./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-more-buffer-mult.wvr.c --traceabstraction.use.conditional.por.in.concurrent.analysis true --traceabstraction.commutativity.condition.synthesis SUFFICIENT --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ebd41074 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-buffer-mult.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 e5124dd4a5a155d8a4e322a35428820633f9eccdd993e14120e650d1ba1fbebe --traceabstraction.use.conditional.por.in.concurrent.analysis true --traceabstraction.commutativity.condition.synthesis SUFFICIENT --- Real Ultimate output --- This is Ultimate 0.3.0-dev-ebd4107-m [2025-01-23 19:58:20,366 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-23 19:58:20,461 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2025-01-23 19:58:20,467 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-23 19:58:20,469 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-23 19:58:20,499 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-23 19:58:20,501 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-23 19:58:20,501 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-23 19:58:20,501 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-23 19:58:20,502 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-23 19:58:20,502 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-23 19:58:20,502 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-23 19:58:20,503 INFO L153 SettingsManager]: * Use SBE=true [2025-01-23 19:58:20,503 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-23 19:58:20,503 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-23 19:58:20,503 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-23 19:58:20,503 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-23 19:58:20,503 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-23 19:58:20,504 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-23 19:58:20,504 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-23 19:58:20,504 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-23 19:58:20,504 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-23 19:58:20,504 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-23 19:58:20,504 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-23 19:58:20,505 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-23 19:58:20,505 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-23 19:58:20,505 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-23 19:58:20,505 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-23 19:58:20,505 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-23 19:58:20,505 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-23 19:58:20,506 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-23 19:58:20,506 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-23 19:58:20,506 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-23 19:58:20,506 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-23 19:58:20,506 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-01-23 19:58:20,507 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-23 19:58:20,507 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-23 19:58:20,507 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-01-23 19:58:20,507 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-23 19:58:20,507 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-23 19:58:20,507 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-01-23 19:58:20,507 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-01-23 19:58:20,507 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-01-23 19:58:20,508 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 -> e5124dd4a5a155d8a4e322a35428820633f9eccdd993e14120e650d1ba1fbebe Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use conditional POR in concurrent analysis -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> SUFFICIENT [2025-01-23 19:58:20,821 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-23 19:58:20,830 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-23 19:58:20,832 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-23 19:58:20,835 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-23 19:58:20,835 INFO L274 PluginConnector]: CDTParser initialized [2025-01-23 19:58:20,836 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-more-buffer-mult.wvr.c [2025-01-23 19:58:22,120 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/6dc74bcff/5ab93403a1a64564b9224cea2b553a5a/FLAGb8fd03a3f [2025-01-23 19:58:22,355 INFO L384 CDTParser]: Found 1 translation units. [2025-01-23 19:58:22,357 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/popl20-more-buffer-mult.wvr.c [2025-01-23 19:58:22,366 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/6dc74bcff/5ab93403a1a64564b9224cea2b553a5a/FLAGb8fd03a3f [2025-01-23 19:58:22,383 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/6dc74bcff/5ab93403a1a64564b9224cea2b553a5a [2025-01-23 19:58:22,386 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-23 19:58:22,387 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-23 19:58:22,391 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-23 19:58:22,391 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-23 19:58:22,395 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-23 19:58:22,396 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.01 07:58:22" (1/1) ... [2025-01-23 19:58:22,397 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fbb779 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 07:58:22, skipping insertion in model container [2025-01-23 19:58:22,397 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.01 07:58:22" (1/1) ... [2025-01-23 19:58:22,415 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-23 19:58:22,576 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/popl20-more-buffer-mult.wvr.c[4270,4283] [2025-01-23 19:58:22,590 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-23 19:58:22,602 INFO L200 MainTranslator]: Completed pre-run [2025-01-23 19:58:22,683 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/popl20-more-buffer-mult.wvr.c[4270,4283] [2025-01-23 19:58:22,691 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-23 19:58:22,714 INFO L204 MainTranslator]: Completed translation [2025-01-23 19:58:22,716 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 07:58:22 WrapperNode [2025-01-23 19:58:22,716 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-23 19:58:22,717 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-23 19:58:22,718 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-23 19:58:22,718 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-23 19:58:22,723 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 07:58:22" (1/1) ... [2025-01-23 19:58:22,732 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 07:58:22" (1/1) ... [2025-01-23 19:58:22,768 INFO L138 Inliner]: procedures = 26, calls = 60, calls flagged for inlining = 18, calls inlined = 22, statements flattened = 278 [2025-01-23 19:58:22,768 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-23 19:58:22,770 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-23 19:58:22,770 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-23 19:58:22,770 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-23 19:58:22,776 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 07:58:22" (1/1) ... [2025-01-23 19:58:22,777 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 07:58:22" (1/1) ... [2025-01-23 19:58:22,784 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 07:58:22" (1/1) ... [2025-01-23 19:58:22,785 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 07:58:22" (1/1) ... [2025-01-23 19:58:22,799 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 07:58:22" (1/1) ... [2025-01-23 19:58:22,800 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 07:58:22" (1/1) ... [2025-01-23 19:58:22,807 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 07:58:22" (1/1) ... [2025-01-23 19:58:22,813 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 07:58:22" (1/1) ... [2025-01-23 19:58:22,814 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 07:58:22" (1/1) ... [2025-01-23 19:58:22,820 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-23 19:58:22,821 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-23 19:58:22,824 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-23 19:58:22,825 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-23 19:58:22,826 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 07:58:22" (1/1) ... [2025-01-23 19:58:22,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-23 19:58:22,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 19:58:22,860 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2025-01-23 19:58:22,867 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2025-01-23 19:58:22,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-23 19:58:22,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-01-23 19:58:22,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-01-23 19:58:22,889 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-01-23 19:58:22,889 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-01-23 19:58:22,889 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-01-23 19:58:22,890 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-01-23 19:58:22,890 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-01-23 19:58:22,890 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-01-23 19:58:22,890 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2025-01-23 19:58:22,890 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2025-01-23 19:58:22,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-01-23 19:58:22,890 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-01-23 19:58:22,890 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-01-23 19:58:22,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-23 19:58:22,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-23 19:58:22,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-23 19:58:22,892 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-01-23 19:58:23,018 INFO L234 CfgBuilder]: Building ICFG [2025-01-23 19:58:23,021 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-23 19:58:23,497 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-23 19:58:23,497 INFO L283 CfgBuilder]: Performing block encoding [2025-01-23 19:58:23,862 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-23 19:58:23,863 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-23 19:58:23,863 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.01 07:58:23 BoogieIcfgContainer [2025-01-23 19:58:23,864 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-23 19:58:23,866 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-23 19:58:23,867 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-23 19:58:23,871 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-23 19:58:23,872 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.01 07:58:22" (1/3) ... [2025-01-23 19:58:23,872 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d037a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.01 07:58:23, skipping insertion in model container [2025-01-23 19:58:23,872 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 07:58:22" (2/3) ... [2025-01-23 19:58:23,872 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d037a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.01 07:58:23, skipping insertion in model container [2025-01-23 19:58:23,872 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.01 07:58:23" (3/3) ... [2025-01-23 19:58:23,875 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-more-buffer-mult.wvr.c [2025-01-23 19:58:23,888 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-23 19:58:23,891 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-more-buffer-mult.wvr.c that has 5 procedures, 45 locations, 1 initial locations, 6 loop locations, and 1 error locations. [2025-01-23 19:58:23,891 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-23 19:58:23,954 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2025-01-23 19:58:23,998 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-23 19:58:23,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-01-23 19:58:23,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 19:58:24,003 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2025-01-23 19:58:24,006 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2025-01-23 19:58:24,096 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-01-23 19:58:24,135 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-01-23 19:58:24,145 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;@65bbc87e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-23 19:58:24,146 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2025-01-23 19:58:25,573 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-23 19:58:25,574 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 19:58:25,576 INFO L139 ounterexampleChecker]: Examining path program with hash -1665457821, occurence #1 [2025-01-23 19:58:25,576 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 19:58:25,576 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 19:58:25,580 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:58:25,581 INFO L85 PathProgramCache]: Analyzing trace with hash 1087846709, now seen corresponding path program 1 times [2025-01-23 19:58:25,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 19:58:25,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500527828] [2025-01-23 19:58:25,589 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:58:25,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:58:25,680 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 140 statements into 1 equivalence classes. [2025-01-23 19:58:25,998 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 140 of 140 statements. [2025-01-23 19:58:25,998 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:58:25,998 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:58:26,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 19:58:26,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 19:58:26,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500527828] [2025-01-23 19:58:26,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500527828] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-23 19:58:26,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-23 19:58:26,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-23 19:58:26,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323938893] [2025-01-23 19:58:26,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 19:58:26,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-23 19:58:26,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 19:58:26,941 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-23 19:58:26,943 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-23 19:58:26,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:58:26,944 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 19:58:26,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 19:58:26,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:58:27,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:58:27,084 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-23 19:58:27,084 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-23 19:58:27,084 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 19:58:27,085 INFO L139 ounterexampleChecker]: Examining path program with hash -1665457821, occurence #2 [2025-01-23 19:58:27,085 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-23 19:58:27,085 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-23 19:58:27,085 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:58:27,086 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-01-23 19:58:27,104 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:58:27,105 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-01-23 19:58:27,105 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:58:27,105 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2025-01-23 19:58:27,105 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:58:27,105 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2025-01-23 19:58:27,105 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:58:27,105 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 64 [2025-01-23 19:58:27,313 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 6 [2025-01-23 19:58:27,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:58:27,373 INFO L85 PathProgramCache]: Analyzing trace with hash -1561900872, now seen corresponding path program 1 times [2025-01-23 19:58:27,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-23 19:58:27,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334869639] [2025-01-23 19:58:27,374 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:58:27,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:58:27,391 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes. [2025-01-23 19:58:27,429 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements. [2025-01-23 19:58:27,429 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:58:27,429 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:58:27,682 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-23 19:58:27,682 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-23 19:58:27,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334869639] [2025-01-23 19:58:27,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334869639] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-23 19:58:27,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-23 19:58:27,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-23 19:58:27,684 INFO L172 ounterexampleChecker]: Successfully proved commutativity at non-minimality point 64. Constructing proof automaton... [2025-01-23 19:58:27,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 19:58:27,685 INFO L311 artialOrderCegarLoop]: Commutativity proof succeeded, skipping feasibility check. [2025-01-23 19:58:27,685 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-23 19:58:27,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SMTINTERPOL [2025-01-23 19:58:27,687 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-23 19:58:27,687 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-23 19:58:27,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:58:27,689 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 19:58:27,689 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 19:58:27,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:58:27,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:58:27,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:58:27,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:58:27,828 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-23 19:58:27,828 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-23 19:58:27,829 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 19:58:27,829 INFO L139 ounterexampleChecker]: Examining path program with hash -1665457821, occurence #3 [2025-01-23 19:58:27,829 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-23 19:58:27,829 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-23 19:58:27,830 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:58:27,830 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-01-23 19:58:27,830 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:58:27,830 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2025-01-23 19:58:27,830 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:58:27,830 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-01-23 19:58:27,830 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:58:27,830 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2025-01-23 19:58:27,830 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:58:27,830 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 65 [2025-01-23 19:58:28,018 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 6 [2025-01-23 19:58:28,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:58:28,077 INFO L85 PathProgramCache]: Analyzing trace with hash -1704952346, now seen corresponding path program 1 times [2025-01-23 19:58:28,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-23 19:58:28,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256591346] [2025-01-23 19:58:28,078 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:58:28,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:58:28,092 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes. [2025-01-23 19:58:28,133 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements. [2025-01-23 19:58:28,134 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:58:28,134 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:58:28,460 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-23 19:58:28,461 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-23 19:58:28,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256591346] [2025-01-23 19:58:28,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256591346] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:58:28,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [832409402] [2025-01-23 19:58:28,462 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:58:28,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:58:28,484 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes. [2025-01-23 19:58:28,523 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements. [2025-01-23 19:58:28,524 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:58:28,524 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:58:28,528 INFO L256 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-01-23 19:58:28,534 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 19:58:28,655 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-23 19:58:28,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [832409402] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:58:28,655 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-23 19:58:28,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2025-01-23 19:58:28,656 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-23 19:58:28,657 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 70 [2025-01-23 19:58:28,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:58:28,753 INFO L85 PathProgramCache]: Analyzing trace with hash 1440388891, now seen corresponding path program 1 times [2025-01-23 19:58:28,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-23 19:58:28,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400103239] [2025-01-23 19:58:28,753 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:58:28,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:58:28,766 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-01-23 19:58:28,789 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-01-23 19:58:28,790 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:58:28,790 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:58:29,090 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-23 19:58:29,091 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-23 19:58:29,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400103239] [2025-01-23 19:58:29,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400103239] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:58:29,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [475365378] [2025-01-23 19:58:29,092 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:58:29,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:58:29,115 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-01-23 19:58:29,175 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-01-23 19:58:29,175 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:58:29,175 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:58:29,178 INFO L256 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-01-23 19:58:29,182 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 19:58:29,330 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-23 19:58:29,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [475365378] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:58:29,331 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-23 19:58:29,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2025-01-23 19:58:29,332 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-23 19:58:29,332 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 78 [2025-01-23 19:58:29,657 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-23 19:58:29,658 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 96 treesize of output 51 [2025-01-23 19:58:31,583 WARN L331 ript$VariableManager]: TermVariable v_~q1~0.base_In_1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-23 19:58:31,583 WARN L331 ript$VariableManager]: TermVariable v_~q2_front~0_In_4 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-23 19:58:31,583 WARN L331 ript$VariableManager]: TermVariable v_~q1_front~0_In_1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-23 19:58:31,583 WARN L331 ript$VariableManager]: TermVariable v_~q2~0.base_In_3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-23 19:58:31,583 WARN L331 ript$VariableManager]: TermVariable v_~q1~0.offset_In_1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-23 19:58:31,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:58:31,585 INFO L85 PathProgramCache]: Analyzing trace with hash 1691080564, now seen corresponding path program 1 times [2025-01-23 19:58:31,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-23 19:58:31,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078632515] [2025-01-23 19:58:31,585 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:58:31,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:58:31,601 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-01-23 19:58:31,631 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-01-23 19:58:31,631 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:58:31,632 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:58:31,953 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-23 19:58:31,953 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-23 19:58:31,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078632515] [2025-01-23 19:58:31,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1078632515] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:58:31,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [223662942] [2025-01-23 19:58:31,954 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:58:31,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:58:31,972 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-01-23 19:58:32,009 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-01-23 19:58:32,009 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:58:32,009 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:58:32,012 INFO L256 TraceCheckSpWp]: Trace formula consists of 397 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-01-23 19:58:32,017 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 19:58:32,136 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-23 19:58:32,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [223662942] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:58:32,137 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-23 19:58:32,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2025-01-23 19:58:32,138 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-23 19:58:32,138 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 108 is hopeless, skipping. [2025-01-23 19:58:32,138 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 117 is hopeless, skipping. [2025-01-23 19:58:32,138 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 138 [2025-01-23 19:58:32,139 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:58:32,139 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-23 19:58:32,139 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 19:58:32,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:58:32,139 INFO L85 PathProgramCache]: Analyzing trace with hash -1698246504, now seen corresponding path program 1 times [2025-01-23 19:58:32,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 19:58:32,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156987750] [2025-01-23 19:58:32,139 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:58:32,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:58:32,162 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 142 statements into 1 equivalence classes. [2025-01-23 19:58:32,207 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 142 of 142 statements. [2025-01-23 19:58:32,208 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:58:32,208 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:58:32,727 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-23 19:58:32,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 19:58:32,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156987750] [2025-01-23 19:58:32,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156987750] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:58:32,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1733977651] [2025-01-23 19:58:32,728 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:58:32,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 19:58:32,728 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 19:58:32,753 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 19:58:32,755 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-01-23 19:58:32,855 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 142 statements into 1 equivalence classes. [2025-01-23 19:58:32,959 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 142 of 142 statements. [2025-01-23 19:58:32,960 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:58:32,960 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:58:32,964 INFO L256 TraceCheckSpWp]: Trace formula consists of 669 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-01-23 19:58:32,968 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 19:58:33,083 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-23 19:58:33,083 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 19:58:33,220 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-23 19:58:33,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1733977651] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 19:58:33,220 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 19:58:33,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 13 [2025-01-23 19:58:33,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052090858] [2025-01-23 19:58:33,223 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 19:58:33,224 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-01-23 19:58:33,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 19:58:33,227 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-01-23 19:58:33,227 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2025-01-23 19:58:33,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:58:33,228 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 19:58:33,228 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 8.071428571428571) internal successors, (113), 13 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 19:58:33,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:58:33,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:58:33,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:58:33,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:58:33,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:58:33,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 19:58:33,488 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-01-23 19:58:33,682 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3,SelfDestructingSolverStorable2,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2025-01-23 19:58:33,682 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-23 19:58:33,682 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 19:58:33,683 INFO L139 ounterexampleChecker]: Examining path program with hash -1665457821, occurence #4 [2025-01-23 19:58:33,683 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-23 19:58:33,683 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-23 19:58:33,683 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:58:33,683 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-01-23 19:58:33,683 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:58:33,683 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-01-23 19:58:33,683 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:58:33,683 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2025-01-23 19:58:33,683 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:58:33,684 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2025-01-23 19:58:33,684 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:58:33,684 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 66 [2025-01-23 19:58:33,866 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 6 [2025-01-23 19:58:33,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:58:33,928 INFO L85 PathProgramCache]: Analyzing trace with hash 1254778535, now seen corresponding path program 1 times [2025-01-23 19:58:33,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-23 19:58:33,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314659708] [2025-01-23 19:58:33,930 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:58:33,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:58:33,946 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 67 statements into 1 equivalence classes. [2025-01-23 19:58:33,973 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 67 of 67 statements. [2025-01-23 19:58:33,973 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:58:33,973 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:58:34,268 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-23 19:58:34,269 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-23 19:58:34,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314659708] [2025-01-23 19:58:34,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314659708] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:58:34,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [259438088] [2025-01-23 19:58:34,269 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:58:34,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:58:34,282 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 67 statements into 1 equivalence classes. [2025-01-23 19:58:34,311 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 67 of 67 statements. [2025-01-23 19:58:34,311 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:58:34,311 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:58:34,314 INFO L256 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-01-23 19:58:34,315 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 19:58:34,484 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-23 19:58:34,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [259438088] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:58:34,484 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-23 19:58:34,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2025-01-23 19:58:34,484 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-23 19:58:34,484 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2025-01-23 19:58:34,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:58:34,571 INFO L85 PathProgramCache]: Analyzing trace with hash -1654824596, now seen corresponding path program 1 times [2025-01-23 19:58:34,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-23 19:58:34,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229034490] [2025-01-23 19:58:34,571 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:58:34,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:58:34,584 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-01-23 19:58:34,602 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-01-23 19:58:34,603 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:58:34,603 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:58:34,864 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-23 19:58:34,864 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-23 19:58:34,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229034490] [2025-01-23 19:58:34,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229034490] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:58:34,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1970444685] [2025-01-23 19:58:34,865 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:58:34,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:58:34,876 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-01-23 19:58:34,900 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-01-23 19:58:34,900 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:58:34,900 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:58:34,902 INFO L256 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-01-23 19:58:34,904 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 19:58:35,071 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-23 19:58:35,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1970444685] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:58:35,071 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-23 19:58:35,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2025-01-23 19:58:35,072 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-23 19:58:35,072 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 79 [2025-01-23 19:58:35,351 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-23 19:58:35,352 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 96 treesize of output 51 [2025-01-23 19:58:38,157 WARN L331 ript$VariableManager]: TermVariable v_~q1~0.base_In_2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-23 19:58:38,158 WARN L331 ript$VariableManager]: TermVariable v_~q1_front~0_In_2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-23 19:58:38,158 WARN L331 ript$VariableManager]: TermVariable v_~q2_front~0_In_7 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-23 19:58:38,158 WARN L331 ript$VariableManager]: TermVariable v_~q2~0.base_In_5 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-23 19:58:38,158 WARN L331 ript$VariableManager]: TermVariable v_~q1~0.offset_In_2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-23 19:58:38,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:58:38,159 INFO L85 PathProgramCache]: Analyzing trace with hash -1121723963, now seen corresponding path program 1 times [2025-01-23 19:58:38,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-23 19:58:38,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516656108] [2025-01-23 19:58:38,160 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:58:38,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:58:38,172 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-01-23 19:58:38,192 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-01-23 19:58:38,192 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:58:38,193 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:58:38,443 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-23 19:58:38,444 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-23 19:58:38,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516656108] [2025-01-23 19:58:38,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516656108] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:58:38,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1353161937] [2025-01-23 19:58:38,444 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:58:38,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:58:38,455 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-01-23 19:58:38,478 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-01-23 19:58:38,479 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:58:38,479 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:58:38,481 INFO L256 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-01-23 19:58:38,483 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 19:58:38,646 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-23 19:58:38,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1353161937] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:58:38,647 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-23 19:58:38,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2025-01-23 19:58:38,647 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-23 19:58:38,647 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 109 is hopeless, skipping. [2025-01-23 19:58:38,648 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 118 is hopeless, skipping. [2025-01-23 19:58:38,648 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 139 [2025-01-23 19:58:38,648 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:58:38,648 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-23 19:58:38,648 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 19:58:38,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:58:38,649 INFO L85 PathProgramCache]: Analyzing trace with hash -457202352, now seen corresponding path program 2 times [2025-01-23 19:58:38,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 19:58:38,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591536060] [2025-01-23 19:58:38,649 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-23 19:58:38,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:58:38,667 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 143 statements into 2 equivalence classes. [2025-01-23 19:58:38,705 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 140 of 143 statements. [2025-01-23 19:58:38,705 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-23 19:58:38,706 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:58:39,649 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-23 19:58:39,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 19:58:39,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591536060] [2025-01-23 19:58:39,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591536060] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-23 19:58:39,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-23 19:58:39,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-01-23 19:58:39,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057069659] [2025-01-23 19:58:39,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 19:58:39,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-01-23 19:58:39,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 19:58:39,652 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-01-23 19:58:39,654 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2025-01-23 19:58:39,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:58:39,654 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 19:58:39,654 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.461538461538462) internal successors, (110), 12 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 19:58:39,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:58:39,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:58:39,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 19:58:39,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:58:39,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:58:39,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:58:39,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 19:58:39,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 19:58:39,965 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable9,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15 [2025-01-23 19:58:39,965 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-23 19:58:39,965 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 19:58:39,966 INFO L139 ounterexampleChecker]: Examining path program with hash -452132957, occurence #1 [2025-01-23 19:58:39,966 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 19:58:39,966 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 19:58:39,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:58:39,966 INFO L85 PathProgramCache]: Analyzing trace with hash -1103490486, now seen corresponding path program 3 times [2025-01-23 19:58:39,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 19:58:39,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523821896] [2025-01-23 19:58:39,967 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-23 19:58:39,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:58:39,985 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 115 statements into 4 equivalence classes. [2025-01-23 19:58:40,008 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 62 of 115 statements. [2025-01-23 19:58:40,008 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-01-23 19:58:40,009 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:58:40,227 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2025-01-23 19:58:40,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 19:58:40,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523821896] [2025-01-23 19:58:40,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523821896] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-23 19:58:40,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-23 19:58:40,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-01-23 19:58:40,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407131348] [2025-01-23 19:58:40,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 19:58:40,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-23 19:58:40,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 19:58:40,229 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-23 19:58:40,229 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2025-01-23 19:58:40,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:58:40,229 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 19:58:40,229 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 19:58:40,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:58:40,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:58:40,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 19:58:40,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 19:58:40,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:58:40,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:58:40,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:58:40,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 19:58:40,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 19:58:40,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:58:40,891 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-01-23 19:58:40,891 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-23 19:58:40,891 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 19:58:40,892 INFO L139 ounterexampleChecker]: Examining path program with hash 410324863, occurence #1 [2025-01-23 19:58:40,892 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 19:58:40,892 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 19:58:40,892 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:58:40,892 INFO L85 PathProgramCache]: Analyzing trace with hash -2107067197, now seen corresponding path program 4 times [2025-01-23 19:58:40,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 19:58:40,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040028347] [2025-01-23 19:58:40,892 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-23 19:58:40,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:58:40,909 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 133 statements into 2 equivalence classes. [2025-01-23 19:58:40,972 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 133 of 133 statements. [2025-01-23 19:58:40,972 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-23 19:58:40,972 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:58:41,546 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 55 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-01-23 19:58:41,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 19:58:41,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040028347] [2025-01-23 19:58:41,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040028347] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:58:41,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1372633486] [2025-01-23 19:58:41,546 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-23 19:58:41,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 19:58:41,547 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 19:58:41,550 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 19:58:41,553 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-01-23 19:58:41,640 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 133 statements into 2 equivalence classes. [2025-01-23 19:58:41,712 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 133 of 133 statements. [2025-01-23 19:58:41,713 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-23 19:58:41,713 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:58:41,717 INFO L256 TraceCheckSpWp]: Trace formula consists of 583 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-01-23 19:58:41,719 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 19:58:42,409 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 59 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-01-23 19:58:42,410 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 19:58:42,948 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 53 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-01-23 19:58:42,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1372633486] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 19:58:42,949 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 19:58:42,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 42 [2025-01-23 19:58:42,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461817783] [2025-01-23 19:58:42,950 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 19:58:42,950 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2025-01-23 19:58:42,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 19:58:42,952 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2025-01-23 19:58:42,955 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=554, Invalid=1252, Unknown=0, NotChecked=0, Total=1806 [2025-01-23 19:58:42,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:58:42,955 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 19:58:42,956 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 8.279069767441861) internal successors, (356), 42 states have internal predecessors, (356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 19:58:42,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:58:42,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:58:42,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 19:58:42,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 19:58:42,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:58:42,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:58:43,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:58:43,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:58:43,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 19:58:43,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 19:58:43,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:58:43,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-23 19:58:43,220 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-01-23 19:58:43,413 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-01-23 19:58:43,413 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-23 19:58:43,413 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 19:58:43,413 INFO L139 ounterexampleChecker]: Examining path program with hash 410324863, occurence #2 [2025-01-23 19:58:43,414 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-23 19:58:43,414 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-23 19:58:43,414 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:58:43,414 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-01-23 19:58:43,414 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:58:43,414 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2025-01-23 19:58:43,414 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:58:43,414 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2025-01-23 19:58:43,414 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:58:43,414 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2025-01-23 19:58:43,414 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:58:43,414 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 99 [2025-01-23 19:58:43,551 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 4 [2025-01-23 19:58:43,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:58:43,613 INFO L85 PathProgramCache]: Analyzing trace with hash -1065790740, now seen corresponding path program 1 times [2025-01-23 19:58:43,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-23 19:58:43,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113135116] [2025-01-23 19:58:43,613 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:58:43,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:58:43,628 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-01-23 19:58:43,654 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-01-23 19:58:43,654 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:58:43,654 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:58:43,916 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 28 proven. 1 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2025-01-23 19:58:43,916 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-23 19:58:43,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113135116] [2025-01-23 19:58:43,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113135116] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:58:43,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1224273372] [2025-01-23 19:58:43,917 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:58:43,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:58:43,942 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-01-23 19:58:43,983 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-01-23 19:58:43,983 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:58:43,983 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:58:43,986 INFO L256 TraceCheckSpWp]: Trace formula consists of 484 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-01-23 19:58:43,988 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 19:58:44,073 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 28 proven. 1 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2025-01-23 19:58:44,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1224273372] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:58:44,074 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-23 19:58:44,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2025-01-23 19:58:44,075 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-23 19:58:44,075 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 114 is hopeless, skipping. [2025-01-23 19:58:44,075 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2025-01-23 19:58:44,075 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:58:44,075 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 118 [2025-01-23 19:58:44,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:58:44,162 INFO L85 PathProgramCache]: Analyzing trace with hash -1869547826, now seen corresponding path program 1 times [2025-01-23 19:58:44,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-23 19:58:44,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826588309] [2025-01-23 19:58:44,162 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:58:44,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:58:44,180 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 119 statements into 1 equivalence classes. [2025-01-23 19:58:44,211 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 119 of 119 statements. [2025-01-23 19:58:44,211 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:58:44,211 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:58:44,740 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 10 proven. 49 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-23 19:58:44,741 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-23 19:58:44,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826588309] [2025-01-23 19:58:44,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826588309] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:58:44,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [497806784] [2025-01-23 19:58:44,742 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:58:44,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:58:44,757 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 119 statements into 1 equivalence classes. [2025-01-23 19:58:44,790 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 119 of 119 statements. [2025-01-23 19:58:44,790 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:58:44,790 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:58:44,793 INFO L256 TraceCheckSpWp]: Trace formula consists of 555 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-01-23 19:58:44,795 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 19:58:45,308 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 38 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-23 19:58:45,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [497806784] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:58:45,309 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-23 19:58:45,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 28 [2025-01-23 19:58:45,309 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-23 19:58:45,309 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 125 [2025-01-23 19:58:45,309 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:58:45,309 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 129 [2025-01-23 19:58:45,309 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:58:45,309 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 131 [2025-01-23 19:58:45,309 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:58:45,309 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-23 19:58:45,310 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 19:58:45,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:58:45,310 INFO L85 PathProgramCache]: Analyzing trace with hash -1689680189, now seen corresponding path program 5 times [2025-01-23 19:58:45,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 19:58:45,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754852517] [2025-01-23 19:58:45,310 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-23 19:58:45,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:58:45,327 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 137 statements into 4 equivalence classes. [2025-01-23 19:58:45,586 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) and asserted 137 of 137 statements. [2025-01-23 19:58:45,587 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2025-01-23 19:58:45,587 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:58:46,293 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 33 proven. 44 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-01-23 19:58:46,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 19:58:46,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754852517] [2025-01-23 19:58:46,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754852517] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:58:46,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [358319636] [2025-01-23 19:58:46,294 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-23 19:58:46,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 19:58:46,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 19:58:46,296 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 19:58:46,298 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-01-23 19:58:46,393 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 137 statements into 4 equivalence classes. [2025-01-23 19:58:46,493 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) and asserted 137 of 137 statements. [2025-01-23 19:58:46,493 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2025-01-23 19:58:46,493 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:58:46,497 INFO L256 TraceCheckSpWp]: Trace formula consists of 619 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-01-23 19:58:46,499 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 19:58:46,721 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 42 proven. 1 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-01-23 19:58:46,721 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 19:58:46,978 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 29 proven. 14 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-01-23 19:58:46,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [358319636] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 19:58:46,978 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 19:58:46,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 8, 8] total 31 [2025-01-23 19:58:46,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015179175] [2025-01-23 19:58:46,978 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 19:58:46,979 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2025-01-23 19:58:46,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 19:58:46,980 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2025-01-23 19:58:46,983 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=796, Unknown=0, NotChecked=0, Total=930 [2025-01-23 19:58:46,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:58:46,983 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 19:58:46,983 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 8.774193548387096) internal successors, (272), 31 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 19:58:46,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:58:46,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:58:46,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 19:58:46,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 19:58:46,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:58:46,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-23 19:58:46,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:58:47,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:58:47,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:58:47,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 19:58:47,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 19:58:47,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:58:47,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-23 19:58:47,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-23 19:58:47,386 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-01-23 19:58:47,578 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,SelfDestructingSolverStorable19,SelfDestructingSolverStorable20,SelfDestructingSolverStorable21,SelfDestructingSolverStorable22,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 19:58:47,578 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-23 19:58:47,578 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 19:58:47,579 INFO L139 ounterexampleChecker]: Examining path program with hash 410324863, occurence #3 [2025-01-23 19:58:47,579 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-23 19:58:47,579 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-23 19:58:47,579 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:58:47,579 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2025-01-23 19:58:47,579 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:58:47,579 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2025-01-23 19:58:47,579 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:58:47,579 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2025-01-23 19:58:47,579 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:58:47,579 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2025-01-23 19:58:47,579 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:58:47,579 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 103 [2025-01-23 19:58:47,723 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 4 [2025-01-23 19:58:47,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:58:47,778 INFO L85 PathProgramCache]: Analyzing trace with hash 230538805, now seen corresponding path program 1 times [2025-01-23 19:58:47,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-23 19:58:47,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871646518] [2025-01-23 19:58:47,778 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:58:47,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:58:47,795 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-01-23 19:58:47,822 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-01-23 19:58:47,822 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:58:47,822 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:58:48,199 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 30 proven. 22 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-01-23 19:58:48,200 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-23 19:58:48,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871646518] [2025-01-23 19:58:48,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [871646518] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:58:48,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1777211255] [2025-01-23 19:58:48,200 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:58:48,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:58:48,216 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-01-23 19:58:48,247 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-01-23 19:58:48,247 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:58:48,247 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:58:48,250 INFO L256 TraceCheckSpWp]: Trace formula consists of 520 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-01-23 19:58:48,252 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 19:58:48,655 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 42 proven. 10 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-01-23 19:58:48,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1777211255] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:58:48,655 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-23 19:58:48,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 23 [2025-01-23 19:58:48,656 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-23 19:58:48,656 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 118 is hopeless, skipping. [2025-01-23 19:58:48,656 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 119 [2025-01-23 19:58:48,656 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:58:48,656 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 122 [2025-01-23 19:58:48,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:58:48,737 INFO L85 PathProgramCache]: Analyzing trace with hash 1489094321, now seen corresponding path program 1 times [2025-01-23 19:58:48,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-23 19:58:48,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31674552] [2025-01-23 19:58:48,737 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:58:48,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:58:48,752 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 123 statements into 1 equivalence classes. [2025-01-23 19:58:48,784 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 123 of 123 statements. [2025-01-23 19:58:48,784 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:58:48,784 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:58:49,496 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 21 proven. 56 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-01-23 19:58:49,496 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-23 19:58:49,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31674552] [2025-01-23 19:58:49,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31674552] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:58:49,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [4254099] [2025-01-23 19:58:49,497 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:58:49,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:58:49,516 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 123 statements into 1 equivalence classes. [2025-01-23 19:58:49,554 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 123 of 123 statements. [2025-01-23 19:58:49,555 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:58:49,555 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:58:49,558 INFO L256 TraceCheckSpWp]: Trace formula consists of 591 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-01-23 19:58:49,560 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 19:58:50,188 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 49 proven. 28 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-01-23 19:58:50,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [4254099] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:58:50,189 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-23 19:58:50,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2025-01-23 19:58:50,189 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-23 19:58:50,189 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 129 [2025-01-23 19:58:50,189 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:58:50,189 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 133 [2025-01-23 19:58:50,189 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:58:50,190 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 135 [2025-01-23 19:58:50,190 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:58:50,190 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-23 19:58:50,190 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 19:58:50,190 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:58:50,190 INFO L85 PathProgramCache]: Analyzing trace with hash 144374112, now seen corresponding path program 6 times [2025-01-23 19:58:50,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 19:58:50,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216101520] [2025-01-23 19:58:50,191 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-23 19:58:50,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:58:50,208 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 141 statements into 5 equivalence classes. [2025-01-23 19:58:50,282 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) and asserted 85 of 141 statements. [2025-01-23 19:58:50,282 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2025-01-23 19:58:50,282 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:58:50,655 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2025-01-23 19:58:50,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 19:58:50,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216101520] [2025-01-23 19:58:50,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216101520] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-23 19:58:50,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-23 19:58:50,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-23 19:58:50,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347987861] [2025-01-23 19:58:50,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 19:58:50,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-23 19:58:50,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 19:58:50,657 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-23 19:58:50,657 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-01-23 19:58:50,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:58:50,658 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 19:58:50,658 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 19:58:50,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:58:50,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:58:50,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 19:58:50,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 19:58:50,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:58:50,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-23 19:58:50,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-01-23 19:58:50,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:58:53,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:58:53,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:58:53,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 19:58:53,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-23 19:58:53,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:58:53,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-23 19:58:53,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-23 19:58:53,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:58:53,417 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,SelfDestructingSolverStorable24,SelfDestructingSolverStorable25,SelfDestructingSolverStorable26,SelfDestructingSolverStorable27 [2025-01-23 19:58:53,417 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-23 19:58:53,417 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 19:58:53,417 INFO L139 ounterexampleChecker]: Examining path program with hash -1984248049, occurence #1 [2025-01-23 19:58:53,418 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 19:58:53,418 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 19:58:53,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:58:53,418 INFO L85 PathProgramCache]: Analyzing trace with hash 603064246, now seen corresponding path program 7 times [2025-01-23 19:58:53,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 19:58:53,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536427565] [2025-01-23 19:58:53,418 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-23 19:58:53,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:58:53,442 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 219 statements into 1 equivalence classes. [2025-01-23 19:58:53,519 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 219 of 219 statements. [2025-01-23 19:58:53,519 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:58:53,520 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:58:54,440 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 158 proven. 184 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2025-01-23 19:58:54,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 19:58:54,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536427565] [2025-01-23 19:58:54,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536427565] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:58:54,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [756842607] [2025-01-23 19:58:54,441 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-23 19:58:54,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 19:58:54,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 19:58:54,443 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 19:58:54,447 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-01-23 19:58:54,591 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 219 statements into 1 equivalence classes. [2025-01-23 19:58:54,723 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 219 of 219 statements. [2025-01-23 19:58:54,724 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:58:54,724 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:58:54,729 INFO L256 TraceCheckSpWp]: Trace formula consists of 961 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-01-23 19:58:54,735 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 19:58:54,851 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 171 proven. 0 refuted. 0 times theorem prover too weak. 257 trivial. 0 not checked. [2025-01-23 19:58:54,851 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-23 19:58:54,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [756842607] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-23 19:58:54,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-23 19:58:54,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [17] total 19 [2025-01-23 19:58:54,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408219127] [2025-01-23 19:58:54,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 19:58:54,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-23 19:58:54,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 19:58:54,853 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-23 19:58:54,854 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=293, Unknown=0, NotChecked=0, Total=380 [2025-01-23 19:58:54,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:58:54,854 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 19:58:54,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 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) [2025-01-23 19:58:54,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:58:54,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:58:54,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 19:58:54,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-23 19:58:54,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:58:54,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-23 19:58:54,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-01-23 19:58:54,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:58:54,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:58:56,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:58:56,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:58:56,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 19:58:56,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-23 19:58:56,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:58:56,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-23 19:58:56,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-23 19:58:56,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:58:56,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:58:56,678 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-01-23 19:58:56,871 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2025-01-23 19:58:56,872 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-23 19:58:56,872 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 19:58:56,872 INFO L139 ounterexampleChecker]: Examining path program with hash 1864721576, occurence #1 [2025-01-23 19:58:56,872 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 19:58:56,872 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 19:58:56,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:58:56,872 INFO L85 PathProgramCache]: Analyzing trace with hash -2132885240, now seen corresponding path program 8 times [2025-01-23 19:58:56,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 19:58:56,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213814371] [2025-01-23 19:58:56,873 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-23 19:58:56,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:58:56,890 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 189 statements into 2 equivalence classes. [2025-01-23 19:58:56,947 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 189 of 189 statements. [2025-01-23 19:58:56,947 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-23 19:58:56,947 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:58:57,506 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 33 proven. 87 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2025-01-23 19:58:57,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 19:58:57,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213814371] [2025-01-23 19:58:57,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213814371] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:58:57,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [954339846] [2025-01-23 19:58:57,506 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-23 19:58:57,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 19:58:57,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 19:58:57,508 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 19:58:57,510 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-01-23 19:58:57,628 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 189 statements into 2 equivalence classes. [2025-01-23 19:58:57,720 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 189 of 189 statements. [2025-01-23 19:58:57,720 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-23 19:58:57,720 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:58:57,723 INFO L256 TraceCheckSpWp]: Trace formula consists of 821 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-01-23 19:58:57,726 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 19:58:58,040 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 128 proven. 10 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2025-01-23 19:58:58,041 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 19:58:58,327 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 103 proven. 35 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2025-01-23 19:58:58,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [954339846] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 19:58:58,327 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 19:58:58,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 30 [2025-01-23 19:58:58,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011560886] [2025-01-23 19:58:58,328 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 19:58:58,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2025-01-23 19:58:58,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 19:58:58,329 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2025-01-23 19:58:58,329 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=202, Invalid=668, Unknown=0, NotChecked=0, Total=870 [2025-01-23 19:58:58,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:58:58,329 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 19:58:58,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 7.533333333333333) internal successors, (226), 30 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 19:58:58,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:58:58,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:58:58,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 19:58:58,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-23 19:58:58,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:58:58,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-23 19:58:58,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-01-23 19:58:58,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:58:58,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:58:58,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:58:58,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:58:58,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:58:58,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 19:58:58,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-23 19:58:58,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:58:58,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-23 19:58:58,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-23 19:58:58,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:58:58,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:58:58,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 19:58:58,602 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-01-23 19:58:58,793 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 19:58:58,794 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-23 19:58:58,794 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 19:58:58,794 INFO L139 ounterexampleChecker]: Examining path program with hash 1864721576, occurence #2 [2025-01-23 19:58:58,794 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-23 19:58:58,794 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-23 19:58:58,794 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:58:58,794 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2025-01-23 19:58:58,794 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:58:58,794 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2025-01-23 19:58:58,794 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:58:58,794 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2025-01-23 19:58:58,795 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:58:58,795 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2025-01-23 19:58:58,795 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:58:58,795 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 112 [2025-01-23 19:58:58,991 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-23 19:58:58,992 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 96 treesize of output 51 [2025-01-23 19:59:08,456 WARN L331 ript$VariableManager]: TermVariable v_~q2~0.offset_In_6 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-23 19:59:08,457 WARN L331 ript$VariableManager]: TermVariable v_~q2_front~0_In_8 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-23 19:59:08,457 WARN L331 ript$VariableManager]: TermVariable v_~q2~0.base_In_6 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-23 19:59:08,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:59:08,457 INFO L85 PathProgramCache]: Analyzing trace with hash -762039154, now seen corresponding path program 1 times [2025-01-23 19:59:08,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-23 19:59:08,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146879481] [2025-01-23 19:59:08,457 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:59:08,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:59:08,470 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 113 statements into 1 equivalence classes. [2025-01-23 19:59:08,497 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 113 of 113 statements. [2025-01-23 19:59:08,497 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:59:08,498 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:59:08,952 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 31 proven. 27 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2025-01-23 19:59:08,952 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-23 19:59:08,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146879481] [2025-01-23 19:59:08,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146879481] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:59:08,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1389333822] [2025-01-23 19:59:08,953 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:59:08,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:59:08,987 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 113 statements into 1 equivalence classes. [2025-01-23 19:59:09,017 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 113 of 113 statements. [2025-01-23 19:59:09,017 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:59:09,017 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:59:09,019 INFO L256 TraceCheckSpWp]: Trace formula consists of 549 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-01-23 19:59:09,023 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 19:59:09,388 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 43 proven. 15 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2025-01-23 19:59:09,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1389333822] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:59:09,388 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-23 19:59:09,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 25 [2025-01-23 19:59:09,388 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-23 19:59:09,388 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 165 [2025-01-23 19:59:09,388 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:59:09,388 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 168 [2025-01-23 19:59:09,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:59:09,447 INFO L85 PathProgramCache]: Analyzing trace with hash 1055800535, now seen corresponding path program 1 times [2025-01-23 19:59:09,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-23 19:59:09,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109493899] [2025-01-23 19:59:09,448 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:59:09,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:59:09,486 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 169 statements into 1 equivalence classes. [2025-01-23 19:59:09,527 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 169 of 169 statements. [2025-01-23 19:59:09,528 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:59:09,528 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:59:10,153 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 34 proven. 113 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2025-01-23 19:59:10,153 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-23 19:59:10,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109493899] [2025-01-23 19:59:10,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [109493899] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:59:10,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [521595908] [2025-01-23 19:59:10,154 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:59:10,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:59:10,172 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 169 statements into 1 equivalence classes. [2025-01-23 19:59:10,220 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 169 of 169 statements. [2025-01-23 19:59:10,221 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:59:10,221 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:59:10,225 INFO L256 TraceCheckSpWp]: Trace formula consists of 752 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-01-23 19:59:10,228 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 19:59:10,580 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 113 proven. 34 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2025-01-23 19:59:10,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [521595908] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:59:10,580 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-23 19:59:10,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 25 [2025-01-23 19:59:10,581 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-23 19:59:10,581 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 182 [2025-01-23 19:59:10,581 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:59:10,581 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 184 [2025-01-23 19:59:10,581 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:59:10,581 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-23 19:59:10,581 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 19:59:10,581 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:59:10,581 INFO L85 PathProgramCache]: Analyzing trace with hash -386868749, now seen corresponding path program 9 times [2025-01-23 19:59:10,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 19:59:10,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250888732] [2025-01-23 19:59:10,581 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-23 19:59:10,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:59:10,602 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 190 statements into 5 equivalence classes. [2025-01-23 19:59:10,637 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 73 of 190 statements. [2025-01-23 19:59:10,637 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-01-23 19:59:10,637 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:59:10,872 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2025-01-23 19:59:10,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 19:59:10,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250888732] [2025-01-23 19:59:10,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250888732] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-23 19:59:10,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-23 19:59:10,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-23 19:59:10,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412395038] [2025-01-23 19:59:10,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 19:59:10,873 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-23 19:59:10,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 19:59:10,874 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-23 19:59:10,874 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-01-23 19:59:10,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:59:10,874 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 19:59:10,874 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 19:59:10,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:59:10,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:59:10,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 19:59:10,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-23 19:59:10,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:59:10,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-23 19:59:10,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-01-23 19:59:10,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:59:10,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:59:10,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-23 19:59:10,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:59:11,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:59:11,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:59:11,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 19:59:11,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-23 19:59:11,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:59:11,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-23 19:59:11,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-23 19:59:11,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:59:11,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:59:11,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 19:59:11,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 19:59:11,371 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,SelfDestructingSolverStorable31,SelfDestructingSolverStorable32,SelfDestructingSolverStorable33,SelfDestructingSolverStorable34 [2025-01-23 19:59:11,372 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-23 19:59:11,372 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 19:59:11,372 INFO L139 ounterexampleChecker]: Examining path program with hash 186243192, occurence #1 [2025-01-23 19:59:11,373 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 19:59:11,373 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 19:59:11,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:59:11,373 INFO L85 PathProgramCache]: Analyzing trace with hash 2024487350, now seen corresponding path program 10 times [2025-01-23 19:59:11,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 19:59:11,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94809150] [2025-01-23 19:59:11,373 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-23 19:59:11,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:59:11,391 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 186 statements into 2 equivalence classes. [2025-01-23 19:59:11,440 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 186 of 186 statements. [2025-01-23 19:59:11,441 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-23 19:59:11,441 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:59:12,267 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 155 proven. 36 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-01-23 19:59:12,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 19:59:12,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94809150] [2025-01-23 19:59:12,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94809150] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:59:12,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1343185720] [2025-01-23 19:59:12,267 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-23 19:59:12,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 19:59:12,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 19:59:12,270 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 19:59:12,272 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-01-23 19:59:12,387 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 186 statements into 2 equivalence classes. [2025-01-23 19:59:12,493 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 186 of 186 statements. [2025-01-23 19:59:12,494 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-23 19:59:12,494 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:59:12,498 INFO L256 TraceCheckSpWp]: Trace formula consists of 821 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-01-23 19:59:12,501 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 19:59:13,258 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 163 proven. 28 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-01-23 19:59:13,258 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 19:59:13,922 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 150 proven. 41 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-01-23 19:59:13,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1343185720] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 19:59:13,922 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 19:59:13,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22, 22] total 63 [2025-01-23 19:59:13,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10553799] [2025-01-23 19:59:13,922 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 19:59:13,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2025-01-23 19:59:13,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 19:59:13,924 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2025-01-23 19:59:13,925 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1022, Invalid=3010, Unknown=0, NotChecked=0, Total=4032 [2025-01-23 19:59:13,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:59:13,925 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 19:59:13,926 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 64 states have (on average 7.640625) internal successors, (489), 63 states have internal predecessors, (489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 19:59:13,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:59:13,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:59:13,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 19:59:13,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-23 19:59:13,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:59:13,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-23 19:59:13,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-01-23 19:59:13,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:59:13,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:59:13,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-23 19:59:13,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 19:59:13,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:59:14,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:59:14,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:59:14,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 19:59:14,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-23 19:59:14,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:59:14,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-23 19:59:14,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-23 19:59:14,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:59:14,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:59:14,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 19:59:14,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 19:59:14,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-23 19:59:14,273 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-01-23 19:59:14,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 19:59:14,466 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-23 19:59:14,466 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 19:59:14,466 INFO L139 ounterexampleChecker]: Examining path program with hash 186243192, occurence #2 [2025-01-23 19:59:14,466 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-23 19:59:14,466 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-23 19:59:14,466 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:59:14,466 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2025-01-23 19:59:14,467 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:59:14,467 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2025-01-23 19:59:14,467 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:59:14,467 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2025-01-23 19:59:14,467 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:59:14,467 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-01-23 19:59:14,467 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:59:14,467 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 118 [2025-01-23 19:59:14,760 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-23 19:59:14,760 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 96 treesize of output 51 [2025-01-23 19:59:17,904 WARN L331 ript$VariableManager]: TermVariable v_~q1~0.offset_In_6 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-23 19:59:17,904 WARN L331 ript$VariableManager]: TermVariable v_~q1~0.base_In_6 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-23 19:59:17,904 WARN L331 ript$VariableManager]: TermVariable v_~q1_front~0_In_9 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-23 19:59:17,904 WARN L331 ript$VariableManager]: TermVariable v_~q2_front~0_In_9 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-23 19:59:17,904 WARN L331 ript$VariableManager]: TermVariable v_~q2~0.base_In_7 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-23 19:59:17,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:59:17,905 INFO L85 PathProgramCache]: Analyzing trace with hash 1679003558, now seen corresponding path program 1 times [2025-01-23 19:59:17,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-23 19:59:17,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357934634] [2025-01-23 19:59:17,905 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:59:17,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:59:17,918 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 119 statements into 1 equivalence classes. [2025-01-23 19:59:17,933 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 119 of 119 statements. [2025-01-23 19:59:17,933 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:59:17,933 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:59:18,302 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 31 proven. 27 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2025-01-23 19:59:18,302 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-23 19:59:18,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357934634] [2025-01-23 19:59:18,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357934634] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:59:18,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [8456868] [2025-01-23 19:59:18,302 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:59:18,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:59:18,319 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 119 statements into 1 equivalence classes. [2025-01-23 19:59:18,350 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 119 of 119 statements. [2025-01-23 19:59:18,350 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:59:18,350 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:59:18,353 INFO L256 TraceCheckSpWp]: Trace formula consists of 603 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-01-23 19:59:18,357 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 19:59:18,779 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 43 proven. 15 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2025-01-23 19:59:18,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [8456868] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:59:18,779 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-23 19:59:18,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 25 [2025-01-23 19:59:18,780 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-23 19:59:18,780 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 171 [2025-01-23 19:59:18,780 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:59:18,780 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 174 [2025-01-23 19:59:18,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:59:18,840 INFO L85 PathProgramCache]: Analyzing trace with hash -425682961, now seen corresponding path program 1 times [2025-01-23 19:59:18,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-23 19:59:18,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140085152] [2025-01-23 19:59:18,840 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:59:18,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:59:18,855 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 175 statements into 1 equivalence classes. [2025-01-23 19:59:18,889 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 175 of 175 statements. [2025-01-23 19:59:18,889 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:59:18,889 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:59:19,354 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 34 proven. 113 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2025-01-23 19:59:19,354 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-23 19:59:19,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140085152] [2025-01-23 19:59:19,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140085152] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:59:19,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [173284404] [2025-01-23 19:59:19,354 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:59:19,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:59:19,388 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 175 statements into 1 equivalence classes. [2025-01-23 19:59:19,440 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 175 of 175 statements. [2025-01-23 19:59:19,440 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:59:19,440 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:59:19,445 INFO L256 TraceCheckSpWp]: Trace formula consists of 805 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-01-23 19:59:19,448 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 19:59:19,809 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 113 proven. 34 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2025-01-23 19:59:19,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [173284404] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:59:19,809 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-23 19:59:19,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 25 [2025-01-23 19:59:19,809 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-23 19:59:19,810 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 186 [2025-01-23 19:59:19,810 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:59:19,810 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-23 19:59:19,810 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 19:59:19,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:59:19,810 INFO L85 PathProgramCache]: Analyzing trace with hash -962969930, now seen corresponding path program 11 times [2025-01-23 19:59:19,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 19:59:19,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111933287] [2025-01-23 19:59:19,810 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-23 19:59:19,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:59:19,829 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 192 statements into 8 equivalence classes. [2025-01-23 19:59:20,046 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) and asserted 192 of 192 statements. [2025-01-23 19:59:20,047 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2025-01-23 19:59:20,047 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:59:20,662 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 134 proven. 33 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2025-01-23 19:59:20,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 19:59:20,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111933287] [2025-01-23 19:59:20,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111933287] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:59:20,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [8668695] [2025-01-23 19:59:20,663 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-23 19:59:20,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 19:59:20,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 19:59:20,666 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 19:59:20,669 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-01-23 19:59:20,796 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 192 statements into 8 equivalence classes. [2025-01-23 19:59:22,381 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) and asserted 192 of 192 statements. [2025-01-23 19:59:22,381 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2025-01-23 19:59:22,381 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:59:22,387 INFO L256 TraceCheckSpWp]: Trace formula consists of 875 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-01-23 19:59:22,390 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 19:59:22,836 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 152 proven. 15 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2025-01-23 19:59:22,836 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 19:59:23,218 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 107 proven. 60 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2025-01-23 19:59:23,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [8668695] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 19:59:23,218 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 19:59:23,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 43 [2025-01-23 19:59:23,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943442213] [2025-01-23 19:59:23,218 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 19:59:23,219 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2025-01-23 19:59:23,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 19:59:23,220 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2025-01-23 19:59:23,220 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=441, Invalid=1365, Unknown=0, NotChecked=0, Total=1806 [2025-01-23 19:59:23,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:59:23,220 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 19:59:23,221 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 8.325581395348838) internal successors, (358), 43 states have internal predecessors, (358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 19:59:23,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:59:23,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:59:23,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 19:59:23,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-23 19:59:23,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:59:23,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-23 19:59:23,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-01-23 19:59:23,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:59:23,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:59:23,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-23 19:59:23,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 19:59:23,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-23 19:59:23,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:59:23,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:59:23,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:59:23,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 19:59:23,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-23 19:59:23,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:59:23,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-23 19:59:23,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-23 19:59:23,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:59:23,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:59:23,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 19:59:23,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 19:59:23,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-23 19:59:23,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-23 19:59:23,397 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-01-23 19:59:23,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,SelfDestructingSolverStorable36,SelfDestructingSolverStorable37,SelfDestructingSolverStorable38,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2025-01-23 19:59:23,588 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-23 19:59:23,588 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 19:59:23,588 INFO L139 ounterexampleChecker]: Examining path program with hash 186243192, occurence #3 [2025-01-23 19:59:23,588 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-23 19:59:23,588 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-23 19:59:23,588 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:59:23,588 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2025-01-23 19:59:23,588 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:59:23,588 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-01-23 19:59:23,588 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:59:23,588 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-01-23 19:59:23,588 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:59:23,588 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2025-01-23 19:59:23,588 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:59:23,588 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 121 [2025-01-23 19:59:23,799 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-23 19:59:23,799 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 96 treesize of output 51 [2025-01-23 19:59:25,444 WARN L331 ript$VariableManager]: TermVariable v_~q1~0.offset_In_7 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-23 19:59:25,444 WARN L331 ript$VariableManager]: TermVariable v_~q2_front~0_In_10 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-23 19:59:25,444 WARN L331 ript$VariableManager]: TermVariable v_~q1_front~0_In_11 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-23 19:59:25,444 WARN L331 ript$VariableManager]: TermVariable v_~q1~0.base_In_7 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-23 19:59:25,444 WARN L331 ript$VariableManager]: TermVariable v_~q2~0.base_In_8 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-23 19:59:25,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:59:25,445 INFO L85 PathProgramCache]: Analyzing trace with hash -1170591305, now seen corresponding path program 1 times [2025-01-23 19:59:25,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-23 19:59:25,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745678542] [2025-01-23 19:59:25,445 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:59:25,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:59:25,460 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 122 statements into 1 equivalence classes. [2025-01-23 19:59:25,965 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 122 of 122 statements. [2025-01-23 19:59:25,965 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:59:25,965 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-23 19:59:25,972 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-23 19:59:25,972 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-23 19:59:25,972 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 174 [2025-01-23 19:59:25,972 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:59:25,972 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 177 [2025-01-23 19:59:26,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:59:26,056 INFO L85 PathProgramCache]: Analyzing trace with hash -573203200, now seen corresponding path program 1 times [2025-01-23 19:59:26,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-23 19:59:26,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445435450] [2025-01-23 19:59:26,056 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:59:26,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:59:26,078 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 178 statements into 1 equivalence classes. [2025-01-23 19:59:26,121 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 178 of 178 statements. [2025-01-23 19:59:26,121 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:59:26,121 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:59:26,855 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 50 proven. 139 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2025-01-23 19:59:26,856 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-23 19:59:26,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445435450] [2025-01-23 19:59:26,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [445435450] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:59:26,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [936524390] [2025-01-23 19:59:26,856 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:59:26,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:59:26,873 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 178 statements into 1 equivalence classes. [2025-01-23 19:59:26,908 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 178 of 178 statements. [2025-01-23 19:59:26,908 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:59:26,908 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:59:26,911 INFO L256 TraceCheckSpWp]: Trace formula consists of 832 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-01-23 19:59:26,913 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 19:59:27,425 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 97 proven. 92 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2025-01-23 19:59:27,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [936524390] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:59:27,425 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-23 19:59:27,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 37 [2025-01-23 19:59:27,426 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-23 19:59:27,426 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 189 [2025-01-23 19:59:27,426 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:59:27,426 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-23 19:59:27,426 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 19:59:27,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:59:27,426 INFO L85 PathProgramCache]: Analyzing trace with hash -877358837, now seen corresponding path program 12 times [2025-01-23 19:59:27,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 19:59:27,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708473464] [2025-01-23 19:59:27,426 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-23 19:59:27,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:59:27,444 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 195 statements into 8 equivalence classes. [2025-01-23 19:59:27,505 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) and asserted 108 of 195 statements. [2025-01-23 19:59:27,505 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2025-01-23 19:59:27,505 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:59:27,767 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 97 proven. 12 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2025-01-23 19:59:27,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 19:59:27,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708473464] [2025-01-23 19:59:27,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708473464] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:59:27,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [521036963] [2025-01-23 19:59:27,768 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-23 19:59:27,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 19:59:27,768 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 19:59:27,770 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 19:59:27,772 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-01-23 19:59:27,942 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 195 statements into 8 equivalence classes. [2025-01-23 19:59:28,025 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) and asserted 108 of 195 statements. [2025-01-23 19:59:28,026 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2025-01-23 19:59:28,026 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:59:28,029 INFO L256 TraceCheckSpWp]: Trace formula consists of 559 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-01-23 19:59:28,033 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 19:59:28,240 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 97 proven. 12 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2025-01-23 19:59:28,240 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 19:59:28,490 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 101 proven. 15 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2025-01-23 19:59:28,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [521036963] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 19:59:28,491 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 19:59:28,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8, 13] total 20 [2025-01-23 19:59:28,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122605621] [2025-01-23 19:59:28,491 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 19:59:28,492 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-01-23 19:59:28,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 19:59:28,492 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-01-23 19:59:28,492 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=308, Unknown=0, NotChecked=0, Total=380 [2025-01-23 19:59:28,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:59:28,492 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 19:59:28,493 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 7.95) internal successors, (159), 20 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 19:59:28,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:59:28,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:59:28,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 19:59:28,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-23 19:59:28,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:59:28,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-23 19:59:28,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-01-23 19:59:28,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:59:28,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:59:28,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-23 19:59:28,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 19:59:28,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-23 19:59:28,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-23 19:59:28,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:59:34,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:59:34,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:59:34,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 19:59:34,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-23 19:59:34,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:59:34,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-23 19:59:34,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-23 19:59:34,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:59:34,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:59:34,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 19:59:34,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 19:59:34,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-23 19:59:34,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-23 19:59:34,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2025-01-23 19:59:34,992 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-01-23 19:59:35,185 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,SelfDestructingSolverStorable42,SelfDestructingSolverStorable43,SelfDestructingSolverStorable44,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 19:59:35,186 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-23 19:59:35,186 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 19:59:35,186 INFO L139 ounterexampleChecker]: Examining path program with hash -530355304, occurence #1 [2025-01-23 19:59:35,186 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 19:59:35,186 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 19:59:35,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:59:35,187 INFO L85 PathProgramCache]: Analyzing trace with hash 1788676515, now seen corresponding path program 13 times [2025-01-23 19:59:35,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 19:59:35,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299373891] [2025-01-23 19:59:35,187 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-23 19:59:35,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:59:35,219 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 404 statements into 1 equivalence classes. [2025-01-23 19:59:35,384 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 404 of 404 statements. [2025-01-23 19:59:35,384 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:59:35,384 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:59:37,489 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 420 proven. 418 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2025-01-23 19:59:37,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 19:59:37,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299373891] [2025-01-23 19:59:37,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299373891] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:59:37,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [790506188] [2025-01-23 19:59:37,489 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-23 19:59:37,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 19:59:37,490 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 19:59:37,491 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 19:59:37,492 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-01-23 19:59:37,674 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 404 statements into 1 equivalence classes. [2025-01-23 19:59:37,834 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 404 of 404 statements. [2025-01-23 19:59:37,834 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:59:37,834 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:59:37,839 INFO L256 TraceCheckSpWp]: Trace formula consists of 1655 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-01-23 19:59:37,843 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 19:59:37,966 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 403 proven. 0 refuted. 0 times theorem prover too weak. 589 trivial. 0 not checked. [2025-01-23 19:59:37,966 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-23 19:59:37,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [790506188] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-23 19:59:37,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-23 19:59:37,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [32] total 34 [2025-01-23 19:59:37,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987034378] [2025-01-23 19:59:37,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 19:59:37,967 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-23 19:59:37,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 19:59:37,967 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-23 19:59:37,967 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=240, Invalid=950, Unknown=0, NotChecked=0, Total=1190 [2025-01-23 19:59:37,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:59:37,968 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 19:59:37,968 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 19:59:37,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:59:37,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:59:37,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 19:59:37,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-23 19:59:37,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:59:37,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-23 19:59:37,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-01-23 19:59:37,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:59:37,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:59:37,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-23 19:59:37,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 19:59:37,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-23 19:59:37,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-23 19:59:37,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2025-01-23 19:59:37,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:59:39,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:59:39,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:59:39,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 19:59:39,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-23 19:59:39,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:59:39,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-23 19:59:39,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-23 19:59:39,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:59:39,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:59:39,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 19:59:39,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:59:39,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-23 19:59:39,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-23 19:59:39,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2025-01-23 19:59:39,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:59:39,044 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-01-23 19:59:39,236 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2025-01-23 19:59:39,236 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-23 19:59:39,236 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 19:59:39,237 INFO L139 ounterexampleChecker]: Examining path program with hash -358009929, occurence #1 [2025-01-23 19:59:39,237 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 19:59:39,237 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 19:59:39,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:59:39,237 INFO L85 PathProgramCache]: Analyzing trace with hash -2102898500, now seen corresponding path program 14 times [2025-01-23 19:59:39,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 19:59:39,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574715306] [2025-01-23 19:59:39,237 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-23 19:59:39,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:59:39,262 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 359 statements into 2 equivalence classes. [2025-01-23 19:59:39,351 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 359 of 359 statements. [2025-01-23 19:59:39,351 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-23 19:59:39,351 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:59:40,872 INFO L134 CoverageAnalysis]: Checked inductivity of 995 backedges. 199 proven. 594 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2025-01-23 19:59:40,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 19:59:40,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574715306] [2025-01-23 19:59:40,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574715306] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:59:40,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2055074251] [2025-01-23 19:59:40,872 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-23 19:59:40,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 19:59:40,873 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 19:59:40,875 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 19:59:40,877 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-01-23 19:59:41,085 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 359 statements into 2 equivalence classes. [2025-01-23 19:59:41,241 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 359 of 359 statements. [2025-01-23 19:59:41,242 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-23 19:59:41,242 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:59:41,247 INFO L256 TraceCheckSpWp]: Trace formula consists of 1445 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-01-23 19:59:41,252 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 19:59:41,438 INFO L134 CoverageAnalysis]: Checked inductivity of 995 backedges. 494 proven. 52 refuted. 0 times theorem prover too weak. 449 trivial. 0 not checked. [2025-01-23 19:59:41,438 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 19:59:42,144 INFO L134 CoverageAnalysis]: Checked inductivity of 995 backedges. 467 proven. 106 refuted. 0 times theorem prover too weak. 422 trivial. 0 not checked. [2025-01-23 19:59:42,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2055074251] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 19:59:42,145 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 19:59:42,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 4, 16] total 47 [2025-01-23 19:59:42,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943225938] [2025-01-23 19:59:42,145 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 19:59:42,146 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2025-01-23 19:59:42,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 19:59:42,147 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2025-01-23 19:59:42,148 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=358, Invalid=1898, Unknown=0, NotChecked=0, Total=2256 [2025-01-23 19:59:42,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:59:42,148 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 19:59:42,148 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 8.583333333333334) internal successors, (412), 47 states have internal predecessors, (412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 19:59:42,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:59:42,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:59:42,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 19:59:42,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-23 19:59:42,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:59:42,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-23 19:59:42,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-01-23 19:59:42,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:59:42,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:59:42,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-23 19:59:42,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:59:42,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-23 19:59:42,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-23 19:59:42,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2025-01-23 19:59:42,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:59:42,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:59:42,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:59:42,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:59:42,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 19:59:42,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-23 19:59:42,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:59:42,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-23 19:59:42,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-23 19:59:42,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:59:42,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:59:42,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 19:59:42,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:59:42,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-23 19:59:42,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-23 19:59:42,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2025-01-23 19:59:42,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:59:42,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-23 19:59:42,913 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-01-23 19:59:43,106 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,SelfDestructingSolverStorable46 [2025-01-23 19:59:43,106 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-23 19:59:43,106 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 19:59:43,107 INFO L139 ounterexampleChecker]: Examining path program with hash -141916812, occurence #1 [2025-01-23 19:59:43,107 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 19:59:43,107 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 19:59:43,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:59:43,107 INFO L85 PathProgramCache]: Analyzing trace with hash -1008359417, now seen corresponding path program 15 times [2025-01-23 19:59:43,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 19:59:43,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348866522] [2025-01-23 19:59:43,107 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-23 19:59:43,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:59:43,124 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 202 statements into 8 equivalence classes. [2025-01-23 19:59:43,181 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 136 of 202 statements. [2025-01-23 19:59:43,181 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-01-23 19:59:43,181 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:59:43,467 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2025-01-23 19:59:43,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 19:59:43,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348866522] [2025-01-23 19:59:43,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348866522] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-23 19:59:43,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-23 19:59:43,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-23 19:59:43,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861918472] [2025-01-23 19:59:43,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 19:59:43,467 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-23 19:59:43,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 19:59:43,468 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-23 19:59:43,468 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-01-23 19:59:43,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:59:43,468 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 19:59:43,468 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 19:59:43,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:59:43,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:59:43,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 19:59:43,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-23 19:59:43,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:59:43,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-23 19:59:43,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-01-23 19:59:43,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:59:43,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:59:43,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-23 19:59:43,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:59:43,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-23 19:59:43,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-23 19:59:43,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2025-01-23 19:59:43,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:59:43,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-01-23 19:59:43,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:59:43,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:59:43,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:59:43,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 19:59:43,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-23 19:59:43,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:59:43,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-23 19:59:43,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-23 19:59:43,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:59:43,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:59:43,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 19:59:43,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:59:43,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-23 19:59:43,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-23 19:59:43,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2025-01-23 19:59:43,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:59:43,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-23 19:59:43,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 19:59:43,755 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2025-01-23 19:59:43,755 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-23 19:59:43,755 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 19:59:43,756 INFO L139 ounterexampleChecker]: Examining path program with hash 1412375656, occurence #1 [2025-01-23 19:59:43,756 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 19:59:43,756 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 19:59:43,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:59:43,756 INFO L85 PathProgramCache]: Analyzing trace with hash 548893577, now seen corresponding path program 16 times [2025-01-23 19:59:43,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 19:59:43,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092005883] [2025-01-23 19:59:43,756 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-23 19:59:43,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:59:43,773 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 237 statements into 2 equivalence classes. [2025-01-23 19:59:43,850 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 237 of 237 statements. [2025-01-23 19:59:43,850 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-23 19:59:43,850 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:59:44,997 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 256 proven. 115 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2025-01-23 19:59:44,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 19:59:44,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092005883] [2025-01-23 19:59:44,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092005883] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:59:44,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [936424755] [2025-01-23 19:59:44,997 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-23 19:59:44,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 19:59:44,997 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 19:59:45,001 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 19:59:45,006 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-01-23 19:59:45,178 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 237 statements into 2 equivalence classes. [2025-01-23 19:59:45,279 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 237 of 237 statements. [2025-01-23 19:59:45,280 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-23 19:59:45,280 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:59:45,284 INFO L256 TraceCheckSpWp]: Trace formula consists of 1054 conjuncts, 35 conjuncts are in the unsatisfiable core [2025-01-23 19:59:45,288 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 19:59:46,547 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 266 proven. 105 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2025-01-23 19:59:46,547 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 19:59:47,658 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 254 proven. 117 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2025-01-23 19:59:47,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [936424755] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 19:59:47,658 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 19:59:47,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32, 32] total 93 [2025-01-23 19:59:47,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951236919] [2025-01-23 19:59:47,658 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 19:59:47,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 94 states [2025-01-23 19:59:47,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 19:59:47,661 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2025-01-23 19:59:47,664 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1877, Invalid=6865, Unknown=0, NotChecked=0, Total=8742 [2025-01-23 19:59:47,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:59:47,664 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 19:59:47,665 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 94 states, 94 states have (on average 6.595744680851064) internal successors, (620), 93 states have internal predecessors, (620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 19:59:47,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:59:47,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:59:47,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 19:59:47,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-23 19:59:47,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:59:47,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-23 19:59:47,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-01-23 19:59:47,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:59:47,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:59:47,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-23 19:59:47,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:59:47,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-23 19:59:47,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-23 19:59:47,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2025-01-23 19:59:47,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:59:47,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-01-23 19:59:47,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-23 19:59:47,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:59:48,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:59:48,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:59:48,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 19:59:48,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-23 19:59:48,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:59:48,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-23 19:59:48,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-23 19:59:48,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:59:48,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:59:48,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 19:59:48,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:59:48,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-23 19:59:48,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-23 19:59:48,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2025-01-23 19:59:48,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:59:48,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-23 19:59:48,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 19:59:48,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-01-23 19:59:48,151 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2025-01-23 19:59:48,344 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2025-01-23 19:59:48,345 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-23 19:59:48,345 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 19:59:48,345 INFO L139 ounterexampleChecker]: Examining path program with hash 1412375656, occurence #2 [2025-01-23 19:59:48,345 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-23 19:59:48,345 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-23 19:59:48,345 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:59:48,345 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2025-01-23 19:59:48,345 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:59:48,345 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2025-01-23 19:59:48,345 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:59:48,346 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-01-23 19:59:48,346 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:59:48,346 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2025-01-23 19:59:48,346 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:59:48,346 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 221 [2025-01-23 19:59:48,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:59:48,408 INFO L85 PathProgramCache]: Analyzing trace with hash -1193197359, now seen corresponding path program 1 times [2025-01-23 19:59:48,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-23 19:59:48,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058298952] [2025-01-23 19:59:48,408 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:59:48,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:59:48,425 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 222 statements into 1 equivalence classes. [2025-01-23 19:59:48,469 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 222 of 222 statements. [2025-01-23 19:59:48,469 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:59:48,469 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:59:49,097 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 125 proven. 167 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2025-01-23 19:59:49,097 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-23 19:59:49,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058298952] [2025-01-23 19:59:49,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058298952] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:59:49,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [77342330] [2025-01-23 19:59:49,097 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:59:49,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:59:49,117 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 222 statements into 1 equivalence classes. [2025-01-23 19:59:49,197 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 222 of 222 statements. [2025-01-23 19:59:49,198 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:59:49,198 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:59:49,203 INFO L256 TraceCheckSpWp]: Trace formula consists of 1003 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-01-23 19:59:49,207 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 19:59:49,790 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 184 proven. 108 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2025-01-23 19:59:49,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [77342330] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:59:49,790 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-23 19:59:49,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 37 [2025-01-23 19:59:49,790 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-23 19:59:49,790 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 226 [2025-01-23 19:59:49,893 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2025-01-23 19:59:49,893 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 40 treesize of output 20 [2025-01-23 19:59:50,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:59:50,022 INFO L85 PathProgramCache]: Analyzing trace with hash -419527050, now seen corresponding path program 1 times [2025-01-23 19:59:50,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-23 19:59:50,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637572538] [2025-01-23 19:59:50,022 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:59:50,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:59:50,040 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 227 statements into 1 equivalence classes. [2025-01-23 19:59:50,088 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 227 of 227 statements. [2025-01-23 19:59:50,088 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:59:50,088 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:59:50,837 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 125 proven. 167 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2025-01-23 19:59:50,837 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-23 19:59:50,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637572538] [2025-01-23 19:59:50,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637572538] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:59:50,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1185834269] [2025-01-23 19:59:50,837 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:59:50,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:59:50,855 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 227 statements into 1 equivalence classes. [2025-01-23 19:59:50,906 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 227 of 227 statements. [2025-01-23 19:59:50,906 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:59:50,907 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:59:50,910 INFO L256 TraceCheckSpWp]: Trace formula consists of 1010 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-01-23 19:59:50,913 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 19:59:51,480 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 184 proven. 108 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2025-01-23 19:59:51,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1185834269] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:59:51,480 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-23 19:59:51,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 37 [2025-01-23 19:59:51,480 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-23 19:59:51,480 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 228 [2025-01-23 19:59:51,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:59:51,539 INFO L85 PathProgramCache]: Analyzing trace with hash 560640043, now seen corresponding path program 1 times [2025-01-23 19:59:51,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-23 19:59:51,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538984891] [2025-01-23 19:59:51,539 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:59:51,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:59:51,557 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 229 statements into 1 equivalence classes. [2025-01-23 19:59:51,602 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 229 of 229 statements. [2025-01-23 19:59:51,602 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:59:51,602 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:59:52,254 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 125 proven. 167 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2025-01-23 19:59:52,255 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-23 19:59:52,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538984891] [2025-01-23 19:59:52,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1538984891] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:59:52,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1645375223] [2025-01-23 19:59:52,255 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:59:52,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:59:52,274 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 229 statements into 1 equivalence classes. [2025-01-23 19:59:52,325 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 229 of 229 statements. [2025-01-23 19:59:52,325 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:59:52,325 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:59:52,329 INFO L256 TraceCheckSpWp]: Trace formula consists of 1026 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-01-23 19:59:52,332 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 19:59:52,900 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 184 proven. 108 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2025-01-23 19:59:52,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1645375223] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:59:52,901 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-23 19:59:52,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 37 [2025-01-23 19:59:52,901 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-23 19:59:52,901 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 233 [2025-01-23 19:59:52,901 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:59:52,901 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-23 19:59:52,901 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 19:59:52,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:59:52,901 INFO L85 PathProgramCache]: Analyzing trace with hash -616432503, now seen corresponding path program 17 times [2025-01-23 19:59:52,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 19:59:52,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812195491] [2025-01-23 19:59:52,901 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-23 19:59:52,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:59:52,923 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 239 statements into 9 equivalence classes. [2025-01-23 19:59:53,209 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) and asserted 239 of 239 statements. [2025-01-23 19:59:53,209 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2025-01-23 19:59:53,209 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:59:54,172 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 225 proven. 68 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2025-01-23 19:59:54,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 19:59:54,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812195491] [2025-01-23 19:59:54,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812195491] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:59:54,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1601632454] [2025-01-23 19:59:54,172 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-23 19:59:54,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 19:59:54,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 19:59:54,174 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 19:59:54,175 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-01-23 19:59:54,360 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 239 statements into 9 equivalence classes. [2025-01-23 20:00:07,483 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) and asserted 239 of 239 statements. [2025-01-23 20:00:07,484 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2025-01-23 20:00:07,484 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:00:07,502 INFO L256 TraceCheckSpWp]: Trace formula consists of 1072 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-01-23 20:00:07,505 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 20:00:08,341 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 191 proven. 102 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2025-01-23 20:00:08,342 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 20:00:09,172 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 216 proven. 77 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2025-01-23 20:00:09,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1601632454] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 20:00:09,172 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 20:00:09,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 23, 23] total 65 [2025-01-23 20:00:09,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513207358] [2025-01-23 20:00:09,172 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 20:00:09,173 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2025-01-23 20:00:09,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 20:00:09,174 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2025-01-23 20:00:09,175 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1111, Invalid=3049, Unknown=0, NotChecked=0, Total=4160 [2025-01-23 20:00:09,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 20:00:09,176 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 20:00:09,176 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 7.7846153846153845) internal successors, (506), 65 states have internal predecessors, (506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 20:00:09,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:00:09,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:00:09,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 20:00:09,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-23 20:00:09,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 20:00:09,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-23 20:00:09,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-01-23 20:00:09,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 20:00:09,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:00:09,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-23 20:00:09,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 20:00:09,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-23 20:00:09,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-23 20:00:09,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2025-01-23 20:00:09,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:00:09,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-01-23 20:00:09,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-23 20:00:09,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-01-23 20:00:09,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 20:00:09,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:00:09,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:00:09,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 20:00:09,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-23 20:00:09,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 20:00:09,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-23 20:00:09,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-23 20:00:09,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 20:00:09,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:00:09,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 20:00:09,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 20:00:09,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-23 20:00:09,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-23 20:00:09,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2025-01-23 20:00:09,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:00:09,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-23 20:00:09,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 20:00:09,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-01-23 20:00:09,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-23 20:00:09,883 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2025-01-23 20:00:10,069 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,SelfDestructingSolverStorable51,SelfDestructingSolverStorable52,SelfDestructingSolverStorable53,SelfDestructingSolverStorable54,SelfDestructingSolverStorable55,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2025-01-23 20:00:10,069 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-23 20:00:10,069 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 20:00:10,069 INFO L139 ounterexampleChecker]: Examining path program with hash 1412375656, occurence #3 [2025-01-23 20:00:10,069 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-23 20:00:10,069 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-23 20:00:10,070 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 20:00:10,070 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2025-01-23 20:00:10,070 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 20:00:10,070 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-01-23 20:00:10,070 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 20:00:10,070 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2025-01-23 20:00:10,070 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 20:00:10,070 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42 [2025-01-23 20:00:10,070 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 20:00:10,070 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 224 [2025-01-23 20:00:10,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 20:00:10,133 INFO L85 PathProgramCache]: Analyzing trace with hash 651125217, now seen corresponding path program 1 times [2025-01-23 20:00:10,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-23 20:00:10,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869284213] [2025-01-23 20:00:10,133 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 20:00:10,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 20:00:10,151 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 225 statements into 1 equivalence classes. [2025-01-23 20:00:10,216 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 225 of 225 statements. [2025-01-23 20:00:10,216 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 20:00:10,216 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:00:11,673 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 77 proven. 138 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2025-01-23 20:00:11,673 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-23 20:00:11,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869284213] [2025-01-23 20:00:11,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [869284213] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 20:00:11,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [141820199] [2025-01-23 20:00:11,673 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 20:00:11,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 20:00:11,694 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 225 statements into 1 equivalence classes. [2025-01-23 20:00:11,767 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 225 of 225 statements. [2025-01-23 20:00:11,767 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 20:00:11,767 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:00:11,773 INFO L256 TraceCheckSpWp]: Trace formula consists of 1029 conjuncts, 59 conjuncts are in the unsatisfiable core [2025-01-23 20:00:11,777 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 20:00:13,258 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 5 proven. 257 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2025-01-23 20:00:13,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [141820199] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 20:00:13,259 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-23 20:00:13,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 44] total 59 [2025-01-23 20:00:13,259 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-23 20:00:13,259 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 229 [2025-01-23 20:00:13,370 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2025-01-23 20:00:13,370 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 40 treesize of output 20 [2025-01-23 20:00:13,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 20:00:13,561 INFO L85 PathProgramCache]: Analyzing trace with hash 1161087600, now seen corresponding path program 1 times [2025-01-23 20:00:13,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-23 20:00:13,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729333418] [2025-01-23 20:00:13,561 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 20:00:13,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 20:00:13,580 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 230 statements into 1 equivalence classes. [2025-01-23 20:00:13,641 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 230 of 230 statements. [2025-01-23 20:00:13,641 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 20:00:13,641 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:00:14,687 INFO L134 CoverageAnalysis]: Checked inductivity of 467 backedges. 52 proven. 174 refuted. 0 times theorem prover too weak. 241 trivial. 0 not checked. [2025-01-23 20:00:14,687 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-23 20:00:14,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729333418] [2025-01-23 20:00:14,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729333418] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 20:00:14,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [9568436] [2025-01-23 20:00:14,687 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 20:00:14,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 20:00:14,712 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 230 statements into 1 equivalence classes. [2025-01-23 20:00:14,791 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 230 of 230 statements. [2025-01-23 20:00:14,792 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 20:00:14,792 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:00:14,797 INFO L256 TraceCheckSpWp]: Trace formula consists of 1037 conjuncts, 55 conjuncts are in the unsatisfiable core [2025-01-23 20:00:14,801 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 20:00:16,222 INFO L134 CoverageAnalysis]: Checked inductivity of 467 backedges. 4 proven. 258 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2025-01-23 20:00:16,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [9568436] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 20:00:16,222 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-23 20:00:16,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 41] total 58 [2025-01-23 20:00:16,222 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-23 20:00:16,222 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 231 [2025-01-23 20:00:16,284 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 20:00:16,285 INFO L85 PathProgramCache]: Analyzing trace with hash -887124251, now seen corresponding path program 1 times [2025-01-23 20:00:16,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-23 20:00:16,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221748342] [2025-01-23 20:00:16,285 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 20:00:16,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 20:00:16,306 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 232 statements into 1 equivalence classes. [2025-01-23 20:00:16,353 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 232 of 232 statements. [2025-01-23 20:00:16,353 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 20:00:16,353 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:00:17,179 INFO L134 CoverageAnalysis]: Checked inductivity of 467 backedges. 113 proven. 96 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2025-01-23 20:00:17,179 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-23 20:00:17,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221748342] [2025-01-23 20:00:17,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221748342] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 20:00:17,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [262470961] [2025-01-23 20:00:17,179 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 20:00:17,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 20:00:17,199 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 232 statements into 1 equivalence classes. [2025-01-23 20:00:17,303 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 232 of 232 statements. [2025-01-23 20:00:17,303 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 20:00:17,303 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:00:17,306 INFO L256 TraceCheckSpWp]: Trace formula consists of 1053 conjuncts, 31 conjuncts are in the unsatisfiable core [2025-01-23 20:00:17,309 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 20:00:18,063 INFO L134 CoverageAnalysis]: Checked inductivity of 467 backedges. 6 proven. 258 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2025-01-23 20:00:18,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [262470961] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 20:00:18,064 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-23 20:00:18,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 28] total 40 [2025-01-23 20:00:18,064 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-23 20:00:18,064 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 236 [2025-01-23 20:00:18,064 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 20:00:18,064 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-23 20:00:18,064 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 20:00:18,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 20:00:18,064 INFO L85 PathProgramCache]: Analyzing trace with hash 1046515950, now seen corresponding path program 18 times [2025-01-23 20:00:18,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 20:00:18,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541392782] [2025-01-23 20:00:18,065 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-23 20:00:18,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 20:00:18,086 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 242 statements into 9 equivalence classes. [2025-01-23 20:00:18,172 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) and asserted 119 of 242 statements. [2025-01-23 20:00:18,172 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2025-01-23 20:00:18,172 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:00:18,360 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 75 proven. 1 refuted. 0 times theorem prover too weak. 394 trivial. 0 not checked. [2025-01-23 20:00:18,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 20:00:18,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541392782] [2025-01-23 20:00:18,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1541392782] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 20:00:18,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [661792670] [2025-01-23 20:00:18,360 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-23 20:00:18,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 20:00:18,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 20:00:18,362 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 20:00:18,363 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-01-23 20:00:18,577 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 242 statements into 9 equivalence classes. [2025-01-23 20:00:18,660 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) and asserted 119 of 242 statements. [2025-01-23 20:00:18,660 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2025-01-23 20:00:18,660 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:00:18,663 INFO L256 TraceCheckSpWp]: Trace formula consists of 605 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-01-23 20:00:18,665 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 20:00:18,844 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 75 proven. 1 refuted. 0 times theorem prover too weak. 394 trivial. 0 not checked. [2025-01-23 20:00:18,844 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 20:00:18,993 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 75 proven. 1 refuted. 0 times theorem prover too weak. 394 trivial. 0 not checked. [2025-01-23 20:00:18,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [661792670] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 20:00:18,993 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 20:00:18,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 8, 8] total 15 [2025-01-23 20:00:18,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547869789] [2025-01-23 20:00:18,993 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 20:00:18,994 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-01-23 20:00:18,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 20:00:18,995 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-01-23 20:00:18,995 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2025-01-23 20:00:18,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 20:00:18,995 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 20:00:18,995 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 8.8) internal successors, (132), 15 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 20:00:18,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:00:18,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:00:18,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 20:00:18,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-23 20:00:18,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 20:00:18,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-23 20:00:18,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-01-23 20:00:18,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 20:00:18,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:00:18,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-23 20:00:18,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 20:00:18,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-23 20:00:18,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-23 20:00:18,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2025-01-23 20:00:18,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:00:18,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-01-23 20:00:18,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-23 20:00:18,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-01-23 20:00:18,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-23 20:00:18,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 20:00:20,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:00:20,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:00:20,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 20:00:20,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-23 20:00:20,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 20:00:20,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-23 20:00:20,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-23 20:00:20,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 20:00:20,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:00:20,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 20:00:20,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 20:00:20,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-23 20:00:20,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-23 20:00:20,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2025-01-23 20:00:20,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:00:20,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-23 20:00:20,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 20:00:20,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-01-23 20:00:20,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-23 20:00:20,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-23 20:00:20,791 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2025-01-23 20:00:20,983 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,SelfDestructingSolverStorable60,SelfDestructingSolverStorable61,SelfDestructingSolverStorable62,SelfDestructingSolverStorable56,SelfDestructingSolverStorable57,SelfDestructingSolverStorable58,SelfDestructingSolverStorable59 [2025-01-23 20:00:20,984 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-23 20:00:20,984 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 20:00:20,984 INFO L139 ounterexampleChecker]: Examining path program with hash 1877904993, occurence #1 [2025-01-23 20:00:20,984 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 20:00:20,984 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 20:00:20,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 20:00:20,984 INFO L85 PathProgramCache]: Analyzing trace with hash -999324591, now seen corresponding path program 19 times [2025-01-23 20:00:20,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 20:00:20,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68376000] [2025-01-23 20:00:20,985 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-23 20:00:20,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 20:00:21,005 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 224 statements into 1 equivalence classes. [2025-01-23 20:00:21,080 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 224 of 224 statements. [2025-01-23 20:00:21,081 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 20:00:21,081 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:00:21,915 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 32 proven. 121 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2025-01-23 20:00:21,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 20:00:21,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68376000] [2025-01-23 20:00:21,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68376000] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 20:00:21,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [329679238] [2025-01-23 20:00:21,915 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-23 20:00:21,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 20:00:21,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 20:00:21,917 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 20:00:21,918 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-01-23 20:00:22,132 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 224 statements into 1 equivalence classes. [2025-01-23 20:00:22,230 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 224 of 224 statements. [2025-01-23 20:00:22,230 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 20:00:22,230 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:00:22,234 INFO L256 TraceCheckSpWp]: Trace formula consists of 1044 conjuncts, 30 conjuncts are in the unsatisfiable core [2025-01-23 20:00:22,237 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 20:00:22,977 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 4 proven. 186 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2025-01-23 20:00:22,978 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 20:00:23,449 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2025-01-23 20:00:23,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [329679238] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 20:00:23,449 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 20:00:23,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 26, 16] total 47 [2025-01-23 20:00:23,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194065850] [2025-01-23 20:00:23,449 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 20:00:23,450 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2025-01-23 20:00:23,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 20:00:23,451 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2025-01-23 20:00:23,451 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=302, Invalid=1954, Unknown=0, NotChecked=0, Total=2256 [2025-01-23 20:00:23,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 20:00:23,452 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 20:00:23,452 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 7.0) internal successors, (336), 47 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 20:00:23,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:00:23,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:00:23,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 20:00:23,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-23 20:00:23,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 20:00:23,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-23 20:00:23,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-01-23 20:00:23,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 20:00:23,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:00:23,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-23 20:00:23,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 20:00:23,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-23 20:00:23,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-23 20:00:23,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2025-01-23 20:00:23,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:00:23,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-01-23 20:00:23,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-23 20:00:23,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-01-23 20:00:23,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-23 20:00:23,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-23 20:00:23,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 20:00:30,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:00:30,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:00:30,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 20:00:30,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-23 20:00:30,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 20:00:30,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-23 20:00:30,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-23 20:00:30,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 20:00:30,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:00:30,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 20:00:30,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 20:00:30,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-23 20:00:30,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-23 20:00:30,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2025-01-23 20:00:30,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:00:30,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-23 20:00:30,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 20:00:30,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-01-23 20:00:30,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-23 20:00:30,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-23 20:00:30,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. [2025-01-23 20:00:30,663 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2025-01-23 20:00:30,855 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63,16 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 20:00:30,856 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-23 20:00:30,856 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 20:00:30,856 INFO L139 ounterexampleChecker]: Examining path program with hash -1079231992, occurence #1 [2025-01-23 20:00:30,856 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 20:00:30,856 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 20:00:30,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 20:00:30,856 INFO L85 PathProgramCache]: Analyzing trace with hash -1463574240, now seen corresponding path program 20 times [2025-01-23 20:00:30,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 20:00:30,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106236820] [2025-01-23 20:00:30,857 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-23 20:00:30,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 20:00:30,879 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 305 statements into 2 equivalence classes. [2025-01-23 20:00:31,029 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 305 of 305 statements. [2025-01-23 20:00:31,029 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-23 20:00:31,030 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:00:32,064 INFO L134 CoverageAnalysis]: Checked inductivity of 1165 backedges. 226 proven. 639 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2025-01-23 20:00:32,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 20:00:32,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106236820] [2025-01-23 20:00:32,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106236820] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 20:00:32,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [578820712] [2025-01-23 20:00:32,065 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-23 20:00:32,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 20:00:32,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 20:00:32,066 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 20:00:32,067 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-01-23 20:00:32,299 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 305 statements into 2 equivalence classes. [2025-01-23 20:00:32,441 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 305 of 305 statements. [2025-01-23 20:00:32,441 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-23 20:00:32,441 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:00:32,448 INFO L256 TraceCheckSpWp]: Trace formula consists of 1306 conjuncts, 28 conjuncts are in the unsatisfiable core [2025-01-23 20:00:32,452 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 20:00:33,321 INFO L134 CoverageAnalysis]: Checked inductivity of 1165 backedges. 908 proven. 66 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2025-01-23 20:00:33,322 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 20:00:34,146 INFO L134 CoverageAnalysis]: Checked inductivity of 1165 backedges. 787 proven. 187 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2025-01-23 20:00:34,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [578820712] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 20:00:34,146 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 20:00:34,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26, 26] total 72 [2025-01-23 20:00:34,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238352187] [2025-01-23 20:00:34,147 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 20:00:34,148 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 72 states [2025-01-23 20:00:34,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 20:00:34,149 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2025-01-23 20:00:34,150 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=972, Invalid=4140, Unknown=0, NotChecked=0, Total=5112 [2025-01-23 20:00:34,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 20:00:34,150 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 20:00:34,151 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 72 states, 72 states have (on average 7.388888888888889) internal successors, (532), 72 states have internal predecessors, (532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 20:00:34,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:00:34,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:00:34,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 20:00:34,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-23 20:00:34,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 20:00:34,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-23 20:00:34,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-01-23 20:00:34,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 20:00:34,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:00:34,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-23 20:00:34,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 20:00:34,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-23 20:00:34,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-23 20:00:34,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2025-01-23 20:00:34,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:00:34,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-01-23 20:00:34,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-23 20:00:34,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-01-23 20:00:34,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-23 20:00:34,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-01-23 20:00:34,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 165 states. [2025-01-23 20:00:34,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 20:00:34,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:00:34,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:00:34,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 20:00:34,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-23 20:00:34,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 20:00:34,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-23 20:00:34,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-23 20:00:34,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 20:00:34,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:00:34,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 20:00:34,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 20:00:34,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-23 20:00:34,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-23 20:00:34,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2025-01-23 20:00:34,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:00:34,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-23 20:00:34,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 20:00:34,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-01-23 20:00:34,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-23 20:00:34,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-23 20:00:34,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. [2025-01-23 20:00:34,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-23 20:00:34,479 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2025-01-23 20:00:34,671 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable64 [2025-01-23 20:00:34,672 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-23 20:00:34,672 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 20:00:34,672 INFO L139 ounterexampleChecker]: Examining path program with hash -1079231992, occurence #2 [2025-01-23 20:00:34,672 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-23 20:00:34,672 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-23 20:00:34,672 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 20:00:34,672 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2025-01-23 20:00:34,672 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 20:00:34,672 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-01-23 20:00:34,672 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 20:00:34,672 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2025-01-23 20:00:34,672 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 20:00:34,672 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2025-01-23 20:00:34,672 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 20:00:34,673 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 286 [2025-01-23 20:00:34,673 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 20:00:34,673 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 289 [2025-01-23 20:00:34,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 20:00:34,733 INFO L85 PathProgramCache]: Analyzing trace with hash -1623378862, now seen corresponding path program 1 times [2025-01-23 20:00:34,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-23 20:00:34,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449465509] [2025-01-23 20:00:34,733 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 20:00:34,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 20:00:34,762 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 290 statements into 1 equivalence classes. [2025-01-23 20:00:34,840 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 290 of 290 statements. [2025-01-23 20:00:34,841 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 20:00:34,841 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:00:35,867 INFO L134 CoverageAnalysis]: Checked inductivity of 1162 backedges. 230 proven. 587 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2025-01-23 20:00:35,868 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-23 20:00:35,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449465509] [2025-01-23 20:00:35,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [449465509] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 20:00:35,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1003169513] [2025-01-23 20:00:35,868 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 20:00:35,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 20:00:35,893 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 290 statements into 1 equivalence classes. [2025-01-23 20:00:35,985 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 290 of 290 statements. [2025-01-23 20:00:35,985 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 20:00:35,985 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:00:35,990 INFO L256 TraceCheckSpWp]: Trace formula consists of 1249 conjuncts, 30 conjuncts are in the unsatisfiable core [2025-01-23 20:00:35,992 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 20:00:36,915 INFO L134 CoverageAnalysis]: Checked inductivity of 1162 backedges. 734 proven. 83 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2025-01-23 20:00:36,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1003169513] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 20:00:36,915 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-23 20:00:36,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 53 [2025-01-23 20:00:36,916 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-23 20:00:36,916 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 294 [2025-01-23 20:00:37,033 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2025-01-23 20:00:37,033 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 42 treesize of output 22 [2025-01-23 20:00:37,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 20:00:37,171 INFO L85 PathProgramCache]: Analyzing trace with hash 1260740142, now seen corresponding path program 1 times [2025-01-23 20:00:37,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-23 20:00:37,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69357908] [2025-01-23 20:00:37,171 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 20:00:37,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 20:00:37,193 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 295 statements into 1 equivalence classes. [2025-01-23 20:00:37,255 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 295 of 295 statements. [2025-01-23 20:00:37,255 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 20:00:37,255 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:00:38,348 INFO L134 CoverageAnalysis]: Checked inductivity of 1171 backedges. 104 proven. 639 refuted. 0 times theorem prover too weak. 428 trivial. 0 not checked. [2025-01-23 20:00:38,348 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-23 20:00:38,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69357908] [2025-01-23 20:00:38,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69357908] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 20:00:38,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [2060177892] [2025-01-23 20:00:38,348 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 20:00:38,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 20:00:38,372 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 295 statements into 1 equivalence classes. [2025-01-23 20:00:38,489 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 295 of 295 statements. [2025-01-23 20:00:38,489 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 20:00:38,489 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:00:38,497 INFO L256 TraceCheckSpWp]: Trace formula consists of 1257 conjuncts, 30 conjuncts are in the unsatisfiable core [2025-01-23 20:00:38,500 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 20:00:39,459 INFO L134 CoverageAnalysis]: Checked inductivity of 1171 backedges. 596 proven. 147 refuted. 0 times theorem prover too weak. 428 trivial. 0 not checked. [2025-01-23 20:00:39,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [2060177892] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 20:00:39,459 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-23 20:00:39,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 53 [2025-01-23 20:00:39,459 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-23 20:00:39,459 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 296 [2025-01-23 20:00:39,517 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 20:00:39,517 INFO L85 PathProgramCache]: Analyzing trace with hash 389423332, now seen corresponding path program 1 times [2025-01-23 20:00:39,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-23 20:00:39,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346096261] [2025-01-23 20:00:39,517 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 20:00:39,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 20:00:39,539 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 297 statements into 1 equivalence classes. [2025-01-23 20:00:39,604 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 297 of 297 statements. [2025-01-23 20:00:39,604 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 20:00:39,604 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:00:40,730 INFO L134 CoverageAnalysis]: Checked inductivity of 1171 backedges. 131 proven. 559 refuted. 0 times theorem prover too weak. 481 trivial. 0 not checked. [2025-01-23 20:00:40,730 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-23 20:00:40,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346096261] [2025-01-23 20:00:40,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346096261] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 20:00:40,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [2117622117] [2025-01-23 20:00:40,730 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 20:00:40,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 20:00:40,752 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 297 statements into 1 equivalence classes. [2025-01-23 20:00:40,832 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 297 of 297 statements. [2025-01-23 20:00:40,832 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 20:00:40,832 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:00:40,837 INFO L256 TraceCheckSpWp]: Trace formula consists of 1272 conjuncts, 30 conjuncts are in the unsatisfiable core [2025-01-23 20:00:40,839 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 20:00:41,728 INFO L134 CoverageAnalysis]: Checked inductivity of 1171 backedges. 602 proven. 88 refuted. 0 times theorem prover too weak. 481 trivial. 0 not checked. [2025-01-23 20:00:41,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [2117622117] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 20:00:41,728 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-23 20:00:41,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 53 [2025-01-23 20:00:41,728 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-23 20:00:41,728 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 301 [2025-01-23 20:00:41,728 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 20:00:41,728 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-23 20:00:41,729 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 20:00:41,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 20:00:41,729 INFO L85 PathProgramCache]: Analyzing trace with hash -984781595, now seen corresponding path program 21 times [2025-01-23 20:00:41,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 20:00:41,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584870359] [2025-01-23 20:00:41,729 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-23 20:00:41,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 20:00:41,752 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 306 statements into 12 equivalence classes. [2025-01-23 20:00:41,792 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 128 of 306 statements. [2025-01-23 20:00:41,792 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-01-23 20:00:41,792 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:00:42,007 INFO L134 CoverageAnalysis]: Checked inductivity of 1177 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 1023 trivial. 0 not checked. [2025-01-23 20:00:42,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 20:00:42,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584870359] [2025-01-23 20:00:42,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584870359] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-23 20:00:42,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-23 20:00:42,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-23 20:00:42,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546022478] [2025-01-23 20:00:42,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 20:00:42,008 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-23 20:00:42,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 20:00:42,008 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-23 20:00:42,009 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-23 20:00:42,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 20:00:42,009 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 20:00:42,009 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 20:00:42,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:00:42,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:00:42,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 20:00:42,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-23 20:00:42,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 20:00:42,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-23 20:00:42,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-01-23 20:00:42,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 20:00:42,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:00:42,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-23 20:00:42,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 20:00:42,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-23 20:00:42,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-23 20:00:42,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2025-01-23 20:00:42,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:00:42,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-01-23 20:00:42,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-23 20:00:42,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-01-23 20:00:42,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-23 20:00:42,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-01-23 20:00:42,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 165 states. [2025-01-23 20:00:42,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-23 20:00:42,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 20:00:44,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:00:44,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:00:44,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 20:00:44,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-23 20:00:44,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 20:00:44,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-23 20:00:44,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-23 20:00:44,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 20:00:44,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:00:44,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 20:00:44,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 20:00:44,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-23 20:00:44,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-23 20:00:44,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2025-01-23 20:00:44,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:00:44,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-23 20:00:44,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 20:00:44,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-01-23 20:00:44,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-23 20:00:44,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-23 20:00:44,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. [2025-01-23 20:00:44,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-23 20:00:44,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 20:00:44,057 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70,SelfDestructingSolverStorable71,SelfDestructingSolverStorable65,SelfDestructingSolverStorable66,SelfDestructingSolverStorable67,SelfDestructingSolverStorable68,SelfDestructingSolverStorable69 [2025-01-23 20:00:44,057 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-23 20:00:44,057 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 20:00:44,057 INFO L139 ounterexampleChecker]: Examining path program with hash -385687951, occurence #1 [2025-01-23 20:00:44,057 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 20:00:44,057 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 20:00:44,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 20:00:44,058 INFO L85 PathProgramCache]: Analyzing trace with hash -759504568, now seen corresponding path program 22 times [2025-01-23 20:00:44,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 20:00:44,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206689289] [2025-01-23 20:00:44,058 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-23 20:00:44,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 20:00:44,085 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 430 statements into 2 equivalence classes. [2025-01-23 20:00:44,210 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 430 of 430 statements. [2025-01-23 20:00:44,210 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-23 20:00:44,210 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:00:46,498 INFO L134 CoverageAnalysis]: Checked inductivity of 1675 backedges. 1283 proven. 162 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2025-01-23 20:00:46,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 20:00:46,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206689289] [2025-01-23 20:00:46,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [206689289] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 20:00:46,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1975425321] [2025-01-23 20:00:46,498 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-23 20:00:46,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 20:00:46,499 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 20:00:46,501 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 20:00:46,502 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-01-23 20:00:46,787 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 430 statements into 2 equivalence classes. [2025-01-23 20:00:46,960 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 430 of 430 statements. [2025-01-23 20:00:46,960 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-23 20:00:46,960 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:00:46,966 INFO L256 TraceCheckSpWp]: Trace formula consists of 1768 conjuncts, 42 conjuncts are in the unsatisfiable core [2025-01-23 20:00:46,971 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 20:00:48,557 INFO L134 CoverageAnalysis]: Checked inductivity of 1675 backedges. 1309 proven. 136 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2025-01-23 20:00:48,557 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 20:00:50,135 INFO L134 CoverageAnalysis]: Checked inductivity of 1675 backedges. 1167 proven. 278 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2025-01-23 20:00:50,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1975425321] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 20:00:50,136 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 20:00:50,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 39, 39] total 114 [2025-01-23 20:00:50,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048361691] [2025-01-23 20:00:50,136 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 20:00:50,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 115 states [2025-01-23 20:00:50,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 20:00:50,139 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 115 interpolants. [2025-01-23 20:00:50,142 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2962, Invalid=10148, Unknown=0, NotChecked=0, Total=13110 [2025-01-23 20:00:50,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 20:00:50,143 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 20:00:50,143 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 115 states, 115 states have (on average 7.826086956521739) internal successors, (900), 114 states have internal predecessors, (900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 20:00:50,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:00:50,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:00:50,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 20:00:50,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-23 20:00:50,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 20:00:50,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-23 20:00:50,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-01-23 20:00:50,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 20:00:50,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:00:50,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-23 20:00:50,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 20:00:50,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-23 20:00:50,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-23 20:00:50,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2025-01-23 20:00:50,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:00:50,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-01-23 20:00:50,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-23 20:00:50,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-01-23 20:00:50,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-23 20:00:50,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-01-23 20:00:50,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 169 states. [2025-01-23 20:00:50,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-23 20:00:50,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-23 20:00:50,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 20:00:51,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:00:51,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:00:51,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 20:00:51,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-23 20:00:51,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 20:00:51,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-23 20:00:51,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-23 20:00:51,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 20:00:51,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:00:51,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 20:00:51,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 20:00:51,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-23 20:00:51,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-23 20:00:51,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2025-01-23 20:00:51,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:00:51,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-23 20:00:51,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 20:00:51,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-01-23 20:00:51,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-23 20:00:51,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-23 20:00:51,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. [2025-01-23 20:00:51,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-23 20:00:51,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 20:00:51,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-01-23 20:00:51,062 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2025-01-23 20:00:51,254 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72,18 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 20:00:51,255 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-23 20:00:51,255 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 20:00:51,255 INFO L139 ounterexampleChecker]: Examining path program with hash -385687951, occurence #2 [2025-01-23 20:00:51,255 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-23 20:00:51,255 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-23 20:00:51,255 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 20:00:51,255 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2025-01-23 20:00:51,255 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 20:00:51,255 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2025-01-23 20:00:51,255 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 20:00:51,255 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 44 [2025-01-23 20:00:51,255 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 20:00:51,255 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-01-23 20:00:51,255 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 20:00:51,255 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 280 [2025-01-23 20:00:51,462 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-23 20:00:51,462 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 96 treesize of output 51 [2025-01-23 20:00:55,149 WARN L331 ript$VariableManager]: TermVariable v_~q2~0.base_In_10 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-23 20:00:55,149 WARN L331 ript$VariableManager]: TermVariable v_~q2~0.offset_In_10 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-23 20:00:55,149 WARN L331 ript$VariableManager]: TermVariable v_~q2_front~0_In_14 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-23 20:00:55,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 20:00:55,150 INFO L85 PathProgramCache]: Analyzing trace with hash -700734990, now seen corresponding path program 1 times [2025-01-23 20:00:55,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-23 20:00:55,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210163605] [2025-01-23 20:00:55,150 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 20:00:55,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 20:00:55,172 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 281 statements into 1 equivalence classes. [2025-01-23 20:00:55,231 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 281 of 281 statements. [2025-01-23 20:00:55,231 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 20:00:55,231 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:00:56,291 INFO L134 CoverageAnalysis]: Checked inductivity of 1259 backedges. 138 proven. 753 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2025-01-23 20:00:56,291 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-23 20:00:56,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210163605] [2025-01-23 20:00:56,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210163605] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 20:00:56,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1668324366] [2025-01-23 20:00:56,291 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 20:00:56,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 20:00:56,317 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 281 statements into 1 equivalence classes. [2025-01-23 20:00:56,387 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 281 of 281 statements. [2025-01-23 20:00:56,387 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 20:00:56,387 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:00:56,392 INFO L256 TraceCheckSpWp]: Trace formula consists of 1221 conjuncts, 30 conjuncts are in the unsatisfiable core [2025-01-23 20:00:56,394 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 20:00:57,273 INFO L134 CoverageAnalysis]: Checked inductivity of 1259 backedges. 631 proven. 260 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2025-01-23 20:00:57,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1668324366] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 20:00:57,274 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-23 20:00:57,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 53 [2025-01-23 20:00:57,274 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-23 20:00:57,274 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 328 is hopeless, skipping. [2025-01-23 20:00:57,274 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 339 [2025-01-23 20:00:57,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 20:00:57,335 INFO L85 PathProgramCache]: Analyzing trace with hash 992644872, now seen corresponding path program 1 times [2025-01-23 20:00:57,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-23 20:00:57,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711547735] [2025-01-23 20:00:57,335 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 20:00:57,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 20:00:57,360 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 340 statements into 1 equivalence classes. [2025-01-23 20:00:57,445 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 340 of 340 statements. [2025-01-23 20:00:57,445 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 20:00:57,445 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:00:58,690 INFO L134 CoverageAnalysis]: Checked inductivity of 1619 backedges. 330 proven. 767 refuted. 0 times theorem prover too weak. 522 trivial. 0 not checked. [2025-01-23 20:00:58,690 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-23 20:00:58,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711547735] [2025-01-23 20:00:58,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711547735] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 20:00:58,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [931652934] [2025-01-23 20:00:58,690 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 20:00:58,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 20:00:58,715 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 340 statements into 1 equivalence classes. [2025-01-23 20:00:58,809 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 340 of 340 statements. [2025-01-23 20:00:58,809 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 20:00:58,809 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:00:58,814 INFO L256 TraceCheckSpWp]: Trace formula consists of 1435 conjuncts, 30 conjuncts are in the unsatisfiable core [2025-01-23 20:00:58,817 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 20:00:59,774 INFO L134 CoverageAnalysis]: Checked inductivity of 1619 backedges. 1009 proven. 88 refuted. 0 times theorem prover too weak. 522 trivial. 0 not checked. [2025-01-23 20:00:59,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [931652934] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 20:00:59,774 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-23 20:00:59,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 53 [2025-01-23 20:00:59,775 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-23 20:00:59,775 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 375 is hopeless, skipping. [2025-01-23 20:00:59,775 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 383 [2025-01-23 20:00:59,900 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2025-01-23 20:00:59,900 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 42 treesize of output 22 [2025-01-23 20:01:00,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 20:01:00,137 INFO L85 PathProgramCache]: Analyzing trace with hash -1422199646, now seen corresponding path program 1 times [2025-01-23 20:01:00,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-23 20:01:00,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687581508] [2025-01-23 20:01:00,138 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 20:01:00,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 20:01:00,166 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 384 statements into 1 equivalence classes. [2025-01-23 20:01:00,270 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 384 of 384 statements. [2025-01-23 20:01:00,270 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 20:01:00,270 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:01:01,649 INFO L134 CoverageAnalysis]: Checked inductivity of 1679 backedges. 199 proven. 717 refuted. 0 times theorem prover too weak. 763 trivial. 0 not checked. [2025-01-23 20:01:01,649 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-23 20:01:01,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687581508] [2025-01-23 20:01:01,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [687581508] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 20:01:01,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [99839170] [2025-01-23 20:01:01,649 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 20:01:01,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 20:01:01,675 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 384 statements into 1 equivalence classes. [2025-01-23 20:01:01,794 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 384 of 384 statements. [2025-01-23 20:01:01,794 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 20:01:01,794 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:01:01,800 INFO L256 TraceCheckSpWp]: Trace formula consists of 1596 conjuncts, 30 conjuncts are in the unsatisfiable core [2025-01-23 20:01:01,803 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 20:01:02,737 INFO L134 CoverageAnalysis]: Checked inductivity of 1679 backedges. 827 proven. 89 refuted. 0 times theorem prover too weak. 763 trivial. 0 not checked. [2025-01-23 20:01:02,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [99839170] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 20:01:02,737 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-23 20:01:02,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 53 [2025-01-23 20:01:02,738 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-23 20:01:02,738 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 385 [2025-01-23 20:01:02,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 20:01:02,794 INFO L85 PathProgramCache]: Analyzing trace with hash -935460136, now seen corresponding path program 1 times [2025-01-23 20:01:02,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-23 20:01:02,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693567037] [2025-01-23 20:01:02,794 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 20:01:02,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 20:01:02,820 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 386 statements into 1 equivalence classes. [2025-01-23 20:01:02,930 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 386 of 386 statements. [2025-01-23 20:01:02,930 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 20:01:02,930 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:01:04,766 INFO L134 CoverageAnalysis]: Checked inductivity of 1679 backedges. 142 proven. 360 refuted. 0 times theorem prover too weak. 1177 trivial. 0 not checked. [2025-01-23 20:01:04,766 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-23 20:01:04,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693567037] [2025-01-23 20:01:04,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693567037] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 20:01:04,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [87663911] [2025-01-23 20:01:04,766 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 20:01:04,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 20:01:04,793 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 386 statements into 1 equivalence classes. [2025-01-23 20:01:04,913 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 386 of 386 statements. [2025-01-23 20:01:04,914 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 20:01:04,914 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:01:04,920 INFO L256 TraceCheckSpWp]: Trace formula consists of 1612 conjuncts, 47 conjuncts are in the unsatisfiable core [2025-01-23 20:01:04,923 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 20:01:05,235 INFO L134 CoverageAnalysis]: Checked inductivity of 1679 backedges. 142 proven. 360 refuted. 0 times theorem prover too weak. 1177 trivial. 0 not checked. [2025-01-23 20:01:05,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [87663911] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 20:01:05,235 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-23 20:01:05,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2025-01-23 20:01:05,235 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-23 20:01:05,235 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 419 [2025-01-23 20:01:05,435 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-23 20:01:05,435 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 96 treesize of output 51 [2025-01-23 20:01:12,009 WARN L286 SmtUtils]: Spent 5.02s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 210] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.abduction.Abducer.solveAbductionProblem) [2025-01-23 20:01:12,010 WARN L331 ript$VariableManager]: TermVariable v_~q1~0.offset_In_11 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-23 20:01:12,010 WARN L331 ript$VariableManager]: TermVariable v_~q1_front~0_In_20 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-23 20:01:12,010 WARN L331 ript$VariableManager]: TermVariable v_~q2~0.base_In_12 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-23 20:01:12,010 WARN L331 ript$VariableManager]: TermVariable v_~q2~0.offset_In_12 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-23 20:01:12,010 WARN L331 ript$VariableManager]: TermVariable v_~q2_front~0_In_18 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-23 20:01:12,010 WARN L331 ript$VariableManager]: TermVariable v_~q1~0.base_In_11 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-23 20:01:12,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 20:01:12,012 INFO L85 PathProgramCache]: Analyzing trace with hash -851865102, now seen corresponding path program 1 times [2025-01-23 20:01:12,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-23 20:01:12,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994560366] [2025-01-23 20:01:12,012 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 20:01:12,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 20:01:12,040 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 420 statements into 1 equivalence classes. [2025-01-23 20:01:12,149 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 420 of 420 statements. [2025-01-23 20:01:12,150 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 20:01:12,150 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:01:13,632 INFO L134 CoverageAnalysis]: Checked inductivity of 1768 backedges. 154 proven. 883 refuted. 0 times theorem prover too weak. 731 trivial. 0 not checked. [2025-01-23 20:01:13,632 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-23 20:01:13,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994560366] [2025-01-23 20:01:13,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994560366] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 20:01:13,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1023257255] [2025-01-23 20:01:13,632 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 20:01:13,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 20:01:13,662 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 420 statements into 1 equivalence classes. [2025-01-23 20:01:13,787 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 420 of 420 statements. [2025-01-23 20:01:13,788 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 20:01:13,788 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:01:13,794 INFO L256 TraceCheckSpWp]: Trace formula consists of 1728 conjuncts, 30 conjuncts are in the unsatisfiable core [2025-01-23 20:01:13,798 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 20:01:14,742 INFO L134 CoverageAnalysis]: Checked inductivity of 1768 backedges. 829 proven. 208 refuted. 0 times theorem prover too weak. 731 trivial. 0 not checked. [2025-01-23 20:01:14,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1023257255] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 20:01:14,742 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-23 20:01:14,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 53 [2025-01-23 20:01:14,742 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-23 20:01:14,742 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 431 [2025-01-23 20:01:14,742 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 20:01:14,742 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-23 20:01:14,742 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 20:01:14,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 20:01:14,743 INFO L85 PathProgramCache]: Analyzing trace with hash 1256597504, now seen corresponding path program 23 times [2025-01-23 20:01:14,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 20:01:14,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733369384] [2025-01-23 20:01:14,743 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-23 20:01:14,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 20:01:14,774 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 435 statements into 14 equivalence classes. [2025-01-23 20:01:15,872 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 14 check-sat command(s) and asserted 435 of 435 statements. [2025-01-23 20:01:15,872 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 14 check-sat command(s) [2025-01-23 20:01:15,872 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:01:17,698 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 197 proven. 360 refuted. 0 times theorem prover too weak. 1213 trivial. 0 not checked. [2025-01-23 20:01:17,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 20:01:17,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733369384] [2025-01-23 20:01:17,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [733369384] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 20:01:17,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1567013928] [2025-01-23 20:01:17,698 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-23 20:01:17,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 20:01:17,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 20:01:17,700 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 20:01:17,701 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2025-01-23 20:01:18,039 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 435 statements into 14 equivalence classes. [2025-01-23 20:05:32,722 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 14 check-sat command(s) and asserted 435 of 435 statements. [2025-01-23 20:05:32,722 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 14 check-sat command(s) [2025-01-23 20:05:32,722 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:05:32,778 INFO L256 TraceCheckSpWp]: Trace formula consists of 1813 conjuncts, 31 conjuncts are in the unsatisfiable core [2025-01-23 20:05:32,781 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 20:05:33,629 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 1100 proven. 201 refuted. 0 times theorem prover too weak. 469 trivial. 0 not checked. [2025-01-23 20:05:33,629 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 20:05:34,635 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 1125 proven. 176 refuted. 0 times theorem prover too weak. 469 trivial. 0 not checked. [2025-01-23 20:05:34,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1567013928] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 20:05:34,636 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 20:05:34,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 29, 29] total 63 [2025-01-23 20:05:34,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739540574] [2025-01-23 20:05:34,636 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 20:05:34,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2025-01-23 20:05:34,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 20:05:34,637 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2025-01-23 20:05:34,638 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=989, Invalid=2917, Unknown=0, NotChecked=0, Total=3906 [2025-01-23 20:05:34,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 20:05:34,638 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 20:05:34,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 8.158730158730158) internal successors, (514), 63 states have internal predecessors, (514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 20:05:34,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:05:34,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:05:34,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 20:05:34,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-23 20:05:34,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 20:05:34,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-23 20:05:34,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-01-23 20:05:34,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 20:05:34,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:05:34,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-23 20:05:34,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 20:05:34,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-23 20:05:34,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-23 20:05:34,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2025-01-23 20:05:34,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:05:34,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-01-23 20:05:34,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-23 20:05:34,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-01-23 20:05:34,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-23 20:05:34,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-01-23 20:05:34,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 169 states. [2025-01-23 20:05:34,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-23 20:05:34,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-23 20:05:34,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2025-01-23 20:05:34,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 20:05:37,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:05:37,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:05:37,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 20:05:37,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-23 20:05:37,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 20:05:37,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-23 20:05:37,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-23 20:05:37,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 20:05:37,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:05:37,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 20:05:37,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 20:05:37,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-23 20:05:37,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-23 20:05:37,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2025-01-23 20:05:37,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:05:37,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-23 20:05:37,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 20:05:37,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-01-23 20:05:37,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-23 20:05:37,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-23 20:05:37,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. [2025-01-23 20:05:37,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-23 20:05:37,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 20:05:37,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-01-23 20:05:37,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-23 20:05:37,458 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2025-01-23 20:05:37,592 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80,SelfDestructingSolverStorable81,SelfDestructingSolverStorable82,SelfDestructingSolverStorable83,SelfDestructingSolverStorable73,SelfDestructingSolverStorable74,SelfDestructingSolverStorable75,SelfDestructingSolverStorable76,SelfDestructingSolverStorable77,SelfDestructingSolverStorable78,19 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable79 [2025-01-23 20:05:37,593 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-23 20:05:37,593 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 20:05:37,593 INFO L139 ounterexampleChecker]: Examining path program with hash -120342402, occurence #1 [2025-01-23 20:05:37,593 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 20:05:37,593 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 20:05:37,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 20:05:37,594 INFO L85 PathProgramCache]: Analyzing trace with hash -1771195922, now seen corresponding path program 24 times [2025-01-23 20:05:37,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 20:05:37,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31310655] [2025-01-23 20:05:37,594 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-23 20:05:37,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 20:05:37,636 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 410 statements into 15 equivalence classes. [2025-01-23 20:05:39,251 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 15 check-sat command(s) and asserted 410 of 410 statements. [2025-01-23 20:05:39,251 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 15 check-sat command(s) [2025-01-23 20:05:39,251 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:05:40,894 INFO L134 CoverageAnalysis]: Checked inductivity of 1876 backedges. 1083 proven. 12 refuted. 0 times theorem prover too weak. 781 trivial. 0 not checked. [2025-01-23 20:05:40,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 20:05:40,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31310655] [2025-01-23 20:05:40,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31310655] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 20:05:40,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [969823782] [2025-01-23 20:05:40,894 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-23 20:05:40,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 20:05:40,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 20:05:40,897 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 20:05:40,898 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2025-01-23 20:05:41,232 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 410 statements into 15 equivalence classes. [2025-01-23 20:08:01,095 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 15 check-sat command(s) and asserted 410 of 410 statements. [2025-01-23 20:08:01,095 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 15 check-sat command(s) [2025-01-23 20:08:01,095 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:08:01,144 INFO L256 TraceCheckSpWp]: Trace formula consists of 1691 conjuncts, 35 conjuncts are in the unsatisfiable core [2025-01-23 20:08:01,147 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 20:08:02,157 INFO L134 CoverageAnalysis]: Checked inductivity of 1876 backedges. 1019 proven. 94 refuted. 0 times theorem prover too weak. 763 trivial. 0 not checked. [2025-01-23 20:08:02,157 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 20:08:03,343 INFO L134 CoverageAnalysis]: Checked inductivity of 1876 backedges. 244 proven. 869 refuted. 0 times theorem prover too weak. 763 trivial. 0 not checked. [2025-01-23 20:08:03,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [969823782] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 20:08:03,344 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 20:08:03,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 33, 33] total 70 [2025-01-23 20:08:03,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589595133] [2025-01-23 20:08:03,344 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 20:08:03,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2025-01-23 20:08:03,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 20:08:03,346 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2025-01-23 20:08:03,347 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1009, Invalid=3821, Unknown=0, NotChecked=0, Total=4830 [2025-01-23 20:08:03,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 20:08:03,347 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 20:08:03,347 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 70 states, 70 states have (on average 7.6) internal successors, (532), 70 states have internal predecessors, (532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 20:08:03,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:08:03,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:08:03,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 20:08:03,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-23 20:08:03,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 20:08:03,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-23 20:08:03,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-01-23 20:08:03,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 20:08:03,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:08:03,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-23 20:08:03,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 20:08:03,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-23 20:08:03,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-23 20:08:03,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2025-01-23 20:08:03,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:08:03,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-01-23 20:08:03,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-23 20:08:03,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-01-23 20:08:03,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-23 20:08:03,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-01-23 20:08:03,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 169 states. [2025-01-23 20:08:03,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-23 20:08:03,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-23 20:08:03,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2025-01-23 20:08:03,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-23 20:08:03,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 20:08:06,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:08:06,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:08:06,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 20:08:06,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-23 20:08:06,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 20:08:06,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-23 20:08:06,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-23 20:08:06,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 20:08:06,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:08:06,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 20:08:06,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 20:08:06,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-23 20:08:06,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-23 20:08:06,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2025-01-23 20:08:06,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:08:06,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-23 20:08:06,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 20:08:06,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-01-23 20:08:06,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-23 20:08:06,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-23 20:08:06,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. [2025-01-23 20:08:06,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-23 20:08:06,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 20:08:06,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-01-23 20:08:06,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-23 20:08:06,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-01-23 20:08:06,795 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2025-01-23 20:08:06,957 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable84 [2025-01-23 20:08:06,958 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-23 20:08:06,958 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 20:08:06,958 INFO L139 ounterexampleChecker]: Examining path program with hash -905883103, occurence #1 [2025-01-23 20:08:06,958 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 20:08:06,958 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 20:08:06,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 20:08:06,959 INFO L85 PathProgramCache]: Analyzing trace with hash -493048829, now seen corresponding path program 25 times [2025-01-23 20:08:06,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 20:08:06,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365530288] [2025-01-23 20:08:06,959 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-23 20:08:06,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 20:08:06,994 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 563 statements into 1 equivalence classes. [2025-01-23 20:08:07,180 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 563 of 563 statements. [2025-01-23 20:08:07,180 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 20:08:07,180 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:08:10,465 INFO L134 CoverageAnalysis]: Checked inductivity of 2671 backedges. 911 proven. 1254 refuted. 0 times theorem prover too weak. 506 trivial. 0 not checked. [2025-01-23 20:08:10,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 20:08:10,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365530288] [2025-01-23 20:08:10,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365530288] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 20:08:10,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1644943396] [2025-01-23 20:08:10,465 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-23 20:08:10,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 20:08:10,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 20:08:10,469 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 20:08:10,470 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2025-01-23 20:08:10,860 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 563 statements into 1 equivalence classes. [2025-01-23 20:08:11,080 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 563 of 563 statements. [2025-01-23 20:08:11,080 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 20:08:11,080 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:08:11,091 INFO L256 TraceCheckSpWp]: Trace formula consists of 2287 conjuncts, 40 conjuncts are in the unsatisfiable core [2025-01-23 20:08:11,095 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 20:08:12,762 INFO L134 CoverageAnalysis]: Checked inductivity of 2671 backedges. 1868 proven. 153 refuted. 0 times theorem prover too weak. 650 trivial. 0 not checked. [2025-01-23 20:08:12,762 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 20:08:14,649 INFO L134 CoverageAnalysis]: Checked inductivity of 2671 backedges. 1714 proven. 307 refuted. 0 times theorem prover too weak. 650 trivial. 0 not checked. [2025-01-23 20:08:14,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1644943396] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 20:08:14,649 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 20:08:14,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 38, 38] total 117 [2025-01-23 20:08:14,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630880291] [2025-01-23 20:08:14,649 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 20:08:14,650 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 117 states [2025-01-23 20:08:14,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 20:08:14,652 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 117 interpolants. [2025-01-23 20:08:14,653 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1831, Invalid=11741, Unknown=0, NotChecked=0, Total=13572 [2025-01-23 20:08:14,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 20:08:14,654 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 20:08:14,654 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 117 states, 117 states have (on average 7.273504273504273) internal successors, (851), 117 states have internal predecessors, (851), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 20:08:14,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:08:14,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:08:14,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 20:08:14,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-23 20:08:14,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 20:08:14,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-23 20:08:14,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-01-23 20:08:14,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 20:08:14,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:08:14,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-23 20:08:14,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 20:08:14,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-23 20:08:14,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-23 20:08:14,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2025-01-23 20:08:14,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:08:14,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-01-23 20:08:14,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-23 20:08:14,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-01-23 20:08:14,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-23 20:08:14,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-01-23 20:08:14,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 169 states. [2025-01-23 20:08:14,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-23 20:08:14,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-23 20:08:14,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2025-01-23 20:08:14,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-23 20:08:14,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-01-23 20:08:14,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 20:08:15,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:08:15,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:08:15,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 20:08:15,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-23 20:08:15,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 20:08:15,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-23 20:08:15,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-23 20:08:15,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 20:08:15,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:08:15,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 20:08:15,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 20:08:15,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-23 20:08:15,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-23 20:08:15,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2025-01-23 20:08:15,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:08:15,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-23 20:08:15,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 20:08:15,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-01-23 20:08:15,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-23 20:08:15,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-23 20:08:15,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. [2025-01-23 20:08:15,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-23 20:08:15,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 20:08:15,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-01-23 20:08:15,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-23 20:08:15,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-01-23 20:08:15,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2025-01-23 20:08:15,695 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2025-01-23 20:08:15,883 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85,21 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 20:08:15,884 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-23 20:08:15,884 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 20:08:15,884 INFO L139 ounterexampleChecker]: Examining path program with hash -905883103, occurence #2 [2025-01-23 20:08:15,884 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-23 20:08:15,884 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-23 20:08:15,884 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 20:08:15,884 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2025-01-23 20:08:15,885 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 20:08:15,885 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 47 [2025-01-23 20:08:15,885 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 20:08:15,885 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2025-01-23 20:08:15,885 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 20:08:15,885 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-01-23 20:08:15,885 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 20:08:15,885 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 287 [2025-01-23 20:08:16,103 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-23 20:08:16,103 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 96 treesize of output 51 [2025-01-23 20:08:17,733 WARN L331 ript$VariableManager]: TermVariable v_~q2~0.base_In_13 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-23 20:08:17,733 WARN L331 ript$VariableManager]: TermVariable v_~q2~0.offset_In_13 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-23 20:08:17,733 WARN L331 ript$VariableManager]: TermVariable v_~q2_front~0_In_19 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-23 20:08:17,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 20:08:17,733 INFO L85 PathProgramCache]: Analyzing trace with hash 337784115, now seen corresponding path program 1 times [2025-01-23 20:08:17,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-23 20:08:17,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396630427] [2025-01-23 20:08:17,734 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 20:08:17,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 20:08:17,759 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 288 statements into 1 equivalence classes. [2025-01-23 20:08:18,567 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 288 of 288 statements. [2025-01-23 20:08:18,567 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 20:08:18,567 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-23 20:08:18,575 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-23 20:08:18,575 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-23 20:08:18,575 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 337 is hopeless, skipping. [2025-01-23 20:08:18,576 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 387 is hopeless, skipping. [2025-01-23 20:08:18,576 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 433 [2025-01-23 20:08:18,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 20:08:18,634 INFO L85 PathProgramCache]: Analyzing trace with hash 2006279500, now seen corresponding path program 1 times [2025-01-23 20:08:18,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-23 20:08:18,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392467923] [2025-01-23 20:08:18,634 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 20:08:18,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 20:08:18,665 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 434 statements into 1 equivalence classes. [2025-01-23 20:08:18,789 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 434 of 434 statements. [2025-01-23 20:08:18,789 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 20:08:18,789 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:08:21,504 INFO L134 CoverageAnalysis]: Checked inductivity of 2453 backedges. 1068 proven. 1157 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2025-01-23 20:08:21,504 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-23 20:08:21,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392467923] [2025-01-23 20:08:21,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392467923] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 20:08:21,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [902196509] [2025-01-23 20:08:21,504 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 20:08:21,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 20:08:21,547 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 434 statements into 1 equivalence classes. [2025-01-23 20:08:21,724 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 434 of 434 statements. [2025-01-23 20:08:21,724 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 20:08:21,725 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:08:21,732 INFO L256 TraceCheckSpWp]: Trace formula consists of 1789 conjuncts, 50 conjuncts are in the unsatisfiable core [2025-01-23 20:08:21,735 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 20:08:24,139 INFO L134 CoverageAnalysis]: Checked inductivity of 2453 backedges. 1605 proven. 620 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2025-01-23 20:08:24,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [902196509] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 20:08:24,139 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-23 20:08:24,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47] total 92 [2025-01-23 20:08:24,139 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-23 20:08:24,139 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 469 is hopeless, skipping. [2025-01-23 20:08:24,139 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 477 [2025-01-23 20:08:24,260 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2025-01-23 20:08:24,260 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 42 treesize of output 22 [2025-01-23 20:08:24,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 20:08:24,400 INFO L85 PathProgramCache]: Analyzing trace with hash -743729562, now seen corresponding path program 1 times [2025-01-23 20:08:24,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-23 20:08:24,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968535901] [2025-01-23 20:08:24,400 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 20:08:24,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 20:08:24,432 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 478 statements into 1 equivalence classes. [2025-01-23 20:08:24,570 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 478 of 478 statements. [2025-01-23 20:08:24,571 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 20:08:24,571 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:08:27,520 INFO L134 CoverageAnalysis]: Checked inductivity of 2523 backedges. 1068 proven. 1157 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2025-01-23 20:08:27,520 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-23 20:08:27,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968535901] [2025-01-23 20:08:27,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968535901] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 20:08:27,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [2056718652] [2025-01-23 20:08:27,520 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 20:08:27,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 20:08:27,552 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 478 statements into 1 equivalence classes. [2025-01-23 20:08:27,713 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 478 of 478 statements. [2025-01-23 20:08:27,713 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 20:08:27,713 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:08:27,721 INFO L256 TraceCheckSpWp]: Trace formula consists of 1949 conjuncts, 50 conjuncts are in the unsatisfiable core [2025-01-23 20:08:27,724 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 20:08:30,133 INFO L134 CoverageAnalysis]: Checked inductivity of 2523 backedges. 1605 proven. 620 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2025-01-23 20:08:30,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [2056718652] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 20:08:30,133 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-23 20:08:30,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47] total 92 [2025-01-23 20:08:30,134 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-23 20:08:30,134 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 479 [2025-01-23 20:08:30,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 20:08:30,220 INFO L85 PathProgramCache]: Analyzing trace with hash -1760946724, now seen corresponding path program 1 times [2025-01-23 20:08:30,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-23 20:08:30,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014577025] [2025-01-23 20:08:30,220 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 20:08:30,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 20:08:30,265 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 480 statements into 1 equivalence classes. [2025-01-23 20:08:30,422 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 480 of 480 statements. [2025-01-23 20:08:30,423 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 20:08:30,423 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:08:33,465 INFO L134 CoverageAnalysis]: Checked inductivity of 2523 backedges. 1068 proven. 1157 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2025-01-23 20:08:33,465 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-23 20:08:33,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014577025] [2025-01-23 20:08:33,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014577025] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 20:08:33,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [208652650] [2025-01-23 20:08:33,466 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 20:08:33,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 20:08:33,508 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 480 statements into 1 equivalence classes. [2025-01-23 20:08:33,674 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 480 of 480 statements. [2025-01-23 20:08:33,675 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 20:08:33,675 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:08:33,683 INFO L256 TraceCheckSpWp]: Trace formula consists of 1964 conjuncts, 50 conjuncts are in the unsatisfiable core [2025-01-23 20:08:33,687 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 20:08:36,114 INFO L134 CoverageAnalysis]: Checked inductivity of 2523 backedges. 1605 proven. 620 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2025-01-23 20:08:36,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [208652650] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 20:08:36,114 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-23 20:08:36,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47] total 92 [2025-01-23 20:08:36,114 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-23 20:08:36,114 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 530 is hopeless, skipping. [2025-01-23 20:08:36,114 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 543 is hopeless, skipping. [2025-01-23 20:08:36,114 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 552 is hopeless, skipping. [2025-01-23 20:08:36,114 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 561 [2025-01-23 20:08:36,114 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 20:08:36,114 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-23 20:08:36,114 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 20:08:36,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 20:08:36,115 INFO L85 PathProgramCache]: Analyzing trace with hash -731123034, now seen corresponding path program 26 times [2025-01-23 20:08:36,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 20:08:36,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855673925] [2025-01-23 20:08:36,115 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-23 20:08:36,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 20:08:36,152 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 565 statements into 2 equivalence classes. [2025-01-23 20:08:36,349 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 565 of 565 statements. [2025-01-23 20:08:36,349 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-23 20:08:36,349 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:08:40,090 INFO L134 CoverageAnalysis]: Checked inductivity of 2711 backedges. 1068 proven. 1157 refuted. 0 times theorem prover too weak. 486 trivial. 0 not checked. [2025-01-23 20:08:40,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 20:08:40,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855673925] [2025-01-23 20:08:40,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855673925] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 20:08:40,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1040523848] [2025-01-23 20:08:40,092 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-23 20:08:40,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 20:08:40,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 20:08:40,094 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 20:08:40,094 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2025-01-23 20:08:40,513 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 565 statements into 2 equivalence classes. [2025-01-23 20:08:40,831 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 565 of 565 statements. [2025-01-23 20:08:40,831 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-23 20:08:40,831 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:08:40,841 INFO L256 TraceCheckSpWp]: Trace formula consists of 2305 conjuncts, 42 conjuncts are in the unsatisfiable core [2025-01-23 20:08:40,845 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 20:08:42,630 INFO L134 CoverageAnalysis]: Checked inductivity of 2711 backedges. 1902 proven. 171 refuted. 0 times theorem prover too weak. 638 trivial. 0 not checked. [2025-01-23 20:08:42,630 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 20:08:44,626 INFO L134 CoverageAnalysis]: Checked inductivity of 2711 backedges. 1734 proven. 339 refuted. 0 times theorem prover too weak. 638 trivial. 0 not checked. [2025-01-23 20:08:44,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1040523848] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 20:08:44,626 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 20:08:44,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 40, 40] total 123 [2025-01-23 20:08:44,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168923348] [2025-01-23 20:08:44,626 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 20:08:44,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 123 states [2025-01-23 20:08:44,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 20:08:44,628 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 123 interpolants. [2025-01-23 20:08:44,630 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2026, Invalid=12980, Unknown=0, NotChecked=0, Total=15006 [2025-01-23 20:08:44,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 20:08:44,630 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 20:08:44,630 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 123 states, 123 states have (on average 7.252032520325203) internal successors, (892), 123 states have internal predecessors, (892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 20:08:44,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:08:44,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:08:44,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 20:08:44,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-23 20:08:44,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 20:08:44,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-23 20:08:44,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-01-23 20:08:44,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 20:08:44,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:08:44,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-23 20:08:44,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 20:08:44,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-23 20:08:44,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-23 20:08:44,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2025-01-23 20:08:44,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:08:44,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-01-23 20:08:44,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-23 20:08:44,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-01-23 20:08:44,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-23 20:08:44,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-01-23 20:08:44,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 169 states. [2025-01-23 20:08:44,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-23 20:08:44,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-23 20:08:44,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2025-01-23 20:08:44,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-23 20:08:44,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-01-23 20:08:44,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2025-01-23 20:08:44,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 20:08:45,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:08:45,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:08:45,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 20:08:45,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-23 20:08:45,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 20:08:45,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-23 20:08:45,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-23 20:08:45,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 20:08:45,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:08:45,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 20:08:45,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 20:08:45,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-23 20:08:45,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-23 20:08:45,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2025-01-23 20:08:45,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:08:45,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-23 20:08:45,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 20:08:45,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-01-23 20:08:45,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-23 20:08:45,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-23 20:08:45,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. [2025-01-23 20:08:45,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-23 20:08:45,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 20:08:45,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-01-23 20:08:45,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-23 20:08:45,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-01-23 20:08:45,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2025-01-23 20:08:45,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2025-01-23 20:08:45,679 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2025-01-23 20:08:45,869 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90,SelfDestructingSolverStorable91,SelfDestructingSolverStorable92,SelfDestructingSolverStorable93,22 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable86,SelfDestructingSolverStorable87,SelfDestructingSolverStorable88,SelfDestructingSolverStorable89 [2025-01-23 20:08:45,869 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-23 20:08:45,869 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 20:08:45,870 INFO L139 ounterexampleChecker]: Examining path program with hash -905883103, occurence #3 [2025-01-23 20:08:45,870 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-23 20:08:45,870 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-23 20:08:45,870 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 20:08:45,870 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2025-01-23 20:08:45,870 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 20:08:45,870 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 49 [2025-01-23 20:08:45,870 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 20:08:45,870 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-01-23 20:08:45,870 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 20:08:45,870 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-01-23 20:08:45,870 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 20:08:45,870 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 289 [2025-01-23 20:08:46,079 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-23 20:08:46,080 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 96 treesize of output 51 [2025-01-23 20:08:51,251 WARN L331 ript$VariableManager]: TermVariable v_~q2_front~0_In_23 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-23 20:08:51,251 WARN L331 ript$VariableManager]: TermVariable v_~q2~0.base_In_15 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-23 20:08:51,251 WARN L331 ript$VariableManager]: TermVariable v_~q2~0.offset_In_15 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-23 20:08:51,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 20:08:51,252 INFO L85 PathProgramCache]: Analyzing trace with hash 182833506, now seen corresponding path program 1 times [2025-01-23 20:08:51,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-23 20:08:51,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241752927] [2025-01-23 20:08:51,252 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 20:08:51,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 20:08:51,278 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 290 statements into 1 equivalence classes. [2025-01-23 20:08:52,119 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 290 of 290 statements. [2025-01-23 20:08:52,119 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 20:08:52,119 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-23 20:08:52,129 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-23 20:08:52,129 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-23 20:08:52,129 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 339 is hopeless, skipping. [2025-01-23 20:08:52,129 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 389 is hopeless, skipping. [2025-01-23 20:08:52,129 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 435 [2025-01-23 20:08:52,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 20:08:52,197 INFO L85 PathProgramCache]: Analyzing trace with hash -1706412357, now seen corresponding path program 1 times [2025-01-23 20:08:52,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-23 20:08:52,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265168648] [2025-01-23 20:08:52,197 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 20:08:52,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 20:08:52,231 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 436 statements into 1 equivalence classes. [2025-01-23 20:08:52,359 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 436 of 436 statements. [2025-01-23 20:08:52,359 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 20:08:52,359 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:08:55,236 INFO L134 CoverageAnalysis]: Checked inductivity of 2495 backedges. 1239 proven. 1033 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2025-01-23 20:08:55,236 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-23 20:08:55,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265168648] [2025-01-23 20:08:55,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265168648] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 20:08:55,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [682320336] [2025-01-23 20:08:55,236 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 20:08:55,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 20:08:55,268 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 436 statements into 1 equivalence classes. [2025-01-23 20:08:55,412 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 436 of 436 statements. [2025-01-23 20:08:55,412 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 20:08:55,412 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:08:55,420 INFO L256 TraceCheckSpWp]: Trace formula consists of 1807 conjuncts, 52 conjuncts are in the unsatisfiable core [2025-01-23 20:08:55,424 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 20:08:57,995 INFO L134 CoverageAnalysis]: Checked inductivity of 2495 backedges. 1603 proven. 669 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2025-01-23 20:08:57,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [682320336] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 20:08:57,995 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-23 20:08:57,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 49] total 96 [2025-01-23 20:08:57,995 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-23 20:08:57,995 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 471 is hopeless, skipping. [2025-01-23 20:08:57,995 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 479 [2025-01-23 20:08:58,124 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2025-01-23 20:08:58,124 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 42 treesize of output 22 [2025-01-23 20:08:58,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 20:08:58,259 INFO L85 PathProgramCache]: Analyzing trace with hash -1017766059, now seen corresponding path program 1 times [2025-01-23 20:08:58,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-23 20:08:58,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396571507] [2025-01-23 20:08:58,259 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 20:08:58,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 20:08:58,292 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 480 statements into 1 equivalence classes. [2025-01-23 20:08:58,427 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 480 of 480 statements. [2025-01-23 20:08:58,427 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 20:08:58,427 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:09:01,515 INFO L134 CoverageAnalysis]: Checked inductivity of 2565 backedges. 1239 proven. 1033 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2025-01-23 20:09:01,515 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-23 20:09:01,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396571507] [2025-01-23 20:09:01,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396571507] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 20:09:01,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [2063460596] [2025-01-23 20:09:01,515 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 20:09:01,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 20:09:01,549 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 480 statements into 1 equivalence classes. [2025-01-23 20:09:01,776 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 480 of 480 statements. [2025-01-23 20:09:01,776 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 20:09:01,776 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:09:01,784 INFO L256 TraceCheckSpWp]: Trace formula consists of 1967 conjuncts, 52 conjuncts are in the unsatisfiable core [2025-01-23 20:09:01,788 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 20:09:04,370 INFO L134 CoverageAnalysis]: Checked inductivity of 2565 backedges. 1603 proven. 669 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2025-01-23 20:09:04,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [2063460596] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 20:09:04,370 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-23 20:09:04,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 49] total 96 [2025-01-23 20:09:04,370 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-23 20:09:04,370 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 481 [2025-01-23 20:09:04,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 20:09:04,427 INFO L85 PathProgramCache]: Analyzing trace with hash 1177940491, now seen corresponding path program 1 times [2025-01-23 20:09:04,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-23 20:09:04,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127027188] [2025-01-23 20:09:04,427 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 20:09:04,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 20:09:04,460 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 482 statements into 1 equivalence classes. [2025-01-23 20:09:04,607 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 482 of 482 statements. [2025-01-23 20:09:04,607 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 20:09:04,607 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:09:07,779 INFO L134 CoverageAnalysis]: Checked inductivity of 2565 backedges. 1239 proven. 1033 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2025-01-23 20:09:07,779 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-23 20:09:07,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127027188] [2025-01-23 20:09:07,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127027188] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 20:09:07,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [648136296] [2025-01-23 20:09:07,779 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 20:09:07,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 20:09:07,812 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 482 statements into 1 equivalence classes. [2025-01-23 20:09:07,980 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 482 of 482 statements. [2025-01-23 20:09:07,980 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 20:09:07,980 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:09:07,990 INFO L256 TraceCheckSpWp]: Trace formula consists of 1982 conjuncts, 52 conjuncts are in the unsatisfiable core [2025-01-23 20:09:07,994 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 20:09:10,623 INFO L134 CoverageAnalysis]: Checked inductivity of 2565 backedges. 1603 proven. 669 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2025-01-23 20:09:10,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [648136296] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 20:09:10,624 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-23 20:09:10,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 49] total 96 [2025-01-23 20:09:10,624 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-23 20:09:10,624 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 532 is hopeless, skipping. [2025-01-23 20:09:10,624 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 545 is hopeless, skipping. [2025-01-23 20:09:10,624 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 554 is hopeless, skipping. [2025-01-23 20:09:10,624 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 563 [2025-01-23 20:09:10,624 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 20:09:10,624 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-23 20:09:10,624 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 20:09:10,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 20:09:10,625 INFO L85 PathProgramCache]: Analyzing trace with hash -798117277, now seen corresponding path program 27 times [2025-01-23 20:09:10,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 20:09:10,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341596614] [2025-01-23 20:09:10,625 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-23 20:09:10,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 20:09:10,662 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 567 statements into 17 equivalence classes. [2025-01-23 20:09:13,144 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) and asserted 470 of 567 statements. [2025-01-23 20:09:13,144 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2025-01-23 20:09:13,144 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:09:16,494 INFO L134 CoverageAnalysis]: Checked inductivity of 2753 backedges. 864 proven. 1200 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2025-01-23 20:09:16,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 20:09:16,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341596614] [2025-01-23 20:09:16,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341596614] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 20:09:16,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1616989414] [2025-01-23 20:09:16,494 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-23 20:09:16,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 20:09:16,495 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 20:09:16,497 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 20:09:16,499 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2025-01-23 20:09:16,954 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 567 statements into 17 equivalence classes. Killed by 15