./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c --full-output --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1f73d82f Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../sv-benchmarks/c/weaver/parallel-parallel-sum-2.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 aee5edffc06a346ddce4a9cfa75b4213bee8ccd3009aa5307dc09037d26d7f28 --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT --- Real Ultimate output --- This is Ultimate 0.3.0-dev-1f73d82-m [2024-11-21 15:35:51,236 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-21 15:35:51,330 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-11-21 15:35:51,334 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-21 15:35:51,336 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-21 15:35:51,353 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-21 15:35:51,354 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-21 15:35:51,354 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-21 15:35:51,355 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-21 15:35:51,355 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-21 15:35:51,355 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-21 15:35:51,355 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-21 15:35:51,355 INFO L153 SettingsManager]: * Use SBE=true [2024-11-21 15:35:51,356 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-21 15:35:51,356 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-21 15:35:51,356 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-21 15:35:51,356 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-21 15:35:51,356 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-21 15:35:51,356 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-21 15:35:51,356 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-21 15:35:51,356 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-21 15:35:51,356 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-21 15:35:51,356 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-21 15:35:51,356 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-21 15:35:51,356 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-21 15:35:51,356 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-21 15:35:51,357 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-21 15:35:51,357 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-21 15:35:51,357 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-21 15:35:51,357 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-21 15:35:51,357 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-21 15:35:51,357 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-21 15:35:51,357 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-21 15:35:51,357 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-21 15:35:51,357 INFO L153 SettingsManager]: * Commutativity condition synthesis=SUFFICIENT [2024-11-21 15:35:51,357 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-21 15:35:51,357 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-21 15:35:51,357 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-11-21 15:35:51,358 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-21 15:35:51,358 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-21 15:35:51,358 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-21 15:35:51,358 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-21 15:35:51,358 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-21 15:35:51,358 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 -> aee5edffc06a346ddce4a9cfa75b4213bee8ccd3009aa5307dc09037d26d7f28 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NECESSARY_AND_SUFFICIENT [2024-11-21 15:35:51,655 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-21 15:35:51,662 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-21 15:35:51,665 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-21 15:35:51,666 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-21 15:35:51,667 INFO L274 PluginConnector]: CDTParser initialized [2024-11-21 15:35:51,668 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c [2024-11-21 15:35:53,025 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/3ba481603/29a6bcf819a0499791cde9172cce6e6f/FLAGeba2ee4c5 [2024-11-21 15:35:53,257 INFO L384 CDTParser]: Found 1 translation units. [2024-11-21 15:35:53,259 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c [2024-11-21 15:35:53,268 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/3ba481603/29a6bcf819a0499791cde9172cce6e6f/FLAGeba2ee4c5 [2024-11-21 15:35:53,288 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/3ba481603/29a6bcf819a0499791cde9172cce6e6f [2024-11-21 15:35:53,290 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-21 15:35:53,292 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-21 15:35:53,293 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-21 15:35:53,293 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-21 15:35:53,298 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-21 15:35:53,299 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 03:35:53" (1/1) ... [2024-11-21 15:35:53,299 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6402728d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:35:53, skipping insertion in model container [2024-11-21 15:35:53,300 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 03:35:53" (1/1) ... [2024-11-21 15:35:53,322 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-21 15:35:53,498 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c[4303,4316] [2024-11-21 15:35:53,510 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 15:35:53,521 INFO L200 MainTranslator]: Completed pre-run [2024-11-21 15:35:53,549 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c[4303,4316] [2024-11-21 15:35:53,557 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 15:35:53,576 INFO L204 MainTranslator]: Completed translation [2024-11-21 15:35:53,577 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:35:53 WrapperNode [2024-11-21 15:35:53,578 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-21 15:35:53,579 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-21 15:35:53,579 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-21 15:35:53,579 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-21 15:35:53,587 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:35:53" (1/1) ... [2024-11-21 15:35:53,601 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:35:53" (1/1) ... [2024-11-21 15:35:53,647 INFO L138 Inliner]: procedures = 28, calls = 58, calls flagged for inlining = 22, calls inlined = 32, statements flattened = 372 [2024-11-21 15:35:53,648 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-21 15:35:53,648 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-21 15:35:53,648 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-21 15:35:53,648 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-21 15:35:53,656 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:35:53" (1/1) ... [2024-11-21 15:35:53,657 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:35:53" (1/1) ... [2024-11-21 15:35:53,662 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:35:53" (1/1) ... [2024-11-21 15:35:53,666 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:35:53" (1/1) ... [2024-11-21 15:35:53,682 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:35:53" (1/1) ... [2024-11-21 15:35:53,687 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:35:53" (1/1) ... [2024-11-21 15:35:53,695 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:35:53" (1/1) ... [2024-11-21 15:35:53,697 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:35:53" (1/1) ... [2024-11-21 15:35:53,703 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:35:53" (1/1) ... [2024-11-21 15:35:53,708 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-21 15:35:53,709 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-21 15:35:53,709 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-21 15:35:53,709 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-21 15:35:53,711 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:35:53" (1/1) ... [2024-11-21 15:35:53,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-21 15:35:53,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:35:53,744 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-21 15:35:53,747 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-21 15:35:53,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-21 15:35:53,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-21 15:35:53,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-21 15:35:53,769 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-21 15:35:53,769 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-21 15:35:53,769 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-21 15:35:53,769 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-21 15:35:53,769 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-21 15:35:53,769 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-21 15:35:53,769 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-11-21 15:35:53,769 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-11-21 15:35:53,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-21 15:35:53,770 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2024-11-21 15:35:53,770 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2024-11-21 15:35:53,770 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2024-11-21 15:35:53,770 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2024-11-21 15:35:53,770 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-21 15:35:53,770 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-21 15:35:53,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-21 15:35:53,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-21 15:35:53,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-21 15:35:53,772 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-21 15:35:53,889 INFO L234 CfgBuilder]: Building ICFG [2024-11-21 15:35:53,891 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-21 15:35:54,411 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-21 15:35:54,412 INFO L283 CfgBuilder]: Performing block encoding [2024-11-21 15:35:54,747 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-21 15:35:54,748 INFO L312 CfgBuilder]: Removed 5 assume(true) statements. [2024-11-21 15:35:54,748 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 03:35:54 BoogieIcfgContainer [2024-11-21 15:35:54,748 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-21 15:35:54,750 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-21 15:35:54,750 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-21 15:35:54,755 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-21 15:35:54,755 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 03:35:53" (1/3) ... [2024-11-21 15:35:54,756 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@186aba1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 03:35:54, skipping insertion in model container [2024-11-21 15:35:54,756 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:35:53" (2/3) ... [2024-11-21 15:35:54,756 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@186aba1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 03:35:54, skipping insertion in model container [2024-11-21 15:35:54,756 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 03:35:54" (3/3) ... [2024-11-21 15:35:54,757 INFO L128 eAbstractionObserver]: Analyzing ICFG parallel-parallel-sum-2.wvr.c [2024-11-21 15:35:54,772 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-21 15:35:54,774 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG parallel-parallel-sum-2.wvr.c that has 7 procedures, 62 locations, 1 initial locations, 5 loop locations, and 1 error locations. [2024-11-21 15:35:54,774 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-21 15:35:54,870 INFO L143 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2024-11-21 15:35:54,918 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 15:35:54,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-21 15:35:54,919 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:35:54,922 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-21 15:35:54,924 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-21 15:35:55,038 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-21 15:35:55,053 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread4Thread1of1ForFork1 ======== [2024-11-21 15:35:55,062 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;@2ed3f9a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 15:35:55,062 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-21 15:35:56,499 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Thread1of1ForFork1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 2 remaining) [2024-11-21 15:35:56,500 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Thread1of1ForFork1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-11-21 15:35:56,505 INFO L422 BasicCegarLoop]: Path program histogram: [] [2024-11-21 15:35:56,506 INFO L319 ceAbstractionStarter]: Result for error location thread4Thread1of1ForFork1 was SAFE,SAFE (1/3) [2024-11-21 15:35:56,512 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 15:35:56,514 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-21 15:35:56,517 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-21 15:35:56,518 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;@2ed3f9a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 15:35:56,518 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-21 15:35:56,659 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 15:35:56,659 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:35:56,659 INFO L139 ounterexampleChecker]: Examining path program with hash 1019370736, occurence #1 [2024-11-21 15:35:56,660 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 15:35:56,660 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:35:56,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:35:56,663 INFO L85 PathProgramCache]: Analyzing trace with hash 1536810596, now seen corresponding path program 1 times [2024-11-21 15:35:56,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:35:56,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907403716] [2024-11-21 15:35:56,670 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:35:56,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:35:56,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:35:56,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:35:56,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:35:56,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907403716] [2024-11-21 15:35:56,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907403716] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 15:35:56,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 15:35:56,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-21 15:35:56,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966777909] [2024-11-21 15:35:56,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 15:35:56,910 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-21 15:35:56,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:35:56,927 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-21 15:35:56,927 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-21 15:35:56,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:35:56,929 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:35:56,930 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:35:56,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:35:58,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:35:58,074 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-21 15:35:58,075 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 15:35:58,075 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:35:58,077 INFO L139 ounterexampleChecker]: Examining path program with hash 1939038113, occurence #1 [2024-11-21 15:35:58,077 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 15:35:58,077 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:35:58,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:35:58,077 INFO L85 PathProgramCache]: Analyzing trace with hash -2059670589, now seen corresponding path program 1 times [2024-11-21 15:35:58,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:35:58,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301153446] [2024-11-21 15:35:58,078 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:35:58,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:35:58,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:35:58,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:35:58,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:35:58,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301153446] [2024-11-21 15:35:58,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301153446] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 15:35:58,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 15:35:58,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-21 15:35:58,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740161239] [2024-11-21 15:35:58,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 15:35:58,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-21 15:35:58,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:35:58,797 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-21 15:35:58,797 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-21 15:35:58,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:35:58,799 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:35:58,800 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:35:58,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:35:58,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:35:59,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:35:59,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:35:59,275 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-21 15:35:59,275 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 15:35:59,275 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:35:59,275 INFO L139 ounterexampleChecker]: Examining path program with hash 1939038113, occurence #2 [2024-11-21 15:35:59,275 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:35:59,275 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:35:59,276 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:35:59,276 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2024-11-21 15:35:59,304 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:35:59,305 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2024-11-21 15:35:59,305 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:35:59,305 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-11-21 15:35:59,305 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:35:59,305 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-11-21 15:35:59,305 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:35:59,305 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-11-21 15:35:59,305 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:35:59,305 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-11-21 15:35:59,305 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:35:59,306 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2024-11-21 15:35:59,306 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:35:59,306 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-11-21 15:35:59,306 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:35:59,306 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 64 [2024-11-21 15:35:59,307 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:35:59,308 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 67 [2024-11-21 15:35:59,308 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:35:59,308 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 72 [2024-11-21 15:35:59,308 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:35:59,308 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2024-11-21 15:35:59,308 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:35:59,309 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 79 [2024-11-21 15:35:59,309 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:35:59,309 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 81 [2024-11-21 15:35:59,309 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:35:59,309 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:35:59,309 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:35:59,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:35:59,311 INFO L85 PathProgramCache]: Analyzing trace with hash -1434585363, now seen corresponding path program 1 times [2024-11-21 15:35:59,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:35:59,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99825151] [2024-11-21 15:35:59,311 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:35:59,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:35:59,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:35:59,705 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:35:59,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:35:59,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99825151] [2024-11-21 15:35:59,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99825151] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:35:59,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [691212781] [2024-11-21 15:35:59,706 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:35:59,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:35:59,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:35:59,709 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:35:59,711 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-21 15:35:59,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:35:59,914 INFO L256 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-21 15:35:59,922 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:36:00,299 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 15:36:00,300 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-21 15:36:00,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [691212781] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 15:36:00,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-21 15:36:00,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4] total 15 [2024-11-21 15:36:00,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365968229] [2024-11-21 15:36:00,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 15:36:00,300 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-21 15:36:00,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:36:00,302 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-21 15:36:00,303 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2024-11-21 15:36:00,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:36:00,304 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:36:00,304 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.916666666666667) internal successors, (83), 12 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:36:00,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:36:00,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:36:00,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:36:00,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:36:00,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:36:00,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:36:00,954 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-21 15:36:01,136 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:36:01,137 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 15:36:01,137 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:36:01,137 INFO L139 ounterexampleChecker]: Examining path program with hash 816194142, occurence #1 [2024-11-21 15:36:01,137 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 15:36:01,137 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:36:01,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:36:01,138 INFO L85 PathProgramCache]: Analyzing trace with hash -1259928583, now seen corresponding path program 2 times [2024-11-21 15:36:01,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:36:01,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709000306] [2024-11-21 15:36:01,139 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:36:01,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:36:01,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:36:01,539 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-21 15:36:01,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:36:01,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709000306] [2024-11-21 15:36:01,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [709000306] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:36:01,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1807711900] [2024-11-21 15:36:01,539 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 15:36:01,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:36:01,540 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:36:01,542 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 15:36:01,544 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 15:36:01,739 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-21 15:36:01,739 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:36:01,745 INFO L256 TraceCheckSpWp]: Trace formula consists of 533 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-21 15:36:01,750 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:36:02,252 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 15:36:02,254 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:36:02,483 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-21 15:36:02,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1807711900] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-21 15:36:02,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:36:02,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [4, 17] total 25 [2024-11-21 15:36:02,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142676164] [2024-11-21 15:36:02,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 15:36:02,485 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-21 15:36:02,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:36:02,487 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-21 15:36:02,487 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=494, Unknown=0, NotChecked=0, Total=600 [2024-11-21 15:36:02,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:36:02,487 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:36:02,488 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:36:02,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:36:02,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:36:02,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:36:02,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:36:03,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:36:03,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:36:03,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:36:03,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:36:03,585 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 15:36:03,771 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:36:03,772 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 15:36:03,772 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:36:03,772 INFO L139 ounterexampleChecker]: Examining path program with hash 1958307644, occurence #1 [2024-11-21 15:36:03,773 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 15:36:03,773 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:36:03,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:36:03,773 INFO L85 PathProgramCache]: Analyzing trace with hash -1801913364, now seen corresponding path program 3 times [2024-11-21 15:36:03,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:36:03,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28644181] [2024-11-21 15:36:03,773 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:36:03,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:36:03,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:36:04,181 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-21 15:36:04,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:36:04,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28644181] [2024-11-21 15:36:04,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28644181] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:36:04,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1507284177] [2024-11-21 15:36:04,181 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-21 15:36:04,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:36:04,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:36:04,184 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 15:36:04,185 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 15:36:04,367 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-21 15:36:04,368 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:36:04,371 INFO L256 TraceCheckSpWp]: Trace formula consists of 563 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-21 15:36:04,375 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:36:04,637 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-21 15:36:04,637 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:36:04,835 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-21 15:36:04,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1507284177] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:36:04,836 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:36:04,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 8, 8] total 18 [2024-11-21 15:36:04,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070175199] [2024-11-21 15:36:04,836 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:36:04,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-21 15:36:04,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:36:04,838 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-21 15:36:04,838 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=244, Unknown=0, NotChecked=0, Total=342 [2024-11-21 15:36:04,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:36:04,838 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:36:04,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.947368421052632) internal successors, (170), 18 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:36:04,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:36:04,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:36:04,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:36:04,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:36:04,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:36:05,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:36:05,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:36:05,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:36:05,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:36:05,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:36:05,642 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-21 15:36:05,825 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:36:05,826 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 15:36:05,826 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:36:05,826 INFO L139 ounterexampleChecker]: Examining path program with hash 1958307644, occurence #2 [2024-11-21 15:36:05,827 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:36:05,827 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:36:05,827 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:36:05,827 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-11-21 15:36:05,827 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:36:05,828 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-11-21 15:36:05,828 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:36:05,828 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2024-11-21 15:36:05,828 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:36:05,828 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-11-21 15:36:05,828 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:36:05,828 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2024-11-21 15:36:05,828 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:36:05,828 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-11-21 15:36:05,829 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:36:05,829 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2024-11-21 15:36:05,829 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:36:05,829 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 90 [2024-11-21 15:36:05,830 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:36:05,830 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2024-11-21 15:36:05,831 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:36:05,832 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 100 [2024-11-21 15:36:05,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:36:05,856 INFO L85 PathProgramCache]: Analyzing trace with hash -1023989454, now seen corresponding path program 1 times [2024-11-21 15:36:05,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:36:05,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958515302] [2024-11-21 15:36:05,856 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:36:05,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:36:05,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:36:06,859 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 25 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:36:06,860 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:36:06,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958515302] [2024-11-21 15:36:06,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958515302] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:36:06,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [101262857] [2024-11-21 15:36:06,860 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:36:06,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:36:06,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:36:06,927 INFO L256 TraceCheckSpWp]: Trace formula consists of 535 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-21 15:36:06,936 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:36:07,882 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 18 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:36:07,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [101262857] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:36:07,883 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:36:07,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 20] total 43 [2024-11-21 15:36:07,883 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:36:07,883 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 109 [2024-11-21 15:36:07,883 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:36:07,883 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2024-11-21 15:36:07,884 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:36:07,884 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2024-11-21 15:36:07,884 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:36:07,884 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 119 [2024-11-21 15:36:07,884 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:36:07,884 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 120 [2024-11-21 15:36:07,884 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:36:07,884 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:36:07,884 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:36:07,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:36:07,885 INFO L85 PathProgramCache]: Analyzing trace with hash -2044004286, now seen corresponding path program 4 times [2024-11-21 15:36:07,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:36:07,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570619435] [2024-11-21 15:36:07,887 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:36:07,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:36:07,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:36:08,977 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 25 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:36:08,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:36:08,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570619435] [2024-11-21 15:36:08,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570619435] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:36:08,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [723811272] [2024-11-21 15:36:08,978 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-21 15:36:08,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:36:08,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:36:08,980 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 15:36:08,982 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 15:36:09,128 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-21 15:36:09,129 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:36:09,131 INFO L256 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-21 15:36:09,135 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:36:09,807 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-21 15:36:09,808 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:36:10,087 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-21 15:36:10,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [723811272] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-21 15:36:10,087 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:36:10,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [26, 21] total 53 [2024-11-21 15:36:10,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8418077] [2024-11-21 15:36:10,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 15:36:10,088 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-21 15:36:10,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:36:10,088 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-21 15:36:10,089 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=335, Invalid=2421, Unknown=0, NotChecked=0, Total=2756 [2024-11-21 15:36:10,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:36:10,089 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:36:10,090 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 9 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:36:10,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:36:10,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:36:10,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:36:10,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:36:10,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:36:10,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:36:10,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:36:10,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:36:10,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:36:10,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:36:10,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:36:10,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:36:10,463 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 15:36:10,650 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:36:10,651 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 15:36:10,651 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:36:10,651 INFO L139 ounterexampleChecker]: Examining path program with hash 229385136, occurence #1 [2024-11-21 15:36:10,651 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 15:36:10,651 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:36:10,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:36:10,652 INFO L85 PathProgramCache]: Analyzing trace with hash -1193789737, now seen corresponding path program 5 times [2024-11-21 15:36:10,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:36:10,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962843366] [2024-11-21 15:36:10,652 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:36:10,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:36:10,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:36:11,820 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 45 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:36:11,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:36:11,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962843366] [2024-11-21 15:36:11,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1962843366] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:36:11,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1589577288] [2024-11-21 15:36:11,821 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-21 15:36:11,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:36:11,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:36:11,823 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 15:36:11,825 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 15:36:12,191 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2024-11-21 15:36:12,191 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:36:12,195 INFO L256 TraceCheckSpWp]: Trace formula consists of 680 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-21 15:36:12,199 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:36:12,587 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 43 proven. 13 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-21 15:36:12,587 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:36:12,958 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 46 proven. 10 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-21 15:36:12,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1589577288] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:36:12,959 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:36:12,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 12, 12] total 51 [2024-11-21 15:36:12,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795692449] [2024-11-21 15:36:12,959 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:36:12,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2024-11-21 15:36:12,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:36:12,961 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2024-11-21 15:36:12,962 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=414, Invalid=2238, Unknown=0, NotChecked=0, Total=2652 [2024-11-21 15:36:12,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:36:12,962 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:36:12,963 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 5.326923076923077) internal successors, (277), 51 states have internal predecessors, (277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:36:12,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:36:12,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:36:12,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:36:12,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:36:12,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:36:12,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:36:12,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:36:13,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:36:13,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:36:13,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:36:13,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:36:13,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:36:13,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:36:13,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-21 15:36:13,810 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 15:36:13,998 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:36:13,999 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 15:36:13,999 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:36:13,999 INFO L139 ounterexampleChecker]: Examining path program with hash 229385136, occurence #2 [2024-11-21 15:36:13,999 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:36:13,999 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:36:13,999 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:36:13,999 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-11-21 15:36:13,999 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:36:13,999 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-21 15:36:13,999 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:36:13,999 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-21 15:36:13,999 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:36:13,999 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-11-21 15:36:13,999 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:36:13,999 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2024-11-21 15:36:13,999 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:36:13,999 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2024-11-21 15:36:13,999 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:36:14,000 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 84 [2024-11-21 15:36:14,000 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:36:14,000 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 105 [2024-11-21 15:36:14,000 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:36:14,000 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2024-11-21 15:36:14,000 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:36:14,000 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2024-11-21 15:36:14,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:36:14,011 INFO L85 PathProgramCache]: Analyzing trace with hash 1269768888, now seen corresponding path program 1 times [2024-11-21 15:36:14,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:36:14,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065741278] [2024-11-21 15:36:14,012 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:36:14,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:36:14,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:36:14,660 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 45 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:36:14,661 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:36:14,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065741278] [2024-11-21 15:36:14,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1065741278] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:36:14,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1263042772] [2024-11-21 15:36:14,661 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:36:14,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:36:14,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:36:14,740 INFO L256 TraceCheckSpWp]: Trace formula consists of 603 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-21 15:36:14,743 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:36:15,246 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 31 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:36:15,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1263042772] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:36:15,246 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:36:15,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17] total 34 [2024-11-21 15:36:15,246 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:36:15,247 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 123 [2024-11-21 15:36:15,247 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:36:15,247 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 127 [2024-11-21 15:36:15,247 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:36:15,247 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 129 [2024-11-21 15:36:15,247 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:36:15,247 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 133 [2024-11-21 15:36:15,247 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:36:15,247 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 135 [2024-11-21 15:36:15,248 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:36:15,248 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:36:15,248 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:36:15,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:36:15,249 INFO L85 PathProgramCache]: Analyzing trace with hash -1332788287, now seen corresponding path program 6 times [2024-11-21 15:36:15,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:36:15,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804832676] [2024-11-21 15:36:15,249 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:36:15,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:36:15,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:36:15,957 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 45 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:36:15,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:36:15,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804832676] [2024-11-21 15:36:15,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804832676] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:36:15,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1519711430] [2024-11-21 15:36:15,958 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-21 15:36:15,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:36:15,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:36:15,962 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:36:15,964 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-21 15:36:16,175 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2024-11-21 15:36:16,175 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:36:16,179 INFO L256 TraceCheckSpWp]: Trace formula consists of 707 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-21 15:36:16,182 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:36:16,781 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-21 15:36:16,781 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:36:17,078 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-21 15:36:17,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1519711430] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-21 15:36:17,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:36:17,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [18, 25] total 51 [2024-11-21 15:36:17,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467359877] [2024-11-21 15:36:17,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 15:36:17,080 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-21 15:36:17,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:36:17,080 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-21 15:36:17,081 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=309, Invalid=2241, Unknown=0, NotChecked=0, Total=2550 [2024-11-21 15:36:17,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:36:17,081 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:36:17,081 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.454545454545455) internal successors, (104), 11 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:36:17,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:36:17,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:36:17,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:36:17,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:36:17,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:36:17,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:36:17,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-21 15:36:17,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:36:17,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:36:17,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:36:17,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:36:17,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:36:17,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:36:17,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:36:17,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-21 15:36:17,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 15:36:17,595 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-21 15:36:17,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable9,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:36:17,778 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 15:36:17,778 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:36:17,778 INFO L139 ounterexampleChecker]: Examining path program with hash 1041361848, occurence #1 [2024-11-21 15:36:17,778 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 15:36:17,778 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:36:17,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:36:17,780 INFO L85 PathProgramCache]: Analyzing trace with hash 320012276, now seen corresponding path program 7 times [2024-11-21 15:36:17,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:36:17,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390516881] [2024-11-21 15:36:17,780 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:36:17,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:36:17,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:36:18,506 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 45 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:36:18,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:36:18,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390516881] [2024-11-21 15:36:18,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390516881] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:36:18,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [127213299] [2024-11-21 15:36:18,507 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-21 15:36:18,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:36:18,507 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:36:18,510 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:36:18,512 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-21 15:36:18,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:36:18,706 INFO L256 TraceCheckSpWp]: Trace formula consists of 692 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-21 15:36:18,709 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:36:19,238 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-21 15:36:19,238 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:36:19,434 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 34 proven. 4 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-21 15:36:19,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [127213299] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:36:19,434 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:36:19,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 21, 8] total 44 [2024-11-21 15:36:19,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465030527] [2024-11-21 15:36:19,434 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:36:19,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2024-11-21 15:36:19,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:36:19,436 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2024-11-21 15:36:19,436 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=264, Invalid=1628, Unknown=0, NotChecked=0, Total=1892 [2024-11-21 15:36:19,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:36:19,437 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:36:19,438 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 7.090909090909091) internal successors, (312), 44 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:36:19,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:36:19,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:36:19,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:36:19,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:36:19,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:36:19,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:36:19,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-21 15:36:19,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 15:36:19,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:36:20,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:36:20,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:36:20,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:36:20,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:36:20,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:36:20,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 15:36:20,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 15:36:20,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:36:20,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-21 15:36:20,872 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-21 15:36:21,055 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:36:21,055 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 15:36:21,055 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:36:21,056 INFO L139 ounterexampleChecker]: Examining path program with hash 2098102355, occurence #1 [2024-11-21 15:36:21,056 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 15:36:21,056 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:36:21,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:36:21,056 INFO L85 PathProgramCache]: Analyzing trace with hash 987178939, now seen corresponding path program 8 times [2024-11-21 15:36:21,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:36:21,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522013540] [2024-11-21 15:36:21,056 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:36:21,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:36:21,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:36:22,711 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 134 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:36:22,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:36:22,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522013540] [2024-11-21 15:36:22,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522013540] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:36:22,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [5274286] [2024-11-21 15:36:22,711 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 15:36:22,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:36:22,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:36:22,714 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:36:22,716 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-21 15:36:22,917 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-21 15:36:22,917 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:36:22,921 INFO L256 TraceCheckSpWp]: Trace formula consists of 836 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-21 15:36:22,924 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:36:23,970 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 110 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:36:23,971 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:36:24,962 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 150 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:36:24,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [5274286] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:36:24,963 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:36:24,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 28, 28] total 95 [2024-11-21 15:36:24,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977087665] [2024-11-21 15:36:24,963 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:36:24,963 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2024-11-21 15:36:24,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:36:24,965 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2024-11-21 15:36:24,967 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1490, Invalid=7630, Unknown=0, NotChecked=0, Total=9120 [2024-11-21 15:36:24,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:36:24,967 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:36:24,968 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 96 states have (on average 5.208333333333333) internal successors, (500), 95 states have internal predecessors, (500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:36:24,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:36:24,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:36:24,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:36:24,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:36:24,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:36:24,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 15:36:24,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 15:36:24,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:36:24,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-11-21 15:36:24,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:36:25,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:36:25,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:36:25,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:36:25,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:36:25,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:36:25,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 15:36:25,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 15:36:25,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:36:25,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-21 15:36:25,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-21 15:36:25,860 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-21 15:36:26,042 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:36:26,043 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 15:36:26,043 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:36:26,043 INFO L139 ounterexampleChecker]: Examining path program with hash 2098102355, occurence #2 [2024-11-21 15:36:26,043 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:36:26,043 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:36:26,043 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:36:26,043 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2024-11-21 15:36:26,043 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:36:26,043 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2024-11-21 15:36:26,043 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:36:26,044 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2024-11-21 15:36:26,044 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:36:26,044 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2024-11-21 15:36:26,044 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:36:26,044 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2024-11-21 15:36:26,044 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:36:26,044 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-21 15:36:26,044 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:36:26,044 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 119 [2024-11-21 15:36:26,044 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:36:26,044 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 152 [2024-11-21 15:36:26,044 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:36:26,044 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 155 [2024-11-21 15:36:26,044 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:36:26,044 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 162 [2024-11-21 15:36:26,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:36:26,058 INFO L85 PathProgramCache]: Analyzing trace with hash -1838316164, now seen corresponding path program 1 times [2024-11-21 15:36:26,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:36:26,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16046814] [2024-11-21 15:36:26,058 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:36:26,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:36:26,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:36:27,700 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 153 proven. 141 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-21 15:36:27,700 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:36:27,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16046814] [2024-11-21 15:36:27,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [16046814] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:36:27,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [169893257] [2024-11-21 15:36:27,700 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:36:27,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:36:27,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:36:27,751 INFO L256 TraceCheckSpWp]: Trace formula consists of 841 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-11-21 15:36:27,754 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:36:29,555 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 153 proven. 168 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:36:29,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [169893257] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:36:29,555 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:36:29,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 48] total 79 [2024-11-21 15:36:29,556 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:36:29,556 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 167 [2024-11-21 15:36:29,556 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:36:29,556 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 170 [2024-11-21 15:36:29,556 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:36:29,556 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 172 [2024-11-21 15:36:29,556 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:36:29,556 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 177 [2024-11-21 15:36:29,556 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:36:29,556 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 178 [2024-11-21 15:36:29,556 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:36:29,556 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:36:29,556 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:36:29,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:36:29,557 INFO L85 PathProgramCache]: Analyzing trace with hash -328318469, now seen corresponding path program 9 times [2024-11-21 15:36:29,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:36:29,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562821507] [2024-11-21 15:36:29,557 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:36:29,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:36:29,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:36:31,130 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 153 proven. 141 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-21 15:36:31,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:36:31,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562821507] [2024-11-21 15:36:31,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562821507] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:36:31,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [693737101] [2024-11-21 15:36:31,131 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-21 15:36:31,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:36:31,131 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:36:31,133 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:36:31,134 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-21 15:36:31,355 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-11-21 15:36:31,355 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:36:31,358 INFO L256 TraceCheckSpWp]: Trace formula consists of 836 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-21 15:36:31,361 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:36:32,352 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2024-11-21 15:36:32,352 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:36:32,757 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2024-11-21 15:36:32,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [693737101] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-21 15:36:32,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:36:32,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [33, 33] total 74 [2024-11-21 15:36:32,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027041904] [2024-11-21 15:36:32,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 15:36:32,758 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-21 15:36:32,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:36:32,758 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-21 15:36:32,760 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=589, Invalid=4813, Unknown=0, NotChecked=0, Total=5402 [2024-11-21 15:36:32,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:36:32,760 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:36:32,760 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.181818181818182) internal successors, (112), 11 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:36:32,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:36:32,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:36:32,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:36:32,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:36:32,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:36:32,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 15:36:32,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 15:36:32,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:36:32,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-11-21 15:36:32,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-11-21 15:36:32,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:36:33,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:36:33,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:36:33,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:36:33,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:36:33,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:36:33,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:36:33,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 15:36:33,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:36:33,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-21 15:36:33,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-21 15:36:33,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:36:33,634 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 15:36:33,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15,SelfDestructingSolverStorable16 [2024-11-21 15:36:33,817 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 15:36:33,817 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:36:33,817 INFO L139 ounterexampleChecker]: Examining path program with hash -793011210, occurence #1 [2024-11-21 15:36:33,817 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 15:36:33,817 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:36:33,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:36:33,818 INFO L85 PathProgramCache]: Analyzing trace with hash 2005385, now seen corresponding path program 10 times [2024-11-21 15:36:33,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:36:33,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61936524] [2024-11-21 15:36:33,818 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:36:33,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:36:33,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:36:35,167 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 153 proven. 168 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:36:35,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:36:35,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61936524] [2024-11-21 15:36:35,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61936524] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:36:35,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [302513511] [2024-11-21 15:36:35,168 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-21 15:36:35,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:36:35,168 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:36:35,170 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 15:36:35,171 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 15:36:35,329 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-21 15:36:35,329 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:36:35,331 INFO L256 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-21 15:36:35,333 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:36:36,308 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2024-11-21 15:36:36,308 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:36:36,712 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 79 proven. 2 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2024-11-21 15:36:36,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [302513511] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:36:36,712 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:36:36,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 33, 10] total 76 [2024-11-21 15:36:36,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511942248] [2024-11-21 15:36:36,712 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:36:36,713 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 76 states [2024-11-21 15:36:36,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:36:36,714 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2024-11-21 15:36:36,715 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=602, Invalid=5098, Unknown=0, NotChecked=0, Total=5700 [2024-11-21 15:36:36,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:36:36,715 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:36:36,715 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 76 states, 76 states have (on average 5.75) internal successors, (437), 76 states have internal predecessors, (437), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:36:36,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:36:36,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:36:36,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:36:36,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:36:36,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:36:36,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:36:36,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 15:36:36,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:36:36,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-11-21 15:36:36,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-11-21 15:36:36,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:36:36,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:36:41,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:36:41,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:36:41,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:36:41,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:36:41,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:36:41,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:36:41,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 15:36:41,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:36:41,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-21 15:36:41,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-21 15:36:41,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:36:41,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-11-21 15:36:41,449 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 15:36:41,633 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,SelfDestructingSolverStorable17 [2024-11-21 15:36:41,634 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 15:36:41,634 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:36:41,634 INFO L139 ounterexampleChecker]: Examining path program with hash -685395454, occurence #1 [2024-11-21 15:36:41,634 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 15:36:41,634 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:36:41,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:36:41,635 INFO L85 PathProgramCache]: Analyzing trace with hash 1137176262, now seen corresponding path program 11 times [2024-11-21 15:36:41,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:36:41,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9997469] [2024-11-21 15:36:41,635 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:36:41,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:36:41,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:36:46,372 INFO L134 CoverageAnalysis]: Checked inductivity of 1155 backedges. 941 proven. 214 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:36:46,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:36:46,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9997469] [2024-11-21 15:36:46,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9997469] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:36:46,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1656225213] [2024-11-21 15:36:46,373 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-21 15:36:46,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:36:46,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:36:46,374 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 15:36:46,375 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 15:36:47,179 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) [2024-11-21 15:36:47,179 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:36:47,187 INFO L256 TraceCheckSpWp]: Trace formula consists of 1451 conjuncts, 54 conjuncts are in the unsatisfiable core [2024-11-21 15:36:47,191 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:36:50,044 INFO L134 CoverageAnalysis]: Checked inductivity of 1155 backedges. 821 proven. 284 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-21 15:36:50,044 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:36:53,247 INFO L134 CoverageAnalysis]: Checked inductivity of 1155 backedges. 934 proven. 171 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-21 15:36:53,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1656225213] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:36:53,247 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:36:53,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [86, 51, 51] total 186 [2024-11-21 15:36:53,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328330899] [2024-11-21 15:36:53,247 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:36:53,248 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 187 states [2024-11-21 15:36:53,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:36:53,251 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 187 interpolants. [2024-11-21 15:36:53,257 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5250, Invalid=29532, Unknown=0, NotChecked=0, Total=34782 [2024-11-21 15:36:53,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:36:53,257 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:36:53,258 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 187 states, 187 states have (on average 4.716577540106952) internal successors, (882), 186 states have internal predecessors, (882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:36:53,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:36:53,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:36:53,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:36:53,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:36:53,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:36:53,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:36:53,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 15:36:53,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:36:53,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-11-21 15:36:53,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-11-21 15:36:53,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:36:53,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-11-21 15:36:53,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:36:55,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:36:55,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:36:55,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:36:55,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:36:55,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:36:55,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:36:55,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 15:36:55,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:36:55,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-21 15:36:55,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-21 15:36:55,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:36:55,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-11-21 15:36:55,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-11-21 15:36:55,533 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 15:36:55,718 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:36:55,718 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 15:36:55,718 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:36:55,718 INFO L139 ounterexampleChecker]: Examining path program with hash -685395454, occurence #2 [2024-11-21 15:36:55,718 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:36:55,718 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:36:55,718 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:36:55,718 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-21 15:36:55,719 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:36:55,719 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2024-11-21 15:36:55,719 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:36:55,719 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2024-11-21 15:36:55,719 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:36:55,719 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2024-11-21 15:36:55,719 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:36:55,719 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2024-11-21 15:36:55,719 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:36:55,719 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 47 [2024-11-21 15:36:55,719 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:36:55,719 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 212 [2024-11-21 15:36:55,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:36:55,731 INFO L85 PathProgramCache]: Analyzing trace with hash -136147521, now seen corresponding path program 1 times [2024-11-21 15:36:55,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:36:55,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970379248] [2024-11-21 15:36:55,731 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:36:55,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:36:56,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 15:36:56,858 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-21 15:36:56,859 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-21 15:36:56,859 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 257 [2024-11-21 15:36:56,859 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:36:56,859 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 284 [2024-11-21 15:36:56,859 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:36:56,859 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 296 [2024-11-21 15:36:56,859 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:36:56,859 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 298 [2024-11-21 15:36:56,860 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:36:56,860 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 305 [2024-11-21 15:36:56,860 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:36:56,860 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 309 [2024-11-21 15:36:56,860 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:36:56,860 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 313 [2024-11-21 15:36:56,860 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:36:56,860 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 317 [2024-11-21 15:36:56,860 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:36:56,861 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 321 [2024-11-21 15:36:56,861 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:36:56,861 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 323 [2024-11-21 15:36:56,861 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:36:56,861 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 325 [2024-11-21 15:36:56,861 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:36:56,861 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 330 [2024-11-21 15:36:56,862 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:36:56,862 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 332 [2024-11-21 15:36:56,862 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:36:56,862 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:36:56,862 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:36:56,863 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:36:56,863 INFO L85 PathProgramCache]: Analyzing trace with hash 1912787846, now seen corresponding path program 12 times [2024-11-21 15:36:56,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:36:56,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575448456] [2024-11-21 15:36:56,863 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:36:56,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:36:57,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:37:01,860 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 941 proven. 571 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:37:01,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:37:01,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575448456] [2024-11-21 15:37:01,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575448456] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:37:01,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [150708957] [2024-11-21 15:37:01,861 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-21 15:37:01,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:37:01,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:37:01,862 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 15:37:01,863 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 15:37:07,007 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 17 check-sat command(s) [2024-11-21 15:37:07,007 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:37:07,022 INFO L256 TraceCheckSpWp]: Trace formula consists of 1577 conjuncts, 70 conjuncts are in the unsatisfiable core [2024-11-21 15:37:07,028 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:37:10,771 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 951 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:37:10,772 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:37:13,829 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 984 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:37:13,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [150708957] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:37:13,829 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:37:13,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [68, 67, 67] total 169 [2024-11-21 15:37:13,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285480904] [2024-11-21 15:37:13,829 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:37:13,830 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 170 states [2024-11-21 15:37:13,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:37:13,833 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 170 interpolants. [2024-11-21 15:37:13,836 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5260, Invalid=23470, Unknown=0, NotChecked=0, Total=28730 [2024-11-21 15:37:13,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:37:13,836 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:37:13,837 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 170 states, 170 states have (on average 5.264705882352941) internal successors, (895), 169 states have internal predecessors, (895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:37:13,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:37:13,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:37:13,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:37:13,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:37:13,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:37:13,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:37:13,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 15:37:13,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:37:13,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-11-21 15:37:13,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-11-21 15:37:13,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:37:13,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-11-21 15:37:13,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-11-21 15:37:13,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:37:16,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:37:16,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:37:16,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:37:16,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:37:16,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:37:16,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:37:16,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 15:37:16,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:37:16,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-21 15:37:16,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-21 15:37:16,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:37:16,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-11-21 15:37:16,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-11-21 15:37:16,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-11-21 15:37:16,856 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 15:37:17,034 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,SelfDestructingSolverStorable20,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:37:17,035 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 15:37:17,035 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:37:17,035 INFO L139 ounterexampleChecker]: Examining path program with hash -685395454, occurence #3 [2024-11-21 15:37:17,035 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:37:17,035 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:37:17,035 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:37:17,035 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2024-11-21 15:37:17,035 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:37:17,035 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2024-11-21 15:37:17,036 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:37:17,036 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2024-11-21 15:37:17,036 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:37:17,036 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2024-11-21 15:37:17,036 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:37:17,036 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 47 [2024-11-21 15:37:17,036 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:37:17,036 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 49 [2024-11-21 15:37:17,036 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:37:17,036 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 214 [2024-11-21 15:37:17,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:37:17,050 INFO L85 PathProgramCache]: Analyzing trace with hash 1847337090, now seen corresponding path program 1 times [2024-11-21 15:37:17,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:37:17,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964976618] [2024-11-21 15:37:17,050 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:37:17,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:37:17,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 15:37:17,734 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-21 15:37:17,735 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-21 15:37:17,735 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 259 [2024-11-21 15:37:17,735 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:37:17,735 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 286 [2024-11-21 15:37:17,735 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:37:17,735 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 298 [2024-11-21 15:37:17,736 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:37:17,736 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 300 [2024-11-21 15:37:17,736 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:37:17,736 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 307 [2024-11-21 15:37:17,736 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:37:17,736 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 311 [2024-11-21 15:37:17,736 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:37:17,736 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 315 [2024-11-21 15:37:17,736 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:37:17,736 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 319 [2024-11-21 15:37:17,736 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:37:17,737 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 323 [2024-11-21 15:37:17,737 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:37:17,737 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 325 [2024-11-21 15:37:17,738 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:37:17,738 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 327 [2024-11-21 15:37:17,738 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:37:17,738 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 332 [2024-11-21 15:37:17,738 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:37:17,738 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 334 [2024-11-21 15:37:17,738 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:37:17,738 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:37:17,738 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:37:17,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:37:17,739 INFO L85 PathProgramCache]: Analyzing trace with hash -1205806906, now seen corresponding path program 13 times [2024-11-21 15:37:17,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:37:17,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078868643] [2024-11-21 15:37:17,739 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:37:17,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:37:17,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:37:23,129 INFO L134 CoverageAnalysis]: Checked inductivity of 1579 backedges. 611 proven. 968 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:37:23,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:37:23,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078868643] [2024-11-21 15:37:23,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078868643] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:37:23,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [285443449] [2024-11-21 15:37:23,130 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-21 15:37:23,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:37:23,130 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:37:23,132 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 15:37:23,133 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 15:37:23,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:37:23,469 INFO L256 TraceCheckSpWp]: Trace formula consists of 1595 conjuncts, 65 conjuncts are in the unsatisfiable core [2024-11-21 15:37:23,474 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:37:26,510 INFO L134 CoverageAnalysis]: Checked inductivity of 1579 backedges. 47 proven. 934 refuted. 0 times theorem prover too weak. 598 trivial. 0 not checked. [2024-11-21 15:37:26,510 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:37:27,304 INFO L134 CoverageAnalysis]: Checked inductivity of 1579 backedges. 47 proven. 329 refuted. 0 times theorem prover too weak. 1203 trivial. 0 not checked. [2024-11-21 15:37:27,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [285443449] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:37:27,304 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:37:27,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [81, 66, 13] total 155 [2024-11-21 15:37:27,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813128780] [2024-11-21 15:37:27,305 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:37:27,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 155 states [2024-11-21 15:37:27,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:37:27,307 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 155 interpolants. [2024-11-21 15:37:27,309 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2090, Invalid=21780, Unknown=0, NotChecked=0, Total=23870 [2024-11-21 15:37:27,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:37:27,309 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:37:27,310 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 155 states, 155 states have (on average 4.748387096774193) internal successors, (736), 155 states have internal predecessors, (736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:37:27,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:37:27,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:37:27,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:37:27,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:37:27,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:37:27,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:37:27,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 15:37:27,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:37:27,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-11-21 15:37:27,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-11-21 15:37:27,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:37:27,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-11-21 15:37:27,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-11-21 15:37:27,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2024-11-21 15:37:27,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:37:40,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:37:40,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:37:40,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:37:40,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:37:40,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:37:40,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:37:40,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 15:37:40,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:37:40,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-21 15:37:40,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-21 15:37:40,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:37:40,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-11-21 15:37:40,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-11-21 15:37:40,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-11-21 15:37:40,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2024-11-21 15:37:40,698 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 15:37:40,880 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,SelfDestructingSolverStorable21,SelfDestructingSolverStorable22 [2024-11-21 15:37:40,880 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 15:37:40,880 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:37:40,880 INFO L139 ounterexampleChecker]: Examining path program with hash 1282810733, occurence #1 [2024-11-21 15:37:40,880 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 15:37:40,880 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:37:40,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:37:40,881 INFO L85 PathProgramCache]: Analyzing trace with hash 1081688391, now seen corresponding path program 14 times [2024-11-21 15:37:40,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:37:40,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310435498] [2024-11-21 15:37:40,881 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:37:40,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:37:41,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:37:52,444 INFO L134 CoverageAnalysis]: Checked inductivity of 3495 backedges. 2825 proven. 670 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:37:52,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:37:52,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310435498] [2024-11-21 15:37:52,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1310435498] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:37:52,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [915460286] [2024-11-21 15:37:52,444 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 15:37:52,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:37:52,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:37:52,446 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 15:37:52,447 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 15:37:52,866 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-21 15:37:52,867 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:37:52,881 INFO L256 TraceCheckSpWp]: Trace formula consists of 2120 conjuncts, 101 conjuncts are in the unsatisfiable core [2024-11-21 15:37:52,887 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:38:00,517 INFO L134 CoverageAnalysis]: Checked inductivity of 3495 backedges. 50 proven. 2850 refuted. 0 times theorem prover too weak. 595 trivial. 0 not checked. [2024-11-21 15:38:00,517 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:38:02,073 INFO L134 CoverageAnalysis]: Checked inductivity of 3495 backedges. 50 proven. 623 refuted. 0 times theorem prover too weak. 2822 trivial. 0 not checked. [2024-11-21 15:38:02,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [915460286] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:38:02,074 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:38:02,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [137, 102, 15] total 251 [2024-11-21 15:38:02,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698963201] [2024-11-21 15:38:02,074 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:38:02,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 251 states [2024-11-21 15:38:02,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:38:02,077 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 251 interpolants. [2024-11-21 15:38:02,081 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6291, Invalid=56459, Unknown=0, NotChecked=0, Total=62750 [2024-11-21 15:38:02,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:38:02,081 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:38:02,082 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 251 states, 251 states have (on average 4.159362549800797) internal successors, (1044), 251 states have internal predecessors, (1044), 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 15:38:02,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:38:02,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:38:02,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:38:02,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:38:02,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:38:02,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:38:02,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 15:38:02,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:38:02,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-11-21 15:38:02,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-11-21 15:38:02,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:38:02,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-11-21 15:38:02,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-11-21 15:38:02,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2024-11-21 15:38:02,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 152 states. [2024-11-21 15:38:02,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:38:19,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:38:19,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:38:19,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:38:19,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:38:19,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:38:19,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:38:19,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 15:38:19,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:38:19,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-21 15:38:19,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-21 15:38:19,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:38:19,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-11-21 15:38:19,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-11-21 15:38:19,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-11-21 15:38:19,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 155 states. [2024-11-21 15:38:19,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 182 states. [2024-11-21 15:38:19,400 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 15:38:19,581 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,SelfDestructingSolverStorable23 [2024-11-21 15:38:19,581 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 15:38:19,581 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:38:19,582 INFO L139 ounterexampleChecker]: Examining path program with hash 2077730430, occurence #1 [2024-11-21 15:38:19,582 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 15:38:19,582 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:38:19,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:38:19,582 INFO L85 PathProgramCache]: Analyzing trace with hash -938669215, now seen corresponding path program 15 times [2024-11-21 15:38:19,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:38:19,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906185710] [2024-11-21 15:38:19,583 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:38:19,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:38:19,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:38:39,396 INFO L134 CoverageAnalysis]: Checked inductivity of 7054 backedges. 6312 proven. 742 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:38:39,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:38:39,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906185710] [2024-11-21 15:38:39,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906185710] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:38:39,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1777744284] [2024-11-21 15:38:39,396 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-21 15:38:39,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:38:39,396 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:38:39,398 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 15:38:39,399 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 15:38:48,978 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 29 check-sat command(s) [2024-11-21 15:38:48,978 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:38:49,003 INFO L256 TraceCheckSpWp]: Trace formula consists of 2699 conjuncts, 140 conjuncts are in the unsatisfiable core [2024-11-21 15:38:49,011 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:39:02,984 INFO L134 CoverageAnalysis]: Checked inductivity of 7054 backedges. 0 proven. 6424 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2024-11-21 15:39:02,984 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:39:04,786 INFO L134 CoverageAnalysis]: Checked inductivity of 7054 backedges. 175 proven. 650 refuted. 0 times theorem prover too weak. 6229 trivial. 0 not checked. [2024-11-21 15:39:04,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1777744284] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:39:04,786 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:39:04,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [176, 141, 13] total 327 [2024-11-21 15:39:04,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271709626] [2024-11-21 15:39:04,787 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:39:04,788 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 327 states [2024-11-21 15:39:04,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:39:04,792 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 327 interpolants. [2024-11-21 15:39:04,802 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11433, Invalid=95169, Unknown=0, NotChecked=0, Total=106602 [2024-11-21 15:39:04,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:39:04,803 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:39:04,804 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 327 states, 327 states have (on average 4.143730886850153) internal successors, (1355), 327 states have internal predecessors, (1355), 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 15:39:04,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:39:04,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:39:04,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:39:04,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:39:04,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:39:04,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:39:04,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 15:39:04,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:39:04,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-11-21 15:39:04,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-11-21 15:39:04,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:39:04,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-11-21 15:39:04,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-11-21 15:39:04,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2024-11-21 15:39:04,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 155 states. [2024-11-21 15:39:04,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 182 states. [2024-11-21 15:39:04,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:39:30,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:39:30,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:39:30,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:39:30,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:39:30,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:39:30,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:39:30,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 15:39:30,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:39:30,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-21 15:39:30,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-21 15:39:30,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:39:30,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-11-21 15:39:30,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-11-21 15:39:30,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-11-21 15:39:30,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 155 states. [2024-11-21 15:39:30,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 182 states. [2024-11-21 15:39:30,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 206 states. [2024-11-21 15:39:30,828 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 15:39:30,986 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-11-21 15:39:30,987 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 15:39:30,987 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:39:30,988 INFO L139 ounterexampleChecker]: Examining path program with hash -793011210, occurence #2 [2024-11-21 15:39:30,988 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:39:30,988 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:39:30,988 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:39:30,988 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2024-11-21 15:39:30,988 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:39:30,988 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2024-11-21 15:39:30,988 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:39:30,988 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42 [2024-11-21 15:39:30,988 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:39:30,988 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 47 [2024-11-21 15:39:30,988 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:39:30,988 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 49 [2024-11-21 15:39:30,988 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:39:30,988 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2024-11-21 15:39:30,988 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:39:30,989 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 553 [2024-11-21 15:39:30,989 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:39:30,989 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 620 [2024-11-21 15:39:30,989 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:39:30,989 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 627 [2024-11-21 15:39:30,989 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:39:30,989 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 630 [2024-11-21 15:39:30,989 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:39:30,989 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 637 [2024-11-21 15:39:30,989 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:39:30,989 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 641 [2024-11-21 15:39:30,989 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:39:30,989 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 645 [2024-11-21 15:39:30,989 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:39:30,989 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 649 [2024-11-21 15:39:30,989 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:39:30,989 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 653 [2024-11-21 15:39:30,989 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:39:30,989 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 657 [2024-11-21 15:39:30,989 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:39:30,989 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 661 [2024-11-21 15:39:30,989 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:39:30,990 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 665 [2024-11-21 15:39:30,990 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:39:30,990 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 667 [2024-11-21 15:39:30,990 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:39:30,990 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 669 [2024-11-21 15:39:30,990 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:39:30,990 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 674 [2024-11-21 15:39:30,990 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:39:30,990 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 676 [2024-11-21 15:39:30,990 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:39:30,990 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:39:30,990 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:39:30,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:39:30,991 INFO L85 PathProgramCache]: Analyzing trace with hash -1979821541, now seen corresponding path program 16 times [2024-11-21 15:39:30,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:39:30,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733337548] [2024-11-21 15:39:30,991 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:39:30,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:39:31,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:39:53,807 INFO L134 CoverageAnalysis]: Checked inductivity of 8114 backedges. 7328 proven. 786 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:39:53,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:39:53,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733337548] [2024-11-21 15:39:53,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [733337548] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:39:53,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [697373563] [2024-11-21 15:39:53,808 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-21 15:39:53,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:39:53,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:39:53,810 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 15:39:53,811 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 15:39:54,215 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-21 15:39:54,216 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:39:54,225 INFO L256 TraceCheckSpWp]: Trace formula consists of 1133 conjuncts, 151 conjuncts are in the unsatisfiable core [2024-11-21 15:39:54,236 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:40:09,694 INFO L134 CoverageAnalysis]: Checked inductivity of 8114 backedges. 128 proven. 7320 refuted. 0 times theorem prover too weak. 666 trivial. 0 not checked. [2024-11-21 15:40:09,694 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:40:12,360 INFO L134 CoverageAnalysis]: Checked inductivity of 8114 backedges. 128 proven. 621 refuted. 0 times theorem prover too weak. 7365 trivial. 0 not checked. [2024-11-21 15:40:12,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [697373563] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:40:12,360 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:40:12,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [189, 152, 19] total 357 [2024-11-21 15:40:12,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769449933] [2024-11-21 15:40:12,360 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:40:12,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 357 states [2024-11-21 15:40:12,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:40:12,365 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 357 interpolants. [2024-11-21 15:40:12,374 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12902, Invalid=114190, Unknown=0, NotChecked=0, Total=127092 [2024-11-21 15:40:12,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:40:12,374 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:40:12,375 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 357 states, 357 states have (on average 4.103641456582633) internal successors, (1465), 357 states have internal predecessors, (1465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:40:12,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:40:12,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:40:12,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:40:12,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:40:12,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:40:12,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:40:12,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 15:40:12,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:40:12,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-11-21 15:40:12,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-11-21 15:40:12,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:40:12,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-11-21 15:40:12,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-11-21 15:40:12,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2024-11-21 15:40:12,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 155 states. [2024-11-21 15:40:12,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 182 states. [2024-11-21 15:40:12,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 206 states. [2024-11-21 15:40:12,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:40:40,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:40:40,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:40:40,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:40:40,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:40:40,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:40:40,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:40:40,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 15:40:40,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:40:40,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-21 15:40:40,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-21 15:40:40,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:40:40,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-11-21 15:40:40,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-11-21 15:40:40,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-11-21 15:40:40,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 155 states. [2024-11-21 15:40:40,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 182 states. [2024-11-21 15:40:40,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 206 states. [2024-11-21 15:40:40,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 232 states. [2024-11-21 15:40:40,465 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-21 15:40:40,649 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,18 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:40:40,649 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 15:40:40,649 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:40:40,650 INFO L139 ounterexampleChecker]: Examining path program with hash 2077730430, occurence #2 [2024-11-21 15:40:40,650 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:40:40,650 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:40:40,650 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:40:40,650 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2024-11-21 15:40:40,650 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:40:40,650 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2024-11-21 15:40:40,650 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:40:40,650 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2024-11-21 15:40:40,650 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:40:40,650 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-11-21 15:40:40,650 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:40:40,651 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 50 [2024-11-21 15:40:40,651 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:40:40,651 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2024-11-21 15:40:40,651 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:40:40,651 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 726 [2024-11-21 15:40:40,651 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:40:40,651 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 805 [2024-11-21 15:40:40,651 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:40:40,651 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 812 [2024-11-21 15:40:40,651 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:40:40,651 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 815 [2024-11-21 15:40:40,651 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:40:40,651 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 822 [2024-11-21 15:40:40,651 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:40:40,651 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 826 [2024-11-21 15:40:40,651 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:40:40,651 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 830 [2024-11-21 15:40:40,651 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:40:40,651 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 834 [2024-11-21 15:40:40,652 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:40:40,652 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 838 [2024-11-21 15:40:40,652 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:40:40,652 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 842 [2024-11-21 15:40:40,652 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:40:40,652 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 846 [2024-11-21 15:40:40,652 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:40:40,652 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 850 [2024-11-21 15:40:40,652 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:40:40,652 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 852 [2024-11-21 15:40:40,652 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:40:40,652 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 854 [2024-11-21 15:40:40,652 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:40:40,652 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 859 [2024-11-21 15:40:40,652 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:40:40,652 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 861 [2024-11-21 15:40:40,652 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:40:40,652 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:40:40,652 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:40:40,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:40:40,653 INFO L85 PathProgramCache]: Analyzing trace with hash -1842687331, now seen corresponding path program 17 times [2024-11-21 15:40:40,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:40:40,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515557243] [2024-11-21 15:40:40,653 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:40:40,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:40:40,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:41:20,126 INFO L134 CoverageAnalysis]: Checked inductivity of 13847 backedges. 12984 proven. 863 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:41:20,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:41:20,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515557243] [2024-11-21 15:41:20,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515557243] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:41:20,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1866295596] [2024-11-21 15:41:20,127 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-21 15:41:20,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:41:20,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:41:20,129 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 15:41:20,130 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