924] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 03:44:10,245 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 03:44:10,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 24] total 46 [2025-01-24 03:44:10,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150589587] [2025-01-24 03:44:10,245 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-24 03:44:10,245 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2025-01-24 03:44:10,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-24 03:44:10,246 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2025-01-24 03:44:10,247 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=527, Invalid=1635, Unknown=0, NotChecked=0, Total=2162 [2025-01-24 03:44:10,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:44:10,247 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:44:10,247 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 4.23404255319149) internal successors, (199), 46 states have internal predecessors, (199), 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 03:44:10,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:44:10,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:44:10,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:44:10,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:44:10,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:44:10,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:44:10,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-24 03:44:10,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:44:10,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:44:10,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:44:10,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-24 03:44:10,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-24 03:44:10,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:44:10,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-24 03:44:10,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-24 03:44:10,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-24 03:44:10,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-24 03:44:10,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-01-24 03:44:10,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-01-24 03:44:10,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-01-24 03:44:10,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-01-24 03:44:10,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-01-24 03:44:10,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-24 03:44:10,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-24 03:44:10,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:44:16,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:44:16,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:44:16,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:44:16,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:44:16,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:44:16,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:44:16,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-24 03:44:16,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:44:16,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:44:16,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:44:16,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-24 03:44:16,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-24 03:44:16,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:44:16,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-24 03:44:16,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-24 03:44:16,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-24 03:44:16,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-24 03:44:16,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-24 03:44:16,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-01-24 03:44:16,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-24 03:44:16,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-01-24 03:44:16,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-01-24 03:44:16,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-24 03:44:16,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-24 03:44:16,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-24 03:44:16,609 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2025-01-24 03:44:16,778 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:44:16,778 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-24 03:44:16,778 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:44:16,779 INFO L139 ounterexampleChecker]: Examining path program with hash 1668348751, occurence #15 [2025-01-24 03:44:16,779 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 03:44:16,779 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 03:44:16,779 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:44:16,779 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2025-01-24 03:44:16,779 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:44:16,779 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2025-01-24 03:44:16,779 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:44:16,779 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2025-01-24 03:44:16,779 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:44:16,779 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2025-01-24 03:44:16,779 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:44:16,779 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2025-01-24 03:44:16,779 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:44:16,779 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 49 [2025-01-24 03:44:16,779 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:44:16,779 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 58 [2025-01-24 03:44:16,779 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:44:16,779 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 67 [2025-01-24 03:44:16,779 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:44:16,779 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 76 [2025-01-24 03:44:16,779 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:44:16,779 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 85 [2025-01-24 03:44:16,779 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:44:16,779 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2025-01-24 03:44:16,779 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:44:16,779 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 103 [2025-01-24 03:44:16,779 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:44:16,779 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 112 [2025-01-24 03:44:16,779 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:44:16,779 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 121 [2025-01-24 03:44:16,780 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:44:16,780 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 03:44:16,780 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:44:16,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:44:16,780 INFO L85 PathProgramCache]: Analyzing trace with hash 69663299, now seen corresponding path program 17 times [2025-01-24 03:44:16,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-24 03:44:16,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [656197071] [2025-01-24 03:44:16,780 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-24 03:44:16,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:44:16,780 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:44:16,782 INFO L229 MonitoredProcess]: Starting monitored process 38 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 03:44:16,783 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2025-01-24 03:44:16,883 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 124 statements into 11 equivalence classes. [2025-01-24 03:44:41,026 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) and asserted 124 of 124 statements. [2025-01-24 03:44:41,026 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2025-01-24 03:44:41,026 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:44:41,044 INFO L256 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 34 conjuncts are in the unsatisfiable core [2025-01-24 03:44:41,046 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:44:42,087 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 408 proven. 36 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2025-01-24 03:44:42,087 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 03:44:49,911 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 384 proven. 60 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2025-01-24 03:44:49,911 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-24 03:44:49,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [656197071] [2025-01-24 03:44:49,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [656197071] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 03:44:49,911 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 03:44:49,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 37 [2025-01-24 03:44:49,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935993150] [2025-01-24 03:44:49,911 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-24 03:44:49,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2025-01-24 03:44:49,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-24 03:44:49,912 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2025-01-24 03:44:49,913 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=317, Invalid=1089, Unknown=0, NotChecked=0, Total=1406 [2025-01-24 03:44:49,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:44:49,913 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:44:49,913 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 5.342105263157895) internal successors, (203), 37 states have internal predecessors, (203), 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 03:44:49,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:44:49,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:44:49,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:44:49,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:44:49,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:44:49,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:44:49,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-24 03:44:49,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:44:49,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:44:49,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:44:49,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-24 03:44:49,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-24 03:44:49,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:44:49,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-24 03:44:49,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-24 03:44:49,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-24 03:44:49,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-24 03:44:49,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-01-24 03:44:49,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-01-24 03:44:49,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-01-24 03:44:49,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-01-24 03:44:49,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-01-24 03:44:49,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-24 03:44:49,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-24 03:44:49,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-24 03:44:49,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:44:52,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:44:52,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:44:52,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:44:52,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:44:52,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:44:52,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:44:52,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-24 03:44:52,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:44:52,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:44:52,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:44:52,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-24 03:44:52,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-24 03:44:52,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:44:52,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-24 03:44:52,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-24 03:44:52,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-24 03:44:52,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-24 03:44:52,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-24 03:44:52,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-01-24 03:44:52,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-24 03:44:52,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-01-24 03:44:52,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-01-24 03:44:52,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-24 03:44:52,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-24 03:44:52,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-24 03:44:52,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-24 03:44:52,607 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Ended with exit code 0 [2025-01-24 03:44:52,783 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:44:52,783 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-24 03:44:52,783 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:44:52,783 INFO L139 ounterexampleChecker]: Examining path program with hash 1668348751, occurence #16 [2025-01-24 03:44:52,783 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 03:44:52,783 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 03:44:52,783 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:44:52,783 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-01-24 03:44:52,783 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:44:52,783 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2025-01-24 03:44:52,783 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:44:52,783 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2025-01-24 03:44:52,784 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:44:52,784 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-01-24 03:44:52,784 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:44:52,784 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2025-01-24 03:44:52,784 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:44:52,784 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 50 [2025-01-24 03:44:52,784 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:44:52,784 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2025-01-24 03:44:52,784 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:44:52,784 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2025-01-24 03:44:52,784 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:44:52,784 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2025-01-24 03:44:52,784 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:44:52,784 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 86 [2025-01-24 03:44:52,784 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:44:52,784 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2025-01-24 03:44:52,784 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:44:52,784 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 104 [2025-01-24 03:44:52,784 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:44:52,784 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2025-01-24 03:44:52,784 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:44:52,784 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 122 [2025-01-24 03:44:52,784 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:44:52,785 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 03:44:52,785 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:44:52,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:44:52,785 INFO L85 PathProgramCache]: Analyzing trace with hash 1156599469, now seen corresponding path program 18 times [2025-01-24 03:44:52,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-24 03:44:52,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1196171220] [2025-01-24 03:44:52,785 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-24 03:44:52,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:44:52,785 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:44:52,787 INFO L229 MonitoredProcess]: Starting monitored process 39 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 03:44:52,788 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2025-01-24 03:44:52,888 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 125 statements into 11 equivalence classes. [2025-01-24 03:44:56,077 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) and asserted 125 of 125 statements. [2025-01-24 03:44:56,077 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2025-01-24 03:44:56,077 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:44:56,090 INFO L256 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 37 conjuncts are in the unsatisfiable core [2025-01-24 03:44:56,092 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:44:57,238 INFO L134 CoverageAnalysis]: Checked inductivity of 515 backedges. 415 proven. 45 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-01-24 03:44:57,238 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 03:45:07,809 INFO L134 CoverageAnalysis]: Checked inductivity of 515 backedges. 372 proven. 88 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-01-24 03:45:07,809 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-24 03:45:07,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1196171220] [2025-01-24 03:45:07,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1196171220] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 03:45:07,809 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 03:45:07,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 23] total 43 [2025-01-24 03:45:07,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287745925] [2025-01-24 03:45:07,809 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-24 03:45:07,809 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2025-01-24 03:45:07,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-24 03:45:07,810 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2025-01-24 03:45:07,810 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=413, Invalid=1479, Unknown=0, NotChecked=0, Total=1892 [2025-01-24 03:45:07,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:45:07,811 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:45:07,811 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 5.0) internal successors, (220), 43 states have internal predecessors, (220), 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 03:45:07,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:45:07,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:45:07,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:45:07,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:45:07,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:45:07,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:45:07,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-24 03:45:07,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:45:07,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:45:07,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:45:07,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-24 03:45:07,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-24 03:45:07,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:45:07,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-24 03:45:07,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-24 03:45:07,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-24 03:45:07,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-24 03:45:07,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-01-24 03:45:07,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-01-24 03:45:07,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-01-24 03:45:07,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-01-24 03:45:07,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-01-24 03:45:07,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-24 03:45:07,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-24 03:45:07,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-24 03:45:07,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-01-24 03:45:07,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:45:11,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:45:11,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:45:11,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:45:11,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:45:11,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:45:11,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:45:11,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-24 03:45:11,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:45:11,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:45:11,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:45:11,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-24 03:45:11,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-24 03:45:11,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 03:45:11,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-24 03:45:11,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-24 03:45:11,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-24 03:45:11,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-24 03:45:11,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-24 03:45:11,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-01-24 03:45:11,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-24 03:45:11,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-01-24 03:45:11,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-01-24 03:45:11,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-24 03:45:11,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-24 03:45:11,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-24 03:45:11,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-24 03:45:11,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-01-24 03:45:11,255 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Ended with exit code 0 [2025-01-24 03:45:11,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:45:11,441 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-24 03:45:11,441 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:45:11,441 INFO L139 ounterexampleChecker]: Examining path program with hash 1668348751, occurence #17 [2025-01-24 03:45:11,441 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 03:45:11,441 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 03:45:11,441 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:45:11,441 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-01-24 03:45:11,441 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:45:11,441 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2025-01-24 03:45:11,441 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:45:11,441 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2025-01-24 03:45:11,441 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:45:11,441 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-01-24 03:45:11,441 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:45:11,441 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42 [2025-01-24 03:45:11,442 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:45:11,442 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2025-01-24 03:45:11,442 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:45:11,442 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2025-01-24 03:45:11,442 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:45:11,442 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 69 [2025-01-24 03:45:11,442 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:45:11,442 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 78 [2025-01-24 03:45:11,442 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:45:11,442 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 87 [2025-01-24 03:45:11,442 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:45:11,442 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 96 [2025-01-24 03:45:11,442 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:45:11,442 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 105 [2025-01-24 03:45:11,442 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:45:11,442 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2025-01-24 03:45:11,442 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:45:11,442 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 123 [2025-01-24 03:45:11,442 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:45:11,442 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 03:45:11,443 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:45:11,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:45:11,443 INFO L85 PathProgramCache]: Analyzing trace with hash 491882371, now seen corresponding path program 19 times [2025-01-24 03:45:11,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-24 03:45:11,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1671777289] [2025-01-24 03:45:11,443 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-24 03:45:11,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:45:11,443 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:45:11,445 INFO L229 MonitoredProcess]: Starting monitored process 40 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 03:45:11,446 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2025-01-24 03:45:11,549 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 126 statements into 1 equivalence classes. [2025-01-24 03:45:11,881 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 126 of 126 statements. [2025-01-24 03:45:11,881 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 03:45:11,881 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:45:11,894 INFO L256 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 139 conjuncts are in the unsatisfiable core [2025-01-24 03:45:11,898 INFO L279 TraceCheckSpWp]: Computing forward predicates... Killed by 15