./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-more-min-array.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-min-array.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 2261d9b3f7623cbd5155b35c39657066d179b87a48a9848bd1f196c713477a75 --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 03:39:12,575 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-24 03:39:12,672 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2025-01-24 03:39:12,677 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-24 03:39:12,678 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-24 03:39:12,708 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-24 03:39:12,709 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-24 03:39:12,709 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-24 03:39:12,709 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-24 03:39:12,709 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-24 03:39:12,710 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-24 03:39:12,710 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-24 03:39:12,710 INFO L153 SettingsManager]: * Use SBE=true [2025-01-24 03:39:12,710 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-24 03:39:12,710 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-24 03:39:12,710 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-24 03:39:12,710 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-24 03:39:12,710 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-24 03:39:12,710 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-24 03:39:12,710 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-24 03:39:12,710 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-24 03:39:12,710 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-24 03:39:12,710 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-24 03:39:12,711 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-24 03:39:12,711 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-24 03:39:12,711 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-24 03:39:12,711 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-24 03:39:12,711 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-24 03:39:12,711 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-24 03:39:12,711 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-24 03:39:12,711 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-24 03:39:12,711 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-24 03:39:12,711 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-24 03:39:12,711 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-24 03:39:12,711 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-01-24 03:39:12,712 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-24 03:39:12,712 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-24 03:39:12,712 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-01-24 03:39:12,712 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-24 03:39:12,712 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-24 03:39:12,712 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-01-24 03:39:12,712 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-01-24 03:39:12,712 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-01-24 03:39:12,712 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 -> 2261d9b3f7623cbd5155b35c39657066d179b87a48a9848bd1f196c713477a75 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 03:39:12,980 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-24 03:39:12,987 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-24 03:39:12,988 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-24 03:39:12,989 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-24 03:39:12,990 INFO L274 PluginConnector]: CDTParser initialized [2025-01-24 03:39:12,991 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-more-min-array.wvr.c [2025-01-24 03:39:14,332 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/3792c4185/4b42b5d7232a408d8b5e70ef153a2a9f/FLAGa09e19f99 [2025-01-24 03:39:14,564 INFO L384 CDTParser]: Found 1 translation units. [2025-01-24 03:39:14,564 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/popl20-more-min-array.wvr.c [2025-01-24 03:39:14,573 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/3792c4185/4b42b5d7232a408d8b5e70ef153a2a9f/FLAGa09e19f99 [2025-01-24 03:39:14,589 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/3792c4185/4b42b5d7232a408d8b5e70ef153a2a9f [2025-01-24 03:39:14,591 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-24 03:39:14,594 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-24 03:39:14,595 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-24 03:39:14,595 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-24 03:39:14,599 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-24 03:39:14,600 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 03:39:14" (1/1) ... [2025-01-24 03:39:14,601 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a3ad638 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:39:14, skipping insertion in model container [2025-01-24 03:39:14,601 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 03:39:14" (1/1) ... [2025-01-24 03:39:14,618 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-24 03:39:14,780 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-min-array.wvr.c[2592,2605] [2025-01-24 03:39:14,793 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-24 03:39:14,805 INFO L200 MainTranslator]: Completed pre-run [2025-01-24 03:39:14,876 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-min-array.wvr.c[2592,2605] [2025-01-24 03:39:14,883 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-24 03:39:14,904 INFO L204 MainTranslator]: Completed translation [2025-01-24 03:39:14,905 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:39:14 WrapperNode [2025-01-24 03:39:14,907 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-24 03:39:14,908 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-24 03:39:14,908 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-24 03:39:14,908 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-24 03:39:14,913 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:39:14" (1/1) ... [2025-01-24 03:39:14,919 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:39:14" (1/1) ... [2025-01-24 03:39:14,941 INFO L138 Inliner]: procedures = 23, calls = 28, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 83 [2025-01-24 03:39:14,944 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-24 03:39:14,945 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-24 03:39:14,945 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-24 03:39:14,945 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-24 03:39:14,951 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:39:14" (1/1) ... [2025-01-24 03:39:14,951 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:39:14" (1/1) ... [2025-01-24 03:39:14,954 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:39:14" (1/1) ... [2025-01-24 03:39:14,956 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:39:14" (1/1) ... [2025-01-24 03:39:14,962 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:39:14" (1/1) ... [2025-01-24 03:39:14,966 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:39:14" (1/1) ... [2025-01-24 03:39:14,973 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:39:14" (1/1) ... [2025-01-24 03:39:14,974 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:39:14" (1/1) ... [2025-01-24 03:39:14,975 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:39:14" (1/1) ... [2025-01-24 03:39:14,976 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-24 03:39:14,981 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-24 03:39:14,981 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-24 03:39:14,981 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-24 03:39:14,982 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:39:14" (1/1) ... [2025-01-24 03:39:14,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-24 03:39:15,003 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:39:15,016 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 03:39:15,019 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 03:39:15,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-24 03:39:15,045 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-01-24 03:39:15,045 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-01-24 03:39:15,045 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-01-24 03:39:15,045 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-01-24 03:39:15,045 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-01-24 03:39:15,045 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-01-24 03:39:15,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-01-24 03:39:15,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-01-24 03:39:15,046 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-01-24 03:39:15,046 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-01-24 03:39:15,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-24 03:39:15,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-24 03:39:15,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-24 03:39:15,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-01-24 03:39:15,048 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 03:39:15,157 INFO L234 CfgBuilder]: Building ICFG [2025-01-24 03:39:15,160 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-24 03:39:15,393 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-24 03:39:15,394 INFO L283 CfgBuilder]: Performing block encoding [2025-01-24 03:39:15,585 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-24 03:39:15,586 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-24 03:39:15,586 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 03:39:15 BoogieIcfgContainer [2025-01-24 03:39:15,586 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-24 03:39:15,589 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-24 03:39:15,589 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-24 03:39:15,595 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-24 03:39:15,595 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.01 03:39:14" (1/3) ... [2025-01-24 03:39:15,596 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a204d45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.01 03:39:15, skipping insertion in model container [2025-01-24 03:39:15,597 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:39:14" (2/3) ... [2025-01-24 03:39:15,598 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a204d45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.01 03:39:15, skipping insertion in model container [2025-01-24 03:39:15,598 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 03:39:15" (3/3) ... [2025-01-24 03:39:15,599 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-more-min-array.wvr.c [2025-01-24 03:39:15,613 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-24 03:39:15,615 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-more-min-array.wvr.c that has 4 procedures, 30 locations, 1 initial locations, 4 loop locations, and 1 error locations. [2025-01-24 03:39:15,615 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-24 03:39:15,686 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-01-24 03:39:15,736 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-24 03:39:15,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-01-24 03:39:15,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:39:15,741 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 03:39:15,743 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 03:39:15,822 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-01-24 03:39:15,838 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-01-24 03:39:15,846 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;@77b7ee16, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-24 03:39:15,848 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-01-24 03:39:16,343 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 03:39:16,343 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:39:16,344 INFO L139 ounterexampleChecker]: Examining path program with hash 1260518571, occurence #1 [2025-01-24 03:39:16,344 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 03:39:16,344 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:39:16,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:39:16,347 INFO L85 PathProgramCache]: Analyzing trace with hash 1961689747, now seen corresponding path program 1 times [2025-01-24 03:39:16,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 03:39:16,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936204580] [2025-01-24 03:39:16,355 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 03:39:16,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 03:39:16,426 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-01-24 03:39:16,487 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-01-24 03:39:16,487 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 03:39:16,487 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:39:16,921 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 03:39:16,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 03:39:16,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936204580] [2025-01-24 03:39:16,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936204580] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-24 03:39:16,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-24 03:39:16,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-01-24 03:39:16,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489538101] [2025-01-24 03:39:16,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-24 03:39:16,927 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-24 03:39:16,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 03:39:16,942 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-24 03:39:16,942 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2025-01-24 03:39:16,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:39:16,944 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:39:16,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.0) internal successors, (32), 8 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 03:39:16,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:39:17,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-24 03:39:17,207 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-24 03:39:17,207 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 03:39:17,208 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:39:17,208 INFO L139 ounterexampleChecker]: Examining path program with hash 595267042, occurence #1 [2025-01-24 03:39:17,208 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 03:39:17,208 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:39:17,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:39:17,208 INFO L85 PathProgramCache]: Analyzing trace with hash -1649575062, now seen corresponding path program 2 times [2025-01-24 03:39:17,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 03:39:17,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543397121] [2025-01-24 03:39:17,209 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-24 03:39:17,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 03:39:17,226 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 40 statements into 2 equivalence classes. [2025-01-24 03:39:17,243 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 22 of 40 statements. [2025-01-24 03:39:17,243 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-24 03:39:17,243 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:39:17,365 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2025-01-24 03:39:17,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 03:39:17,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543397121] [2025-01-24 03:39:17,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543397121] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-24 03:39:17,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-24 03:39:17,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-24 03:39:17,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904883756] [2025-01-24 03:39:17,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-24 03:39:17,366 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-24 03:39:17,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 03:39:17,367 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-24 03:39:17,367 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-24 03:39:17,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:39:17,367 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:39:17,369 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-24 03:39:17,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-24 03:39:17,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:39:17,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-24 03:39:17,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:39:17,446 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-24 03:39:17,446 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 03:39:17,447 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:39:17,447 INFO L139 ounterexampleChecker]: Examining path program with hash 595267042, occurence #2 [2025-01-24 03:39:17,447 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 03:39:17,447 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 03:39:17,448 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:39:17,448 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2025-01-24 03:39:17,461 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:39:17,461 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-01-24 03:39:17,462 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:39:17,462 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2025-01-24 03:39:17,462 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:39:17,462 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-01-24 03:39:17,462 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:39:17,462 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 03:39:17,463 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:39:17,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:39:17,464 INFO L85 PathProgramCache]: Analyzing trace with hash 67272202, now seen corresponding path program 1 times [2025-01-24 03:39:17,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 03:39:17,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392880950] [2025-01-24 03:39:17,465 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 03:39:17,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 03:39:17,477 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-01-24 03:39:17,500 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-01-24 03:39:17,501 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 03:39:17,501 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:39:17,743 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-01-24 03:39:17,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 03:39:17,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392880950] [2025-01-24 03:39:17,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392880950] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 03:39:17,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [746804151] [2025-01-24 03:39:17,744 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 03:39:17,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:39:17,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:39:17,767 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 03:39:17,769 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 03:39:17,826 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-01-24 03:39:17,858 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-01-24 03:39:17,859 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 03:39:17,859 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:39:17,862 INFO L256 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-01-24 03:39:17,867 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:39:17,973 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-01-24 03:39:17,973 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 03:39:18,059 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-01-24 03:39:18,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [746804151] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 03:39:18,059 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 03:39:18,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2025-01-24 03:39:18,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700376554] [2025-01-24 03:39:18,061 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 03:39:18,061 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-01-24 03:39:18,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 03:39:18,062 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-01-24 03:39:18,062 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2025-01-24 03:39:18,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:39:18,062 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:39:18,062 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.6923076923076925) internal successors, (61), 12 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 03:39:18,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-24 03:39:18,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:39:18,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:39:18,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-24 03:39:18,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:39:18,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:39:18,248 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 03:39:18,440 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:39:18,440 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 03:39:18,440 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:39:18,440 INFO L139 ounterexampleChecker]: Examining path program with hash 595267042, occurence #3 [2025-01-24 03:39:18,440 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 03:39:18,440 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 03:39:18,441 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:39:18,441 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-01-24 03:39:18,441 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:39:18,441 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-01-24 03:39:18,441 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:39:18,441 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-01-24 03:39:18,441 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:39:18,441 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2025-01-24 03:39:18,441 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:39:18,441 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 03:39:18,441 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:39:18,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:39:18,442 INFO L85 PathProgramCache]: Analyzing trace with hash 1749929834, now seen corresponding path program 2 times [2025-01-24 03:39:18,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 03:39:18,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783922137] [2025-01-24 03:39:18,442 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-24 03:39:18,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 03:39:18,457 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 42 statements into 2 equivalence classes. [2025-01-24 03:39:18,491 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 42 of 42 statements. [2025-01-24 03:39:18,491 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-24 03:39:18,491 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:39:18,711 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 7 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 03:39:18,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 03:39:18,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783922137] [2025-01-24 03:39:18,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783922137] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 03:39:18,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1067847704] [2025-01-24 03:39:18,712 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-24 03:39:18,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:39:18,712 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:39:18,715 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 03:39:18,717 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 03:39:18,768 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 42 statements into 2 equivalence classes. [2025-01-24 03:39:18,796 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 42 of 42 statements. [2025-01-24 03:39:18,796 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-24 03:39:18,796 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:39:18,798 INFO L256 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-01-24 03:39:18,800 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:39:19,015 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 03:39:19,016 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 03:39:19,137 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 03:39:19,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1067847704] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 03:39:19,137 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 03:39:19,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 17 [2025-01-24 03:39:19,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089157500] [2025-01-24 03:39:19,138 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 03:39:19,139 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-01-24 03:39:19,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 03:39:19,140 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-01-24 03:39:19,140 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2025-01-24 03:39:19,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:39:19,142 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:39:19,142 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 4.5) internal successors, (81), 17 states have internal predecessors, (81), 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 03:39:19,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-24 03:39:19,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:39:19,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:39:19,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:39:19,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-24 03:39:19,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:39:19,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:39:19,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 03:39:19,329 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-01-24 03:39:19,521 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:39:19,522 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 03:39:19,522 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:39:19,522 INFO L139 ounterexampleChecker]: Examining path program with hash 595267042, occurence #4 [2025-01-24 03:39:19,522 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 03:39:19,522 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 03:39:19,522 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:39:19,522 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-01-24 03:39:19,522 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:39:19,522 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-01-24 03:39:19,522 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:39:19,522 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-01-24 03:39:19,522 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:39:19,522 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2025-01-24 03:39:19,522 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:39:19,522 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 03:39:19,522 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:39:19,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:39:19,523 INFO L85 PathProgramCache]: Analyzing trace with hash -1922258422, now seen corresponding path program 3 times [2025-01-24 03:39:19,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 03:39:19,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350671153] [2025-01-24 03:39:19,523 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-24 03:39:19,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 03:39:19,534 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 43 statements into 3 equivalence classes. [2025-01-24 03:39:19,586 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 43 of 43 statements. [2025-01-24 03:39:19,586 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-01-24 03:39:19,586 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:39:19,817 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 03:39:19,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 03:39:19,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350671153] [2025-01-24 03:39:19,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350671153] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 03:39:19,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1581560004] [2025-01-24 03:39:19,817 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-24 03:39:19,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:39:19,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:39:19,822 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 03:39:19,826 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 03:39:19,885 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 43 statements into 3 equivalence classes. [2025-01-24 03:39:19,913 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 43 of 43 statements. [2025-01-24 03:39:19,913 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-01-24 03:39:19,913 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:39:19,914 INFO L256 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-01-24 03:39:19,916 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:39:20,103 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 03:39:20,104 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 03:39:20,262 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 03:39:20,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1581560004] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 03:39:20,263 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 03:39:20,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 22 [2025-01-24 03:39:20,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471902959] [2025-01-24 03:39:20,263 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 03:39:20,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-01-24 03:39:20,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 03:39:20,265 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-01-24 03:39:20,265 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=416, Unknown=0, NotChecked=0, Total=506 [2025-01-24 03:39:20,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:39:20,266 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:39:20,266 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 4.739130434782608) internal successors, (109), 22 states have internal predecessors, (109), 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 03:39:20,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-24 03:39:20,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:39:20,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:39:20,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 03:39:20,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:39:20,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-24 03:39:20,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:39:20,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:39:20,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 03:39:20,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:39:20,616 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 03:39:20,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:39:20,806 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 03:39:20,806 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:39:20,807 INFO L139 ounterexampleChecker]: Examining path program with hash 595267042, occurence #5 [2025-01-24 03:39:20,807 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 03:39:20,807 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 03:39:20,807 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:39:20,807 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-01-24 03:39:20,807 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:39:20,807 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2025-01-24 03:39:20,807 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:39:20,807 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2025-01-24 03:39:20,807 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:39:20,807 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 49 [2025-01-24 03:39:20,807 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:39:20,807 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 03:39:20,807 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:39:20,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:39:20,808 INFO L85 PathProgramCache]: Analyzing trace with hash -237758832, now seen corresponding path program 4 times [2025-01-24 03:39:20,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 03:39:20,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655663267] [2025-01-24 03:39:20,808 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-24 03:39:20,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 03:39:20,818 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 53 statements into 2 equivalence classes. [2025-01-24 03:39:20,825 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 48 of 53 statements. [2025-01-24 03:39:20,825 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-24 03:39:20,825 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:39:20,963 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2025-01-24 03:39:20,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 03:39:20,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655663267] [2025-01-24 03:39:20,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655663267] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 03:39:20,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2096452737] [2025-01-24 03:39:20,963 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-24 03:39:20,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:39:20,964 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:39:20,966 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 03:39:20,969 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 03:39:21,029 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 53 statements into 2 equivalence classes. [2025-01-24 03:39:21,048 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 48 of 53 statements. [2025-01-24 03:39:21,048 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-24 03:39:21,049 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:39:21,050 INFO L256 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-01-24 03:39:21,052 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:39:21,375 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-01-24 03:39:21,376 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 03:39:21,623 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-01-24 03:39:21,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2096452737] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 03:39:21,626 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 03:39:21,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 14, 12] total 28 [2025-01-24 03:39:21,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458674747] [2025-01-24 03:39:21,626 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 03:39:21,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2025-01-24 03:39:21,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 03:39:21,627 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2025-01-24 03:39:21,628 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=195, Invalid=561, Unknown=0, NotChecked=0, Total=756 [2025-01-24 03:39:21,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:39:21,628 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:39:21,628 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 3.642857142857143) internal successors, (102), 28 states have internal predecessors, (102), 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 03:39:21,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-24 03:39:21,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:39:21,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:39:21,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 03:39:21,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:39:21,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:39:22,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-24 03:39:22,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:39:22,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:39:22,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 03:39:22,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:39:22,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2025-01-24 03:39:22,943 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-01-24 03:39:23,140 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:39:23,140 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 03:39:23,140 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:39:23,140 INFO L139 ounterexampleChecker]: Examining path program with hash -1055272187, occurence #1 [2025-01-24 03:39:23,140 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 03:39:23,140 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:39:23,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:39:23,141 INFO L85 PathProgramCache]: Analyzing trace with hash -1381838997, now seen corresponding path program 5 times [2025-01-24 03:39:23,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 03:39:23,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441320134] [2025-01-24 03:39:23,141 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-24 03:39:23,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 03:39:23,153 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 77 statements into 6 equivalence classes. [2025-01-24 03:39:23,202 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) and asserted 77 of 77 statements. [2025-01-24 03:39:23,202 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2025-01-24 03:39:23,202 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:39:23,485 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 99 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-24 03:39:23,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 03:39:23,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441320134] [2025-01-24 03:39:23,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441320134] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 03:39:23,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1848818908] [2025-01-24 03:39:23,486 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-24 03:39:23,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:39:23,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:39:23,489 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 03:39:23,492 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 03:39:23,544 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 77 statements into 6 equivalence classes. [2025-01-24 03:39:23,635 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) and asserted 77 of 77 statements. [2025-01-24 03:39:23,635 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2025-01-24 03:39:23,635 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:39:23,640 INFO L256 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-01-24 03:39:23,646 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:39:23,926 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 99 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-24 03:39:23,926 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 03:39:24,114 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 99 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-24 03:39:24,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1848818908] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 03:39:24,114 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 03:39:24,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 27 [2025-01-24 03:39:24,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953478008] [2025-01-24 03:39:24,114 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 03:39:24,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2025-01-24 03:39:24,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 03:39:24,115 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2025-01-24 03:39:24,116 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=198, Invalid=558, Unknown=0, NotChecked=0, Total=756 [2025-01-24 03:39:24,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:39:24,116 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:39:24,116 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 4.5) internal successors, (126), 27 states have internal predecessors, (126), 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 03:39:24,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-24 03:39:24,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:39:24,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:39:24,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 03:39:24,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:39:24,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2025-01-24 03:39:24,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:39:24,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-24 03:39:24,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:39:24,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:39:24,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 03:39:24,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:39:24,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2025-01-24 03:39:24,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-24 03:39:24,267 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-01-24 03:39:24,461 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:39:24,461 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 03:39:24,461 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:39:24,462 INFO L139 ounterexampleChecker]: Examining path program with hash -1055272187, occurence #2 [2025-01-24 03:39:24,462 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 03:39:24,462 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 03:39:24,462 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:39:24,462 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-01-24 03:39:24,462 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:39:24,462 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-01-24 03:39:24,462 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:39:24,462 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-01-24 03:39:24,462 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:39:24,462 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2025-01-24 03:39:24,462 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:39:24,462 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 03:39:24,463 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:39:24,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:39:24,463 INFO L85 PathProgramCache]: Analyzing trace with hash -2125926197, now seen corresponding path program 6 times [2025-01-24 03:39:24,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 03:39:24,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16310177] [2025-01-24 03:39:24,463 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-24 03:39:24,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 03:39:24,474 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 78 statements into 6 equivalence classes. [2025-01-24 03:39:24,531 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) and asserted 78 of 78 statements. [2025-01-24 03:39:24,531 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2025-01-24 03:39:24,531 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:39:24,819 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 88 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 03:39:24,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 03:39:24,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16310177] [2025-01-24 03:39:24,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [16310177] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 03:39:24,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [533564844] [2025-01-24 03:39:24,819 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-24 03:39:24,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:39:24,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:39:24,821 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 03:39:24,822 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 03:39:24,872 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 78 statements into 6 equivalence classes. [2025-01-24 03:39:24,977 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) and asserted 78 of 78 statements. [2025-01-24 03:39:24,977 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2025-01-24 03:39:24,977 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:39:24,979 INFO L256 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-01-24 03:39:24,981 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:39:25,302 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 100 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 03:39:25,302 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 03:39:25,516 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 100 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 03:39:25,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [533564844] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 03:39:25,516 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 03:39:25,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 33 [2025-01-24 03:39:25,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613305140] [2025-01-24 03:39:25,517 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 03:39:25,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2025-01-24 03:39:25,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 03:39:25,519 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2025-01-24 03:39:25,519 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=286, Invalid=836, Unknown=0, NotChecked=0, Total=1122 [2025-01-24 03:39:25,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:39:25,520 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:39:25,520 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 4.470588235294118) internal successors, (152), 33 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 03:39:25,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-24 03:39:25,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:39:25,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:39:25,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 03:39:25,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:39:25,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2025-01-24 03:39:25,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-24 03:39:25,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:39:25,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-24 03:39:25,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:39:25,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:39:25,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 03:39:25,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:39:25,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2025-01-24 03:39:25,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-24 03:39:25,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 03:39:25,636 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-01-24 03:39:25,828 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:39:25,829 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 03:39:25,829 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:39:25,832 INFO L139 ounterexampleChecker]: Examining path program with hash -1055272187, occurence #3 [2025-01-24 03:39:25,832 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 03:39:25,832 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 03:39:25,832 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:39:25,832 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-01-24 03:39:25,832 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:39:25,832 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-01-24 03:39:25,832 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:39:25,832 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2025-01-24 03:39:25,832 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:39:25,833 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2025-01-24 03:39:25,833 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:39:25,833 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 03:39:25,833 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:39:25,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:39:25,833 INFO L85 PathProgramCache]: Analyzing trace with hash 577174379, now seen corresponding path program 7 times [2025-01-24 03:39:25,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 03:39:25,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052441249] [2025-01-24 03:39:25,833 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-24 03:39:25,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 03:39:25,847 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-01-24 03:39:25,866 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-01-24 03:39:25,866 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 03:39:25,866 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:39:26,371 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 59 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 03:39:26,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 03:39:26,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052441249] [2025-01-24 03:39:26,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052441249] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 03:39:26,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1172154783] [2025-01-24 03:39:26,372 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-24 03:39:26,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:39:26,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:39:26,374 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 03:39:26,376 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 03:39:26,429 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-01-24 03:39:26,459 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-01-24 03:39:26,459 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 03:39:26,459 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:39:26,464 INFO L256 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-01-24 03:39:26,466 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:39:26,941 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 76 proven. 37 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-01-24 03:39:26,941 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 03:39:27,334 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 92 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-01-24 03:39:27,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1172154783] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 03:39:27,335 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 03:39:27,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 17, 17] total 52 [2025-01-24 03:39:27,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360752550] [2025-01-24 03:39:27,335 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 03:39:27,336 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2025-01-24 03:39:27,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 03:39:27,337 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2025-01-24 03:39:27,338 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=517, Invalid=2239, Unknown=0, NotChecked=0, Total=2756 [2025-01-24 03:39:27,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:39:27,338 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:39:27,339 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 3.3207547169811322) internal successors, (176), 52 states have internal predecessors, (176), 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 03:39:27,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-24 03:39:27,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:39:27,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:39:27,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 03:39:27,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:39:27,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2025-01-24 03:39:27,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-24 03:39:27,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 03:39:27,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:39:27,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-24 03:39:27,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:39:27,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:39:27,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 03:39:27,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:39:27,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2025-01-24 03:39:27,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-24 03:39:27,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 03:39:27,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-24 03:39:27,520 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-01-24 03:39:27,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:39:27,717 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 03:39:27,718 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:39:27,718 INFO L139 ounterexampleChecker]: Examining path program with hash -1055272187, occurence #4 [2025-01-24 03:39:27,718 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 03:39:27,718 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 03:39:27,718 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:39:27,718 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2025-01-24 03:39:27,718 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:39:27,718 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2025-01-24 03:39:27,718 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:39:27,718 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2025-01-24 03:39:27,718 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:39:27,718 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 76 [2025-01-24 03:39:27,718 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:39:27,718 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 03:39:27,718 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:39:27,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:39:27,719 INFO L85 PathProgramCache]: Analyzing trace with hash -1526053685, now seen corresponding path program 8 times [2025-01-24 03:39:27,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 03:39:27,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760068631] [2025-01-24 03:39:27,719 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-24 03:39:27,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 03:39:27,729 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 80 statements into 2 equivalence classes. [2025-01-24 03:39:27,741 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 80 of 80 statements. [2025-01-24 03:39:27,741 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-24 03:39:27,741 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:39:28,073 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 15 proven. 113 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 03:39:28,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 03:39:28,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760068631] [2025-01-24 03:39:28,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1760068631] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 03:39:28,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1263550760] [2025-01-24 03:39:28,074 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-24 03:39:28,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:39:28,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:39:28,076 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 03:39:28,078 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 03:39:28,132 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 80 statements into 2 equivalence classes. [2025-01-24 03:39:28,174 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 80 of 80 statements. [2025-01-24 03:39:28,174 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-24 03:39:28,174 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:39:28,176 INFO L256 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-01-24 03:39:28,178 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:39:28,615 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 86 proven. 37 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-01-24 03:39:28,616 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 03:39:29,122 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 95 proven. 28 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-01-24 03:39:29,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1263550760] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 03:39:29,123 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 03:39:29,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 19, 19] total 51 [2025-01-24 03:39:29,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303275296] [2025-01-24 03:39:29,123 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 03:39:29,124 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2025-01-24 03:39:29,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 03:39:29,125 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2025-01-24 03:39:29,125 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=419, Invalid=2233, Unknown=0, NotChecked=0, Total=2652 [2025-01-24 03:39:29,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:39:29,126 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:39:29,126 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 3.5961538461538463) internal successors, (187), 51 states have internal predecessors, (187), 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 03:39:29,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-24 03:39:29,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:39:29,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:39:29,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 03:39:29,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:39:29,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2025-01-24 03:39:29,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-24 03:39:29,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 03:39:29,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-24 03:39:29,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:39:29,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-24 03:39:29,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:39:29,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:39:29,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 03:39:29,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:39:29,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2025-01-24 03:39:29,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-24 03:39:29,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 03:39:29,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-24 03:39:29,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-24 03:39:29,726 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-01-24 03:39:29,917 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:39:29,917 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 03:39:29,917 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:39:29,917 INFO L139 ounterexampleChecker]: Examining path program with hash -1055272187, occurence #5 [2025-01-24 03:39:29,917 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 03:39:29,917 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 03:39:29,918 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:39:29,918 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-01-24 03:39:29,918 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:39:29,918 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-01-24 03:39:29,918 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:39:29,918 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2025-01-24 03:39:29,918 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:39:29,918 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2025-01-24 03:39:29,918 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:39:29,918 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 03:39:29,918 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:39:29,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:39:29,918 INFO L85 PathProgramCache]: Analyzing trace with hash 2107790507, now seen corresponding path program 9 times [2025-01-24 03:39:29,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 03:39:29,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362261492] [2025-01-24 03:39:29,919 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-24 03:39:29,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 03:39:29,933 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 99 statements into 8 equivalence classes. [2025-01-24 03:39:30,395 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) and asserted 99 of 99 statements. [2025-01-24 03:39:30,396 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2025-01-24 03:39:30,396 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:39:30,991 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 142 proven. 97 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 03:39:30,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 03:39:30,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362261492] [2025-01-24 03:39:30,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362261492] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 03:39:30,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1550845571] [2025-01-24 03:39:30,991 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-24 03:39:30,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:39:30,991 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:39:30,993 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 03:39:30,994 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 03:39:31,056 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 99 statements into 8 equivalence classes. [2025-01-24 03:39:31,214 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) and asserted 99 of 99 statements. [2025-01-24 03:39:31,214 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2025-01-24 03:39:31,214 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:39:31,216 INFO L256 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-01-24 03:39:31,218 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:39:31,825 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 203 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 03:39:31,825 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 03:39:32,312 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 203 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 03:39:32,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1550845571] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 03:39:32,313 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 03:39:32,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 20, 20] total 66 [2025-01-24 03:39:32,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109804227] [2025-01-24 03:39:32,313 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 03:39:32,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2025-01-24 03:39:32,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 03:39:32,314 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2025-01-24 03:39:32,315 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=658, Invalid=3764, Unknown=0, NotChecked=0, Total=4422 [2025-01-24 03:39:32,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:39:32,315 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:39:32,316 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 67 states have (on average 4.1940298507462686) internal successors, (281), 66 states have internal predecessors, (281), 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 03:39:32,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-24 03:39:32,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:39:32,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:39:32,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 03:39:32,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:39:32,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2025-01-24 03:39:32,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-24 03:39:32,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 03:39:32,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-24 03:39:32,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-01-24 03:39:32,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:39:32,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-24 03:39:32,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:39:32,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:39:32,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 03:39:32,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:39:32,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2025-01-24 03:39:32,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-24 03:39:32,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 03:39:32,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-24 03:39:32,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-24 03:39:32,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:39:32,549 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-01-24 03:39:32,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,11 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:39:32,741 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 03:39:32,741 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:39:32,741 INFO L139 ounterexampleChecker]: Examining path program with hash -1055272187, occurence #6 [2025-01-24 03:39:32,741 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 03:39:32,741 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 03:39:32,741 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:39:32,741 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2025-01-24 03:39:32,741 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:39:32,741 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2025-01-24 03:39:32,741 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:39:32,741 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2025-01-24 03:39:32,741 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:39:32,741 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2025-01-24 03:39:32,741 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:39:32,741 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 03:39:32,741 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:39:32,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:39:32,742 INFO L85 PathProgramCache]: Analyzing trace with hash -843218773, now seen corresponding path program 10 times [2025-01-24 03:39:32,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 03:39:32,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988543675] [2025-01-24 03:39:32,742 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-24 03:39:32,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 03:39:32,752 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 101 statements into 2 equivalence classes. [2025-01-24 03:39:32,760 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 90 of 101 statements. [2025-01-24 03:39:32,760 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-24 03:39:32,760 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:39:33,095 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 177 proven. 25 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2025-01-24 03:39:33,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 03:39:33,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988543675] [2025-01-24 03:39:33,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1988543675] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 03:39:33,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1780325827] [2025-01-24 03:39:33,096 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-24 03:39:33,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:39:33,096 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:39:33,099 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 03:39:33,102 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 03:39:33,172 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 101 statements into 2 equivalence classes. [2025-01-24 03:39:33,198 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 90 of 101 statements. [2025-01-24 03:39:33,198 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-24 03:39:33,198 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:39:33,200 INFO L256 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 27 conjuncts are in the unsatisfiable core [2025-01-24 03:39:33,202 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:39:34,044 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 203 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-01-24 03:39:34,044 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 03:39:34,613 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 177 proven. 26 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-01-24 03:39:34,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1780325827] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 03:39:34,614 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 03:39:34,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 28, 22] total 60 [2025-01-24 03:39:34,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286424679] [2025-01-24 03:39:34,614 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 03:39:34,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2025-01-24 03:39:34,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 03:39:34,616 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2025-01-24 03:39:34,616 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=877, Invalid=2663, Unknown=0, NotChecked=0, Total=3540 [2025-01-24 03:39:34,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:39:34,616 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:39:34,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 60 states have (on average 4.116666666666666) internal successors, (247), 60 states have internal predecessors, (247), 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 03:39:34,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-24 03:39:34,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:39:34,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:39:34,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 03:39:34,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:39:34,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2025-01-24 03:39:34,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-24 03:39:34,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 03:39:34,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-24 03:39:34,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-01-24 03:39:34,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:39:34,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:39:37,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-24 03:39:37,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:39:37,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:39:37,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 03:39:37,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:39:37,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2025-01-24 03:39:37,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-24 03:39:37,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 03:39:37,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-24 03:39:37,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-24 03:39:37,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:39:37,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2025-01-24 03:39:37,263 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-01-24 03:39:37,457 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,SelfDestructingSolverStorable11 [2025-01-24 03:39:37,458 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 03:39:37,458 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:39:37,458 INFO L139 ounterexampleChecker]: Examining path program with hash -576854083, occurence #1 [2025-01-24 03:39:37,458 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 03:39:37,458 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:39:37,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:39:37,458 INFO L85 PathProgramCache]: Analyzing trace with hash 36443744, now seen corresponding path program 11 times [2025-01-24 03:39:37,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 03:39:37,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835817361] [2025-01-24 03:39:37,459 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-24 03:39:37,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 03:39:37,473 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 119 statements into 10 equivalence classes. [2025-01-24 03:39:37,593 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) and asserted 119 of 119 statements. [2025-01-24 03:39:37,594 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2025-01-24 03:39:37,594 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:39:38,124 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 387 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 03:39:38,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 03:39:38,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835817361] [2025-01-24 03:39:38,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835817361] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 03:39:38,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1223883130] [2025-01-24 03:39:38,124 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-24 03:39:38,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:39:38,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:39:38,129 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 03:39:38,132 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 03:39:38,201 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 119 statements into 10 equivalence classes. [2025-01-24 03:39:38,691 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) and asserted 119 of 119 statements. [2025-01-24 03:39:38,691 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2025-01-24 03:39:38,691 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:39:38,697 INFO L256 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 34 conjuncts are in the unsatisfiable core [2025-01-24 03:39:38,700 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:39:39,651 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 363 proven. 79 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 03:39:39,651 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 03:39:40,608 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 387 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 03:39:40,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1223883130] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 03:39:40,608 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 03:39:40,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 32, 32] total 85 [2025-01-24 03:39:40,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569555558] [2025-01-24 03:39:40,609 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 03:39:40,609 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 86 states [2025-01-24 03:39:40,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 03:39:40,610 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2025-01-24 03:39:40,612 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1541, Invalid=5769, Unknown=0, NotChecked=0, Total=7310 [2025-01-24 03:39:40,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:39:40,612 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:39:40,612 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 86 states, 86 states have (on average 3.7790697674418605) internal successors, (325), 85 states have internal predecessors, (325), 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 03:39:40,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-24 03:39:40,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:39:40,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:39:40,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 03:39:40,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:39:40,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2025-01-24 03:39:40,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-24 03:39:40,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 03:39:40,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-24 03:39:40,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-01-24 03:39:40,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:39:40,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2025-01-24 03:39:40,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:39:40,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-24 03:39:40,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:39:40,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:39:40,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 03:39:40,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:39:40,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2025-01-24 03:39:40,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-24 03:39:40,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 03:39:40,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-24 03:39:40,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-24 03:39:40,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:39:40,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2025-01-24 03:39:40,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-01-24 03:39:40,757 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 03:39:40,951 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:39:40,951 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 03:39:40,951 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:39:40,951 INFO L139 ounterexampleChecker]: Examining path program with hash -576854083, occurence #2 [2025-01-24 03:39:40,951 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 03:39:40,951 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 03:39:40,951 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:39:40,951 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2025-01-24 03:39:40,952 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:39:40,952 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2025-01-24 03:39:40,952 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:39:40,952 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2025-01-24 03:39:40,952 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:39:40,952 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 122 [2025-01-24 03:39:40,952 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:39:40,952 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 03:39:40,952 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:39:40,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:39:40,952 INFO L85 PathProgramCache]: Analyzing trace with hash 1086244448, now seen corresponding path program 12 times [2025-01-24 03:39:40,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 03:39:40,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361802739] [2025-01-24 03:39:40,952 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-24 03:39:40,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 03:39:40,968 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 127 statements into 10 equivalence classes. [2025-01-24 03:39:41,191 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) and asserted 127 of 127 statements. [2025-01-24 03:39:41,192 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2025-01-24 03:39:41,192 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:39:42,433 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 287 proven. 271 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 03:39:42,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 03:39:42,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361802739] [2025-01-24 03:39:42,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361802739] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 03:39:42,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1758686287] [2025-01-24 03:39:42,433 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-24 03:39:42,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:39:42,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:39:42,435 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 03:39:42,436 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 03:39:42,507 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 127 statements into 10 equivalence classes. [2025-01-24 03:39:43,105 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) and asserted 127 of 127 statements. [2025-01-24 03:39:43,105 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2025-01-24 03:39:43,105 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:39:43,109 INFO L256 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 27 conjuncts are in the unsatisfiable core [2025-01-24 03:39:43,111 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:39:44,139 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 0 proven. 387 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2025-01-24 03:39:44,139 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 03:39:45,191 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 7 proven. 380 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2025-01-24 03:39:45,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1758686287] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 03:39:45,192 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 03:39:45,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 28, 27] total 92 [2025-01-24 03:39:45,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201642623] [2025-01-24 03:39:45,192 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 03:39:45,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 92 states [2025-01-24 03:39:45,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 03:39:45,194 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 92 interpolants. [2025-01-24 03:39:45,198 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=788, Invalid=7584, Unknown=0, NotChecked=0, Total=8372 [2025-01-24 03:39:45,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:39:45,199 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:39:45,199 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 92 states, 92 states have (on average 3.5869565217391304) internal successors, (330), 92 states have internal predecessors, (330), 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 03:39:45,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-24 03:39:45,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:39:45,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:39:45,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 03:39:45,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:39:45,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2025-01-24 03:39:45,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-24 03:39:45,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 03:39:45,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-24 03:39:45,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-01-24 03:39:45,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:39:45,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2025-01-24 03:39:45,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-01-24 03:39:45,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:39:52,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-24 03:39:52,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:39:52,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:39:52,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 03:39:52,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:39:52,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2025-01-24 03:39:52,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-24 03:39:52,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 03:39:52,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-24 03:39:52,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-24 03:39:52,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:39:52,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2025-01-24 03:39:52,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-01-24 03:39:52,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2025-01-24 03:39:52,813 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 03:39:53,006 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:39:53,006 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 03:39:53,006 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:39:53,007 INFO L139 ounterexampleChecker]: Examining path program with hash 2067573984, occurence #1 [2025-01-24 03:39:53,007 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 03:39:53,007 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:39:53,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:39:53,007 INFO L85 PathProgramCache]: Analyzing trace with hash -1215838155, now seen corresponding path program 13 times [2025-01-24 03:39:53,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 03:39:53,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65560244] [2025-01-24 03:39:53,007 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-24 03:39:53,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 03:39:53,036 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 233 statements into 1 equivalence classes. [2025-01-24 03:39:53,065 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 233 of 233 statements. [2025-01-24 03:39:53,065 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 03:39:53,065 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:39:57,589 INFO L134 CoverageAnalysis]: Checked inductivity of 2060 backedges. 1577 proven. 483 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 03:39:57,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 03:39:57,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65560244] [2025-01-24 03:39:57,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [65560244] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 03:39:57,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1632421977] [2025-01-24 03:39:57,590 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-24 03:39:57,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:39:57,590 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:39:57,592 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 03:39:57,593 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 03:39:57,684 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 233 statements into 1 equivalence classes. [2025-01-24 03:39:57,753 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 233 of 233 statements. [2025-01-24 03:39:57,753 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 03:39:57,753 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:39:57,756 INFO L256 TraceCheckSpWp]: Trace formula consists of 592 conjuncts, 45 conjuncts are in the unsatisfiable core [2025-01-24 03:39:57,759 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:39:59,869 INFO L134 CoverageAnalysis]: Checked inductivity of 2060 backedges. 1337 proven. 217 refuted. 0 times theorem prover too weak. 506 trivial. 0 not checked. [2025-01-24 03:39:59,869 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 03:40:02,304 INFO L134 CoverageAnalysis]: Checked inductivity of 2060 backedges. 1364 proven. 190 refuted. 0 times theorem prover too weak. 506 trivial. 0 not checked. [2025-01-24 03:40:02,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1632421977] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 03:40:02,305 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 03:40:02,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [89, 43, 43] total 171 [2025-01-24 03:40:02,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037752384] [2025-01-24 03:40:02,305 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 03:40:02,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 172 states [2025-01-24 03:40:02,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 03:40:02,307 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 172 interpolants. [2025-01-24 03:40:02,313 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=4447, Invalid=24965, Unknown=0, NotChecked=0, Total=29412 [2025-01-24 03:40:02,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:40:02,314 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:40:02,314 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 172 states, 172 states have (on average 2.744186046511628) internal successors, (472), 171 states have internal predecessors, (472), 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 03:40:02,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-24 03:40:02,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:40:02,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:40:02,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 03:40:02,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:40:02,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2025-01-24 03:40:02,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-24 03:40:02,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 03:40:02,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-24 03:40:02,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-01-24 03:40:02,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:40:02,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2025-01-24 03:40:02,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-01-24 03:40:02,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 158 states. [2025-01-24 03:40:02,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:40:02,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-24 03:40:02,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:40:02,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:40:02,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 03:40:02,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:40:02,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2025-01-24 03:40:02,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-24 03:40:02,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 03:40:02,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-24 03:40:02,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-24 03:40:02,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:40:02,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2025-01-24 03:40:02,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-01-24 03:40:02,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2025-01-24 03:40:02,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-24 03:40:02,586 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2025-01-24 03:40:02,778 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,SelfDestructingSolverStorable14 [2025-01-24 03:40:02,778 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 03:40:02,778 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:40:02,778 INFO L139 ounterexampleChecker]: Examining path program with hash 2067573984, occurence #2 [2025-01-24 03:40:02,778 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 03:40:02,778 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 03:40:02,778 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:40:02,779 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2025-01-24 03:40:02,779 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:40:02,779 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2025-01-24 03:40:02,779 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:40:02,779 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-01-24 03:40:02,779 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:40:02,779 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 229 [2025-01-24 03:40:02,779 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:40:02,779 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 03:40:02,779 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:40:02,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:40:02,779 INFO L85 PathProgramCache]: Analyzing trace with hash -769517163, now seen corresponding path program 14 times [2025-01-24 03:40:02,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 03:40:02,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086407683] [2025-01-24 03:40:02,779 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-24 03:40:02,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 03:40:02,796 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 234 statements into 2 equivalence classes. [2025-01-24 03:40:02,832 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 234 of 234 statements. [2025-01-24 03:40:02,832 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-24 03:40:02,832 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:40:04,389 INFO L134 CoverageAnalysis]: Checked inductivity of 2080 backedges. 1755 proven. 324 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-24 03:40:04,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 03:40:04,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086407683] [2025-01-24 03:40:04,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086407683] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 03:40:04,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2114882287] [2025-01-24 03:40:04,389 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-24 03:40:04,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:40:04,390 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:40:04,391 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 03:40:04,392 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 03:40:04,480 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 234 statements into 2 equivalence classes. [2025-01-24 03:40:04,555 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 234 of 234 statements. [2025-01-24 03:40:04,555 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-24 03:40:04,555 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:40:04,557 INFO L256 TraceCheckSpWp]: Trace formula consists of 601 conjuncts, 47 conjuncts are in the unsatisfiable core [2025-01-24 03:40:04,560 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:40:06,134 INFO L134 CoverageAnalysis]: Checked inductivity of 2080 backedges. 1367 proven. 268 refuted. 0 times theorem prover too weak. 445 trivial. 0 not checked. [2025-01-24 03:40:06,134 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 03:40:07,991 INFO L134 CoverageAnalysis]: Checked inductivity of 2080 backedges. 1425 proven. 210 refuted. 0 times theorem prover too weak. 445 trivial. 0 not checked. [2025-01-24 03:40:07,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2114882287] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 03:40:07,992 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 03:40:07,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 45, 45] total 132 [2025-01-24 03:40:07,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770055293] [2025-01-24 03:40:07,992 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 03:40:07,992 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 133 states [2025-01-24 03:40:07,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 03:40:07,993 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 133 interpolants. [2025-01-24 03:40:07,995 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3087, Invalid=14469, Unknown=0, NotChecked=0, Total=17556 [2025-01-24 03:40:07,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:40:07,995 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:40:07,995 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 133 states, 133 states have (on average 3.518796992481203) internal successors, (468), 132 states have internal predecessors, (468), 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 03:40:07,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-24 03:40:07,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:40:07,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:40:07,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 03:40:07,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:40:07,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2025-01-24 03:40:07,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-24 03:40:07,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 03:40:07,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-24 03:40:07,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-01-24 03:40:07,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:40:07,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2025-01-24 03:40:07,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-01-24 03:40:07,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 158 states. [2025-01-24 03:40:07,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-01-24 03:40:07,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:40:08,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-24 03:40:08,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:40:08,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:40:08,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 03:40:08,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:40:08,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2025-01-24 03:40:08,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-24 03:40:08,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 03:40:08,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-24 03:40:08,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-24 03:40:08,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:40:08,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2025-01-24 03:40:08,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-01-24 03:40:08,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2025-01-24 03:40:08,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-24 03:40:08,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-24 03:40:08,241 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 03:40:08,435 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2025-01-24 03:40:08,435 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 03:40:08,435 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:40:08,435 INFO L139 ounterexampleChecker]: Examining path program with hash 2067573984, occurence #3 [2025-01-24 03:40:08,435 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 03:40:08,435 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 03:40:08,435 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:40:08,436 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2025-01-24 03:40:08,436 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:40:08,436 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2025-01-24 03:40:08,436 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:40:08,436 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2025-01-24 03:40:08,436 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:40:08,436 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 230 [2025-01-24 03:40:08,436 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:40:08,436 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 03:40:08,436 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:40:08,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:40:08,436 INFO L85 PathProgramCache]: Analyzing trace with hash 181531701, now seen corresponding path program 15 times [2025-01-24 03:40:08,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 03:40:08,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513385071] [2025-01-24 03:40:08,437 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-24 03:40:08,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 03:40:08,452 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 235 statements into 21 equivalence classes. [2025-01-24 03:40:36,074 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 21 check-sat command(s) and asserted 235 of 235 statements. [2025-01-24 03:40:36,075 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 21 check-sat command(s) [2025-01-24 03:40:36,075 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:40:37,533 INFO L134 CoverageAnalysis]: Checked inductivity of 2101 backedges. 1810 proven. 291 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 03:40:37,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 03:40:37,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513385071] [2025-01-24 03:40:37,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513385071] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 03:40:37,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1955864440] [2025-01-24 03:40:37,534 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-24 03:40:37,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:40:37,534 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:40:37,536 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 03:40:37,537 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 03:40:37,649 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 235 statements into 21 equivalence classes. [2025-01-24 03:40:46,912 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 21 check-sat command(s) and asserted 235 of 235 statements. [2025-01-24 03:40:46,912 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 21 check-sat command(s) [2025-01-24 03:40:46,912 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:40:46,925 INFO L256 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 48 conjuncts are in the unsatisfiable core [2025-01-24 03:40:46,930 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:40:48,511 INFO L134 CoverageAnalysis]: Checked inductivity of 2101 backedges. 1870 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 03:40:48,511 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 03:40:49,757 INFO L134 CoverageAnalysis]: Checked inductivity of 2101 backedges. 1870 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 03:40:49,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1955864440] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 03:40:49,757 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 03:40:49,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 46, 46] total 114 [2025-01-24 03:40:49,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979497440] [2025-01-24 03:40:49,757 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 03:40:49,758 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 115 states [2025-01-24 03:40:49,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 03:40:49,759 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 115 interpolants. [2025-01-24 03:40:49,760 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2990, Invalid=10120, Unknown=0, NotChecked=0, Total=13110 [2025-01-24 03:40:49,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:40:49,760 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:40:49,760 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 115 states, 115 states have (on average 4.28695652173913) internal successors, (493), 114 states have internal predecessors, (493), 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 03:40:49,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-24 03:40:49,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:40:49,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:40:49,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 03:40:49,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:40:49,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2025-01-24 03:40:49,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-24 03:40:49,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 03:40:49,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-24 03:40:49,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-01-24 03:40:49,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:40:49,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2025-01-24 03:40:49,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-01-24 03:40:49,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 158 states. [2025-01-24 03:40:49,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-01-24 03:40:49,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-24 03:40:49,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:40:49,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-24 03:40:49,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:40:49,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:40:49,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 03:40:49,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:40:49,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2025-01-24 03:40:49,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-24 03:40:49,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 03:40:49,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-24 03:40:49,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-24 03:40:49,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:40:49,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2025-01-24 03:40:49,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-01-24 03:40:49,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2025-01-24 03:40:49,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-24 03:40:49,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-24 03:40:49,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-24 03:40:49,965 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2025-01-24 03:40:50,142 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2025-01-24 03:40:50,142 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 03:40:50,142 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:40:50,143 INFO L139 ounterexampleChecker]: Examining path program with hash 2067573984, occurence #4 [2025-01-24 03:40:50,143 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 03:40:50,143 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 03:40:50,143 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:40:50,143 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2025-01-24 03:40:50,143 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:40:50,143 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2025-01-24 03:40:50,143 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:40:50,143 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2025-01-24 03:40:50,143 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:40:50,143 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 231 [2025-01-24 03:40:50,143 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:40:50,143 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 03:40:50,143 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:40:50,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:40:50,144 INFO L85 PathProgramCache]: Analyzing trace with hash -400724587, now seen corresponding path program 16 times [2025-01-24 03:40:50,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 03:40:50,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788680582] [2025-01-24 03:40:50,144 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-24 03:40:50,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 03:40:50,159 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 236 statements into 2 equivalence classes. [2025-01-24 03:40:50,170 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 213 of 236 statements. [2025-01-24 03:40:50,170 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-24 03:40:50,170 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:40:51,094 INFO L134 CoverageAnalysis]: Checked inductivity of 2123 backedges. 1690 proven. 179 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2025-01-24 03:40:51,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 03:40:51,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788680582] [2025-01-24 03:40:51,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788680582] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 03:40:51,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1478003431] [2025-01-24 03:40:51,094 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-24 03:40:51,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:40:51,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:40:51,096 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 03:40:51,097 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 03:40:51,197 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 236 statements into 2 equivalence classes. [2025-01-24 03:40:51,235 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 213 of 236 statements. [2025-01-24 03:40:51,235 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-24 03:40:51,235 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:40:51,237 INFO L256 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 69 conjuncts are in the unsatisfiable core [2025-01-24 03:40:51,240 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:40:53,844 INFO L134 CoverageAnalysis]: Checked inductivity of 2123 backedges. 0 proven. 1870 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2025-01-24 03:40:53,844 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 03:40:55,215 INFO L134 CoverageAnalysis]: Checked inductivity of 2123 backedges. 835 proven. 1035 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2025-01-24 03:40:55,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1478003431] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 03:40:55,216 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 03:40:55,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 70, 51] total 145 [2025-01-24 03:40:55,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981020259] [2025-01-24 03:40:55,216 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 03:40:55,216 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 145 states [2025-01-24 03:40:55,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 03:40:55,218 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 145 interpolants. [2025-01-24 03:40:55,220 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5474, Invalid=15406, Unknown=0, NotChecked=0, Total=20880 [2025-01-24 03:40:55,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:40:55,220 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:40:55,221 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 145 states, 145 states have (on average 4.2620689655172415) internal successors, (618), 145 states have internal predecessors, (618), 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 03:40:55,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-24 03:40:55,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:40:55,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:40:55,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 03:40:55,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:40:55,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2025-01-24 03:40:55,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-24 03:40:55,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 03:40:55,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-24 03:40:55,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-01-24 03:40:55,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:40:55,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2025-01-24 03:40:55,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-01-24 03:40:55,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 158 states. [2025-01-24 03:40:55,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-01-24 03:40:55,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-24 03:40:55,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-01-24 03:40:55,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:41:04,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-24 03:41:04,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:41:04,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:41:04,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 03:41:04,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:41:04,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2025-01-24 03:41:04,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-24 03:41:04,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 03:41:04,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-24 03:41:04,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-24 03:41:04,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:41:04,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2025-01-24 03:41:04,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-01-24 03:41:04,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2025-01-24 03:41:04,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-24 03:41:04,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-24 03:41:04,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-24 03:41:04,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 225 states. [2025-01-24 03:41:04,225 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 03:41:04,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-01-24 03:41:04,419 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 03:41:04,419 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:41:04,420 INFO L139 ounterexampleChecker]: Examining path program with hash 486160861, occurence #1 [2025-01-24 03:41:04,420 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 03:41:04,420 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:41:04,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:41:04,420 INFO L85 PathProgramCache]: Analyzing trace with hash 1618087862, now seen corresponding path program 17 times [2025-01-24 03:41:04,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 03:41:04,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444349316] [2025-01-24 03:41:04,420 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-24 03:41:04,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 03:41:04,439 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 353 statements into 33 equivalence classes. [2025-01-24 03:41:05,218 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 33 check-sat command(s) and asserted 353 of 353 statements. [2025-01-24 03:41:05,218 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 33 check-sat command(s) [2025-01-24 03:41:05,218 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:41:07,317 INFO L134 CoverageAnalysis]: Checked inductivity of 4985 backedges. 4732 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 03:41:07,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 03:41:07,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444349316] [2025-01-24 03:41:07,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444349316] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 03:41:07,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1002261458] [2025-01-24 03:41:07,318 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-24 03:41:07,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:41:07,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:41:07,319 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 03:41:07,320 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 03:41:07,435 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 353 statements into 33 equivalence classes. [2025-01-24 03:42:30,406 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 33 check-sat command(s) and asserted 353 of 353 statements. [2025-01-24 03:42:30,406 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 33 check-sat command(s) [2025-01-24 03:42:30,406 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:42:30,425 INFO L256 TraceCheckSpWp]: Trace formula consists of 775 conjuncts, 65 conjuncts are in the unsatisfiable core [2025-01-24 03:42:30,430 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:42:33,281 INFO L134 CoverageAnalysis]: Checked inductivity of 4985 backedges. 4732 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 03:42:33,281 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 03:42:35,392 INFO L134 CoverageAnalysis]: Checked inductivity of 4985 backedges. 4732 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 03:42:35,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1002261458] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 03:42:35,392 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 03:42:35,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [63, 63, 63] total 163 [2025-01-24 03:42:35,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459609417] [2025-01-24 03:42:35,393 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 03:42:35,393 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 164 states [2025-01-24 03:42:35,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 03:42:35,396 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 164 interpolants. [2025-01-24 03:42:35,399 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6751, Invalid=19981, Unknown=0, NotChecked=0, Total=26732 [2025-01-24 03:42:35,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:42:35,399 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:42:35,400 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 164 states, 164 states have (on average 5.2926829268292686) internal successors, (868), 163 states have internal predecessors, (868), 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 03:42:35,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-24 03:42:35,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:42:35,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:42:35,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 03:42:35,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:42:35,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2025-01-24 03:42:35,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-24 03:42:35,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 03:42:35,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-24 03:42:35,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-01-24 03:42:35,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:42:35,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2025-01-24 03:42:35,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-01-24 03:42:35,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 158 states. [2025-01-24 03:42:35,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-01-24 03:42:35,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-24 03:42:35,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-01-24 03:42:35,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 225 states. [2025-01-24 03:42:35,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:42:35,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-24 03:42:35,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:42:35,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:42:35,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 03:42:35,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:42:35,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2025-01-24 03:42:35,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-24 03:42:35,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 03:42:35,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-24 03:42:35,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-24 03:42:35,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:42:35,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2025-01-24 03:42:35,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-01-24 03:42:35,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2025-01-24 03:42:35,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-24 03:42:35,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-24 03:42:35,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-24 03:42:35,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 225 states. [2025-01-24 03:42:35,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-01-24 03:42:35,692 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 03:42:35,816 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:42:35,816 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 03:42:35,816 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:42:35,817 INFO L139 ounterexampleChecker]: Examining path program with hash 486160861, occurence #2 [2025-01-24 03:42:35,817 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 03:42:35,817 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 03:42:35,817 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:42:35,817 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2025-01-24 03:42:35,817 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:42:35,817 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2025-01-24 03:42:35,817 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:42:35,817 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 46 [2025-01-24 03:42:35,817 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:42:35,817 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 356 [2025-01-24 03:42:35,817 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:42:35,817 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 359 [2025-01-24 03:42:35,817 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:42:35,817 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 362 [2025-01-24 03:42:35,817 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:42:35,818 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 364 [2025-01-24 03:42:35,818 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:42:35,818 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 03:42:35,818 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:42:35,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:42:35,818 INFO L85 PathProgramCache]: Analyzing trace with hash -835752010, now seen corresponding path program 18 times [2025-01-24 03:42:35,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 03:42:35,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315297556] [2025-01-24 03:42:35,818 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-24 03:42:35,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 03:42:35,847 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 369 statements into 33 equivalence classes. [2025-01-24 03:42:40,324 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 33 check-sat command(s) and asserted 369 of 369 statements. [2025-01-24 03:42:40,324 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 33 check-sat command(s) [2025-01-24 03:42:40,324 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:42:42,257 INFO L134 CoverageAnalysis]: Checked inductivity of 5473 backedges. 1241 proven. 2573 refuted. 0 times theorem prover too weak. 1659 trivial. 0 not checked. [2025-01-24 03:42:42,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 03:42:42,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315297556] [2025-01-24 03:42:42,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315297556] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 03:42:42,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [77456691] [2025-01-24 03:42:42,258 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-24 03:42:42,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:42:42,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:42:42,259 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 03:42:42,260 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 03:42:42,392 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 369 statements into 33 equivalence classes. [2025-01-24 03:43:56,369 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 33 check-sat command(s) and asserted 369 of 369 statements. [2025-01-24 03:43:56,370 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 33 check-sat command(s) [2025-01-24 03:43:56,370 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:43:56,408 INFO L256 TraceCheckSpWp]: Trace formula consists of 919 conjuncts, 81 conjuncts are in the unsatisfiable core [2025-01-24 03:43:56,412 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:43:59,173 INFO L134 CoverageAnalysis]: Checked inductivity of 5473 backedges. 0 proven. 4732 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2025-01-24 03:43:59,173 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 03:44:00,922 INFO L134 CoverageAnalysis]: Checked inductivity of 5473 backedges. 1169 proven. 2019 refuted. 0 times theorem prover too weak. 2285 trivial. 0 not checked. [2025-01-24 03:44:00,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [77456691] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 03:44:00,922 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 03:44:00,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 82, 27] total 135 [2025-01-24 03:44:00,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416163498] [2025-01-24 03:44:00,922 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 03:44:00,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 135 states [2025-01-24 03:44:00,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 03:44:00,926 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 135 interpolants. [2025-01-24 03:44:00,928 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1695, Invalid=16395, Unknown=0, NotChecked=0, Total=18090 [2025-01-24 03:44:00,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:44:00,928 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:44:00,928 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 135 states, 135 states have (on average 4.681481481481481) internal successors, (632), 135 states have internal predecessors, (632), 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 03:44:00,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-24 03:44:00,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:44:00,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:44:00,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 03:44:00,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:44:00,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2025-01-24 03:44:00,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-24 03:44:00,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 03:44:00,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-24 03:44:00,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-01-24 03:44:00,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:44:00,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2025-01-24 03:44:00,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-01-24 03:44:00,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 158 states. [2025-01-24 03:44:00,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-01-24 03:44:00,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-24 03:44:00,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-01-24 03:44:00,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 225 states. [2025-01-24 03:44:00,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2025-01-24 03:44:00,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:44:18,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-24 03:44:18,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:44:18,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:44:18,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 03:44:18,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:44:18,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2025-01-24 03:44:18,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-24 03:44:18,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 03:44:18,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-24 03:44:18,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-24 03:44:18,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:44:18,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2025-01-24 03:44:18,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-01-24 03:44:18,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2025-01-24 03:44:18,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-24 03:44:18,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-24 03:44:18,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-24 03:44:18,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 225 states. [2025-01-24 03:44:18,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-01-24 03:44:18,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 374 states. [2025-01-24 03:44:18,774 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 03:44:18,921 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,SelfDestructingSolverStorable19 [2025-01-24 03:44:18,922 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 03:44:18,922 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:44:18,922 INFO L139 ounterexampleChecker]: Examining path program with hash 486160861, occurence #3 [2025-01-24 03:44:18,922 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 03:44:18,922 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 03:44:18,922 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:44:18,922 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2025-01-24 03:44:18,922 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:44:18,922 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2025-01-24 03:44:18,922 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:44:18,922 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 46 [2025-01-24 03:44:18,922 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:44:18,922 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 491 [2025-01-24 03:44:18,922 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:44:18,922 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 494 [2025-01-24 03:44:18,922 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:44:18,922 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 497 [2025-01-24 03:44:18,922 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:44:18,923 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 500 [2025-01-24 03:44:18,923 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:44:18,923 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 503 [2025-01-24 03:44:18,923 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:44:18,923 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 506 [2025-01-24 03:44:18,923 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:44:18,923 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 509 [2025-01-24 03:44:18,923 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:44:18,923 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 512 [2025-01-24 03:44:18,923 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:44:18,923 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 515 [2025-01-24 03:44:18,923 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:44:18,923 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 518 [2025-01-24 03:44:18,923 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:44:18,923 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 520 [2025-01-24 03:44:18,923 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:44:18,923 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 03:44:18,923 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:44:18,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:44:18,924 INFO L85 PathProgramCache]: Analyzing trace with hash 1483252187, now seen corresponding path program 19 times [2025-01-24 03:44:18,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 03:44:18,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189685238] [2025-01-24 03:44:18,924 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-24 03:44:18,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 03:44:18,952 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 525 statements into 1 equivalence classes. [2025-01-24 03:44:19,001 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 525 of 525 statements. [2025-01-24 03:44:19,001 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 03:44:19,002 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:44:37,817 INFO L134 CoverageAnalysis]: Checked inductivity of 10991 backedges. 9552 proven. 1439 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 03:44:37,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 03:44:37,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189685238] [2025-01-24 03:44:37,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189685238] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 03:44:37,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1658630985] [2025-01-24 03:44:37,818 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-24 03:44:37,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:44:37,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:44:37,819 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 03:44:37,820 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 03:44:37,979 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 525 statements into 1 equivalence classes. [2025-01-24 03:44:38,097 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 525 of 525 statements. [2025-01-24 03:44:38,097 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 03:44:38,097 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:44:38,102 INFO L256 TraceCheckSpWp]: Trace formula consists of 1127 conjuncts, 83 conjuncts are in the unsatisfiable core [2025-01-24 03:44:38,107 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:44:45,447 INFO L134 CoverageAnalysis]: Checked inductivity of 10991 backedges. 6479 proven. 853 refuted. 0 times theorem prover too weak. 3659 trivial. 0 not checked. [2025-01-24 03:44:45,447 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 03:44:54,198 INFO L134 CoverageAnalysis]: Checked inductivity of 10991 backedges. 6591 proven. 741 refuted. 0 times theorem prover too weak. 3659 trivial. 0 not checked. [2025-01-24 03:44:54,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1658630985] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 03:44:54,198 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 03:44:54,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [199, 81, 81] total 357 [2025-01-24 03:44:54,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019243663] [2025-01-24 03:44:54,199 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 03:44:54,199 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 358 states [2025-01-24 03:44:54,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 03:44:54,203 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 358 interpolants. [2025-01-24 03:44:54,210 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19223, Invalid=108583, Unknown=0, NotChecked=0, Total=127806 [2025-01-24 03:44:54,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:44:54,211 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:44:54,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 358 states, 358 states have (on average 2.7290502793296088) internal successors, (977), 357 states have internal predecessors, (977), 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 03:44:54,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-24 03:44:54,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:44:54,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:44:54,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 03:44:54,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:44:54,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2025-01-24 03:44:54,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-24 03:44:54,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 03:44:54,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-24 03:44:54,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-01-24 03:44:54,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:44:54,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2025-01-24 03:44:54,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-01-24 03:44:54,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 158 states. [2025-01-24 03:44:54,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-01-24 03:44:54,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-24 03:44:54,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-01-24 03:44:54,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 225 states. [2025-01-24 03:44:54,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2025-01-24 03:44:54,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 374 states. [2025-01-24 03:44:54,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:44:54,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-24 03:44:54,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:44:54,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:44:54,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 03:44:54,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:44:54,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2025-01-24 03:44:54,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-24 03:44:54,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 03:44:54,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-24 03:44:54,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-24 03:44:54,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:44:54,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2025-01-24 03:44:54,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-01-24 03:44:54,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2025-01-24 03:44:54,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-24 03:44:54,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-24 03:44:54,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-24 03:44:54,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 225 states. [2025-01-24 03:44:54,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-01-24 03:44:54,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 374 states. [2025-01-24 03:44:54,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-01-24 03:44:54,619 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2025-01-24 03:44:54,809 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,21 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:44:54,810 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 03:44:54,810 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:44:54,810 INFO L139 ounterexampleChecker]: Examining path program with hash 486160861, occurence #4 [2025-01-24 03:44:54,810 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 03:44:54,810 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 03:44:54,810 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:44:54,810 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2025-01-24 03:44:54,810 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:44:54,810 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 44 [2025-01-24 03:44:54,810 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:44:54,810 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 47 [2025-01-24 03:44:54,810 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:44:54,811 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 492 [2025-01-24 03:44:54,811 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:44:54,811 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 495 [2025-01-24 03:44:54,811 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:44:54,811 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 498 [2025-01-24 03:44:54,811 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:44:54,811 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 501 [2025-01-24 03:44:54,811 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:44:54,811 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 504 [2025-01-24 03:44:54,811 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:44:54,811 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 507 [2025-01-24 03:44:54,811 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:44:54,811 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 510 [2025-01-24 03:44:54,811 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:44:54,811 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 513 [2025-01-24 03:44:54,811 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:44:54,811 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 516 [2025-01-24 03:44:54,811 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:44:54,811 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 519 [2025-01-24 03:44:54,811 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:44:54,811 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 521 [2025-01-24 03:44:54,811 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:44:54,811 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 03:44:54,812 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:44:54,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:44:54,812 INFO L85 PathProgramCache]: Analyzing trace with hash -269368517, now seen corresponding path program 20 times [2025-01-24 03:44:54,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 03:44:54,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488147269] [2025-01-24 03:44:54,812 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-24 03:44:54,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 03:44:54,837 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 526 statements into 2 equivalence classes. [2025-01-24 03:44:54,911 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 526 of 526 statements. [2025-01-24 03:44:54,911 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-24 03:44:54,911 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:45:13,154 INFO L134 CoverageAnalysis]: Checked inductivity of 11030 backedges. 9552 proven. 1478 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 03:45:13,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 03:45:13,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488147269] [2025-01-24 03:45:13,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [488147269] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 03:45:13,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1534243448] [2025-01-24 03:45:13,155 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-24 03:45:13,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:45:13,155 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:45:13,157 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 03:45:13,159 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 03:45:13,354 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 526 statements into 2 equivalence classes. [2025-01-24 03:45:13,498 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 526 of 526 statements. [2025-01-24 03:45:13,498 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-24 03:45:13,499 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:45:13,506 INFO L256 TraceCheckSpWp]: Trace formula consists of 1136 conjuncts, 85 conjuncts are in the unsatisfiable core [2025-01-24 03:45:13,514 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:45:21,179 INFO L134 CoverageAnalysis]: Checked inductivity of 11030 backedges. 6618 proven. 837 refuted. 0 times theorem prover too weak. 3575 trivial. 0 not checked. [2025-01-24 03:45:21,180 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 03:45:30,233 INFO L134 CoverageAnalysis]: Checked inductivity of 11030 backedges. 6675 proven. 780 refuted. 0 times theorem prover too weak. 3575 trivial. 0 not checked. [2025-01-24 03:45:30,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1534243448] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 03:45:30,233 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 03:45:30,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [200, 83, 83] total 362 [2025-01-24 03:45:30,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175232089] [2025-01-24 03:45:30,234 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 03:45:30,234 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 363 states [2025-01-24 03:45:30,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 03:45:30,239 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 363 interpolants. [2025-01-24 03:45:30,249 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19714, Invalid=111692, Unknown=0, NotChecked=0, Total=131406 [2025-01-24 03:45:30,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:45:30,250 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:45:30,251 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 363 states, 363 states have (on average 2.716253443526171) internal successors, (986), 362 states have internal predecessors, (986), 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 03:45:30,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-24 03:45:30,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:45:30,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:45:30,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 03:45:30,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:45:30,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2025-01-24 03:45:30,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-24 03:45:30,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 03:45:30,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-24 03:45:30,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-01-24 03:45:30,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:45:30,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2025-01-24 03:45:30,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-01-24 03:45:30,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 158 states. [2025-01-24 03:45:30,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-01-24 03:45:30,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-24 03:45:30,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-01-24 03:45:30,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 225 states. [2025-01-24 03:45:30,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2025-01-24 03:45:30,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 374 states. [2025-01-24 03:45:30,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2025-01-24 03:45:30,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:45:30,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-24 03:45:30,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:45:30,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:45:30,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 03:45:30,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:45:30,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2025-01-24 03:45:30,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-24 03:45:30,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 03:45:30,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-24 03:45:30,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-24 03:45:30,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-24 03:45:30,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2025-01-24 03:45:30,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-01-24 03:45:30,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2025-01-24 03:45:30,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-24 03:45:30,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-24 03:45:30,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-24 03:45:30,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 225 states. [2025-01-24 03:45:30,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-01-24 03:45:30,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 374 states. [2025-01-24 03:45:30,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-01-24 03:45:30,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-01-24 03:45:30,713 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 03:45:30,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2025-01-24 03:45:30,906 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 03:45:30,906 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:45:30,906 INFO L139 ounterexampleChecker]: Examining path program with hash 486160861, occurence #5 [2025-01-24 03:45:30,906 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 03:45:30,906 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 03:45:30,906 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:45:30,906 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42 [2025-01-24 03:45:30,906 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:45:30,906 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2025-01-24 03:45:30,906 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:45:30,906 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-01-24 03:45:30,906 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:45:30,907 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 493 [2025-01-24 03:45:30,907 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:45:30,907 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 496 [2025-01-24 03:45:30,907 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:45:30,907 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 499 [2025-01-24 03:45:30,907 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:45:30,907 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 502 [2025-01-24 03:45:30,907 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:45:30,907 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 505 [2025-01-24 03:45:30,907 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:45:30,907 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 508 [2025-01-24 03:45:30,907 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:45:30,907 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 511 [2025-01-24 03:45:30,907 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:45:30,907 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 514 [2025-01-24 03:45:30,907 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:45:30,907 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 517 [2025-01-24 03:45:30,907 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:45:30,907 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 520 [2025-01-24 03:45:30,907 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:45:30,907 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 522 [2025-01-24 03:45:30,907 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:45:30,907 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 03:45:30,907 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:45:30,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:45:30,908 INFO L85 PathProgramCache]: Analyzing trace with hash 1233964507, now seen corresponding path program 21 times [2025-01-24 03:45:30,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 03:45:30,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097823721] [2025-01-24 03:45:30,908 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-24 03:45:30,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 03:45:30,934 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 527 statements into 48 equivalence classes. Killed by 15