./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c --full-output --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1f73d82f Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../sv-benchmarks/c/weaver/popl20-bad-counter-queue2.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 14a9c1cac7f040ebf84fc8e1c821294cab75b8332a1643f6e05ef67dfff453ec --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT --- Real Ultimate output --- This is Ultimate 0.3.0-dev-1f73d82-m [2024-11-21 15:42:25,099 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-21 15:42:25,212 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-11-21 15:42:25,217 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-21 15:42:25,218 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-21 15:42:25,244 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-21 15:42:25,245 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-21 15:42:25,245 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-21 15:42:25,246 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-21 15:42:25,247 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-21 15:42:25,247 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-21 15:42:25,247 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-21 15:42:25,248 INFO L153 SettingsManager]: * Use SBE=true [2024-11-21 15:42:25,248 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-21 15:42:25,248 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-21 15:42:25,249 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-21 15:42:25,249 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-21 15:42:25,249 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-21 15:42:25,249 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-21 15:42:25,249 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-21 15:42:25,249 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-21 15:42:25,249 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-21 15:42:25,249 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-21 15:42:25,250 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-21 15:42:25,250 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-21 15:42:25,250 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-21 15:42:25,250 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-21 15:42:25,250 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-21 15:42:25,250 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-21 15:42:25,250 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-21 15:42:25,251 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-21 15:42:25,251 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-21 15:42:25,251 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-21 15:42:25,251 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-21 15:42:25,251 INFO L153 SettingsManager]: * Commutativity condition synthesis=SUFFICIENT [2024-11-21 15:42:25,251 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-21 15:42:25,251 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-21 15:42:25,252 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-11-21 15:42:25,252 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-21 15:42:25,252 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-21 15:42:25,252 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-21 15:42:25,252 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-21 15:42:25,252 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-21 15:42:25,252 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 -> 14a9c1cac7f040ebf84fc8e1c821294cab75b8332a1643f6e05ef67dfff453ec Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NECESSARY_AND_SUFFICIENT [2024-11-21 15:42:25,542 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-21 15:42:25,549 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-21 15:42:25,551 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-21 15:42:25,552 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-21 15:42:25,552 INFO L274 PluginConnector]: CDTParser initialized [2024-11-21 15:42:25,553 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c [2024-11-21 15:42:26,853 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/6a2a337ed/398d793464db4c66a4537eee22a2ffd3/FLAGe57a9522b [2024-11-21 15:42:27,103 INFO L384 CDTParser]: Found 1 translation units. [2024-11-21 15:42:27,104 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c [2024-11-21 15:42:27,111 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/6a2a337ed/398d793464db4c66a4537eee22a2ffd3/FLAGe57a9522b [2024-11-21 15:42:27,130 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/6a2a337ed/398d793464db4c66a4537eee22a2ffd3 [2024-11-21 15:42:27,133 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-21 15:42:27,135 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-21 15:42:27,136 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-21 15:42:27,137 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-21 15:42:27,140 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-21 15:42:27,141 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 03:42:27" (1/1) ... [2024-11-21 15:42:27,142 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57149c69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:42:27, skipping insertion in model container [2024-11-21 15:42:27,142 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 03:42:27" (1/1) ... [2024-11-21 15:42:27,159 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-21 15:42:27,315 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c[2297,2310] [2024-11-21 15:42:27,329 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 15:42:27,339 INFO L200 MainTranslator]: Completed pre-run [2024-11-21 15:42:27,362 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c[2297,2310] [2024-11-21 15:42:27,371 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 15:42:27,386 INFO L204 MainTranslator]: Completed translation [2024-11-21 15:42:27,386 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:42:27 WrapperNode [2024-11-21 15:42:27,387 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-21 15:42:27,389 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-21 15:42:27,389 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-21 15:42:27,389 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-21 15:42:27,395 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:42:27" (1/1) ... [2024-11-21 15:42:27,405 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:42:27" (1/1) ... [2024-11-21 15:42:27,429 INFO L138 Inliner]: procedures = 25, calls = 26, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 129 [2024-11-21 15:42:27,430 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-21 15:42:27,430 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-21 15:42:27,430 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-21 15:42:27,430 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-21 15:42:27,438 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:42:27" (1/1) ... [2024-11-21 15:42:27,438 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:42:27" (1/1) ... [2024-11-21 15:42:27,442 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:42:27" (1/1) ... [2024-11-21 15:42:27,442 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:42:27" (1/1) ... [2024-11-21 15:42:27,448 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:42:27" (1/1) ... [2024-11-21 15:42:27,455 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:42:27" (1/1) ... [2024-11-21 15:42:27,462 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:42:27" (1/1) ... [2024-11-21 15:42:27,464 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:42:27" (1/1) ... [2024-11-21 15:42:27,464 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:42:27" (1/1) ... [2024-11-21 15:42:27,466 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-21 15:42:27,470 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-21 15:42:27,470 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-21 15:42:27,470 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-21 15:42:27,471 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:42:27" (1/1) ... [2024-11-21 15:42:27,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-21 15:42:27,494 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:42:27,505 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-21 15:42:27,508 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-21 15:42:27,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-21 15:42:27,532 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-21 15:42:27,532 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-21 15:42:27,532 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-21 15:42:27,532 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-21 15:42:27,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-21 15:42:27,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-21 15:42:27,532 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-21 15:42:27,532 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-21 15:42:27,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-21 15:42:27,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-21 15:42:27,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-21 15:42:27,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-21 15:42:27,534 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-21 15:42:27,638 INFO L234 CfgBuilder]: Building ICFG [2024-11-21 15:42:27,639 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-21 15:42:27,872 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-21 15:42:27,872 INFO L283 CfgBuilder]: Performing block encoding [2024-11-21 15:42:28,098 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-21 15:42:28,098 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-21 15:42:28,098 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 03:42:28 BoogieIcfgContainer [2024-11-21 15:42:28,099 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-21 15:42:28,101 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-21 15:42:28,101 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-21 15:42:28,108 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-21 15:42:28,109 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 03:42:27" (1/3) ... [2024-11-21 15:42:28,109 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cad3855 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 03:42:28, skipping insertion in model container [2024-11-21 15:42:28,109 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:42:27" (2/3) ... [2024-11-21 15:42:28,110 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cad3855 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 03:42:28, skipping insertion in model container [2024-11-21 15:42:28,110 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 03:42:28" (3/3) ... [2024-11-21 15:42:28,111 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-bad-counter-queue2.wvr.c [2024-11-21 15:42:28,122 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-21 15:42:28,125 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-bad-counter-queue2.wvr.c that has 3 procedures, 22 locations, 1 initial locations, 3 loop locations, and 1 error locations. [2024-11-21 15:42:28,125 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-21 15:42:28,172 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-21 15:42:28,217 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 15:42:28,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-21 15:42:28,218 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:42:28,221 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-21 15:42:28,222 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-21 15:42:28,304 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-21 15:42:28,319 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-21 15:42:28,325 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;@1b959cf0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 15:42:28,326 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-21 15:42:28,630 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 15:42:28,630 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:42:28,630 INFO L139 ounterexampleChecker]: Examining path program with hash -1064160937, occurence #1 [2024-11-21 15:42:28,630 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 15:42:28,630 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:42:28,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:42:28,635 INFO L85 PathProgramCache]: Analyzing trace with hash 897563434, now seen corresponding path program 1 times [2024-11-21 15:42:28,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:42:28,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470749539] [2024-11-21 15:42:28,645 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:42:28,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:42:28,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:42:29,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:42:29,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:42:29,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470749539] [2024-11-21 15:42:29,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470749539] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 15:42:29,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 15:42:29,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-21 15:42:29,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926697271] [2024-11-21 15:42:29,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 15:42:29,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-21 15:42:29,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:42:29,047 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-21 15:42:29,047 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-21 15:42:29,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:42:29,049 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:42:29,052 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:42:29,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:42:29,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:42:29,126 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-21 15:42:29,126 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 15:42:29,126 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:42:29,126 INFO L139 ounterexampleChecker]: Examining path program with hash -1064160937, occurence #2 [2024-11-21 15:42:29,126 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:42:29,126 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:42:29,127 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:42:29,127 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2024-11-21 15:42:29,142 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:42:29,143 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-11-21 15:42:29,143 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:42:29,143 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-11-21 15:42:29,143 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:42:29,144 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:42:29,144 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:42:29,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:42:29,145 INFO L85 PathProgramCache]: Analyzing trace with hash 869066877, now seen corresponding path program 1 times [2024-11-21 15:42:29,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:42:29,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867711062] [2024-11-21 15:42:29,146 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:42:29,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:42:29,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:42:29,357 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:42:29,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:42:29,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867711062] [2024-11-21 15:42:29,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867711062] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:42:29,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [290134826] [2024-11-21 15:42:29,358 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:42:29,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:42:29,359 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:42:29,403 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:42:29,405 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-21 15:42:29,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:42:29,487 INFO L256 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-21 15:42:29,490 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:42:29,565 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:42:29,566 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:42:29,618 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:42:29,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [290134826] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-21 15:42:29,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:42:29,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4, 4] total 8 [2024-11-21 15:42:29,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529595411] [2024-11-21 15:42:29,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 15:42:29,620 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-21 15:42:29,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:42:29,622 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-21 15:42:29,622 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-21 15:42:29,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:42:29,623 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:42:29,623 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:42:29,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:42:29,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:42:29,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:42:29,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:42:29,717 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-21 15:42:29,903 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:42:29,904 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 15:42:29,904 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:42:29,904 INFO L139 ounterexampleChecker]: Examining path program with hash -34102739, occurence #1 [2024-11-21 15:42:29,904 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 15:42:29,904 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:42:29,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:42:29,905 INFO L85 PathProgramCache]: Analyzing trace with hash 481900920, now seen corresponding path program 1 times [2024-11-21 15:42:29,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:42:29,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840760144] [2024-11-21 15:42:29,905 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:42:29,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:42:29,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:42:30,140 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:42:30,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:42:30,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840760144] [2024-11-21 15:42:30,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840760144] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:42:30,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1234746171] [2024-11-21 15:42:30,140 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:42:30,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:42:30,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:42:30,145 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:42:30,146 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-21 15:42:30,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:42:30,235 INFO L256 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-21 15:42:30,236 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:42:30,347 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:42:30,347 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:42:30,423 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:42:30,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1234746171] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:42:30,424 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:42:30,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2024-11-21 15:42:30,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631437305] [2024-11-21 15:42:30,424 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:42:30,425 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-21 15:42:30,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:42:30,426 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-21 15:42:30,427 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2024-11-21 15:42:30,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:42:30,427 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:42:30,428 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.5714285714285716) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:42:30,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:42:30,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:42:30,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:42:30,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:42:30,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:42:30,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:42:30,559 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 [2024-11-21 15:42:30,746 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:42:30,747 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 15:42:30,747 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:42:30,748 INFO L139 ounterexampleChecker]: Examining path program with hash -34102739, occurence #2 [2024-11-21 15:42:30,748 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:42:30,748 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:42:30,748 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:42:30,748 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-11-21 15:42:30,748 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:42:30,748 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-11-21 15:42:30,748 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:42:30,748 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-11-21 15:42:30,748 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:42:30,748 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:42:30,748 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:42:30,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:42:30,749 INFO L85 PathProgramCache]: Analyzing trace with hash 548468933, now seen corresponding path program 2 times [2024-11-21 15:42:30,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:42:30,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583479204] [2024-11-21 15:42:30,749 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:42:30,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:42:30,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:42:30,923 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:42:30,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:42:30,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583479204] [2024-11-21 15:42:30,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583479204] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:42:30,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1636167589] [2024-11-21 15:42:30,924 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 15:42:30,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:42:30,924 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:42:30,926 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:42:30,928 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-21 15:42:31,017 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-21 15:42:31,017 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:42:31,019 INFO L256 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-21 15:42:31,021 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:42:31,119 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:42:31,119 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:42:31,198 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:42:31,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1636167589] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:42:31,198 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:42:31,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2024-11-21 15:42:31,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972803589] [2024-11-21 15:42:31,199 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:42:31,199 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-21 15:42:31,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:42:31,200 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-21 15:42:31,200 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2024-11-21 15:42:31,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:42:31,200 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:42:31,200 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.642857142857143) internal successors, (51), 13 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:42:31,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:42:31,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:42:31,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:42:31,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:42:31,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:42:31,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:42:31,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:42:31,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:42:31,438 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 [2024-11-21 15:42:31,622 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:42:31,623 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 15:42:31,623 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:42:31,623 INFO L139 ounterexampleChecker]: Examining path program with hash -34102739, occurence #3 [2024-11-21 15:42:31,623 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:42:31,623 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:42:31,623 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:42:31,623 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-11-21 15:42:31,624 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:42:31,624 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-11-21 15:42:31,624 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:42:31,624 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2024-11-21 15:42:31,624 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:42:31,624 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:42:31,624 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:42:31,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:42:31,625 INFO L85 PathProgramCache]: Analyzing trace with hash 319943616, now seen corresponding path program 3 times [2024-11-21 15:42:31,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:42:31,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518850831] [2024-11-21 15:42:31,625 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:42:31,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:42:31,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:42:31,838 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:42:31,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:42:31,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518850831] [2024-11-21 15:42:31,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518850831] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:42:31,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [867521788] [2024-11-21 15:42:31,839 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-21 15:42:31,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:42:31,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:42:31,842 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:42:31,844 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-21 15:42:31,917 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-21 15:42:31,918 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:42:31,919 INFO L256 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-21 15:42:31,920 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:42:32,045 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:42:32,046 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:42:32,160 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:42:32,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [867521788] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:42:32,162 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:42:32,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 18 [2024-11-21 15:42:32,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879476269] [2024-11-21 15:42:32,162 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:42:32,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-21 15:42:32,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:42:32,163 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-21 15:42:32,163 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=245, Unknown=0, NotChecked=0, Total=342 [2024-11-21 15:42:32,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:42:32,164 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:42:32,164 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.4210526315789473) internal successors, (65), 18 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:42:32,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:42:32,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:42:32,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:42:32,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:42:32,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:42:32,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:42:32,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:42:32,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:42:32,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:42:32,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:42:32,278 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-21 15:42:32,467 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:42:32,467 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 15:42:32,467 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:42:32,468 INFO L139 ounterexampleChecker]: Examining path program with hash -34102739, occurence #4 [2024-11-21 15:42:32,468 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:42:32,468 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:42:32,468 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:42:32,468 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2024-11-21 15:42:32,468 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:42:32,468 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-11-21 15:42:32,468 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:42:32,468 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-21 15:42:32,469 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:42:32,469 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:42:32,469 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:42:32,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:42:32,469 INFO L85 PathProgramCache]: Analyzing trace with hash 980407251, now seen corresponding path program 4 times [2024-11-21 15:42:32,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:42:32,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051088396] [2024-11-21 15:42:32,469 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:42:32,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:42:32,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:42:32,639 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:42:32,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:42:32,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051088396] [2024-11-21 15:42:32,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051088396] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:42:32,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1758112657] [2024-11-21 15:42:32,640 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-21 15:42:32,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:42:32,640 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:42:32,642 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:42:32,644 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-21 15:42:32,704 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-21 15:42:32,704 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:42:32,705 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-21 15:42:32,706 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:42:32,849 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-21 15:42:32,850 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:42:32,916 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-21 15:42:32,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1758112657] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:42:32,916 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:42:32,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 6] total 18 [2024-11-21 15:42:32,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283607273] [2024-11-21 15:42:32,917 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:42:32,917 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-21 15:42:32,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:42:32,918 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-21 15:42:32,918 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2024-11-21 15:42:32,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:42:32,918 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:42:32,918 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.6666666666666665) internal successors, (66), 18 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:42:32,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:42:32,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:42:32,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:42:32,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:42:32,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:42:32,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:42:33,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:42:33,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:42:33,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:42:33,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:42:33,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:42:33,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-21 15:42:33,598 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-21 15:42:33,787 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-21 15:42:33,788 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 15:42:33,788 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:42:33,788 INFO L139 ounterexampleChecker]: Examining path program with hash 1112994618, occurence #1 [2024-11-21 15:42:33,788 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 15:42:33,788 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:42:33,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:42:33,788 INFO L85 PathProgramCache]: Analyzing trace with hash -876790656, now seen corresponding path program 5 times [2024-11-21 15:42:33,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:42:33,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453492071] [2024-11-21 15:42:33,788 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:42:33,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:42:33,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:42:34,277 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 20 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:42:34,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:42:34,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453492071] [2024-11-21 15:42:34,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453492071] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:42:34,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [408210205] [2024-11-21 15:42:34,277 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-21 15:42:34,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:42:34,277 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:42:34,279 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:42:34,281 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-21 15:42:34,376 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2024-11-21 15:42:34,376 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:42:34,378 INFO L256 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-21 15:42:34,380 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:42:34,615 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 43 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:42:34,616 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:42:34,840 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 43 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:42:34,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [408210205] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:42:34,840 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:42:34,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 11, 11] total 36 [2024-11-21 15:42:34,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159244198] [2024-11-21 15:42:34,841 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:42:34,841 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-11-21 15:42:34,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:42:34,842 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-11-21 15:42:34,843 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=238, Invalid=1094, Unknown=0, NotChecked=0, Total=1332 [2024-11-21 15:42:34,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:42:34,843 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:42:34,843 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 3.1621621621621623) internal successors, (117), 36 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:42:34,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:42:34,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:42:34,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:42:34,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:42:34,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:42:34,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-21 15:42:34,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:42:35,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:42:35,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:42:35,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:42:35,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:42:35,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:42:35,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-21 15:42:35,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:42:35,043 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-21 15:42:35,224 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:42:35,225 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 15:42:35,225 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:42:35,225 INFO L139 ounterexampleChecker]: Examining path program with hash 1112994618, occurence #2 [2024-11-21 15:42:35,225 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:42:35,225 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:42:35,225 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:42:35,225 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-11-21 15:42:35,225 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:42:35,225 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2024-11-21 15:42:35,225 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:42:35,225 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-21 15:42:35,225 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:42:35,226 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2024-11-21 15:42:35,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:42:35,259 INFO L85 PathProgramCache]: Analyzing trace with hash -422608305, now seen corresponding path program 1 times [2024-11-21 15:42:35,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:42:35,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554163981] [2024-11-21 15:42:35,259 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:42:35,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:42:35,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 15:42:35,334 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-21 15:42:35,334 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-21 15:42:35,334 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2024-11-21 15:42:35,334 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:42:35,334 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:42:35,334 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:42:35,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:42:35,335 INFO L85 PathProgramCache]: Analyzing trace with hash 1390968544, now seen corresponding path program 6 times [2024-11-21 15:42:35,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:42:35,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115450982] [2024-11-21 15:42:35,335 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:42:35,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:42:35,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:42:38,922 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 1 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:42:38,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:42:38,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115450982] [2024-11-21 15:42:38,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115450982] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:42:38,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [682190954] [2024-11-21 15:42:38,923 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-21 15:42:38,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:42:38,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:42:38,925 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:42:38,927 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-21 15:42:39,027 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2024-11-21 15:42:39,028 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:42:39,030 INFO L256 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 90 conjuncts are in the unsatisfiable core [2024-11-21 15:42:39,034 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:42:39,241 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-21 15:42:40,283 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:42:40,283 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:42:41,891 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:42:41,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [682190954] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:42:41,891 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:42:41,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 29, 29] total 84 [2024-11-21 15:42:41,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991828615] [2024-11-21 15:42:41,891 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:42:41,892 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2024-11-21 15:42:41,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:42:41,893 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2024-11-21 15:42:41,896 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=666, Invalid=6474, Unknown=0, NotChecked=0, Total=7140 [2024-11-21 15:42:41,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:42:41,896 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:42:41,897 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 85 states have (on average 1.588235294117647) internal successors, (135), 84 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:42:41,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:42:41,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:42:41,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:42:41,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:42:41,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:42:41,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-21 15:42:41,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:42:41,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:42:44,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:42:44,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:42:44,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:42:44,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:42:44,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:42:44,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-21 15:42:44,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:42:44,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-21 15:42:44,698 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-21 15:42:44,886 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:42:44,886 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 15:42:44,886 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:42:44,887 INFO L139 ounterexampleChecker]: Examining path program with hash 1112994618, occurence #3 [2024-11-21 15:42:44,887 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:42:44,887 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:42:44,887 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:42:44,887 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-11-21 15:42:44,887 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:42:44,887 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-21 15:42:44,887 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:42:44,887 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2024-11-21 15:42:44,887 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:42:44,887 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2024-11-21 15:42:44,915 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:42:44,915 INFO L85 PathProgramCache]: Analyzing trace with hash -1959491698, now seen corresponding path program 1 times [2024-11-21 15:42:44,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:42:44,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328353553] [2024-11-21 15:42:44,916 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:42:44,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:42:44,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 15:42:44,952 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-21 15:42:44,955 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-21 15:42:44,955 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2024-11-21 15:42:44,955 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:42:44,955 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:42:44,955 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:42:44,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:42:44,956 INFO L85 PathProgramCache]: Analyzing trace with hash 1133998104, now seen corresponding path program 7 times [2024-11-21 15:42:44,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:42:44,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751207672] [2024-11-21 15:42:44,956 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:42:44,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:42:45,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:42:48,861 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 3 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:42:48,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:42:48,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751207672] [2024-11-21 15:42:48,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751207672] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:42:48,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [46986646] [2024-11-21 15:42:48,862 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-21 15:42:48,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:42:48,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:42:48,864 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:42:48,864 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-21 15:42:48,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:42:48,960 INFO L256 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 75 conjuncts are in the unsatisfiable core [2024-11-21 15:42:48,963 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:42:49,799 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-21 15:42:49,800 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:42:51,344 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 15:42:51,344 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 122 treesize of output 365 [2024-11-21 15:42:53,485 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-21 15:42:53,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [46986646] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:42:53,486 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:42:53,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 25, 25] total 80 [2024-11-21 15:42:53,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213638703] [2024-11-21 15:42:53,486 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:42:53,487 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 81 states [2024-11-21 15:42:53,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:42:53,488 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2024-11-21 15:42:53,490 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=515, Invalid=5965, Unknown=0, NotChecked=0, Total=6480 [2024-11-21 15:42:53,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:42:53,491 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:42:53,491 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 81 states, 81 states have (on average 1.7160493827160495) internal successors, (139), 80 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:42:53,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:42:53,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:42:53,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:42:53,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:42:53,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:42:53,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-21 15:42:53,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:42:53,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-11-21 15:42:53,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:42:57,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:42:57,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:42:57,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:42:57,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:42:57,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:42:57,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-21 15:42:57,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:42:57,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-21 15:42:57,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-11-21 15:42:57,808 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-21 15:42:57,997 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,SelfDestructingSolverStorable9,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:42:57,997 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 15:42:57,997 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:42:57,997 INFO L139 ounterexampleChecker]: Examining path program with hash 1112994618, occurence #4 [2024-11-21 15:42:57,997 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:42:57,997 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:42:57,997 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:42:57,997 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-11-21 15:42:57,998 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:42:57,998 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-21 15:42:57,998 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:42:57,998 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2024-11-21 15:42:57,998 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:42:57,998 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-11-21 15:42:58,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:42:58,020 INFO L85 PathProgramCache]: Analyzing trace with hash 1005348942, now seen corresponding path program 1 times [2024-11-21 15:42:58,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:42:58,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037829030] [2024-11-21 15:42:58,020 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:42:58,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:42:58,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:42:58,824 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 177 proven. 79 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:42:58,825 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:42:58,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037829030] [2024-11-21 15:42:58,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037829030] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:42:58,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [2015207370] [2024-11-21 15:42:58,825 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:42:58,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:42:58,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:42:58,853 INFO L256 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-21 15:42:58,856 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:42:59,938 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 234 proven. 21 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 15:42:59,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [2015207370] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:42:59,938 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:42:59,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 29] total 58 [2024-11-21 15:42:59,939 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:42:59,939 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 82 [2024-11-21 15:42:59,939 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:42:59,939 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:42:59,939 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:42:59,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:42:59,939 INFO L85 PathProgramCache]: Analyzing trace with hash -1674640559, now seen corresponding path program 8 times [2024-11-21 15:42:59,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:42:59,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95841603] [2024-11-21 15:42:59,939 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:42:59,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:42:59,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:43:00,784 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 212 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:43:00,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:43:00,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95841603] [2024-11-21 15:43:00,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95841603] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:43:00,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1779967321] [2024-11-21 15:43:00,785 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 15:43:00,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:43:00,785 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:43:00,787 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:43:00,789 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-21 15:43:00,913 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-21 15:43:00,913 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:43:00,915 INFO L256 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-21 15:43:00,918 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:43:01,292 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 244 proven. 21 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-21 15:43:01,292 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:43:01,703 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 244 proven. 21 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-21 15:43:01,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1779967321] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:43:01,704 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:43:01,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 16, 16] total 60 [2024-11-21 15:43:01,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493846784] [2024-11-21 15:43:01,704 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:43:01,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2024-11-21 15:43:01,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:43:01,706 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2024-11-21 15:43:01,707 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=594, Invalid=3066, Unknown=0, NotChecked=0, Total=3660 [2024-11-21 15:43:01,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:43:01,707 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:43:01,707 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 61 states have (on average 3.1147540983606556) internal successors, (190), 60 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:43:01,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:01,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:43:01,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:43:01,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:43:01,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:43:01,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-21 15:43:01,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:43:01,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-11-21 15:43:01,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-11-21 15:43:01,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:43:01,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:01,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:43:01,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:43:01,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:43:01,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:43:01,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-21 15:43:01,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:43:01,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-21 15:43:01,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-11-21 15:43:01,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 15:43:01,892 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-21 15:43:02,076 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,11 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12,SelfDestructingSolverStorable13 [2024-11-21 15:43:02,076 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 15:43:02,076 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:43:02,076 INFO L139 ounterexampleChecker]: Examining path program with hash 1112994618, occurence #5 [2024-11-21 15:43:02,076 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:43:02,076 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:43:02,076 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:02,076 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-11-21 15:43:02,077 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:43:02,077 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-11-21 15:43:02,077 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:43:02,077 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 72 [2024-11-21 15:43:02,077 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:02,077 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2024-11-21 15:43:02,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:43:02,107 INFO L85 PathProgramCache]: Analyzing trace with hash 1345215070, now seen corresponding path program 1 times [2024-11-21 15:43:02,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:43:02,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683247341] [2024-11-21 15:43:02,107 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:43:02,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:43:02,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:43:02,908 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 177 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:43:02,908 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:43:02,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683247341] [2024-11-21 15:43:02,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683247341] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:43:02,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1903385878] [2024-11-21 15:43:02,909 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:43:02,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:43:02,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:43:02,937 INFO L256 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-21 15:43:02,939 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:43:03,945 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 234 proven. 28 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 15:43:03,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1903385878] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:43:03,945 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:43:03,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 30] total 60 [2024-11-21 15:43:03,945 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:43:03,945 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 83 [2024-11-21 15:43:03,945 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:43:03,945 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:43:03,945 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:43:03,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:43:03,946 INFO L85 PathProgramCache]: Analyzing trace with hash 1337805278, now seen corresponding path program 9 times [2024-11-21 15:43:03,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:43:03,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816323345] [2024-11-21 15:43:03,946 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:43:03,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:43:03,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:43:04,703 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 212 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:43:04,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:43:04,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816323345] [2024-11-21 15:43:04,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816323345] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:43:04,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [597728071] [2024-11-21 15:43:04,703 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-21 15:43:04,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:43:04,703 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:43:04,705 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:43:04,706 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-21 15:43:04,853 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-21 15:43:04,854 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:43:04,855 INFO L256 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-21 15:43:04,857 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:43:05,324 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 281 proven. 28 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-21 15:43:05,325 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:43:05,798 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 281 proven. 28 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-21 15:43:05,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [597728071] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:43:05,799 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:43:05,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 20, 20] total 70 [2024-11-21 15:43:05,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900724558] [2024-11-21 15:43:05,799 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:43:05,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 71 states [2024-11-21 15:43:05,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:43:05,800 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2024-11-21 15:43:05,802 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=822, Invalid=4148, Unknown=0, NotChecked=0, Total=4970 [2024-11-21 15:43:05,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:43:05,802 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:43:05,803 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 71 states, 71 states have (on average 3.267605633802817) internal successors, (232), 70 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:43:05,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:05,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:43:05,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:43:05,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:43:05,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:43:05,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-21 15:43:05,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:43:05,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-11-21 15:43:05,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-11-21 15:43:05,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 15:43:05,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:43:05,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:05,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:43:05,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:43:05,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:43:05,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:43:05,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-21 15:43:05,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:43:05,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-21 15:43:05,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-11-21 15:43:05,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 15:43:05,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 15:43:05,974 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-21 15:43:06,158 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,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15,SelfDestructingSolverStorable16 [2024-11-21 15:43:06,158 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 15:43:06,158 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:43:06,158 INFO L139 ounterexampleChecker]: Examining path program with hash 1112994618, occurence #6 [2024-11-21 15:43:06,158 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:43:06,159 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:43:06,159 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:06,159 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-11-21 15:43:06,159 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:43:06,159 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-11-21 15:43:06,159 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:43:06,159 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-11-21 15:43:06,159 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:06,159 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2024-11-21 15:43:06,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:43:06,189 INFO L85 PathProgramCache]: Analyzing trace with hash 903807892, now seen corresponding path program 1 times [2024-11-21 15:43:06,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:43:06,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109555017] [2024-11-21 15:43:06,189 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:43:06,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:43:06,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:43:06,664 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 185 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:43:06,665 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:43:06,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109555017] [2024-11-21 15:43:06,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [109555017] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:43:06,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1242416155] [2024-11-21 15:43:06,665 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:43:06,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:43:06,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:43:06,691 INFO L256 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-21 15:43:06,693 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:43:07,208 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 235 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:43:07,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1242416155] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:43:07,208 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:43:07,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24] total 46 [2024-11-21 15:43:07,209 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:43:07,209 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 86 [2024-11-21 15:43:07,209 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:43:07,209 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:43:07,209 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:43:07,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:43:07,209 INFO L85 PathProgramCache]: Analyzing trace with hash 819117713, now seen corresponding path program 10 times [2024-11-21 15:43:07,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:43:07,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578271638] [2024-11-21 15:43:07,210 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:43:07,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:43:07,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:43:07,726 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 254 proven. 82 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-21 15:43:07,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:43:07,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578271638] [2024-11-21 15:43:07,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578271638] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:43:07,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1980093400] [2024-11-21 15:43:07,726 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-21 15:43:07,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:43:07,727 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:43:07,729 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:43:07,732 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-21 15:43:07,900 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-21 15:43:07,900 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:43:07,907 INFO L256 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-21 15:43:07,909 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:43:08,358 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 283 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:43:08,358 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:43:08,841 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 283 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:43:08,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1980093400] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:43:08,841 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:43:08,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 68 [2024-11-21 15:43:08,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456806431] [2024-11-21 15:43:08,841 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:43:08,842 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 69 states [2024-11-21 15:43:08,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:43:08,843 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2024-11-21 15:43:08,844 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=884, Invalid=3808, Unknown=0, NotChecked=0, Total=4692 [2024-11-21 15:43:08,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:43:08,844 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:43:08,844 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 69 states, 69 states have (on average 3.4347826086956523) internal successors, (237), 68 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:43:08,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:08,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:43:08,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:43:08,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:43:08,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:43:08,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-21 15:43:08,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:43:08,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-11-21 15:43:08,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-11-21 15:43:08,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 15:43:08,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 15:43:08,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:43:08,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:08,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:43:08,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:43:08,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:43:08,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:43:08,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-21 15:43:08,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:43:08,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-21 15:43:08,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-11-21 15:43:08,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 15:43:08,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 15:43:08,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 15:43:08,932 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-21 15:43:09,120 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,SelfDestructingSolverStorable19,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-21 15:43:09,121 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 15:43:09,121 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:43:09,121 INFO L139 ounterexampleChecker]: Examining path program with hash 1112994618, occurence #7 [2024-11-21 15:43:09,121 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:43:09,121 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:43:09,121 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:09,121 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-21 15:43:09,121 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:43:09,121 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-11-21 15:43:09,121 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:43:09,121 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 76 [2024-11-21 15:43:09,121 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:09,121 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 78 [2024-11-21 15:43:09,144 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:43:09,144 INFO L85 PathProgramCache]: Analyzing trace with hash -1802557660, now seen corresponding path program 1 times [2024-11-21 15:43:09,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:43:09,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743619251] [2024-11-21 15:43:09,145 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:43:09,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:43:09,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 15:43:09,221 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-21 15:43:09,222 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-21 15:43:09,222 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 87 [2024-11-21 15:43:09,222 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:43:09,222 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:43:09,222 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:43:09,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:43:09,222 INFO L85 PathProgramCache]: Analyzing trace with hash 1334900382, now seen corresponding path program 11 times [2024-11-21 15:43:09,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:43:09,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658322718] [2024-11-21 15:43:09,223 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:43:09,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:43:09,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:43:18,200 INFO L134 CoverageAnalysis]: Checked inductivity of 349 backedges. 12 proven. 337 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:43:18,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:43:18,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658322718] [2024-11-21 15:43:18,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658322718] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:43:18,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [498794499] [2024-11-21 15:43:18,201 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-21 15:43:18,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:43:18,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:43:18,203 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) [2024-11-21 15:43:18,204 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 [2024-11-21 15:43:18,344 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2024-11-21 15:43:18,344 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:43:18,347 INFO L256 TraceCheckSpWp]: Trace formula consists of 460 conjuncts, 135 conjuncts are in the unsatisfiable core [2024-11-21 15:43:18,349 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:43:20,580 INFO L134 CoverageAnalysis]: Checked inductivity of 349 backedges. 0 proven. 283 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-21 15:43:20,580 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:43:27,241 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 15:43:27,242 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 22 select indices, 22 select index equivalence classes, 0 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 231 case distinctions, treesize of input 222 treesize of output 1215 [2024-11-21 15:44:14,015 INFO L134 CoverageAnalysis]: Checked inductivity of 349 backedges. 0 proven. 283 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-21 15:44:14,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [498794499] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:44:14,015 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:44:14,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [60, 45, 45] total 145 [2024-11-21 15:44:14,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881861406] [2024-11-21 15:44:14,015 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:44:14,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 146 states [2024-11-21 15:44:14,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:44:14,017 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 146 interpolants. [2024-11-21 15:44:14,021 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1589, Invalid=19581, Unknown=0, NotChecked=0, Total=21170 [2024-11-21 15:44:14,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:44:14,021 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:44:14,021 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 146 states, 146 states have (on average 1.6027397260273972) internal successors, (234), 145 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:44:14,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:44:14,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:44:14,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:44:14,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:44:14,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:44:14,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-21 15:44:14,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:44:14,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-11-21 15:44:14,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-11-21 15:44:14,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 15:44:14,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 15:44:14,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 15:44:14,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:44:31,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:44:31,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:44:31,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:44:31,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:44:31,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:44:31,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-21 15:44:31,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:44:31,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-21 15:44:31,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-11-21 15:44:31,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 15:44:31,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 15:44:31,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 15:44:31,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2024-11-21 15:44:31,359 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-21 15:44:31,547 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,SelfDestructingSolverStorable21,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:44:31,547 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 15:44:31,547 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:44:31,548 INFO L139 ounterexampleChecker]: Examining path program with hash 1112994618, occurence #8 [2024-11-21 15:44:31,548 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:44:31,548 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:44:31,548 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:44:31,548 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-21 15:44:31,548 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:44:31,548 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-11-21 15:44:31,548 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:44:31,548 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 136 [2024-11-21 15:44:31,548 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:44:31,548 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 138 [2024-11-21 15:44:31,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:44:31,575 INFO L85 PathProgramCache]: Analyzing trace with hash 2087789021, now seen corresponding path program 1 times [2024-11-21 15:44:31,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:44:31,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320744504] [2024-11-21 15:44:31,576 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:44:31,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:44:31,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:44:33,350 INFO L134 CoverageAnalysis]: Checked inductivity of 1131 backedges. 937 proven. 194 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:44:33,350 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:44:33,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320744504] [2024-11-21 15:44:33,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1320744504] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:44:33,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1655117054] [2024-11-21 15:44:33,350 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:44:33,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:44:33,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:44:33,388 INFO L256 TraceCheckSpWp]: Trace formula consists of 632 conjuncts, 58 conjuncts are in the unsatisfiable core [2024-11-21 15:44:33,392 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:44:35,954 INFO L134 CoverageAnalysis]: Checked inductivity of 1131 backedges. 1064 proven. 66 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 15:44:35,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1655117054] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:44:35,954 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:44:35,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [56, 54] total 108 [2024-11-21 15:44:35,954 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:44:35,954 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 147 [2024-11-21 15:44:35,954 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:44:35,954 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:44:35,954 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:44:35,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:44:35,955 INFO L85 PathProgramCache]: Analyzing trace with hash 963016272, now seen corresponding path program 12 times [2024-11-21 15:44:35,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:44:35,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559675437] [2024-11-21 15:44:35,955 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:44:35,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:44:35,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:44:37,603 INFO L134 CoverageAnalysis]: Checked inductivity of 1229 backedges. 1012 proven. 217 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:44:37,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:44:37,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559675437] [2024-11-21 15:44:37,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [559675437] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:44:37,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [478620615] [2024-11-21 15:44:37,604 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-21 15:44:37,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:44:37,604 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:44:37,606 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) [2024-11-21 15:44:37,607 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 [2024-11-21 15:44:38,159 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 20 check-sat command(s) [2024-11-21 15:44:38,160 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:44:38,164 INFO L256 TraceCheckSpWp]: Trace formula consists of 658 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-21 15:44:38,166 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:44:38,982 INFO L134 CoverageAnalysis]: Checked inductivity of 1229 backedges. 944 proven. 66 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2024-11-21 15:44:38,982 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:44:39,851 INFO L134 CoverageAnalysis]: Checked inductivity of 1229 backedges. 944 proven. 66 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2024-11-21 15:44:39,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [478620615] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:44:39,851 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:44:39,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [57, 26, 26] total 105 [2024-11-21 15:44:39,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821392662] [2024-11-21 15:44:39,851 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:44:39,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 106 states [2024-11-21 15:44:39,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:44:39,853 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 106 interpolants. [2024-11-21 15:44:39,855 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1789, Invalid=9341, Unknown=0, NotChecked=0, Total=11130 [2024-11-21 15:44:39,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:44:39,855 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:44:39,856 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 106 states, 106 states have (on average 3.0660377358490565) internal successors, (325), 105 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) [2024-11-21 15:44:39,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:44:39,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:44:39,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:44:39,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:44:39,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:44:39,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-21 15:44:39,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:44:39,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-11-21 15:44:39,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-11-21 15:44:39,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 15:44:39,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 15:44:39,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 15:44:39,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2024-11-21 15:44:39,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:44:40,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:44:40,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:44:40,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:44:40,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:44:40,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:44:40,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-21 15:44:40,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:44:40,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-21 15:44:40,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-11-21 15:44:40,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 15:44:40,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 15:44:40,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 15:44:40,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2024-11-21 15:44:40,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:44:40,040 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-21 15:44:40,226 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,SelfDestructingSolverStorable22,SelfDestructingSolverStorable23,SelfDestructingSolverStorable24 [2024-11-21 15:44:40,226 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 15:44:40,226 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:44:40,227 INFO L139 ounterexampleChecker]: Examining path program with hash 1112994618, occurence #9 [2024-11-21 15:44:40,227 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:44:40,227 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:44:40,227 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:44:40,227 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-11-21 15:44:40,227 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:44:40,227 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2024-11-21 15:44:40,227 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:44:40,227 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 137 [2024-11-21 15:44:40,227 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:44:40,227 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 139 [2024-11-21 15:44:40,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:44:40,246 INFO L85 PathProgramCache]: Analyzing trace with hash -882419341, now seen corresponding path program 1 times [2024-11-21 15:44:40,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:44:40,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611909975] [2024-11-21 15:44:40,246 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:44:40,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:44:40,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:44:41,813 INFO L134 CoverageAnalysis]: Checked inductivity of 1143 backedges. 937 proven. 206 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:44:41,813 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:44:41,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611909975] [2024-11-21 15:44:41,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611909975] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:44:41,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [509890466] [2024-11-21 15:44:41,813 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:44:41,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:44:41,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:44:41,844 INFO L256 TraceCheckSpWp]: Trace formula consists of 641 conjuncts, 59 conjuncts are in the unsatisfiable core [2024-11-21 15:44:41,847 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:44:44,393 INFO L134 CoverageAnalysis]: Checked inductivity of 1143 backedges. 1064 proven. 78 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 15:44:44,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [509890466] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:44:44,394 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:44:44,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [57, 55] total 110 [2024-11-21 15:44:44,394 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:44:44,394 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 148 [2024-11-21 15:44:44,394 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:44:44,394 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:44:44,394 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:44:44,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:44:44,394 INFO L85 PathProgramCache]: Analyzing trace with hash -486610589, now seen corresponding path program 13 times [2024-11-21 15:44:44,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:44:44,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120735961] [2024-11-21 15:44:44,395 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:44:44,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:44:44,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:44:46,118 INFO L134 CoverageAnalysis]: Checked inductivity of 1241 backedges. 1012 proven. 229 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:44:46,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:44:46,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120735961] [2024-11-21 15:44:46,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120735961] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:44:46,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [275562236] [2024-11-21 15:44:46,118 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-21 15:44:46,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:44:46,119 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:44:46,120 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) [2024-11-21 15:44:46,121 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 [2024-11-21 15:44:46,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:44:46,299 INFO L256 TraceCheckSpWp]: Trace formula consists of 689 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-21 15:44:46,301 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:44:47,169 INFO L134 CoverageAnalysis]: Checked inductivity of 1241 backedges. 992 proven. 78 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2024-11-21 15:44:47,169 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:44:48,123 INFO L134 CoverageAnalysis]: Checked inductivity of 1241 backedges. 992 proven. 78 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2024-11-21 15:44:48,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [275562236] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:44:48,123 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:44:48,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [58, 28, 28] total 110 [2024-11-21 15:44:48,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696740768] [2024-11-21 15:44:48,123 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:44:48,124 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 111 states [2024-11-21 15:44:48,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:44:48,125 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 111 interpolants. [2024-11-21 15:44:48,127 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1943, Invalid=10267, Unknown=0, NotChecked=0, Total=12210 [2024-11-21 15:44:48,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:44:48,127 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:44:48,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 111 states, 111 states have (on average 3.063063063063063) internal successors, (340), 110 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:44:48,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:44:48,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:44:48,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:44:48,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:44:48,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:44:48,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-21 15:44:48,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:44:48,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-11-21 15:44:48,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-11-21 15:44:48,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 15:44:48,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 15:44:48,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 15:44:48,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2024-11-21 15:44:48,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:44:48,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:44:48,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:44:48,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:44:48,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:44:48,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:44:48,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:44:48,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-21 15:44:48,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:44:48,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-21 15:44:48,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-11-21 15:44:48,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 15:44:48,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 15:44:48,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 15:44:48,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2024-11-21 15:44:48,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:44:48,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-21 15:44:48,293 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-21 15:44:48,481 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,SelfDestructingSolverStorable25,SelfDestructingSolverStorable26,SelfDestructingSolverStorable27 [2024-11-21 15:44:48,482 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 15:44:48,482 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:44:48,482 INFO L139 ounterexampleChecker]: Examining path program with hash 1112994618, occurence #10 [2024-11-21 15:44:48,482 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:44:48,482 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:44:48,482 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:44:48,482 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-11-21 15:44:48,482 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:44:48,482 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-11-21 15:44:48,482 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:44:48,482 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 138 [2024-11-21 15:44:48,482 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:44:48,483 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 140 [2024-11-21 15:44:48,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:44:48,505 INFO L85 PathProgramCache]: Analyzing trace with hash 1530401859, now seen corresponding path program 1 times [2024-11-21 15:44:48,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:44:48,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962830931] [2024-11-21 15:44:48,505 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:44:48,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:44:48,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:44:50,117 INFO L134 CoverageAnalysis]: Checked inductivity of 1156 backedges. 937 proven. 219 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:44:50,117 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:44:50,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962830931] [2024-11-21 15:44:50,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962830931] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:44:50,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1572051439] [2024-11-21 15:44:50,117 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:44:50,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:44:50,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:44:50,147 INFO L256 TraceCheckSpWp]: Trace formula consists of 650 conjuncts, 60 conjuncts are in the unsatisfiable core [2024-11-21 15:44:50,150 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:44:52,765 INFO L134 CoverageAnalysis]: Checked inductivity of 1156 backedges. 1064 proven. 91 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 15:44:52,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1572051439] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:44:52,765 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:44:52,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [58, 56] total 112 [2024-11-21 15:44:52,765 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:44:52,765 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 149 [2024-11-21 15:44:52,765 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:44:52,765 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:44:52,765 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:44:52,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:44:52,766 INFO L85 PathProgramCache]: Analyzing trace with hash 1819596976, now seen corresponding path program 14 times [2024-11-21 15:44:52,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:44:52,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467097677] [2024-11-21 15:44:52,766 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:44:52,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:44:52,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:44:54,441 INFO L134 CoverageAnalysis]: Checked inductivity of 1254 backedges. 1012 proven. 242 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:44:54,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:44:54,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467097677] [2024-11-21 15:44:54,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1467097677] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:44:54,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1710896199] [2024-11-21 15:44:54,441 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 15:44:54,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:44:54,442 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:44:54,443 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) [2024-11-21 15:44:54,444 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 [2024-11-21 15:44:54,609 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-21 15:44:54,609 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:44:54,612 INFO L256 TraceCheckSpWp]: Trace formula consists of 698 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-21 15:44:54,614 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:44:55,549 INFO L134 CoverageAnalysis]: Checked inductivity of 1254 backedges. 1034 proven. 91 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2024-11-21 15:44:55,549 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:44:56,577 INFO L134 CoverageAnalysis]: Checked inductivity of 1254 backedges. 1034 proven. 91 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2024-11-21 15:44:56,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1710896199] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:44:56,577 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:44:56,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [59, 30, 30] total 115 [2024-11-21 15:44:56,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125959586] [2024-11-21 15:44:56,578 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:44:56,578 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 116 states [2024-11-21 15:44:56,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:44:56,579 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 116 interpolants. [2024-11-21 15:44:56,582 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2108, Invalid=11232, Unknown=0, NotChecked=0, Total=13340 [2024-11-21 15:44:56,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:44:56,583 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:44:56,583 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 116 states, 116 states have (on average 3.060344827586207) internal successors, (355), 115 states have internal predecessors, (355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:44:56,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:44:56,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:44:56,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:44:56,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:44:56,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:44:56,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-21 15:44:56,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:44:56,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-11-21 15:44:56,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-11-21 15:44:56,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 15:44:56,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 15:44:56,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 15:44:56,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2024-11-21 15:44:56,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:44:56,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-21 15:44:56,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:44:56,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:44:56,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:44:56,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:44:56,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:44:56,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:44:56,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-21 15:44:56,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:44:56,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-21 15:44:56,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-11-21 15:44:56,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 15:44:56,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 15:44:56,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 15:44:56,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2024-11-21 15:44:56,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:44:56,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-21 15:44:56,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 15:44:56,750 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-21 15:44:56,938 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,17 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30,SelfDestructingSolverStorable28 [2024-11-21 15:44:56,938 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 15:44:56,938 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:44:56,939 INFO L139 ounterexampleChecker]: Examining path program with hash 1112994618, occurence #11 [2024-11-21 15:44:56,939 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:44:56,939 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:44:56,939 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:44:56,939 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-11-21 15:44:56,939 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:44:56,939 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-11-21 15:44:56,939 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:44:56,939 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 139 [2024-11-21 15:44:56,939 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:44:56,939 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 141 [2024-11-21 15:44:56,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:44:56,961 INFO L85 PathProgramCache]: Analyzing trace with hash -981552359, now seen corresponding path program 1 times [2024-11-21 15:44:56,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:44:56,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125226622] [2024-11-21 15:44:56,961 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:44:56,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:44:56,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:44:58,642 INFO L134 CoverageAnalysis]: Checked inductivity of 1170 backedges. 937 proven. 233 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:44:58,642 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:44:58,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125226622] [2024-11-21 15:44:58,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125226622] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:44:58,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1655029210] [2024-11-21 15:44:58,642 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:44:58,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:44:58,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:44:58,671 INFO L256 TraceCheckSpWp]: Trace formula consists of 659 conjuncts, 61 conjuncts are in the unsatisfiable core [2024-11-21 15:44:58,673 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:45:01,320 INFO L134 CoverageAnalysis]: Checked inductivity of 1170 backedges. 1064 proven. 105 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 15:45:01,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1655029210] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:45:01,320 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:45:01,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [59, 57] total 114 [2024-11-21 15:45:01,321 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:45:01,321 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 150 [2024-11-21 15:45:01,321 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:45:01,321 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:45:01,321 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:45:01,321 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:45:01,321 INFO L85 PathProgramCache]: Analyzing trace with hash 297587459, now seen corresponding path program 15 times [2024-11-21 15:45:01,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:45:01,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675783711] [2024-11-21 15:45:01,321 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:45:01,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:45:01,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:45:03,094 INFO L134 CoverageAnalysis]: Checked inductivity of 1268 backedges. 1012 proven. 256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:45:03,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:45:03,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675783711] [2024-11-21 15:45:03,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [675783711] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:45:03,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [8936126] [2024-11-21 15:45:03,095 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-21 15:45:03,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:45:03,095 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:45:03,097 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) [2024-11-21 15:45:03,098 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 [2024-11-21 15:45:03,756 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 21 check-sat command(s) [2024-11-21 15:45:03,756 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:45:03,760 INFO L256 TraceCheckSpWp]: Trace formula consists of 707 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-21 15:45:03,763 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:45:05,152 INFO L134 CoverageAnalysis]: Checked inductivity of 1268 backedges. 1161 proven. 105 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-21 15:45:05,152 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:45:06,650 INFO L134 CoverageAnalysis]: Checked inductivity of 1268 backedges. 1161 proven. 105 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-21 15:45:06,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [8936126] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:45:06,650 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:45:06,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [60, 38, 38] total 133 [2024-11-21 15:45:06,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914474679] [2024-11-21 15:45:06,651 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:45:06,651 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 134 states [2024-11-21 15:45:06,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:45:06,653 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 134 interpolants. [2024-11-21 15:45:06,656 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3033, Invalid=14789, Unknown=0, NotChecked=0, Total=17822 [2024-11-21 15:45:06,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:45:06,656 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:45:06,656 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 134 states, 134 states have (on average 3.246268656716418) internal successors, (435), 133 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:45:06,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:45:06,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:45:06,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:45:06,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:45:06,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:45:06,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-21 15:45:06,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:45:06,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-11-21 15:45:06,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-11-21 15:45:06,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 15:45:06,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 15:45:06,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 15:45:06,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2024-11-21 15:45:06,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:45:06,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-21 15:45:06,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 15:45:06,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:45:06,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:45:06,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:45:06,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:45:06,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:45:06,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:45:06,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-21 15:45:06,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:45:06,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-21 15:45:06,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-11-21 15:45:06,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 15:45:06,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 15:45:06,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 15:45:06,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2024-11-21 15:45:06,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:45:06,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-21 15:45:06,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 15:45:06,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-21 15:45:06,841 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-11-21 15:45:07,025 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,SelfDestructingSolverStorable32,SelfDestructingSolverStorable33,18 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:45:07,025 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 15:45:07,025 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:45:07,025 INFO L139 ounterexampleChecker]: Examining path program with hash 1112994618, occurence #12 [2024-11-21 15:45:07,025 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:45:07,025 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:45:07,026 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:45:07,026 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2024-11-21 15:45:07,026 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:45:07,026 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2024-11-21 15:45:07,026 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:45:07,026 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 146 [2024-11-21 15:45:07,026 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:45:07,026 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 148 [2024-11-21 15:45:07,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:45:07,046 INFO L85 PathProgramCache]: Analyzing trace with hash -1219433015, now seen corresponding path program 1 times [2024-11-21 15:45:07,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:45:07,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759898137] [2024-11-21 15:45:07,046 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:45:07,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:45:07,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 15:45:07,259 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-21 15:45:07,259 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-21 15:45:07,260 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 157 [2024-11-21 15:45:07,260 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:45:07,260 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:45:07,260 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:45:07,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:45:07,260 INFO L85 PathProgramCache]: Analyzing trace with hash -1231850960, now seen corresponding path program 16 times [2024-11-21 15:45:07,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:45:07,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392171962] [2024-11-21 15:45:07,260 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:45:07,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:45:07,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:45:35,508 INFO L134 CoverageAnalysis]: Checked inductivity of 1394 backedges. 137 proven. 1257 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:45:35,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:45:35,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392171962] [2024-11-21 15:45:35,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392171962] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:45:35,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [124684092] [2024-11-21 15:45:35,508 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-21 15:45:35,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:45:35,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:45:35,510 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) [2024-11-21 15:45:35,511 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 [2024-11-21 15:45:35,715 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-21 15:45:35,715 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:45:35,720 INFO L256 TraceCheckSpWp]: Trace formula consists of 770 conjuncts, 255 conjuncts are in the unsatisfiable core [2024-11-21 15:45:35,727 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:45:43,365 INFO L134 CoverageAnalysis]: Checked inductivity of 1394 backedges. 0 proven. 1163 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-11-21 15:45:43,365 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:46:32,752 WARN L286 SmtUtils]: Spent 21.67s on a formula simplification that was a NOOP. DAG size: 1469 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-11-21 15:46:32,753 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 15:46:32,755 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 42 select indices, 42 select index equivalence classes, 0 disjoint index pairs (out of 861 index pairs), introduced 42 new quantified variables, introduced 861 case distinctions, treesize of input 422 treesize of output 4415 Killed by 15