./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1f73d82f Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 14a9c1cac7f040ebf84fc8e1c821294cab75b8332a1643f6e05ef67dfff453ec --- Real Ultimate output --- This is Ultimate 0.3.0-dev-1f73d82-m [2024-11-21 12:14:02,557 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-21 12:14:02,663 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-11-21 12:14:02,669 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-21 12:14:02,670 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-21 12:14:02,696 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-21 12:14:02,698 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-21 12:14:02,698 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-21 12:14:02,698 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-21 12:14:02,698 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-21 12:14:02,699 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-21 12:14:02,699 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-21 12:14:02,699 INFO L153 SettingsManager]: * Use SBE=true [2024-11-21 12:14:02,699 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-21 12:14:02,701 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-21 12:14:02,701 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-21 12:14:02,701 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-21 12:14:02,701 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-21 12:14:02,701 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-21 12:14:02,701 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-21 12:14:02,701 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-21 12:14:02,702 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-21 12:14:02,702 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-21 12:14:02,702 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-21 12:14:02,702 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-21 12:14:02,702 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-21 12:14:02,702 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-21 12:14:02,702 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-21 12:14:02,702 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-21 12:14:02,702 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-21 12:14:02,703 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-21 12:14:02,703 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-21 12:14:02,703 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-21 12:14:02,703 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-21 12:14:02,703 INFO L153 SettingsManager]: * Commutativity condition synthesis=SUFFICIENT [2024-11-21 12:14:02,703 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-21 12:14:02,703 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-21 12:14:02,703 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-11-21 12:14:02,703 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-21 12:14:02,703 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-21 12:14:02,703 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-21 12:14:02,703 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-21 12:14:02,703 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-21 12:14:02,703 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14a9c1cac7f040ebf84fc8e1c821294cab75b8332a1643f6e05ef67dfff453ec [2024-11-21 12:14:02,987 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-21 12:14:02,997 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-21 12:14:02,999 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-21 12:14:03,000 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-21 12:14:03,001 INFO L274 PluginConnector]: CDTParser initialized [2024-11-21 12:14:03,002 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c [2024-11-21 12:14:04,320 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/502264990/756633041a404e928779c5831be38e3e/FLAG22dbb971a [2024-11-21 12:14:04,534 INFO L384 CDTParser]: Found 1 translation units. [2024-11-21 12:14:04,535 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c [2024-11-21 12:14:04,545 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/502264990/756633041a404e928779c5831be38e3e/FLAG22dbb971a [2024-11-21 12:14:04,566 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/502264990/756633041a404e928779c5831be38e3e [2024-11-21 12:14:04,568 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-21 12:14:04,569 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-21 12:14:04,571 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-21 12:14:04,571 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-21 12:14:04,574 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-21 12:14:04,575 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:14:04" (1/1) ... [2024-11-21 12:14:04,575 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5618afaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:14:04, skipping insertion in model container [2024-11-21 12:14:04,577 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:14:04" (1/1) ... [2024-11-21 12:14:04,591 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-21 12:14:04,751 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c[2297,2310] [2024-11-21 12:14:04,765 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 12:14:04,773 INFO L200 MainTranslator]: Completed pre-run [2024-11-21 12:14:04,796 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c[2297,2310] [2024-11-21 12:14:04,800 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 12:14:04,820 INFO L204 MainTranslator]: Completed translation [2024-11-21 12:14:04,821 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:14:04 WrapperNode [2024-11-21 12:14:04,821 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-21 12:14:04,822 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-21 12:14:04,823 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-21 12:14:04,823 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-21 12:14:04,828 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:14:04" (1/1) ... [2024-11-21 12:14:04,833 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:14:04" (1/1) ... [2024-11-21 12:14:04,856 INFO L138 Inliner]: procedures = 25, calls = 26, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 129 [2024-11-21 12:14:04,856 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-21 12:14:04,857 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-21 12:14:04,857 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-21 12:14:04,857 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-21 12:14:04,865 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:14:04" (1/1) ... [2024-11-21 12:14:04,866 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:14:04" (1/1) ... [2024-11-21 12:14:04,868 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:14:04" (1/1) ... [2024-11-21 12:14:04,868 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:14:04" (1/1) ... [2024-11-21 12:14:04,877 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:14:04" (1/1) ... [2024-11-21 12:14:04,877 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:14:04" (1/1) ... [2024-11-21 12:14:04,880 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:14:04" (1/1) ... [2024-11-21 12:14:04,882 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:14:04" (1/1) ... [2024-11-21 12:14:04,883 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:14:04" (1/1) ... [2024-11-21 12:14:04,888 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-21 12:14:04,889 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-21 12:14:04,890 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-21 12:14:04,890 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-21 12:14:04,891 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:14:04" (1/1) ... [2024-11-21 12:14:04,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-21 12:14:04,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 12:14:04,918 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 12:14:04,919 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 12:14:04,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-21 12:14:04,939 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-21 12:14:04,939 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-21 12:14:04,939 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-21 12:14:04,939 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-21 12:14:04,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-21 12:14:04,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-21 12:14:04,939 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-21 12:14:04,939 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-21 12:14:04,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-21 12:14:04,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-21 12:14:04,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-21 12:14:04,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-21 12:14:04,940 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 12:14:05,027 INFO L234 CfgBuilder]: Building ICFG [2024-11-21 12:14:05,029 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-21 12:14:05,241 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-21 12:14:05,242 INFO L283 CfgBuilder]: Performing block encoding [2024-11-21 12:14:05,491 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-21 12:14:05,492 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-21 12:14:05,492 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:14:05 BoogieIcfgContainer [2024-11-21 12:14:05,492 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-21 12:14:05,495 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-21 12:14:05,495 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-21 12:14:05,499 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-21 12:14:05,500 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 12:14:04" (1/3) ... [2024-11-21 12:14:05,501 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12cb44ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:14:05, skipping insertion in model container [2024-11-21 12:14:05,501 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:14:04" (2/3) ... [2024-11-21 12:14:05,501 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12cb44ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:14:05, skipping insertion in model container [2024-11-21 12:14:05,501 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:14:05" (3/3) ... [2024-11-21 12:14:05,502 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-bad-counter-queue2.wvr.c [2024-11-21 12:14:05,515 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-21 12:14:05,517 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-bad-counter-queue2.wvr.c that has 3 procedures, 22 locations, 1 initial locations, 3 loop locations, and 1 error locations. [2024-11-21 12:14:05,518 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-21 12:14:05,568 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-21 12:14:05,611 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 12:14:05,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-21 12:14:05,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 12:14:05,615 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 12:14:05,617 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 12:14:05,697 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-21 12:14:05,711 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-21 12:14:05,719 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;@7bd71c8a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 12:14:05,719 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-21 12:14:06,006 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 12:14:06,008 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:14:06,008 INFO L139 ounterexampleChecker]: Examining path program with hash -1064160937, occurence #1 [2024-11-21 12:14:06,009 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 12:14:06,009 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:14:06,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:14:06,013 INFO L85 PathProgramCache]: Analyzing trace with hash 897563434, now seen corresponding path program 1 times [2024-11-21 12:14:06,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:14:06,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858768654] [2024-11-21 12:14:06,022 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:14:06,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:14:06,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:14:06,388 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 12:14:06,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:14:06,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858768654] [2024-11-21 12:14:06,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858768654] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 12:14:06,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 12:14:06,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-21 12:14:06,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294035825] [2024-11-21 12:14:06,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 12:14:06,396 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-21 12:14:06,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:14:06,412 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-21 12:14:06,413 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-21 12:14:06,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:14:06,414 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:14:06,415 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 12:14:06,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:14:06,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:14:06,487 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-21 12:14:06,487 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 12:14:06,487 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:14:06,487 INFO L139 ounterexampleChecker]: Examining path program with hash -1064160937, occurence #2 [2024-11-21 12:14:06,487 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 12:14:06,487 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 12:14:06,488 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:14:06,488 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2024-11-21 12:14:06,511 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:14:06,511 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-11-21 12:14:06,511 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:14:06,511 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-11-21 12:14:06,511 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:14:06,512 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 12:14:06,512 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:14:06,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:14:06,512 INFO L85 PathProgramCache]: Analyzing trace with hash 869066877, now seen corresponding path program 1 times [2024-11-21 12:14:06,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:14:06,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220584440] [2024-11-21 12:14:06,512 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:14:06,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:14:06,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:14:06,703 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 12:14:06,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:14:06,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220584440] [2024-11-21 12:14:06,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220584440] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:14:06,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1711285560] [2024-11-21 12:14:06,704 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:14:06,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:14:06,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 12:14:06,707 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 12:14:06,708 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 12:14:06,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:14:06,789 INFO L256 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-21 12:14:06,792 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:14:06,862 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 12:14:06,862 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 12:14:06,913 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:14:06,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1711285560] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-21 12:14:06,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-21 12:14:06,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4, 4] total 8 [2024-11-21 12:14:06,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596239749] [2024-11-21 12:14:06,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 12:14:06,915 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-21 12:14:06,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:14:06,915 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-21 12:14:06,916 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-21 12:14:06,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:14:06,916 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:14:06,916 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 12:14:06,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:14:06,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:14:07,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:14:07,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:14:07,030 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-21 12:14:07,213 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:14:07,213 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 12:14:07,213 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:14:07,214 INFO L139 ounterexampleChecker]: Examining path program with hash -34102739, occurence #1 [2024-11-21 12:14:07,214 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 12:14:07,214 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:14:07,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:14:07,214 INFO L85 PathProgramCache]: Analyzing trace with hash 481900920, now seen corresponding path program 1 times [2024-11-21 12:14:07,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:14:07,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172592498] [2024-11-21 12:14:07,214 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:14:07,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:14:07,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:14:07,433 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:14:07,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:14:07,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172592498] [2024-11-21 12:14:07,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172592498] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:14:07,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [862577409] [2024-11-21 12:14:07,433 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:14:07,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:14:07,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 12:14:07,437 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 12:14:07,439 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 12:14:07,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:14:07,529 INFO L256 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-21 12:14:07,531 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:14:07,662 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:14:07,662 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 12:14:07,736 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:14:07,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [862577409] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 12:14:07,737 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 12:14:07,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2024-11-21 12:14:07,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669385902] [2024-11-21 12:14:07,740 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 12:14:07,740 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-21 12:14:07,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:14:07,741 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-21 12:14:07,741 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2024-11-21 12:14:07,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:14:07,741 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:14:07,741 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.5714285714285716) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 12:14:07,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:14:07,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:14:07,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:14:07,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:14:07,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:14:07,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:14:07,863 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 12:14:08,049 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:14:08,050 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 12:14:08,050 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:14:08,050 INFO L139 ounterexampleChecker]: Examining path program with hash -34102739, occurence #2 [2024-11-21 12:14:08,050 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 12:14:08,050 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 12:14:08,050 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:14:08,050 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-11-21 12:14:08,051 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:14:08,051 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-11-21 12:14:08,051 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:14:08,051 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-11-21 12:14:08,051 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:14:08,051 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 12:14:08,051 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:14:08,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:14:08,051 INFO L85 PathProgramCache]: Analyzing trace with hash 548468933, now seen corresponding path program 2 times [2024-11-21 12:14:08,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:14:08,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386708726] [2024-11-21 12:14:08,052 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:14:08,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:14:08,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:14:08,243 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:14:08,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:14:08,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386708726] [2024-11-21 12:14:08,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386708726] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:14:08,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [544884727] [2024-11-21 12:14:08,243 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 12:14:08,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:14:08,244 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 12:14:08,246 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 12:14:08,247 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 12:14:08,325 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-21 12:14:08,325 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 12:14:08,326 INFO L256 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-21 12:14:08,327 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:14:08,440 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:14:08,440 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 12:14:08,523 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:14:08,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [544884727] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 12:14:08,524 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 12:14:08,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2024-11-21 12:14:08,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183261263] [2024-11-21 12:14:08,524 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 12:14:08,524 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-21 12:14:08,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:14:08,525 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-21 12:14:08,525 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2024-11-21 12:14:08,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:14:08,525 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:14:08,525 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.642857142857143) internal successors, (51), 13 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 12:14:08,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:14:08,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:14:08,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:14:08,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:14:08,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:14:08,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:14:08,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:14:08,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 12:14:08,801 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-21 12:14:08,989 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:14:08,990 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 12:14:08,990 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:14:08,990 INFO L139 ounterexampleChecker]: Examining path program with hash -34102739, occurence #3 [2024-11-21 12:14:08,990 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 12:14:08,990 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 12:14:08,990 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:14:08,990 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-11-21 12:14:08,990 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:14:08,990 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-11-21 12:14:08,990 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:14:08,991 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2024-11-21 12:14:08,991 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:14:08,991 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 12:14:08,991 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:14:08,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:14:08,991 INFO L85 PathProgramCache]: Analyzing trace with hash 319943616, now seen corresponding path program 3 times [2024-11-21 12:14:08,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:14:08,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86014826] [2024-11-21 12:14:08,991 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:14:08,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:14:09,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:14:09,186 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:14:09,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:14:09,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86014826] [2024-11-21 12:14:09,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86014826] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:14:09,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2074702302] [2024-11-21 12:14:09,187 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-21 12:14:09,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:14:09,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 12:14:09,189 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 12:14:09,191 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 12:14:09,272 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-21 12:14:09,273 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 12:14:09,274 INFO L256 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-21 12:14:09,277 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:14:09,427 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:14:09,427 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 12:14:09,530 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:14:09,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2074702302] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 12:14:09,530 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 12:14:09,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 18 [2024-11-21 12:14:09,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486101740] [2024-11-21 12:14:09,533 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 12:14:09,533 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-21 12:14:09,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:14:09,534 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-21 12:14:09,534 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=245, Unknown=0, NotChecked=0, Total=342 [2024-11-21 12:14:09,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:14:09,534 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:14:09,534 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.4210526315789473) internal successors, (65), 18 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 12:14:09,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:14:09,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:14:09,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:14:09,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 12:14:09,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:14:09,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:14:09,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:14:09,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:14:09,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 12:14:09,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:14:09,652 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 12:14:09,836 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:14:09,837 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 12:14:09,837 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:14:09,837 INFO L139 ounterexampleChecker]: Examining path program with hash -34102739, occurence #4 [2024-11-21 12:14:09,837 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 12:14:09,837 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 12:14:09,837 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:14:09,837 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2024-11-21 12:14:09,837 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:14:09,837 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-11-21 12:14:09,838 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:14:09,838 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-21 12:14:09,838 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:14:09,838 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 12:14:09,838 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:14:09,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:14:09,838 INFO L85 PathProgramCache]: Analyzing trace with hash 980407251, now seen corresponding path program 4 times [2024-11-21 12:14:09,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:14:09,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291029467] [2024-11-21 12:14:09,838 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:14:09,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:14:09,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:14:10,021 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:14:10,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:14:10,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291029467] [2024-11-21 12:14:10,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [291029467] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:14:10,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1661646723] [2024-11-21 12:14:10,022 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-21 12:14:10,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:14:10,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 12:14:10,025 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 12:14:10,026 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 12:14:10,087 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-21 12:14:10,087 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 12:14:10,088 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-21 12:14:10,089 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:14:10,223 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-21 12:14:10,223 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 12:14:10,297 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-21 12:14:10,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1661646723] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 12:14:10,298 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 12:14:10,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 6] total 18 [2024-11-21 12:14:10,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236925375] [2024-11-21 12:14:10,298 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 12:14:10,299 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-21 12:14:10,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:14:10,299 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-21 12:14:10,300 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2024-11-21 12:14:10,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:14:10,300 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:14:10,300 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.6666666666666665) internal successors, (66), 18 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 12:14:10,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:14:10,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:14:10,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:14:10,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 12:14:10,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:14:10,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:14:10,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:14:10,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:14:10,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:14:10,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 12:14:10,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:14:10,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-21 12:14:10,954 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 12:14:11,137 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-21 12:14:11,138 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 12:14:11,138 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:14:11,138 INFO L139 ounterexampleChecker]: Examining path program with hash 1112994618, occurence #1 [2024-11-21 12:14:11,138 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 12:14:11,138 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:14:11,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:14:11,138 INFO L85 PathProgramCache]: Analyzing trace with hash -876790656, now seen corresponding path program 5 times [2024-11-21 12:14:11,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:14:11,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76312608] [2024-11-21 12:14:11,139 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:14:11,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:14:11,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:14:11,581 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 20 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:14:11,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:14:11,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76312608] [2024-11-21 12:14:11,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76312608] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:14:11,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1761421119] [2024-11-21 12:14:11,581 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-21 12:14:11,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:14:11,582 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 12:14:11,584 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 12:14:11,585 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 12:14:11,679 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2024-11-21 12:14:11,679 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 12:14:11,681 INFO L256 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-21 12:14:11,683 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:14:11,916 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 43 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:14:11,917 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 12:14:12,144 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 43 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:14:12,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1761421119] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 12:14:12,144 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 12:14:12,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 11, 11] total 36 [2024-11-21 12:14:12,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234233980] [2024-11-21 12:14:12,145 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 12:14:12,145 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-11-21 12:14:12,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:14:12,146 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-11-21 12:14:12,146 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=238, Invalid=1094, Unknown=0, NotChecked=0, Total=1332 [2024-11-21 12:14:12,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:14:12,147 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:14:12,147 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 3.1621621621621623) internal successors, (117), 36 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 12:14:12,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:14:12,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:14:12,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:14:12,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 12:14:12,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:14:12,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-21 12:14:12,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:14:12,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:14:12,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:14:12,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:14:12,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 12:14:12,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:14:12,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-21 12:14:12,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 12:14:12,316 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 12:14:12,504 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:14:12,505 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 12:14:12,505 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:14:12,505 INFO L139 ounterexampleChecker]: Examining path program with hash 1112994618, occurence #2 [2024-11-21 12:14:12,505 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 12:14:12,505 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 12:14:12,505 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:14:12,505 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-11-21 12:14:12,505 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:14:12,505 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2024-11-21 12:14:12,505 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:14:12,505 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-21 12:14:12,505 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:14:12,505 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2024-11-21 12:14:12,635 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 12:14:12,636 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 95 treesize of output 39 [2024-11-21 12:14:17,915 WARN L331 ript$VariableManager]: TermVariable |v_thread1Thread1of1ForFork0_~i~0#1_In_1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:14:17,915 WARN L331 ript$VariableManager]: TermVariable v_~A~0.base_In_1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:14:17,915 WARN L331 ript$VariableManager]: TermVariable |v_thread2Thread1of1ForFork1_~i~1#1_In_1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:14:17,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:14:17,916 INFO L85 PathProgramCache]: Analyzing trace with hash -422608305, now seen corresponding path program 1 times [2024-11-21 12:14:17,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:14:17,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486316081] [2024-11-21 12:14:17,916 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:14:17,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:14:18,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 12:14:18,018 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-21 12:14:18,018 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-21 12:14:18,018 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2024-11-21 12:14:18,018 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:14:18,018 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 12:14:18,018 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:14:18,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:14:18,019 INFO L85 PathProgramCache]: Analyzing trace with hash 1390968544, now seen corresponding path program 6 times [2024-11-21 12:14:18,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:14:18,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033976735] [2024-11-21 12:14:18,019 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:14:18,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:14:18,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:14:21,652 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 1 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:14:21,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:14:21,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033976735] [2024-11-21 12:14:21,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033976735] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:14:21,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [543774891] [2024-11-21 12:14:21,652 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-21 12:14:21,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:14:21,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 12:14:21,655 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 12:14:21,657 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 12:14:21,755 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2024-11-21 12:14:21,755 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 12:14:21,758 INFO L256 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 90 conjuncts are in the unsatisfiable core [2024-11-21 12:14:21,761 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:14:21,971 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-21 12:14:23,131 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:14:23,131 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 12:14:24,737 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:14:24,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [543774891] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 12:14:24,738 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 12:14:24,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 29, 29] total 84 [2024-11-21 12:14:24,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563292533] [2024-11-21 12:14:24,738 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 12:14:24,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2024-11-21 12:14:24,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:14:24,740 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2024-11-21 12:14:24,743 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=666, Invalid=6474, Unknown=0, NotChecked=0, Total=7140 [2024-11-21 12:14:24,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:14:24,743 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:14:24,743 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 85 states have (on average 1.588235294117647) internal successors, (135), 84 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 12:14:24,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:14:24,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:14:24,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:14:24,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 12:14:24,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:14:24,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-21 12:14:24,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 12:14:24,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:14:27,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:14:27,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:14:27,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:14:27,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 12:14:27,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:14:27,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-21 12:14:27,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 12:14:27,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-21 12:14:27,663 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 12:14:27,850 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:14:27,850 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 12:14:27,850 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:14:27,851 INFO L139 ounterexampleChecker]: Examining path program with hash 1112994618, occurence #3 [2024-11-21 12:14:27,851 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 12:14:27,851 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 12:14:27,851 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:14:27,851 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-11-21 12:14:27,851 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:14:27,851 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-21 12:14:27,851 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:14:27,851 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2024-11-21 12:14:27,851 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:14:27,851 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2024-11-21 12:14:27,931 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 12:14:27,931 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 95 treesize of output 39 [2024-11-21 12:14:30,076 WARN L331 ript$VariableManager]: TermVariable v_~A~0.offset_In_2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:14:30,076 WARN L331 ript$VariableManager]: TermVariable |v_thread2Thread1of1ForFork1_~i~1#1_In_2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:14:30,076 WARN L331 ript$VariableManager]: TermVariable v_~A~0.base_In_2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:14:30,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:14:30,077 INFO L85 PathProgramCache]: Analyzing trace with hash -1959491698, now seen corresponding path program 1 times [2024-11-21 12:14:30,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:14:30,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6023592] [2024-11-21 12:14:30,077 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:14:30,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:14:30,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 12:14:30,112 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-21 12:14:30,112 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-21 12:14:30,113 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2024-11-21 12:14:30,113 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:14:30,113 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 12:14:30,113 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:14:30,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:14:30,113 INFO L85 PathProgramCache]: Analyzing trace with hash 1133998104, now seen corresponding path program 7 times [2024-11-21 12:14:30,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:14:30,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59674476] [2024-11-21 12:14:30,114 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:14:30,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:14:30,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:14:34,053 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 3 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:14:34,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:14:34,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59674476] [2024-11-21 12:14:34,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [59674476] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:14:34,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [126042288] [2024-11-21 12:14:34,054 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-21 12:14:34,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:14:34,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 12:14:34,057 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 12:14:34,058 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 12:14:34,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:14:34,159 INFO L256 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 75 conjuncts are in the unsatisfiable core [2024-11-21 12:14:34,161 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:14:35,007 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-21 12:14:35,007 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 12:14:36,470 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 12:14:36,470 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 122 treesize of output 365 [2024-11-21 12:14:38,402 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-21 12:14:38,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [126042288] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 12:14:38,402 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 12:14:38,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 25, 25] total 80 [2024-11-21 12:14:38,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564946573] [2024-11-21 12:14:38,403 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 12:14:38,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 81 states [2024-11-21 12:14:38,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:14:38,404 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2024-11-21 12:14:38,405 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=515, Invalid=5965, Unknown=0, NotChecked=0, Total=6480 [2024-11-21 12:14:38,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:14:38,406 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:14:38,406 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 81 states, 81 states have (on average 1.7160493827160495) internal successors, (139), 80 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 12:14:38,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:14:38,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:14:38,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:14:38,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 12:14:38,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:14:38,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-21 12:14:38,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 12:14:38,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-11-21 12:14:38,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:14:42,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:14:42,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:14:42,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:14:42,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 12:14:42,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:14:42,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-21 12:14:42,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 12:14:42,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-21 12:14:42,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-11-21 12:14:42,559 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-21 12:14:42,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,SelfDestructingSolverStorable9,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:14:42,748 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 12:14:42,748 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:14:42,749 INFO L139 ounterexampleChecker]: Examining path program with hash 1112994618, occurence #4 [2024-11-21 12:14:42,749 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 12:14:42,749 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 12:14:42,749 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:14:42,749 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-11-21 12:14:42,749 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:14:42,749 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-21 12:14:42,749 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:14:42,749 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2024-11-21 12:14:42,749 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:14:42,749 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-11-21 12:14:42,830 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 12:14:42,830 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 95 treesize of output 39 [2024-11-21 12:14:45,957 WARN L331 ript$VariableManager]: TermVariable v_~A~0.offset_In_3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:14:45,958 WARN L331 ript$VariableManager]: TermVariable v_~A~0.base_In_3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:14:45,958 WARN L331 ript$VariableManager]: TermVariable |v_thread2Thread1of1ForFork1_~i~1#1_In_3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:14:45,958 WARN L331 ript$VariableManager]: TermVariable |v_thread1Thread1of1ForFork0_~i~0#1_In_3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:14:45,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:14:45,959 INFO L85 PathProgramCache]: Analyzing trace with hash 1005348942, now seen corresponding path program 1 times [2024-11-21 12:14:45,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:14:45,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350529259] [2024-11-21 12:14:45,959 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:14:45,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:14:45,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:14:46,746 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 177 proven. 79 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:14:46,747 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 12:14:46,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350529259] [2024-11-21 12:14:46,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350529259] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:14:46,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [857761314] [2024-11-21 12:14:46,747 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:14:46,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:14:46,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:14:46,777 INFO L256 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-21 12:14:46,780 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:14:47,630 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 234 proven. 21 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 12:14:47,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [857761314] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:14:47,630 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 12:14:47,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 29] total 58 [2024-11-21 12:14:47,631 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 12:14:47,631 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 82 [2024-11-21 12:14:47,631 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:14:47,631 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 12:14:47,631 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:14:47,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:14:47,632 INFO L85 PathProgramCache]: Analyzing trace with hash -1674640559, now seen corresponding path program 8 times [2024-11-21 12:14:47,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:14:47,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707529159] [2024-11-21 12:14:47,632 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:14:47,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:14:47,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:14:48,445 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 212 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:14:48,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:14:48,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707529159] [2024-11-21 12:14:48,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707529159] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:14:48,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1785065583] [2024-11-21 12:14:48,445 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 12:14:48,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:14:48,446 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 12:14:48,448 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 12:14:48,450 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 12:14:48,572 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-21 12:14:48,573 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 12:14:48,578 INFO L256 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-21 12:14:48,580 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:14:48,967 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 244 proven. 21 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-21 12:14:48,968 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 12:14:49,282 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 244 proven. 21 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-21 12:14:49,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1785065583] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 12:14:49,282 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 12:14:49,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 16, 16] total 60 [2024-11-21 12:14:49,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005719721] [2024-11-21 12:14:49,282 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 12:14:49,283 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2024-11-21 12:14:49,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:14:49,283 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2024-11-21 12:14:49,284 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=594, Invalid=3066, Unknown=0, NotChecked=0, Total=3660 [2024-11-21 12:14:49,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:14:49,284 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:14:49,285 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 61 states have (on average 3.1147540983606556) internal successors, (190), 60 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 12:14:49,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:14:49,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:14:49,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:14:49,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 12:14:49,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:14:49,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-21 12:14:49,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 12:14:49,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-11-21 12:14:49,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-11-21 12:14:49,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:14:49,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:14:49,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:14:49,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:14:49,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 12:14:49,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:14:49,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-21 12:14:49,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 12:14:49,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-21 12:14:49,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-11-21 12:14:49,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 12:14:49,478 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-21 12:14:49,662 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,11 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12,SelfDestructingSolverStorable13 [2024-11-21 12:14:49,663 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 12:14:49,663 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:14:49,663 INFO L139 ounterexampleChecker]: Examining path program with hash 1112994618, occurence #5 [2024-11-21 12:14:49,663 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 12:14:49,663 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 12:14:49,663 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:14:49,663 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-11-21 12:14:49,663 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:14:49,663 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-11-21 12:14:49,663 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:14:49,663 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 72 [2024-11-21 12:14:49,663 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:14:49,663 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2024-11-21 12:14:49,750 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 12:14:49,751 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 95 treesize of output 39 [2024-11-21 12:14:53,018 WARN L331 ript$VariableManager]: TermVariable v_~A~0.base_In_4 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:14:53,019 WARN L331 ript$VariableManager]: TermVariable |v_thread2Thread1of1ForFork1_~i~1#1_In_4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:14:53,019 WARN L331 ript$VariableManager]: TermVariable |v_thread1Thread1of1ForFork0_~i~0#1_In_4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:14:53,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:14:53,019 INFO L85 PathProgramCache]: Analyzing trace with hash 1345215070, now seen corresponding path program 1 times [2024-11-21 12:14:53,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:14:53,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100516803] [2024-11-21 12:14:53,020 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:14:53,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:14:53,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:14:53,681 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 177 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:14:53,681 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 12:14:53,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100516803] [2024-11-21 12:14:53,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100516803] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:14:53,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [2058336931] [2024-11-21 12:14:53,681 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:14:53,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:14:53,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:14:53,707 INFO L256 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-21 12:14:53,709 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:14:54,620 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 234 proven. 28 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 12:14:54,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [2058336931] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:14:54,621 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 12:14:54,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 30] total 60 [2024-11-21 12:14:54,621 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 12:14:54,621 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 83 [2024-11-21 12:14:54,621 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:14:54,621 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 12:14:54,621 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:14:54,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:14:54,621 INFO L85 PathProgramCache]: Analyzing trace with hash 1337805278, now seen corresponding path program 9 times [2024-11-21 12:14:54,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:14:54,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20343820] [2024-11-21 12:14:54,622 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:14:54,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:14:54,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:14:55,325 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 212 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:14:55,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:14:55,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20343820] [2024-11-21 12:14:55,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20343820] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:14:55,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [824063038] [2024-11-21 12:14:55,326 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-21 12:14:55,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:14:55,326 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 12:14:55,328 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 12:14:55,328 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 12:14:55,465 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-21 12:14:55,465 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 12:14:55,467 INFO L256 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-21 12:14:55,468 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:14:55,904 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 281 proven. 28 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-21 12:14:55,904 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 12:14:56,363 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 281 proven. 28 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-21 12:14:56,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [824063038] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 12:14:56,363 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 12:14:56,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 20, 20] total 70 [2024-11-21 12:14:56,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521689931] [2024-11-21 12:14:56,363 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 12:14:56,364 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 71 states [2024-11-21 12:14:56,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:14:56,365 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2024-11-21 12:14:56,366 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=822, Invalid=4148, Unknown=0, NotChecked=0, Total=4970 [2024-11-21 12:14:56,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:14:56,366 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:14:56,366 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 71 states, 71 states have (on average 3.267605633802817) internal successors, (232), 70 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 12:14:56,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:14:56,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:14:56,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:14:56,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 12:14:56,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:14:56,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-21 12:14:56,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 12:14:56,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-11-21 12:14:56,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-11-21 12:14:56,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 12:14:56,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:14:56,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:14:56,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:14:56,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:14:56,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 12:14:56,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:14:56,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-21 12:14:56,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 12:14:56,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-21 12:14:56,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-11-21 12:14:56,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 12:14:56,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 12:14:56,517 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 12:14:56,705 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15,SelfDestructingSolverStorable16 [2024-11-21 12:14:56,705 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 12:14:56,705 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:14:56,705 INFO L139 ounterexampleChecker]: Examining path program with hash 1112994618, occurence #6 [2024-11-21 12:14:56,705 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 12:14:56,705 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 12:14:56,705 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:14:56,705 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-11-21 12:14:56,706 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:14:56,706 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-11-21 12:14:56,706 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:14:56,706 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-11-21 12:14:56,706 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:14:56,706 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2024-11-21 12:14:56,786 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 12:14:56,786 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 95 treesize of output 39 [2024-11-21 12:15:01,039 WARN L331 ript$VariableManager]: TermVariable v_~A~0.offset_In_5 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:15:01,039 WARN L331 ript$VariableManager]: TermVariable v_~A~0.base_In_5 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:15:01,039 WARN L331 ript$VariableManager]: TermVariable |v_thread1Thread1of1ForFork0_~i~0#1_In_5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:15:01,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:15:01,040 INFO L85 PathProgramCache]: Analyzing trace with hash 903807892, now seen corresponding path program 1 times [2024-11-21 12:15:01,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:15:01,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605562280] [2024-11-21 12:15:01,040 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:15:01,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:15:01,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:15:01,542 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 185 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:15:01,542 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 12:15:01,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605562280] [2024-11-21 12:15:01,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605562280] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:15:01,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1366670793] [2024-11-21 12:15:01,542 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:15:01,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:15:01,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:15:01,570 INFO L256 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-21 12:15:01,571 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:15:02,052 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 235 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:15:02,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1366670793] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:15:02,053 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 12:15:02,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24] total 46 [2024-11-21 12:15:02,053 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 12:15:02,053 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 86 [2024-11-21 12:15:02,053 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:15:02,054 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 12:15:02,054 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:15:02,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:15:02,054 INFO L85 PathProgramCache]: Analyzing trace with hash 819117713, now seen corresponding path program 10 times [2024-11-21 12:15:02,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:15:02,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17495828] [2024-11-21 12:15:02,054 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:15:02,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:15:02,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:15:02,600 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 254 proven. 82 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-21 12:15:02,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:15:02,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17495828] [2024-11-21 12:15:02,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17495828] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:15:02,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [557914785] [2024-11-21 12:15:02,600 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-21 12:15:02,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:15:02,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 12:15:02,603 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 12:15:02,604 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 12:15:02,744 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-21 12:15:02,744 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 12:15:02,750 INFO L256 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-21 12:15:02,751 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:15:03,323 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 283 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:15:03,323 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 12:15:03,831 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 283 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:15:03,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [557914785] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 12:15:03,832 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 12:15:03,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 68 [2024-11-21 12:15:03,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682284082] [2024-11-21 12:15:03,832 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 12:15:03,832 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 69 states [2024-11-21 12:15:03,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:15:03,833 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2024-11-21 12:15:03,834 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=884, Invalid=3808, Unknown=0, NotChecked=0, Total=4692 [2024-11-21 12:15:03,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:15:03,834 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:15:03,835 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 69 states, 69 states have (on average 3.4347826086956523) internal successors, (237), 68 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 12:15:03,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:15:03,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:15:03,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:15:03,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 12:15:03,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:15:03,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-21 12:15:03,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 12:15:03,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-11-21 12:15:03,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-11-21 12:15:03,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 12:15:03,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 12:15:03,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:15:03,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:15:03,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:15:03,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:15:03,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 12:15:03,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:15:03,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-21 12:15:03,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 12:15:03,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-21 12:15:03,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-11-21 12:15:03,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 12:15:03,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 12:15:03,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 12:15:03,924 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 12:15:04,112 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,SelfDestructingSolverStorable19,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-21 12:15:04,113 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 12:15:04,113 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:15:04,113 INFO L139 ounterexampleChecker]: Examining path program with hash 1112994618, occurence #7 [2024-11-21 12:15:04,113 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 12:15:04,113 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 12:15:04,113 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:15:04,113 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-21 12:15:04,113 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:15:04,113 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-11-21 12:15:04,113 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:15:04,113 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 76 [2024-11-21 12:15:04,113 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:15:04,113 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 78 [2024-11-21 12:15:04,198 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 12:15:04,198 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 95 treesize of output 39 [2024-11-21 12:15:08,351 WARN L331 ript$VariableManager]: TermVariable |v_thread2Thread1of1ForFork1_~i~1#1_In_6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:15:08,351 WARN L331 ript$VariableManager]: TermVariable v_~A~0.base_In_6 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:15:08,351 WARN L331 ript$VariableManager]: TermVariable v_~A~0.offset_In_6 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:15:08,351 WARN L331 ript$VariableManager]: TermVariable |v_thread1Thread1of1ForFork0_~i~0#1_In_6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:15:08,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:15:08,352 INFO L85 PathProgramCache]: Analyzing trace with hash -1802557660, now seen corresponding path program 1 times [2024-11-21 12:15:08,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:15:08,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485045819] [2024-11-21 12:15:08,352 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:15:08,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:15:08,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 12:15:08,473 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-21 12:15:08,473 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-21 12:15:08,473 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 87 [2024-11-21 12:15:08,473 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:15:08,474 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 12:15:08,474 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:15:08,474 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:15:08,474 INFO L85 PathProgramCache]: Analyzing trace with hash 1334900382, now seen corresponding path program 11 times [2024-11-21 12:15:08,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:15:08,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581667684] [2024-11-21 12:15:08,474 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:15:08,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:15:08,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:15:17,298 INFO L134 CoverageAnalysis]: Checked inductivity of 349 backedges. 12 proven. 337 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:15:17,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:15:17,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581667684] [2024-11-21 12:15:17,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1581667684] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:15:17,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1096638600] [2024-11-21 12:15:17,299 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-21 12:15:17,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:15:17,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 12:15:17,301 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 12:15:17,302 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 12:15:17,450 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2024-11-21 12:15:17,450 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 12:15:17,453 INFO L256 TraceCheckSpWp]: Trace formula consists of 460 conjuncts, 135 conjuncts are in the unsatisfiable core [2024-11-21 12:15:17,455 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:15:19,725 INFO L134 CoverageAnalysis]: Checked inductivity of 349 backedges. 0 proven. 283 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-21 12:15:19,726 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 12:15:26,410 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 12:15:26,410 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 22 select indices, 22 select index equivalence classes, 0 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 231 case distinctions, treesize of input 222 treesize of output 1215 [2024-11-21 12:16:14,463 INFO L134 CoverageAnalysis]: Checked inductivity of 349 backedges. 0 proven. 283 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-21 12:16:14,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1096638600] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 12:16:14,463 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 12:16:14,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [60, 45, 45] total 145 [2024-11-21 12:16:14,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703464333] [2024-11-21 12:16:14,463 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 12:16:14,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 146 states [2024-11-21 12:16:14,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:16:14,465 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 146 interpolants. [2024-11-21 12:16:14,470 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1589, Invalid=19581, Unknown=0, NotChecked=0, Total=21170 [2024-11-21 12:16:14,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:16:14,470 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:16:14,470 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 146 states, 146 states have (on average 1.6027397260273972) internal successors, (234), 145 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 12:16:14,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:16:14,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:16:14,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:16:14,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 12:16:14,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:16:14,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-21 12:16:14,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 12:16:14,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-11-21 12:16:14,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-11-21 12:16:14,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 12:16:14,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 12:16:14,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 12:16:14,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:16:31,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:16:31,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:16:31,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:16:31,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 12:16:31,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:16:31,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-21 12:16:31,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 12:16:31,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-21 12:16:31,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-11-21 12:16:31,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 12:16:31,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 12:16:31,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 12:16:31,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2024-11-21 12:16:31,759 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 12:16:31,942 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,SelfDestructingSolverStorable21,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:16:31,942 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 12:16:31,942 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:16:31,942 INFO L139 ounterexampleChecker]: Examining path program with hash 1112994618, occurence #8 [2024-11-21 12:16:31,942 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 12:16:31,943 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 12:16:31,943 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:16:31,943 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-21 12:16:31,943 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:16:31,943 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-11-21 12:16:31,943 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:16:31,943 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 136 [2024-11-21 12:16:31,943 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:16:31,943 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 138 [2024-11-21 12:16:32,022 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 12:16:32,022 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 95 treesize of output 39 [2024-11-21 12:16:35,132 WARN L331 ript$VariableManager]: TermVariable |v_thread1Thread1of1ForFork0_~i~0#1_In_7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:16:35,132 WARN L331 ript$VariableManager]: TermVariable v_~A~0.base_In_7 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:16:35,132 WARN L331 ript$VariableManager]: TermVariable |v_thread2Thread1of1ForFork1_~i~1#1_In_7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:16:35,133 WARN L331 ript$VariableManager]: TermVariable v_~A~0.offset_In_7 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:16:35,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:16:35,133 INFO L85 PathProgramCache]: Analyzing trace with hash 2087789021, now seen corresponding path program 1 times [2024-11-21 12:16:35,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:16:35,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222551526] [2024-11-21 12:16:35,134 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:16:35,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:16:35,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:16:36,673 INFO L134 CoverageAnalysis]: Checked inductivity of 1131 backedges. 937 proven. 194 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:16:36,673 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 12:16:36,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222551526] [2024-11-21 12:16:36,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1222551526] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:16:36,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1780123199] [2024-11-21 12:16:36,673 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:16:36,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:16:36,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:16:36,713 INFO L256 TraceCheckSpWp]: Trace formula consists of 628 conjuncts, 58 conjuncts are in the unsatisfiable core [2024-11-21 12:16:36,716 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:16:39,276 INFO L134 CoverageAnalysis]: Checked inductivity of 1131 backedges. 1064 proven. 66 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 12:16:39,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1780123199] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:16:39,276 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 12:16:39,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [56, 54] total 108 [2024-11-21 12:16:39,276 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 12:16:39,276 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 147 [2024-11-21 12:16:39,276 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:16:39,276 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 12:16:39,276 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:16:39,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:16:39,277 INFO L85 PathProgramCache]: Analyzing trace with hash 963016272, now seen corresponding path program 12 times [2024-11-21 12:16:39,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:16:39,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580871481] [2024-11-21 12:16:39,277 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:16:39,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:16:39,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:16:40,984 INFO L134 CoverageAnalysis]: Checked inductivity of 1229 backedges. 1012 proven. 217 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:16:40,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:16:40,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580871481] [2024-11-21 12:16:40,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580871481] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:16:40,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [377845322] [2024-11-21 12:16:40,985 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-21 12:16:40,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:16:40,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 12:16:40,987 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 12:16:40,988 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 12:16:41,525 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 20 check-sat command(s) [2024-11-21 12:16:41,526 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 12:16:41,529 INFO L256 TraceCheckSpWp]: Trace formula consists of 658 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-21 12:16:41,531 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:16:42,313 INFO L134 CoverageAnalysis]: Checked inductivity of 1229 backedges. 944 proven. 66 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2024-11-21 12:16:42,313 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 12:16:43,178 INFO L134 CoverageAnalysis]: Checked inductivity of 1229 backedges. 944 proven. 66 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2024-11-21 12:16:43,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [377845322] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 12:16:43,178 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 12:16:43,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [57, 26, 26] total 105 [2024-11-21 12:16:43,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948929257] [2024-11-21 12:16:43,179 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 12:16:43,179 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 106 states [2024-11-21 12:16:43,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:16:43,180 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 106 interpolants. [2024-11-21 12:16:43,183 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1789, Invalid=9341, Unknown=0, NotChecked=0, Total=11130 [2024-11-21 12:16:43,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:16:43,183 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:16:43,183 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 106 states, 106 states have (on average 3.0660377358490565) internal successors, (325), 105 states have internal predecessors, (325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 12:16:43,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:16:43,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:16:43,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:16:43,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 12:16:43,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:16:43,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-21 12:16:43,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 12:16:43,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-11-21 12:16:43,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-11-21 12:16:43,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 12:16:43,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 12:16:43,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 12:16:43,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2024-11-21 12:16:43,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:16:43,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:16:43,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:16:43,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:16:43,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 12:16:43,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:16:43,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-21 12:16:43,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 12:16:43,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-21 12:16:43,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-11-21 12:16:43,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 12:16:43,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 12:16:43,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 12:16:43,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2024-11-21 12:16:43,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 12:16:43,359 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 12:16:43,546 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22,SelfDestructingSolverStorable23,SelfDestructingSolverStorable24 [2024-11-21 12:16:43,546 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 12:16:43,546 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:16:43,546 INFO L139 ounterexampleChecker]: Examining path program with hash 1112994618, occurence #9 [2024-11-21 12:16:43,546 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 12:16:43,546 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 12:16:43,546 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:16:43,546 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-11-21 12:16:43,546 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:16:43,547 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2024-11-21 12:16:43,547 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:16:43,547 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 137 [2024-11-21 12:16:43,547 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:16:43,547 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 139 [2024-11-21 12:16:43,623 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 12:16:43,623 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 95 treesize of output 39 [2024-11-21 12:16:46,889 WARN L331 ript$VariableManager]: TermVariable |v_thread1Thread1of1ForFork0_~i~0#1_In_8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:16:46,889 WARN L331 ript$VariableManager]: TermVariable v_~A~0.base_In_8 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:16:46,889 WARN L331 ript$VariableManager]: TermVariable |v_thread2Thread1of1ForFork1_~i~1#1_In_8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:16:46,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:16:46,890 INFO L85 PathProgramCache]: Analyzing trace with hash -882419341, now seen corresponding path program 1 times [2024-11-21 12:16:46,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:16:46,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964225341] [2024-11-21 12:16:46,891 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:16:46,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:16:46,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:16:48,510 INFO L134 CoverageAnalysis]: Checked inductivity of 1143 backedges. 937 proven. 206 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:16:48,510 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 12:16:48,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964225341] [2024-11-21 12:16:48,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964225341] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:16:48,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [429522774] [2024-11-21 12:16:48,511 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:16:48,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:16:48,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:16:48,538 INFO L256 TraceCheckSpWp]: Trace formula consists of 637 conjuncts, 59 conjuncts are in the unsatisfiable core [2024-11-21 12:16:48,540 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:16:51,115 INFO L134 CoverageAnalysis]: Checked inductivity of 1143 backedges. 1064 proven. 78 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 12:16:51,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [429522774] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:16:51,115 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 12:16:51,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [57, 55] total 110 [2024-11-21 12:16:51,115 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 12:16:51,116 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 148 [2024-11-21 12:16:51,116 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:16:51,116 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 12:16:51,116 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:16:51,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:16:51,116 INFO L85 PathProgramCache]: Analyzing trace with hash -486610589, now seen corresponding path program 13 times [2024-11-21 12:16:51,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:16:51,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962255991] [2024-11-21 12:16:51,116 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:16:51,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:16:51,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:16:52,854 INFO L134 CoverageAnalysis]: Checked inductivity of 1241 backedges. 1012 proven. 229 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:16:52,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:16:52,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962255991] [2024-11-21 12:16:52,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1962255991] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:16:52,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [60278384] [2024-11-21 12:16:52,855 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-21 12:16:52,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:16:52,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 12:16:52,857 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 12:16:52,857 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 12:16:53,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:16:53,027 INFO L256 TraceCheckSpWp]: Trace formula consists of 689 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-21 12:16:53,029 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:16:53,934 INFO L134 CoverageAnalysis]: Checked inductivity of 1241 backedges. 992 proven. 78 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2024-11-21 12:16:53,934 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 12:16:54,893 INFO L134 CoverageAnalysis]: Checked inductivity of 1241 backedges. 992 proven. 78 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2024-11-21 12:16:54,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [60278384] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 12:16:54,893 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 12:16:54,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [58, 28, 28] total 110 [2024-11-21 12:16:54,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578780907] [2024-11-21 12:16:54,894 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 12:16:54,894 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 111 states [2024-11-21 12:16:54,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:16:54,896 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 111 interpolants. [2024-11-21 12:16:54,897 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1943, Invalid=10267, Unknown=0, NotChecked=0, Total=12210 [2024-11-21 12:16:54,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:16:54,897 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:16:54,898 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 111 states, 111 states have (on average 3.063063063063063) internal successors, (340), 110 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 12:16:54,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:16:54,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:16:54,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:16:54,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 12:16:54,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:16:54,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-21 12:16:54,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 12:16:54,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-11-21 12:16:54,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-11-21 12:16:54,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 12:16:54,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 12:16:54,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 12:16:54,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2024-11-21 12:16:54,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 12:16:54,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:16:55,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:16:55,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:16:55,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:16:55,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 12:16:55,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:16:55,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-21 12:16:55,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 12:16:55,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-21 12:16:55,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-11-21 12:16:55,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 12:16:55,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 12:16:55,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 12:16:55,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2024-11-21 12:16:55,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 12:16:55,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-21 12:16:55,056 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 12:16:55,243 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25,SelfDestructingSolverStorable26,SelfDestructingSolverStorable27 [2024-11-21 12:16:55,244 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 12:16:55,244 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:16:55,244 INFO L139 ounterexampleChecker]: Examining path program with hash 1112994618, occurence #10 [2024-11-21 12:16:55,244 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 12:16:55,244 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 12:16:55,244 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:16:55,244 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-11-21 12:16:55,244 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:16:55,244 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-11-21 12:16:55,244 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:16:55,244 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 138 [2024-11-21 12:16:55,244 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:16:55,244 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 140 [2024-11-21 12:16:55,327 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 12:16:55,327 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 95 treesize of output 39 [2024-11-21 12:16:55,469 WARN L331 ript$VariableManager]: TermVariable |v_thread1Thread1of1ForFork0_~i~0#1_In_9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:16:55,469 WARN L331 ript$VariableManager]: TermVariable v_~A~0.base_In_9 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:16:55,469 WARN L331 ript$VariableManager]: TermVariable |v_thread2Thread1of1ForFork1_~i~1#1_In_9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:16:55,469 WARN L331 ript$VariableManager]: TermVariable v_~A~0.offset_In_9 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:16:55,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:16:55,470 INFO L85 PathProgramCache]: Analyzing trace with hash 1530401859, now seen corresponding path program 1 times [2024-11-21 12:16:55,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:16:55,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543747437] [2024-11-21 12:16:55,470 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:16:55,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:16:55,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:16:57,048 INFO L134 CoverageAnalysis]: Checked inductivity of 1156 backedges. 937 proven. 219 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:16:57,048 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 12:16:57,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543747437] [2024-11-21 12:16:57,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543747437] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:16:57,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [520196667] [2024-11-21 12:16:57,048 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:16:57,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:16:57,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:16:57,080 INFO L256 TraceCheckSpWp]: Trace formula consists of 646 conjuncts, 60 conjuncts are in the unsatisfiable core [2024-11-21 12:16:57,082 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:16:59,705 INFO L134 CoverageAnalysis]: Checked inductivity of 1156 backedges. 1064 proven. 91 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 12:16:59,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [520196667] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:16:59,706 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 12:16:59,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [58, 56] total 112 [2024-11-21 12:16:59,706 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 12:16:59,706 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 149 [2024-11-21 12:16:59,706 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:16:59,706 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 12:16:59,706 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:16:59,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:16:59,706 INFO L85 PathProgramCache]: Analyzing trace with hash 1819596976, now seen corresponding path program 14 times [2024-11-21 12:16:59,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:16:59,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948926924] [2024-11-21 12:16:59,706 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:16:59,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:16:59,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:17:01,399 INFO L134 CoverageAnalysis]: Checked inductivity of 1254 backedges. 1012 proven. 242 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:17:01,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:17:01,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948926924] [2024-11-21 12:17:01,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948926924] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:17:01,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1768533167] [2024-11-21 12:17:01,399 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 12:17:01,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:17:01,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 12:17:01,401 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 12:17:01,402 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 12:17:01,570 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-21 12:17:01,570 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 12:17:01,572 INFO L256 TraceCheckSpWp]: Trace formula consists of 698 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-21 12:17:01,575 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:17:02,519 INFO L134 CoverageAnalysis]: Checked inductivity of 1254 backedges. 1034 proven. 91 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2024-11-21 12:17:02,519 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 12:17:03,554 INFO L134 CoverageAnalysis]: Checked inductivity of 1254 backedges. 1034 proven. 91 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2024-11-21 12:17:03,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1768533167] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 12:17:03,554 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 12:17:03,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [59, 30, 30] total 115 [2024-11-21 12:17:03,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008477300] [2024-11-21 12:17:03,554 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 12:17:03,555 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 116 states [2024-11-21 12:17:03,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:17:03,556 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 116 interpolants. [2024-11-21 12:17:03,558 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2108, Invalid=11232, Unknown=0, NotChecked=0, Total=13340 [2024-11-21 12:17:03,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:17:03,558 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:17:03,559 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 116 states, 116 states have (on average 3.060344827586207) internal successors, (355), 115 states have internal predecessors, (355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 12:17:03,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:03,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:17:03,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:17:03,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 12:17:03,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:17:03,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-21 12:17:03,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 12:17:03,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-11-21 12:17:03,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-11-21 12:17:03,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 12:17:03,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 12:17:03,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 12:17:03,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2024-11-21 12:17:03,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 12:17:03,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-21 12:17:03,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:17:03,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:03,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:17:03,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:17:03,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 12:17:03,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:17:03,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-21 12:17:03,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 12:17:03,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-21 12:17:03,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-11-21 12:17:03,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 12:17:03,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 12:17:03,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 12:17:03,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2024-11-21 12:17:03,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 12:17:03,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-21 12:17:03,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 12:17:03,721 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 12:17:03,908 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,17 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30,SelfDestructingSolverStorable28 [2024-11-21 12:17:03,908 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 12:17:03,908 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:17:03,908 INFO L139 ounterexampleChecker]: Examining path program with hash 1112994618, occurence #11 [2024-11-21 12:17:03,908 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 12:17:03,908 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 12:17:03,908 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:17:03,908 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-11-21 12:17:03,909 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:17:03,909 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-11-21 12:17:03,909 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:17:03,909 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 139 [2024-11-21 12:17:03,909 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:17:03,909 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 141 [2024-11-21 12:17:03,991 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 12:17:03,991 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 95 treesize of output 39 [2024-11-21 12:17:09,106 WARN L331 ript$VariableManager]: TermVariable |v_thread1Thread1of1ForFork0_~i~0#1_In_10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:17:09,106 WARN L331 ript$VariableManager]: TermVariable v_~A~0.offset_In_10 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:17:09,107 WARN L331 ript$VariableManager]: TermVariable v_~A~0.base_In_10 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:17:09,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:17:09,107 INFO L85 PathProgramCache]: Analyzing trace with hash -981552359, now seen corresponding path program 1 times [2024-11-21 12:17:09,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:17:09,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048311954] [2024-11-21 12:17:09,107 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:17:09,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:17:09,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:17:10,782 INFO L134 CoverageAnalysis]: Checked inductivity of 1170 backedges. 937 proven. 233 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:17:10,783 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 12:17:10,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048311954] [2024-11-21 12:17:10,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2048311954] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:17:10,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [667428463] [2024-11-21 12:17:10,783 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:17:10,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:17:10,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:17:10,812 INFO L256 TraceCheckSpWp]: Trace formula consists of 655 conjuncts, 61 conjuncts are in the unsatisfiable core [2024-11-21 12:17:10,814 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:17:13,465 INFO L134 CoverageAnalysis]: Checked inductivity of 1170 backedges. 1064 proven. 105 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 12:17:13,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [667428463] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:17:13,465 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 12:17:13,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [59, 57] total 114 [2024-11-21 12:17:13,466 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 12:17:13,466 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 150 [2024-11-21 12:17:13,466 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:17:13,466 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 12:17:13,466 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:17:13,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:17:13,466 INFO L85 PathProgramCache]: Analyzing trace with hash 297587459, now seen corresponding path program 15 times [2024-11-21 12:17:13,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:17:13,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803613804] [2024-11-21 12:17:13,466 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:17:13,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:17:13,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:17:15,242 INFO L134 CoverageAnalysis]: Checked inductivity of 1268 backedges. 1012 proven. 256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:17:15,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:17:15,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803613804] [2024-11-21 12:17:15,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803613804] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:17:15,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1334122270] [2024-11-21 12:17:15,242 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-21 12:17:15,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:17:15,242 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 12:17:15,244 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 12:17:15,245 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 12:17:15,910 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 21 check-sat command(s) [2024-11-21 12:17:15,911 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 12:17:15,915 INFO L256 TraceCheckSpWp]: Trace formula consists of 707 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-21 12:17:15,917 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:17:17,246 INFO L134 CoverageAnalysis]: Checked inductivity of 1268 backedges. 1161 proven. 105 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-21 12:17:17,246 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 12:17:18,746 INFO L134 CoverageAnalysis]: Checked inductivity of 1268 backedges. 1161 proven. 105 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-21 12:17:18,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1334122270] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 12:17:18,746 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 12:17:18,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [60, 38, 38] total 133 [2024-11-21 12:17:18,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124813728] [2024-11-21 12:17:18,747 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 12:17:18,747 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 134 states [2024-11-21 12:17:18,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:17:18,749 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 134 interpolants. [2024-11-21 12:17:18,751 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3033, Invalid=14789, Unknown=0, NotChecked=0, Total=17822 [2024-11-21 12:17:18,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:17:18,751 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:17:18,751 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 134 states, 134 states have (on average 3.246268656716418) internal successors, (435), 133 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 12:17:18,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:18,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:17:18,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:17:18,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 12:17:18,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:17:18,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-21 12:17:18,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 12:17:18,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-11-21 12:17:18,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-11-21 12:17:18,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 12:17:18,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 12:17:18,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 12:17:18,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2024-11-21 12:17:18,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 12:17:18,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-21 12:17:18,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 12:17:18,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:17:18,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:18,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:17:18,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:17:18,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 12:17:18,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:17:18,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-21 12:17:18,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 12:17:18,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-21 12:17:18,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-11-21 12:17:18,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 12:17:18,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 12:17:18,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 12:17:18,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2024-11-21 12:17:18,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 12:17:18,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-21 12:17:18,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 12:17:18,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-21 12:17:18,907 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 12:17:19,093 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,SelfDestructingSolverStorable32,SelfDestructingSolverStorable33,18 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:17:19,093 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 12:17:19,093 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:17:19,094 INFO L139 ounterexampleChecker]: Examining path program with hash 1112994618, occurence #12 [2024-11-21 12:17:19,094 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 12:17:19,094 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 12:17:19,094 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:17:19,094 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2024-11-21 12:17:19,094 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:17:19,094 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2024-11-21 12:17:19,094 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:17:19,094 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 146 [2024-11-21 12:17:19,094 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:17:19,094 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 148 [2024-11-21 12:17:19,175 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 12:17:19,175 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 95 treesize of output 39 [2024-11-21 12:17:20,292 WARN L331 ript$VariableManager]: TermVariable |v_thread1Thread1of1ForFork0_~i~0#1_In_11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:17:20,292 WARN L331 ript$VariableManager]: TermVariable |v_thread2Thread1of1ForFork1_~i~1#1_In_11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:17:20,292 WARN L331 ript$VariableManager]: TermVariable v_~A~0.base_In_11 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:17:20,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:17:20,293 INFO L85 PathProgramCache]: Analyzing trace with hash -1219433015, now seen corresponding path program 1 times [2024-11-21 12:17:20,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:17:20,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253506687] [2024-11-21 12:17:20,293 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:17:20,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:17:20,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 12:17:20,654 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-21 12:17:20,654 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-21 12:17:20,654 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 157 [2024-11-21 12:17:20,654 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:17:20,654 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 12:17:20,654 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:17:20,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:17:20,655 INFO L85 PathProgramCache]: Analyzing trace with hash -1231850960, now seen corresponding path program 16 times [2024-11-21 12:17:20,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:17:20,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405767583] [2024-11-21 12:17:20,656 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:17:20,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:17:21,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:17:48,628 INFO L134 CoverageAnalysis]: Checked inductivity of 1394 backedges. 137 proven. 1257 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:17:48,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:17:48,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405767583] [2024-11-21 12:17:48,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [405767583] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:17:48,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1937531129] [2024-11-21 12:17:48,628 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-21 12:17:48,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:17:48,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 12:17:48,630 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 12:17:48,631 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-21 12:17:48,837 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-21 12:17:48,837 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 12:17:48,842 INFO L256 TraceCheckSpWp]: Trace formula consists of 770 conjuncts, 255 conjuncts are in the unsatisfiable core [2024-11-21 12:17:48,847 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:17:56,404 INFO L134 CoverageAnalysis]: Checked inductivity of 1394 backedges. 0 proven. 1163 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-11-21 12:17:56,404 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 12:18:46,062 WARN L286 SmtUtils]: Spent 21.92s on a formula simplification that was a NOOP. DAG size: 1469 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-11-21 12:18:46,062 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 12:18:46,063 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 42 select indices, 42 select index equivalence classes, 0 disjoint index pairs (out of 861 index pairs), introduced 42 new quantified variables, introduced 861 case distinctions, treesize of input 422 treesize of output 4415 Killed by 15