./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c --full-output --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1f73d82f Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../sv-benchmarks/c/weaver/popl20-bad-dot-product.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 39e90898aa78f5642c5c7d6f9df6b2e15e069a046a9465d5d61576c4b07f46b8 --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT --- Real Ultimate output --- This is Ultimate 0.3.0-dev-1f73d82-m [2024-11-21 15:42:47,509 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-21 15:42:47,617 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-11-21 15:42:47,626 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-21 15:42:47,626 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-21 15:42:47,658 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-21 15:42:47,658 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-21 15:42:47,658 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-21 15:42:47,659 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-21 15:42:47,659 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-21 15:42:47,659 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-21 15:42:47,659 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-21 15:42:47,659 INFO L153 SettingsManager]: * Use SBE=true [2024-11-21 15:42:47,660 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-21 15:42:47,660 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-21 15:42:47,661 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-21 15:42:47,661 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-21 15:42:47,662 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-21 15:42:47,662 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-21 15:42:47,662 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-21 15:42:47,662 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-21 15:42:47,662 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-21 15:42:47,662 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-21 15:42:47,662 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-21 15:42:47,662 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-21 15:42:47,662 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-21 15:42:47,662 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-21 15:42:47,662 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-21 15:42:47,662 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-21 15:42:47,662 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-21 15:42:47,662 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-21 15:42:47,663 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-21 15:42:47,663 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-21 15:42:47,663 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-21 15:42:47,663 INFO L153 SettingsManager]: * Commutativity condition synthesis=SUFFICIENT [2024-11-21 15:42:47,663 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-21 15:42:47,663 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-21 15:42:47,663 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-11-21 15:42:47,663 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-21 15:42:47,663 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-21 15:42:47,663 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-21 15:42:47,663 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-21 15:42:47,663 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-21 15:42:47,663 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 -> 39e90898aa78f5642c5c7d6f9df6b2e15e069a046a9465d5d61576c4b07f46b8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NECESSARY_AND_SUFFICIENT [2024-11-21 15:42:47,954 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-21 15:42:47,961 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-21 15:42:47,963 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-21 15:42:47,964 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-21 15:42:47,964 INFO L274 PluginConnector]: CDTParser initialized [2024-11-21 15:42:47,965 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c [2024-11-21 15:42:49,259 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/e82a5b3a4/697e005a4c324fbd8ad2ae435e8f6e02/FLAG8db2676fd [2024-11-21 15:42:49,531 INFO L384 CDTParser]: Found 1 translation units. [2024-11-21 15:42:49,532 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c [2024-11-21 15:42:49,542 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/e82a5b3a4/697e005a4c324fbd8ad2ae435e8f6e02/FLAG8db2676fd [2024-11-21 15:42:49,560 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/e82a5b3a4/697e005a4c324fbd8ad2ae435e8f6e02 [2024-11-21 15:42:49,562 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-21 15:42:49,563 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-21 15:42:49,566 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-21 15:42:49,566 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-21 15:42:49,571 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-21 15:42:49,571 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 03:42:49" (1/1) ... [2024-11-21 15:42:49,574 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10cfc38f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:42:49, skipping insertion in model container [2024-11-21 15:42:49,574 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 03:42:49" (1/1) ... [2024-11-21 15:42:49,588 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-21 15:42:49,753 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c[2904,2917] [2024-11-21 15:42:49,766 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 15:42:49,774 INFO L200 MainTranslator]: Completed pre-run [2024-11-21 15:42:49,795 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c[2904,2917] [2024-11-21 15:42:49,799 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 15:42:49,813 INFO L204 MainTranslator]: Completed translation [2024-11-21 15:42:49,814 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:42:49 WrapperNode [2024-11-21 15:42:49,814 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-21 15:42:49,815 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-21 15:42:49,815 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-21 15:42:49,816 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-21 15:42:49,822 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:42:49" (1/1) ... [2024-11-21 15:42:49,830 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:42:49" (1/1) ... [2024-11-21 15:42:49,857 INFO L138 Inliner]: procedures = 25, calls = 40, calls flagged for inlining = 16, calls inlined = 22, statements flattened = 264 [2024-11-21 15:42:49,858 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-21 15:42:49,858 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-21 15:42:49,859 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-21 15:42:49,859 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-21 15:42:49,864 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:42:49" (1/1) ... [2024-11-21 15:42:49,865 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:42:49" (1/1) ... [2024-11-21 15:42:49,868 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:42:49" (1/1) ... [2024-11-21 15:42:49,868 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:42:49" (1/1) ... [2024-11-21 15:42:49,877 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:42:49" (1/1) ... [2024-11-21 15:42:49,878 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:42:49" (1/1) ... [2024-11-21 15:42:49,882 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:42:49" (1/1) ... [2024-11-21 15:42:49,884 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:42:49" (1/1) ... [2024-11-21 15:42:49,885 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:42:49" (1/1) ... [2024-11-21 15:42:49,887 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-21 15:42:49,888 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-21 15:42:49,888 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-21 15:42:49,889 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-21 15:42:49,890 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:42:49" (1/1) ... [2024-11-21 15:42:49,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-21 15:42:49,908 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:42:49,919 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-21 15:42:49,921 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-21 15:42:49,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-21 15:42:49,941 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-21 15:42:49,941 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-21 15:42:49,942 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-21 15:42:49,942 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-21 15:42:49,942 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-21 15:42:49,942 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-21 15:42:49,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-21 15:42:49,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-21 15:42:49,942 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-21 15:42:49,942 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-21 15:42:49,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-21 15:42:49,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-21 15:42:49,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-21 15:42:49,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-21 15:42:49,943 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-21 15:42:50,035 INFO L234 CfgBuilder]: Building ICFG [2024-11-21 15:42:50,037 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-21 15:42:50,450 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-21 15:42:50,450 INFO L283 CfgBuilder]: Performing block encoding [2024-11-21 15:42:50,767 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-21 15:42:50,767 INFO L312 CfgBuilder]: Removed 8 assume(true) statements. [2024-11-21 15:42:50,768 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 03:42:50 BoogieIcfgContainer [2024-11-21 15:42:50,768 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-21 15:42:50,770 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-21 15:42:50,771 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-21 15:42:50,775 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-21 15:42:50,776 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 03:42:49" (1/3) ... [2024-11-21 15:42:50,777 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a22be14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 03:42:50, skipping insertion in model container [2024-11-21 15:42:50,777 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:42:49" (2/3) ... [2024-11-21 15:42:50,777 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a22be14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 03:42:50, skipping insertion in model container [2024-11-21 15:42:50,778 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 03:42:50" (3/3) ... [2024-11-21 15:42:50,779 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-bad-dot-product.wvr.c [2024-11-21 15:42:50,794 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-21 15:42:50,796 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-bad-dot-product.wvr.c that has 4 procedures, 40 locations, 1 initial locations, 8 loop locations, and 1 error locations. [2024-11-21 15:42:50,797 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-21 15:42:50,857 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-21 15:42:50,939 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 15:42:50,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-21 15:42:50,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:42:50,943 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-21 15:42:50,944 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-21 15:42:51,034 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-21 15:42:51,047 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-21 15:42:51,053 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;@21792523, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 15:42:51,054 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-21 15:42:51,333 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-21 15:42:51,334 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:42:51,334 INFO L139 ounterexampleChecker]: Examining path program with hash 1797786282, occurence #1 [2024-11-21 15:42:51,334 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 15:42:51,334 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:42:51,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:42:51,339 INFO L85 PathProgramCache]: Analyzing trace with hash -793848148, now seen corresponding path program 1 times [2024-11-21 15:42:51,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:42:51,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493103135] [2024-11-21 15:42:51,348 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:42:51,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:42:51,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:42:51,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:42:51,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:42:51,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493103135] [2024-11-21 15:42:51,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493103135] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 15:42:51,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 15:42:51,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-21 15:42:51,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051223199] [2024-11-21 15:42:51,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 15:42:51,592 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-21 15:42:51,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:42:51,610 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-21 15:42:51,611 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-21 15:42:51,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:42:51,613 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:42:51,614 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:42:51,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:42:51,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:42:51,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-21 15:42:51,699 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-21 15:42:51,699 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:42:51,700 INFO L139 ounterexampleChecker]: Examining path program with hash -1838521706, occurence #1 [2024-11-21 15:42:51,703 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 15:42:51,703 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:42:51,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:42:51,704 INFO L85 PathProgramCache]: Analyzing trace with hash -12406724, now seen corresponding path program 1 times [2024-11-21 15:42:51,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:42:51,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578980009] [2024-11-21 15:42:51,704 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:42:51,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:42:51,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:42:52,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:42:52,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:42:52,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578980009] [2024-11-21 15:42:52,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578980009] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 15:42:52,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 15:42:52,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-21 15:42:52,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689248738] [2024-11-21 15:42:52,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 15:42:52,027 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-21 15:42:52,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:42:52,028 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-21 15:42:52,028 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-21 15:42:52,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:42:52,030 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:42:52,031 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:42:52,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:42:52,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:42:52,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:42:52,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:42:52,165 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-21 15:42:52,165 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-21 15:42:52,165 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:42:52,165 INFO L139 ounterexampleChecker]: Examining path program with hash -1838521706, occurence #2 [2024-11-21 15:42:52,166 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:42:52,166 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:42:52,167 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:42:52,167 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2024-11-21 15:42:52,167 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:42:52,167 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-11-21 15:42:52,184 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:42:52,184 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-11-21 15:42:52,184 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:42:52,184 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2024-11-21 15:42:52,184 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:42:52,184 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-11-21 15:42:52,184 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:42:52,184 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2024-11-21 15:42:52,184 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:42:52,184 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2024-11-21 15:42:52,184 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:42:52,185 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2024-11-21 15:42:52,185 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:42:52,185 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:42:52,185 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:42:52,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:42:52,185 INFO L85 PathProgramCache]: Analyzing trace with hash -2125453102, now seen corresponding path program 1 times [2024-11-21 15:42:52,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:42:52,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868177667] [2024-11-21 15:42:52,185 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:42:52,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:42:52,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:42:52,388 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 15:42:52,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:42:52,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868177667] [2024-11-21 15:42:52,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868177667] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 15:42:52,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 15:42:52,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-21 15:42:52,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227173061] [2024-11-21 15:42:52,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 15:42:52,389 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-21 15:42:52,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:42:52,390 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-21 15:42:52,390 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-21 15:42:52,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:42:52,390 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:42:52,390 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:42:52,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:42:52,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:42:52,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:42:52,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:42:52,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:42:52,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:42:52,694 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-21 15:42:52,695 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-21 15:42:52,695 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:42:52,695 INFO L139 ounterexampleChecker]: Examining path program with hash -1525005333, occurence #1 [2024-11-21 15:42:52,695 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 15:42:52,696 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:42:52,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:42:52,697 INFO L85 PathProgramCache]: Analyzing trace with hash -2097237412, now seen corresponding path program 1 times [2024-11-21 15:42:52,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:42:52,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300174780] [2024-11-21 15:42:52,697 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:42:52,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:42:52,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:42:53,138 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:42:53,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:42:53,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300174780] [2024-11-21 15:42:53,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300174780] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:42:53,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [875562072] [2024-11-21 15:42:53,139 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:42:53,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:42:53,140 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:42:53,142 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:42:53,153 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-21 15:42:53,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:42:53,290 INFO L256 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-21 15:42:53,296 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:42:53,408 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:42:53,412 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:42:53,499 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:42:53,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [875562072] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:42:53,501 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:42:53,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2024-11-21 15:42:53,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310702034] [2024-11-21 15:42:53,501 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:42:53,502 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-21 15:42:53,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:42:53,502 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-21 15:42:53,503 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2024-11-21 15:42:53,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:42:53,503 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:42:53,503 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.857142857142857) internal successors, (68), 13 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:42:53,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:42:53,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:42:53,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:42:53,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:42:53,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:42:53,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:42:53,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:42:53,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:42:53,781 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-21 15:42:53,965 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:42:53,965 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 1 more)] === [2024-11-21 15:42:53,965 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:42:53,966 INFO L139 ounterexampleChecker]: Examining path program with hash -1525005333, occurence #2 [2024-11-21 15:42:53,966 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:42:53,966 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:42:53,966 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:42:53,966 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2024-11-21 15:42:53,966 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:42:53,966 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2024-11-21 15:42:53,966 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:42:53,966 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-11-21 15:42:53,966 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:42:53,966 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-21 15:42:53,966 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:42:53,966 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2024-11-21 15:42:53,966 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:42:53,966 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-21 15:42:53,966 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:42:53,966 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42 [2024-11-21 15:42:54,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:42:54,025 INFO L85 PathProgramCache]: Analyzing trace with hash -143164644, now seen corresponding path program 1 times [2024-11-21 15:42:54,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:42:54,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255175341] [2024-11-21 15:42:54,026 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:42:54,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:42:54,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:42:54,240 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:42:54,240 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:42:54,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255175341] [2024-11-21 15:42:54,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255175341] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:42:54,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1131764141] [2024-11-21 15:42:54,241 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:42:54,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:42:54,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:42:54,272 INFO L256 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-21 15:42:54,278 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:42:54,469 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:42:54,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1131764141] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:42:54,470 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:42:54,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-21 15:42:54,471 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:42:54,471 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2024-11-21 15:42:54,471 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:42:54,471 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2024-11-21 15:42:54,471 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:42:54,471 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2024-11-21 15:42:54,472 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:42:54,472 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 63 [2024-11-21 15:42:54,472 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:42:54,472 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:42:54,472 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:42:54,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:42:54,473 INFO L85 PathProgramCache]: Analyzing trace with hash 1303431558, now seen corresponding path program 2 times [2024-11-21 15:42:54,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:42:54,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476411412] [2024-11-21 15:42:54,473 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:42:54,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:42:54,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:42:54,759 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:42:54,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:42:54,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476411412] [2024-11-21 15:42:54,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476411412] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:42:54,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2055298254] [2024-11-21 15:42:54,760 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 15:42:54,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:42:54,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:42:54,764 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:42:54,765 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-21 15:42:54,895 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-21 15:42:54,895 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:42:54,899 INFO L256 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-21 15:42:54,901 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:42:54,997 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 25 treesize of output 9 [2024-11-21 15:42:55,014 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-21 15:42:55,016 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-21 15:42:55,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2055298254] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 15:42:55,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-21 15:42:55,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 11 [2024-11-21 15:42:55,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989813208] [2024-11-21 15:42:55,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 15:42:55,017 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-21 15:42:55,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:42:55,018 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-21 15:42:55,019 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-21 15:42:55,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:42:55,019 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:42:55,019 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 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) [2024-11-21 15:42:55,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:42:55,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:42:55,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:42:55,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:42:55,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:42:55,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:42:55,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:42:55,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:42:55,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:42:55,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:42:55,189 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-21 15:42:55,375 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:42:55,376 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-21 15:42:55,376 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:42:55,376 INFO L139 ounterexampleChecker]: Examining path program with hash -1525005333, occurence #3 [2024-11-21 15:42:55,376 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:42:55,376 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:42:55,376 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:42:55,376 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2024-11-21 15:42:55,376 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:42:55,377 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-11-21 15:42:55,377 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:42:55,377 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-11-21 15:42:55,377 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:42:55,377 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-11-21 15:42:55,377 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:42:55,377 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-21 15:42:55,377 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:42:55,377 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2024-11-21 15:42:55,377 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:42:55,377 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2024-11-21 15:42:55,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:42:55,428 INFO L85 PathProgramCache]: Analyzing trace with hash -1778438265, now seen corresponding path program 1 times [2024-11-21 15:42:55,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:42:55,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31053560] [2024-11-21 15:42:55,428 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:42:55,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:42:55,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:42:55,622 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 15:42:55,623 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:42:55,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31053560] [2024-11-21 15:42:55,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31053560] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:42:55,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [2049870696] [2024-11-21 15:42:55,623 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:42:55,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:42:55,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:42:55,671 INFO L256 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-21 15:42:55,673 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:42:55,846 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 15:42:55,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [2049870696] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:42:55,846 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:42:55,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-21 15:42:55,847 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:42:55,849 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2024-11-21 15:42:55,849 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:42:55,849 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2024-11-21 15:42:55,849 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:42:55,849 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 62 [2024-11-21 15:42:55,849 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:42:55,849 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 64 [2024-11-21 15:42:55,849 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:42:55,849 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:42:55,849 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:42:55,850 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:42:55,850 INFO L85 PathProgramCache]: Analyzing trace with hash -1067409378, now seen corresponding path program 1 times [2024-11-21 15:42:55,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:42:55,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826167932] [2024-11-21 15:42:55,850 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:42:55,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:42:55,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:42:56,065 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 15:42:56,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:42:56,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826167932] [2024-11-21 15:42:56,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826167932] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:42:56,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1609830375] [2024-11-21 15:42:56,065 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:42:56,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:42:56,066 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:42:56,068 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:42:56,070 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-21 15:42:56,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:42:56,202 INFO L256 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-21 15:42:56,208 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:42:56,300 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 23 treesize of output 7 [2024-11-21 15:42:56,319 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-21 15:42:56,320 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:42:56,369 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 25 treesize of output 9 [2024-11-21 15:42:56,433 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-21 15:42:56,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1609830375] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:42:56,435 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:42:56,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7] total 16 [2024-11-21 15:42:56,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394205588] [2024-11-21 15:42:56,435 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:42:56,436 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-21 15:42:56,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:42:56,438 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-21 15:42:56,438 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2024-11-21 15:42:56,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:42:56,438 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:42:56,439 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 5.5) internal successors, (88), 16 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:42:56,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:42:56,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:42:56,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:42:56,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:42:56,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:42:56,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:42:56,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:42:56,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:42:56,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:42:56,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:42:56,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:42:56,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:42:56,855 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-21 15:42:57,045 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable9,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:42:57,046 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-21 15:42:57,046 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:42:57,046 INFO L139 ounterexampleChecker]: Examining path program with hash -1838122211, occurence #1 [2024-11-21 15:42:57,046 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 15:42:57,046 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:42:57,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:42:57,047 INFO L85 PathProgramCache]: Analyzing trace with hash 1388576033, now seen corresponding path program 2 times [2024-11-21 15:42:57,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:42:57,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135918219] [2024-11-21 15:42:57,047 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:42:57,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:42:57,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:42:57,361 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-21 15:42:57,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:42:57,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135918219] [2024-11-21 15:42:57,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135918219] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:42:57,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [635264365] [2024-11-21 15:42:57,361 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 15:42:57,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:42:57,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:42:57,364 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:42:57,366 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-21 15:42:57,509 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-21 15:42:57,509 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:42:57,512 INFO L256 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-21 15:42:57,514 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:42:57,652 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 23 treesize of output 7 [2024-11-21 15:42:57,687 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-21 15:42:57,690 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:42:57,758 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 25 treesize of output 9 [2024-11-21 15:42:57,839 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-21 15:42:57,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [635264365] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:42:57,839 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:42:57,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 20 [2024-11-21 15:42:57,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90036754] [2024-11-21 15:42:57,840 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:42:57,840 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-21 15:42:57,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:42:57,840 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-21 15:42:57,841 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=300, Unknown=0, NotChecked=0, Total=380 [2024-11-21 15:42:57,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:42:57,841 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:42:57,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 4.45) internal successors, (89), 20 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:42:57,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:42:57,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:42:57,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:42:57,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:42:57,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:42:57,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:42:57,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:42:58,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:42:58,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:42:58,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:42:58,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:42:58,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:42:58,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:42:58,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:42:58,043 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-21 15:42:58,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:42:58,227 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-21 15:42:58,227 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:42:58,227 INFO L139 ounterexampleChecker]: Examining path program with hash -1838122211, occurence #2 [2024-11-21 15:42:58,227 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:42:58,227 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:42:58,227 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:42:58,227 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2024-11-21 15:42:58,227 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:42:58,227 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-11-21 15:42:58,227 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:42:58,227 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-21 15:42:58,228 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:42:58,228 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-11-21 15:42:58,228 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:42:58,228 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-21 15:42:58,228 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:42:58,228 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2024-11-21 15:42:58,228 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:42:58,228 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-11-21 15:42:58,228 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:42:58,228 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-11-21 15:42:58,228 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:42:58,228 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 81 [2024-11-21 15:42:58,228 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:42:58,228 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 82 [2024-11-21 15:42:58,228 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:42:58,228 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 84 [2024-11-21 15:42:58,228 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:42:58,228 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:42:58,228 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:42:58,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:42:58,229 INFO L85 PathProgramCache]: Analyzing trace with hash -1950199367, now seen corresponding path program 3 times [2024-11-21 15:42:58,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:42:58,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139980322] [2024-11-21 15:42:58,229 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:42:58,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:42:58,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:42:58,713 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 1 proven. 19 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-21 15:42:58,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:42:58,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139980322] [2024-11-21 15:42:58,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139980322] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:42:58,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [807245066] [2024-11-21 15:42:58,713 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-21 15:42:58,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:42:58,714 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:42:58,716 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:42:58,718 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-21 15:42:58,947 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-11-21 15:42:58,947 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:42:58,950 INFO L256 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-21 15:42:58,953 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:42:59,217 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 23 treesize of output 7 [2024-11-21 15:42:59,234 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 1 proven. 19 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-21 15:42:59,235 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:42:59,318 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 25 treesize of output 9 [2024-11-21 15:42:59,453 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 1 proven. 19 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-21 15:42:59,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [807245066] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:42:59,454 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:42:59,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 25 [2024-11-21 15:42:59,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911747532] [2024-11-21 15:42:59,454 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:42:59,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-21 15:42:59,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:42:59,455 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-21 15:42:59,455 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=480, Unknown=0, NotChecked=0, Total=600 [2024-11-21 15:42:59,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:42:59,456 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:42:59,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 4.72) internal successors, (118), 25 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:42:59,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:42:59,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:42:59,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:42:59,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:42:59,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:42:59,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:42:59,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:42:59,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:42:59,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:42:59,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:42:59,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:42:59,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:42:59,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:42:59,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:42:59,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:42:59,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:42:59,640 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-21 15:42:59,823 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-21 15:42:59,823 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-21 15:42:59,823 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:42:59,824 INFO L139 ounterexampleChecker]: Examining path program with hash -1838122211, occurence #3 [2024-11-21 15:42:59,824 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:42:59,824 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:42:59,824 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:42:59,824 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2024-11-21 15:42:59,824 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:42:59,824 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-11-21 15:42:59,824 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:42:59,825 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-11-21 15:42:59,825 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:42:59,825 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-11-21 15:42:59,825 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:42:59,825 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2024-11-21 15:42:59,825 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:42:59,825 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2024-11-21 15:42:59,825 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:42:59,825 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 58 [2024-11-21 15:42:59,825 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:42:59,825 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2024-11-21 15:42:59,826 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:42:59,826 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 82 [2024-11-21 15:42:59,826 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:42:59,826 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 83 [2024-11-21 15:42:59,826 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:42:59,826 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 85 [2024-11-21 15:42:59,826 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:42:59,826 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:42:59,826 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:42:59,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:42:59,827 INFO L85 PathProgramCache]: Analyzing trace with hash 1921945633, now seen corresponding path program 4 times [2024-11-21 15:42:59,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:42:59,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319422135] [2024-11-21 15:42:59,827 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:42:59,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:42:59,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:43:00,116 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 14 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-21 15:43:00,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:43:00,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319422135] [2024-11-21 15:43:00,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319422135] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:43:00,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1942030158] [2024-11-21 15:43:00,116 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-21 15:43:00,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:43:00,117 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:43:00,119 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:43:00,120 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-21 15:43:00,229 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-21 15:43:00,229 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:43:00,231 INFO L256 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-21 15:43:00,233 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:43:00,643 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-21 15:43:00,643 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:43:00,933 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-21 15:43:00,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1942030158] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:43:00,934 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:43:00,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 9] total 23 [2024-11-21 15:43:00,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348333961] [2024-11-21 15:43:00,934 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:43:00,935 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-21 15:43:00,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:43:00,935 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-21 15:43:00,936 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=414, Unknown=0, NotChecked=0, Total=506 [2024-11-21 15:43:00,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:43:00,936 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:43:00,936 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 7.130434782608695) internal successors, (164), 23 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:43:00,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:43:00,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:00,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:00,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:43:00,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:00,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:43:00,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:43:00,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:43:00,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:43:01,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:43:01,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:01,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:01,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:43:01,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:01,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:43:01,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:43:01,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:43:01,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 15:43:01,570 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-21 15:43:01,754 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:43:01,754 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-21 15:43:01,755 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:43:01,755 INFO L139 ounterexampleChecker]: Examining path program with hash -1089532257, occurence #1 [2024-11-21 15:43:01,755 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 15:43:01,755 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:43:01,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:43:01,755 INFO L85 PathProgramCache]: Analyzing trace with hash 1299098214, now seen corresponding path program 5 times [2024-11-21 15:43:01,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:43:01,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936517223] [2024-11-21 15:43:01,755 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:43:01,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:43:01,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:43:02,164 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-21 15:43:02,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:43:02,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936517223] [2024-11-21 15:43:02,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936517223] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:43:02,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [29975806] [2024-11-21 15:43:02,164 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-21 15:43:02,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:43:02,164 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:43:02,167 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:43:02,169 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-21 15:43:02,348 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2024-11-21 15:43:02,348 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:43:02,351 INFO L256 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-21 15:43:02,354 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:43:02,796 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 23 treesize of output 7 [2024-11-21 15:43:02,815 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-21 15:43:02,815 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:43:03,061 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 25 treesize of output 9 [2024-11-21 15:43:03,232 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-21 15:43:03,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [29975806] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:43:03,232 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:43:03,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 17, 17] total 39 [2024-11-21 15:43:03,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859350006] [2024-11-21 15:43:03,233 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:43:03,237 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2024-11-21 15:43:03,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:43:03,238 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2024-11-21 15:43:03,239 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=315, Invalid=1167, Unknown=0, NotChecked=0, Total=1482 [2024-11-21 15:43:03,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:43:03,239 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:43:03,239 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 5.256410256410256) internal successors, (205), 39 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:43:03,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:43:03,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:03,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:03,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:43:03,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:03,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:43:03,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:43:03,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:43:03,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 15:43:03,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:43:03,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:43:03,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:03,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:03,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:43:03,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:03,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:43:03,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:43:03,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:43:03,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 15:43:03,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:43:03,490 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-21 15:43:03,674 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:43:03,675 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-21 15:43:03,675 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:43:03,675 INFO L139 ounterexampleChecker]: Examining path program with hash -1089532257, occurence #2 [2024-11-21 15:43:03,675 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:43:03,675 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:43:03,675 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:03,675 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-11-21 15:43:03,675 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:03,675 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-11-21 15:43:03,675 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:43:03,675 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-11-21 15:43:03,675 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:43:03,675 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-11-21 15:43:03,675 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:43:03,675 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42 [2024-11-21 15:43:03,676 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:03,676 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-11-21 15:43:03,676 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:03,676 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 84 [2024-11-21 15:43:03,676 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:03,676 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 92 [2024-11-21 15:43:03,676 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:03,676 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2024-11-21 15:43:03,676 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:03,676 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 96 [2024-11-21 15:43:03,676 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:03,676 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2024-11-21 15:43:03,676 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:03,676 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 100 [2024-11-21 15:43:03,676 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:03,676 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 101 [2024-11-21 15:43:03,676 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:03,676 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 103 [2024-11-21 15:43:03,676 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:43:03,676 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:43:03,676 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:43:03,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:43:03,677 INFO L85 PathProgramCache]: Analyzing trace with hash 477066898, now seen corresponding path program 6 times [2024-11-21 15:43:03,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:43:03,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016669590] [2024-11-21 15:43:03,677 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:43:03,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:43:03,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:43:05,110 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-11-21 15:43:05,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:43:05,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016669590] [2024-11-21 15:43:05,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1016669590] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:43:05,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [877352097] [2024-11-21 15:43:05,111 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-21 15:43:05,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:43:05,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:43:05,113 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:43:05,114 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-21 15:43:05,351 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2024-11-21 15:43:05,351 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:43:05,354 INFO L256 TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-21 15:43:05,356 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:43:05,743 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 15 treesize of output 7 [2024-11-21 15:43:05,764 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-11-21 15:43:05,765 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-21 15:43:05,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [877352097] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 15:43:05,765 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-21 15:43:05,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [20] total 28 [2024-11-21 15:43:05,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734113244] [2024-11-21 15:43:05,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 15:43:05,765 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-21 15:43:05,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:43:05,766 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-21 15:43:05,766 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=156, Invalid=656, Unknown=0, NotChecked=0, Total=812 [2024-11-21 15:43:05,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:43:05,766 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:43:05,766 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.5) internal successors, (63), 13 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:43:05,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:43:05,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:05,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:05,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:43:05,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:05,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:43:05,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:43:05,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:43:05,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 15:43:05,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:43:05,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:43:06,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:43:06,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:06,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:06,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:43:06,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:06,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:43:06,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:43:06,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:43:06,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 15:43:06,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:43:06,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:43:06,215 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-21 15:43:06,402 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:43:06,403 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-21 15:43:06,403 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:43:06,403 INFO L139 ounterexampleChecker]: Examining path program with hash 341064673, occurence #1 [2024-11-21 15:43:06,403 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 15:43:06,403 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:43:06,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:43:06,403 INFO L85 PathProgramCache]: Analyzing trace with hash -747381499, now seen corresponding path program 7 times [2024-11-21 15:43:06,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:43:06,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012386831] [2024-11-21 15:43:06,404 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:43:06,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:43:06,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:43:06,699 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 1 proven. 32 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-11-21 15:43:06,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:43:06,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012386831] [2024-11-21 15:43:06,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012386831] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:43:06,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1829416384] [2024-11-21 15:43:06,700 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-21 15:43:06,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:43:06,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:43:06,702 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:43:06,704 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-21 15:43:06,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:43:06,876 INFO L256 TraceCheckSpWp]: Trace formula consists of 544 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-21 15:43:06,878 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:43:07,148 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 3 proven. 30 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-11-21 15:43:07,148 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:43:07,316 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 6 proven. 27 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-11-21 15:43:07,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1829416384] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:43:07,316 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:43:07,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 18 [2024-11-21 15:43:07,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918508361] [2024-11-21 15:43:07,316 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:43:07,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-21 15:43:07,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:43:07,317 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-21 15:43:07,317 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2024-11-21 15:43:07,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:43:07,318 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:43:07,318 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 7.842105263157895) internal successors, (149), 18 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:43:07,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:43:07,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:07,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:07,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:43:07,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:07,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:43:07,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:43:07,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:43:07,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 15:43:07,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:43:07,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:43:07,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:43:07,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:43:07,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:07,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:07,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:43:07,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:07,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:43:07,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:43:07,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:43:07,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 15:43:07,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:43:07,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:43:07,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:43:07,658 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-21 15:43:07,842 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,SelfDestructingSolverStorable15 [2024-11-21 15:43:07,842 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-21 15:43:07,842 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:43:07,843 INFO L139 ounterexampleChecker]: Examining path program with hash 2096280729, occurence #1 [2024-11-21 15:43:07,843 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 15:43:07,843 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:43:07,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:43:07,843 INFO L85 PathProgramCache]: Analyzing trace with hash 493208438, now seen corresponding path program 8 times [2024-11-21 15:43:07,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:43:07,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265160410] [2024-11-21 15:43:07,844 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:43:07,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:43:07,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:43:08,223 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 55 proven. 56 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-11-21 15:43:08,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:43:08,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265160410] [2024-11-21 15:43:08,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265160410] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:43:08,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1113151279] [2024-11-21 15:43:08,223 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 15:43:08,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:43:08,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:43:08,226 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:43:08,227 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-21 15:43:08,429 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-21 15:43:08,429 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:43:08,433 INFO L256 TraceCheckSpWp]: Trace formula consists of 675 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-21 15:43:08,436 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:43:09,174 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 74 proven. 31 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2024-11-21 15:43:09,175 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:43:09,689 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 74 proven. 31 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2024-11-21 15:43:09,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1113151279] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:43:09,689 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:43:09,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 13, 13] total 32 [2024-11-21 15:43:09,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339390816] [2024-11-21 15:43:09,690 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:43:09,690 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-11-21 15:43:09,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:43:09,691 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-11-21 15:43:09,692 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=861, Unknown=0, NotChecked=0, Total=992 [2024-11-21 15:43:09,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:43:09,692 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:43:09,692 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 9.0) internal successors, (288), 32 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:43:09,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:43:09,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:09,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:09,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:43:09,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:09,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:43:09,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:43:09,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:43:09,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 15:43:09,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:43:09,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:43:09,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:43:09,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:43:10,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:43:10,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:10,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:10,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:43:10,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:10,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:43:10,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:43:10,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:43:10,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 15:43:10,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:43:10,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:43:10,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:43:10,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-21 15:43:10,752 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-21 15:43:10,935 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,SelfDestructingSolverStorable16 [2024-11-21 15:43:10,935 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-21 15:43:10,935 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:43:10,936 INFO L139 ounterexampleChecker]: Examining path program with hash 244382777, occurence #1 [2024-11-21 15:43:10,936 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 15:43:10,936 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:43:10,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:43:10,936 INFO L85 PathProgramCache]: Analyzing trace with hash -239790230, now seen corresponding path program 9 times [2024-11-21 15:43:10,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:43:10,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039787920] [2024-11-21 15:43:10,936 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:43:10,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:43:10,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:43:11,888 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 132 proven. 80 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-21 15:43:11,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:43:11,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039787920] [2024-11-21 15:43:11,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039787920] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:43:11,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1926612191] [2024-11-21 15:43:11,889 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-21 15:43:11,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:43:11,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:43:11,891 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:43:11,892 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-21 15:43:12,217 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-21 15:43:12,217 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:43:12,220 INFO L256 TraceCheckSpWp]: Trace formula consists of 504 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-21 15:43:12,222 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:43:12,508 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 15:43:12,509 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 24 treesize of output 17 [2024-11-21 15:43:12,640 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 67 proven. 14 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2024-11-21 15:43:12,640 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:43:12,991 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 15:43:12,991 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 17 [2024-11-21 15:43:13,073 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 67 proven. 14 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2024-11-21 15:43:13,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1926612191] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:43:13,073 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:43:13,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 11, 11] total 39 [2024-11-21 15:43:13,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246373790] [2024-11-21 15:43:13,074 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:43:13,074 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2024-11-21 15:43:13,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:43:13,075 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2024-11-21 15:43:13,077 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=177, Invalid=1305, Unknown=0, NotChecked=0, Total=1482 [2024-11-21 15:43:13,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:43:13,077 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:43:13,078 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 6.17948717948718) internal successors, (241), 39 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:43:13,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:43:13,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:13,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:13,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:43:13,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:13,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:43:13,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:43:13,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:43:13,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 15:43:13,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:43:13,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:43:13,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:43:13,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-11-21 15:43:13,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:43:13,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:43:13,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:13,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:13,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:43:13,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:13,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:43:13,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:43:13,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:43:13,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 15:43:13,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:43:13,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:43:13,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:43:13,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-21 15:43:13,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-21 15:43:13,809 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-21 15:43:13,995 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,SelfDestructingSolverStorable17 [2024-11-21 15:43:13,995 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-21 15:43:13,995 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:43:13,995 INFO L139 ounterexampleChecker]: Examining path program with hash 244382777, occurence #2 [2024-11-21 15:43:13,995 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:43:13,996 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:43:13,996 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:13,996 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2024-11-21 15:43:13,996 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:13,996 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2024-11-21 15:43:13,996 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:43:13,996 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2024-11-21 15:43:13,996 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:43:13,996 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2024-11-21 15:43:13,996 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:43:13,996 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 64 [2024-11-21 15:43:13,996 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:13,996 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-11-21 15:43:14,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:43:14,041 INFO L85 PathProgramCache]: Analyzing trace with hash 29561608, now seen corresponding path program 1 times [2024-11-21 15:43:14,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:43:14,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129301280] [2024-11-21 15:43:14,041 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:43:14,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:43:14,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 15:43:14,213 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-21 15:43:14,213 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-21 15:43:14,213 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2024-11-21 15:43:14,213 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:14,213 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 126 [2024-11-21 15:43:14,213 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:14,214 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 158 [2024-11-21 15:43:14,214 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:14,214 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 177 [2024-11-21 15:43:14,214 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:14,214 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 178 [2024-11-21 15:43:14,214 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:14,214 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 182 [2024-11-21 15:43:14,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:43:14,250 INFO L85 PathProgramCache]: Analyzing trace with hash -681490565, now seen corresponding path program 1 times [2024-11-21 15:43:14,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:43:14,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624685522] [2024-11-21 15:43:14,250 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:43:14,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:43:14,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:43:15,261 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 309 proven. 119 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-21 15:43:15,261 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:43:15,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624685522] [2024-11-21 15:43:15,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624685522] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:43:15,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [90366595] [2024-11-21 15:43:15,262 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:43:15,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:43:15,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:43:15,323 INFO L256 TraceCheckSpWp]: Trace formula consists of 772 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-21 15:43:15,326 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:43:16,067 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 23 treesize of output 7 [2024-11-21 15:43:16,087 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 372 proven. 56 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-21 15:43:16,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [90366595] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:43:16,087 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:43:16,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 25] total 48 [2024-11-21 15:43:16,088 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:43:16,088 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 193 [2024-11-21 15:43:16,088 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:16,088 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 194 [2024-11-21 15:43:16,088 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:16,088 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 198 is hopeless, skipping. [2024-11-21 15:43:16,088 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 207 [2024-11-21 15:43:16,088 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:16,088 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 215 [2024-11-21 15:43:16,088 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:16,088 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 216 [2024-11-21 15:43:16,088 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:16,088 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 218 [2024-11-21 15:43:16,088 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:43:16,088 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:43:16,088 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:43:16,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:43:16,089 INFO L85 PathProgramCache]: Analyzing trace with hash -1628731561, now seen corresponding path program 10 times [2024-11-21 15:43:16,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:43:16,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650036189] [2024-11-21 15:43:16,089 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:43:16,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:43:16,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:43:17,288 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 327 proven. 106 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-21 15:43:17,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:43:17,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650036189] [2024-11-21 15:43:17,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650036189] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:43:17,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [207643691] [2024-11-21 15:43:17,289 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-21 15:43:17,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:43:17,289 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:43:17,291 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:43:17,293 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-21 15:43:17,462 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-21 15:43:17,463 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:43:17,464 INFO L256 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-21 15:43:17,468 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:43:18,608 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 15 treesize of output 7 [2024-11-21 15:43:18,631 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 196 proven. 194 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2024-11-21 15:43:18,631 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:43:18,906 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 15:43:18,906 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 25 treesize of output 17 [2024-11-21 15:43:19,143 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 196 proven. 168 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2024-11-21 15:43:19,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [207643691] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:43:19,144 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:43:19,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 24, 20] total 55 [2024-11-21 15:43:19,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541858341] [2024-11-21 15:43:19,144 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:43:19,145 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2024-11-21 15:43:19,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:43:19,145 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2024-11-21 15:43:19,146 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=475, Invalid=2495, Unknown=0, NotChecked=0, Total=2970 [2024-11-21 15:43:19,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:43:19,147 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:43:19,147 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 55 states have (on average 6.490909090909091) internal successors, (357), 55 states have internal predecessors, (357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:43:19,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:43:19,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:19,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:19,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:43:19,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:19,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:43:19,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:43:19,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:43:19,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 15:43:19,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:43:19,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:43:19,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:43:19,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-11-21 15:43:19,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-21 15:43:19,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:43:21,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:43:21,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:21,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:21,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:43:21,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:21,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:43:21,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:43:21,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:43:21,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 15:43:21,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:43:21,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:43:21,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:43:21,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-21 15:43:21,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-21 15:43:21,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-11-21 15:43:21,510 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 [2024-11-21 15:43:21,698 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,SelfDestructingSolverStorable19,SelfDestructingSolverStorable20,SelfDestructingSolverStorable21,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:43:21,698 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-21 15:43:21,698 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:43:21,699 INFO L139 ounterexampleChecker]: Examining path program with hash 1236938995, occurence #1 [2024-11-21 15:43:21,699 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 15:43:21,699 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:43:21,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:43:21,699 INFO L85 PathProgramCache]: Analyzing trace with hash 1326587734, now seen corresponding path program 11 times [2024-11-21 15:43:21,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:43:21,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291827963] [2024-11-21 15:43:21,700 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:43:21,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:43:21,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:43:23,471 INFO L134 CoverageAnalysis]: Checked inductivity of 2669 backedges. 1705 proven. 142 refuted. 0 times theorem prover too weak. 822 trivial. 0 not checked. [2024-11-21 15:43:23,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:43:23,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291827963] [2024-11-21 15:43:23,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [291827963] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:43:23,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [988131185] [2024-11-21 15:43:23,472 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-21 15:43:23,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:43:23,472 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:43:23,475 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:43:23,477 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-21 15:43:25,283 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 19 check-sat command(s) [2024-11-21 15:43:25,283 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:43:25,295 INFO L256 TraceCheckSpWp]: Trace formula consists of 1505 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-21 15:43:25,300 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:43:26,069 INFO L134 CoverageAnalysis]: Checked inductivity of 2669 backedges. 1827 proven. 10 refuted. 0 times theorem prover too weak. 832 trivial. 0 not checked. [2024-11-21 15:43:26,069 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:43:26,615 INFO L134 CoverageAnalysis]: Checked inductivity of 2669 backedges. 1827 proven. 10 refuted. 0 times theorem prover too weak. 832 trivial. 0 not checked. [2024-11-21 15:43:26,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [988131185] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:43:26,615 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:43:26,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 12, 12] total 49 [2024-11-21 15:43:26,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301594589] [2024-11-21 15:43:26,616 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:43:26,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2024-11-21 15:43:26,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:43:26,618 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2024-11-21 15:43:26,619 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=312, Invalid=2040, Unknown=0, NotChecked=0, Total=2352 [2024-11-21 15:43:26,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:43:26,619 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:43:26,619 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 7.285714285714286) internal successors, (357), 49 states have internal predecessors, (357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:43:26,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:43:26,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:26,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:26,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:43:26,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:26,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:43:26,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:43:26,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:43:26,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 15:43:26,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:43:26,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:43:26,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:43:26,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-21 15:43:26,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-21 15:43:26,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-11-21 15:43:26,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:43:27,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:43:27,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:27,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:27,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:43:27,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:27,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:43:27,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:43:27,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:43:27,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 15:43:27,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:43:27,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:43:27,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:43:27,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-21 15:43:27,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-21 15:43:27,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-11-21 15:43:27,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-21 15:43:27,029 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-21 15:43:27,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-11-21 15:43:27,203 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-21 15:43:27,203 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:43:27,204 INFO L139 ounterexampleChecker]: Examining path program with hash 1236938995, occurence #2 [2024-11-21 15:43:27,204 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:43:27,204 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:43:27,204 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:27,204 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-11-21 15:43:27,204 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:27,204 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2024-11-21 15:43:27,204 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:43:27,204 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2024-11-21 15:43:27,204 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:43:27,204 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2024-11-21 15:43:27,204 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:43:27,204 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2024-11-21 15:43:27,204 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:27,205 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 213 [2024-11-21 15:43:27,205 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:27,205 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 239 [2024-11-21 15:43:27,205 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:27,205 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 243 [2024-11-21 15:43:27,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:43:27,235 INFO L85 PathProgramCache]: Analyzing trace with hash -522826855, now seen corresponding path program 1 times [2024-11-21 15:43:27,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:43:27,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711813705] [2024-11-21 15:43:27,236 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:43:27,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:43:27,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:43:28,305 INFO L134 CoverageAnalysis]: Checked inductivity of 1399 backedges. 1105 proven. 163 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2024-11-21 15:43:28,306 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:43:28,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711813705] [2024-11-21 15:43:28,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711813705] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:43:28,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1995942907] [2024-11-21 15:43:28,306 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:43:28,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:43:28,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:43:28,380 INFO L256 TraceCheckSpWp]: Trace formula consists of 993 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-21 15:43:28,384 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:43:29,230 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 23 treesize of output 7 [2024-11-21 15:43:29,252 INFO L134 CoverageAnalysis]: Checked inductivity of 1399 backedges. 1180 proven. 88 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2024-11-21 15:43:29,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1995942907] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:43:29,252 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:43:29,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 29] total 56 [2024-11-21 15:43:29,252 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:43:29,252 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 269 [2024-11-21 15:43:29,252 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:29,252 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 301 [2024-11-21 15:43:29,252 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:29,252 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 333 [2024-11-21 15:43:29,252 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:29,252 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 352 [2024-11-21 15:43:29,252 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:29,252 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 353 [2024-11-21 15:43:29,252 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:29,252 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 357 [2024-11-21 15:43:29,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:43:29,287 INFO L85 PathProgramCache]: Analyzing trace with hash 186371916, now seen corresponding path program 1 times [2024-11-21 15:43:29,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:43:29,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970486617] [2024-11-21 15:43:29,288 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:43:29,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:43:29,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:43:30,636 INFO L134 CoverageAnalysis]: Checked inductivity of 2632 backedges. 1821 proven. 163 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2024-11-21 15:43:30,636 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:43:30,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970486617] [2024-11-21 15:43:30,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970486617] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:43:30,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [895529809] [2024-11-21 15:43:30,636 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:43:30,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:43:30,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:43:30,760 INFO L256 TraceCheckSpWp]: Trace formula consists of 1350 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-21 15:43:30,768 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:43:31,658 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 23 treesize of output 7 [2024-11-21 15:43:31,685 INFO L134 CoverageAnalysis]: Checked inductivity of 2632 backedges. 1896 proven. 88 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2024-11-21 15:43:31,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [895529809] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:43:31,685 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:43:31,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 29] total 56 [2024-11-21 15:43:31,685 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:43:31,686 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 368 [2024-11-21 15:43:31,686 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:31,686 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 369 [2024-11-21 15:43:31,686 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:31,686 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 373 is hopeless, skipping. [2024-11-21 15:43:31,686 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 384 [2024-11-21 15:43:31,686 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:31,686 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 385 [2024-11-21 15:43:31,686 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:31,686 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 389 is hopeless, skipping. [2024-11-21 15:43:31,686 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 398 [2024-11-21 15:43:31,686 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:31,686 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 407 [2024-11-21 15:43:31,686 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:31,686 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 408 [2024-11-21 15:43:31,686 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:31,686 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 410 [2024-11-21 15:43:31,686 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:43:31,686 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:43:31,686 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:43:31,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:43:31,687 INFO L85 PathProgramCache]: Analyzing trace with hash 326683092, now seen corresponding path program 12 times [2024-11-21 15:43:31,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:43:31,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605829938] [2024-11-21 15:43:31,687 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:43:31,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:43:31,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:43:33,042 INFO L134 CoverageAnalysis]: Checked inductivity of 2686 backedges. 1821 proven. 163 refuted. 0 times theorem prover too weak. 702 trivial. 0 not checked. [2024-11-21 15:43:33,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:43:33,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605829938] [2024-11-21 15:43:33,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605829938] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:43:33,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1165252484] [2024-11-21 15:43:33,043 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-21 15:43:33,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:43:33,043 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:43:33,045 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:43:33,045 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-21 15:43:33,781 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2024-11-21 15:43:33,781 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:43:33,786 INFO L256 TraceCheckSpWp]: Trace formula consists of 835 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-21 15:43:33,790 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:43:34,875 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-21 15:43:34,876 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 21 treesize of output 11 [2024-11-21 15:43:34,961 INFO L134 CoverageAnalysis]: Checked inductivity of 2686 backedges. 498 proven. 25 refuted. 0 times theorem prover too weak. 2163 trivial. 0 not checked. [2024-11-21 15:43:34,961 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:43:35,472 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 15:43:35,472 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 24 treesize of output 17 [2024-11-21 15:43:35,617 INFO L134 CoverageAnalysis]: Checked inductivity of 2686 backedges. 459 proven. 49 refuted. 0 times theorem prover too weak. 2178 trivial. 0 not checked. [2024-11-21 15:43:35,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1165252484] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:43:35,617 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:43:35,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 22, 16] total 65 [2024-11-21 15:43:35,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165897381] [2024-11-21 15:43:35,617 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:43:35,618 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2024-11-21 15:43:35,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:43:35,619 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2024-11-21 15:43:35,620 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=414, Invalid=3746, Unknown=0, NotChecked=0, Total=4160 [2024-11-21 15:43:35,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:43:35,620 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:43:35,620 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 6.538461538461538) internal successors, (425), 65 states have internal predecessors, (425), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:43:35,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:43:35,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:35,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:35,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:43:35,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:35,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:43:35,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:43:35,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:43:35,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 15:43:35,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:43:35,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:43:35,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:43:35,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-21 15:43:35,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-21 15:43:35,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-11-21 15:43:35,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-21 15:43:35,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:43:36,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:43:36,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:36,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:36,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:43:36,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:36,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:43:36,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:43:36,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:43:36,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 15:43:36,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:43:36,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:43:36,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:43:36,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-21 15:43:36,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-21 15:43:36,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-11-21 15:43:36,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-21 15:43:36,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-21 15:43:36,685 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-21 15:43:36,872 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23,SelfDestructingSolverStorable24,SelfDestructingSolverStorable25,SelfDestructingSolverStorable26,SelfDestructingSolverStorable27 [2024-11-21 15:43:36,872 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-21 15:43:36,872 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:43:36,873 INFO L139 ounterexampleChecker]: Examining path program with hash 1236938995, occurence #3 [2024-11-21 15:43:36,873 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:43:36,873 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:43:36,873 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:36,873 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-11-21 15:43:36,873 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:36,873 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2024-11-21 15:43:36,873 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:43:36,873 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2024-11-21 15:43:36,873 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:43:36,873 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-21 15:43:36,873 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:43:36,873 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2024-11-21 15:43:36,873 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:36,873 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 215 [2024-11-21 15:43:36,873 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:36,873 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 241 [2024-11-21 15:43:36,873 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:36,873 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 245 [2024-11-21 15:43:36,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:43:36,901 INFO L85 PathProgramCache]: Analyzing trace with hash 791292319, now seen corresponding path program 1 times [2024-11-21 15:43:36,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:43:36,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917191413] [2024-11-21 15:43:36,901 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:43:36,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:43:36,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:43:38,018 INFO L134 CoverageAnalysis]: Checked inductivity of 1418 backedges. 1143 proven. 185 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-11-21 15:43:38,018 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:43:38,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917191413] [2024-11-21 15:43:38,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917191413] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:43:38,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1697869714] [2024-11-21 15:43:38,019 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:43:38,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:43:38,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:43:38,079 INFO L256 TraceCheckSpWp]: Trace formula consists of 1011 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-21 15:43:38,082 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:43:38,986 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 23 treesize of output 7 [2024-11-21 15:43:39,010 INFO L134 CoverageAnalysis]: Checked inductivity of 1418 backedges. 1226 proven. 102 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-11-21 15:43:39,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1697869714] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:43:39,010 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:43:39,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 31] total 60 [2024-11-21 15:43:39,010 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:43:39,011 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 283 [2024-11-21 15:43:39,011 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:39,011 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 327 [2024-11-21 15:43:39,011 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:39,011 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 371 [2024-11-21 15:43:39,011 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:39,011 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 390 [2024-11-21 15:43:39,011 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:39,011 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 391 [2024-11-21 15:43:39,011 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:39,011 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 395 [2024-11-21 15:43:39,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:43:39,037 INFO L85 PathProgramCache]: Analyzing trace with hash 777731437, now seen corresponding path program 1 times [2024-11-21 15:43:39,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:43:39,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952263354] [2024-11-21 15:43:39,037 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:43:39,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:43:39,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:43:39,721 INFO L134 CoverageAnalysis]: Checked inductivity of 3434 backedges. 10 proven. 2555 refuted. 0 times theorem prover too weak. 869 trivial. 0 not checked. [2024-11-21 15:43:39,722 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:43:39,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952263354] [2024-11-21 15:43:39,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952263354] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:43:39,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1766745517] [2024-11-21 15:43:39,722 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:43:39,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:43:39,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:43:39,841 INFO L256 TraceCheckSpWp]: Trace formula consists of 1485 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-21 15:43:39,847 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:43:40,669 INFO L134 CoverageAnalysis]: Checked inductivity of 3434 backedges. 15 proven. 2550 refuted. 0 times theorem prover too weak. 869 trivial. 0 not checked. [2024-11-21 15:43:40,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1766745517] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:43:40,669 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:43:40,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2024-11-21 15:43:40,670 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:43:40,670 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 406 [2024-11-21 15:43:40,670 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:40,670 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 407 [2024-11-21 15:43:40,670 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:40,670 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 411 is hopeless, skipping. [2024-11-21 15:43:40,670 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 422 [2024-11-21 15:43:40,670 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:40,670 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 423 [2024-11-21 15:43:40,670 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:40,670 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 427 is hopeless, skipping. [2024-11-21 15:43:40,670 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 436 [2024-11-21 15:43:40,670 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:40,670 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 445 [2024-11-21 15:43:40,670 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:40,670 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 446 [2024-11-21 15:43:40,670 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:40,670 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 448 [2024-11-21 15:43:40,670 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:43:40,670 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:43:40,670 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:43:40,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:43:40,671 INFO L85 PathProgramCache]: Analyzing trace with hash 1799599003, now seen corresponding path program 13 times [2024-11-21 15:43:40,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:43:40,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207101641] [2024-11-21 15:43:40,671 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:43:40,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:43:40,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:43:41,359 INFO L134 CoverageAnalysis]: Checked inductivity of 3488 backedges. 10 proven. 2555 refuted. 0 times theorem prover too weak. 923 trivial. 0 not checked. [2024-11-21 15:43:41,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:43:41,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207101641] [2024-11-21 15:43:41,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207101641] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:43:41,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [26207875] [2024-11-21 15:43:41,359 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-21 15:43:41,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:43:41,359 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:43:41,361 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:43:41,362 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-21 15:43:41,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:43:41,713 INFO L256 TraceCheckSpWp]: Trace formula consists of 1658 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-21 15:43:41,719 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:43:42,584 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 23 treesize of output 7 [2024-11-21 15:43:42,608 INFO L134 CoverageAnalysis]: Checked inductivity of 3488 backedges. 2416 proven. 102 refuted. 0 times theorem prover too weak. 970 trivial. 0 not checked. [2024-11-21 15:43:42,608 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:43:43,101 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 25 treesize of output 9 [2024-11-21 15:43:43,613 INFO L134 CoverageAnalysis]: Checked inductivity of 3488 backedges. 2416 proven. 102 refuted. 0 times theorem prover too weak. 970 trivial. 0 not checked. [2024-11-21 15:43:43,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [26207875] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:43:43,614 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:43:43,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 31, 31] total 72 [2024-11-21 15:43:43,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522821743] [2024-11-21 15:43:43,614 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:43:43,615 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 72 states [2024-11-21 15:43:43,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:43:43,616 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2024-11-21 15:43:43,618 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=716, Invalid=4396, Unknown=0, NotChecked=0, Total=5112 [2024-11-21 15:43:43,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:43:43,618 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:43:43,618 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 72 states, 72 states have (on average 6.597222222222222) internal successors, (475), 72 states have internal predecessors, (475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:43:43,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:43:43,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:43,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:43,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:43:43,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:43,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:43:43,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:43:43,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:43:43,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 15:43:43,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:43:43,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:43:43,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:43:43,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-21 15:43:43,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-21 15:43:43,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-11-21 15:43:43,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-21 15:43:43,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-11-21 15:43:43,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:43:44,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:43:44,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:44,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:44,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:43:44,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:44,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:43:44,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:43:44,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:43:44,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 15:43:44,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:43:44,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:43:44,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:43:44,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-21 15:43:44,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-21 15:43:44,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-11-21 15:43:44,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-21 15:43:44,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-21 15:43:44,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-21 15:43:44,486 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-21 15:43:44,673 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,17 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30,SelfDestructingSolverStorable31,SelfDestructingSolverStorable32,SelfDestructingSolverStorable28 [2024-11-21 15:43:44,673 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-21 15:43:44,673 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:43:44,674 INFO L139 ounterexampleChecker]: Examining path program with hash 1236938995, occurence #4 [2024-11-21 15:43:44,674 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:43:44,674 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:43:44,674 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:44,674 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-11-21 15:43:44,674 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:44,674 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2024-11-21 15:43:44,674 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:43:44,674 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2024-11-21 15:43:44,674 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:43:44,674 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2024-11-21 15:43:44,674 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:43:44,674 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 96 [2024-11-21 15:43:44,674 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:44,674 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 216 [2024-11-21 15:43:44,674 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:44,674 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 242 [2024-11-21 15:43:44,674 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:44,674 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 246 [2024-11-21 15:43:44,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:43:44,697 INFO L85 PathProgramCache]: Analyzing trace with hash 941159741, now seen corresponding path program 1 times [2024-11-21 15:43:44,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:43:44,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757335028] [2024-11-21 15:43:44,697 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:43:44,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:43:44,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:43:45,803 INFO L134 CoverageAnalysis]: Checked inductivity of 1432 backedges. 1169 proven. 208 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 15:43:45,803 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:43:45,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757335028] [2024-11-21 15:43:45,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [757335028] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:43:45,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [2065505548] [2024-11-21 15:43:45,803 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:43:45,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:43:45,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:43:45,860 INFO L256 TraceCheckSpWp]: Trace formula consists of 1020 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-21 15:43:45,864 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:43:46,874 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 23 treesize of output 7 [2024-11-21 15:43:46,901 INFO L134 CoverageAnalysis]: Checked inductivity of 1432 backedges. 1260 proven. 117 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 15:43:46,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [2065505548] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:43:46,902 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:43:46,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 33] total 64 [2024-11-21 15:43:46,902 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:43:46,902 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 284 [2024-11-21 15:43:46,902 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:46,902 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 328 [2024-11-21 15:43:46,902 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:46,902 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 372 [2024-11-21 15:43:46,903 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:46,903 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 416 [2024-11-21 15:43:46,903 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:46,903 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 435 [2024-11-21 15:43:46,903 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:46,903 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 436 [2024-11-21 15:43:46,903 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:46,903 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 440 [2024-11-21 15:43:46,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:43:46,932 INFO L85 PathProgramCache]: Analyzing trace with hash 1975183420, now seen corresponding path program 1 times [2024-11-21 15:43:46,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:43:46,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691863108] [2024-11-21 15:43:46,933 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:43:46,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:43:47,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:43:48,604 INFO L134 CoverageAnalysis]: Checked inductivity of 4335 backedges. 2891 proven. 208 refuted. 0 times theorem prover too weak. 1236 trivial. 0 not checked. [2024-11-21 15:43:48,604 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:43:48,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691863108] [2024-11-21 15:43:48,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691863108] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:43:48,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1637988410] [2024-11-21 15:43:48,604 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:43:48,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:43:48,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:43:48,715 INFO L256 TraceCheckSpWp]: Trace formula consists of 1633 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-21 15:43:48,721 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:43:49,689 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 23 treesize of output 7 [2024-11-21 15:43:49,717 INFO L134 CoverageAnalysis]: Checked inductivity of 4335 backedges. 2982 proven. 117 refuted. 0 times theorem prover too weak. 1236 trivial. 0 not checked. [2024-11-21 15:43:49,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1637988410] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:43:49,717 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:43:49,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 33] total 64 [2024-11-21 15:43:49,717 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:43:49,717 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 451 [2024-11-21 15:43:49,717 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:49,717 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 452 [2024-11-21 15:43:49,717 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:49,717 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 456 is hopeless, skipping. [2024-11-21 15:43:49,717 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 467 [2024-11-21 15:43:49,717 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:49,718 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 468 [2024-11-21 15:43:49,718 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:49,718 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 472 is hopeless, skipping. [2024-11-21 15:43:49,718 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 481 [2024-11-21 15:43:49,718 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:49,718 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 490 [2024-11-21 15:43:49,718 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:49,718 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 491 [2024-11-21 15:43:49,718 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:49,718 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 493 [2024-11-21 15:43:49,718 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:43:49,718 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:43:49,718 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:43:49,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:43:49,718 INFO L85 PathProgramCache]: Analyzing trace with hash 196336306, now seen corresponding path program 14 times [2024-11-21 15:43:49,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:43:49,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920746839] [2024-11-21 15:43:49,719 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:43:49,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:43:49,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:43:51,448 INFO L134 CoverageAnalysis]: Checked inductivity of 4389 backedges. 2891 proven. 208 refuted. 0 times theorem prover too weak. 1290 trivial. 0 not checked. [2024-11-21 15:43:51,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:43:51,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920746839] [2024-11-21 15:43:51,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920746839] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:43:51,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1510924922] [2024-11-21 15:43:51,448 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 15:43:51,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:43:51,448 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:43:51,450 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:43:51,451 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-21 15:43:51,869 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-21 15:43:51,869 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:43:51,875 INFO L256 TraceCheckSpWp]: Trace formula consists of 1806 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-21 15:43:51,882 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:43:53,058 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 23 treesize of output 7 [2024-11-21 15:43:53,090 INFO L134 CoverageAnalysis]: Checked inductivity of 4389 backedges. 2982 proven. 117 refuted. 0 times theorem prover too weak. 1290 trivial. 0 not checked. [2024-11-21 15:43:53,090 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:43:53,517 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 25 treesize of output 9 [2024-11-21 15:43:53,991 INFO L134 CoverageAnalysis]: Checked inductivity of 4389 backedges. 2982 proven. 117 refuted. 0 times theorem prover too weak. 1290 trivial. 0 not checked. [2024-11-21 15:43:53,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1510924922] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:43:53,992 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:43:53,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 33, 33] total 80 [2024-11-21 15:43:53,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266734235] [2024-11-21 15:43:53,992 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:43:53,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 80 states [2024-11-21 15:43:53,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:43:53,997 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2024-11-21 15:43:53,999 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1154, Invalid=5166, Unknown=0, NotChecked=0, Total=6320 [2024-11-21 15:43:53,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:43:53,999 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:43:54,000 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 80 states, 80 states have (on average 5.2375) internal successors, (419), 80 states have internal predecessors, (419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:43:54,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:43:54,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:54,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:54,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:43:54,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:54,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:43:54,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:43:54,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:43:54,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 15:43:54,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:43:54,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:43:54,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:43:54,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-21 15:43:54,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-21 15:43:54,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-11-21 15:43:54,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-21 15:43:54,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-11-21 15:43:54,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-11-21 15:43:54,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:43:54,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:43:54,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:54,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:54,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:43:54,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:54,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:43:54,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:43:54,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:43:54,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 15:43:54,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:43:54,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:43:54,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:43:54,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-21 15:43:54,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-21 15:43:54,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-11-21 15:43:54,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-21 15:43:54,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-21 15:43:54,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-21 15:43:54,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-21 15:43:54,255 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-21 15:43:54,446 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,SelfDestructingSolverStorable34,SelfDestructingSolverStorable35,SelfDestructingSolverStorable36,18 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-11-21 15:43:54,446 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-21 15:43:54,446 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:43:54,447 INFO L139 ounterexampleChecker]: Examining path program with hash 1236938995, occurence #5 [2024-11-21 15:43:54,447 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:43:54,447 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:43:54,447 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:54,447 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-11-21 15:43:54,447 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:54,447 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2024-11-21 15:43:54,447 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:43:54,447 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2024-11-21 15:43:54,447 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:43:54,447 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2024-11-21 15:43:54,447 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:43:54,447 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2024-11-21 15:43:54,447 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:54,447 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 217 [2024-11-21 15:43:54,447 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:54,448 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 243 [2024-11-21 15:43:54,448 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:54,448 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 247 [2024-11-21 15:43:54,474 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:43:54,474 INFO L85 PathProgramCache]: Analyzing trace with hash 1292082347, now seen corresponding path program 1 times [2024-11-21 15:43:54,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:43:54,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035833482] [2024-11-21 15:43:54,475 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:43:54,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:43:54,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:43:55,702 INFO L134 CoverageAnalysis]: Checked inductivity of 1447 backedges. 1183 proven. 232 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-21 15:43:55,702 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:43:55,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035833482] [2024-11-21 15:43:55,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035833482] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:43:55,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1162672809] [2024-11-21 15:43:55,702 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:43:55,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:43:55,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:43:55,760 INFO L256 TraceCheckSpWp]: Trace formula consists of 1029 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-21 15:43:55,763 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:43:56,845 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 23 treesize of output 7 [2024-11-21 15:43:56,870 INFO L134 CoverageAnalysis]: Checked inductivity of 1447 backedges. 1282 proven. 133 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-21 15:43:56,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1162672809] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:43:56,870 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:43:56,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 35] total 68 [2024-11-21 15:43:56,870 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:43:56,870 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 285 [2024-11-21 15:43:56,870 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:56,870 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 329 [2024-11-21 15:43:56,870 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:56,870 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 373 [2024-11-21 15:43:56,870 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:56,870 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 417 [2024-11-21 15:43:56,870 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:56,870 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 436 [2024-11-21 15:43:56,870 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:56,871 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 437 [2024-11-21 15:43:56,871 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:56,871 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 441 [2024-11-21 15:43:56,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:43:56,896 INFO L85 PathProgramCache]: Analyzing trace with hash 1278973354, now seen corresponding path program 1 times [2024-11-21 15:43:56,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:43:56,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177792073] [2024-11-21 15:43:56,896 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:43:56,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:43:56,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:43:58,593 INFO L134 CoverageAnalysis]: Checked inductivity of 4350 backedges. 3041 proven. 232 refuted. 0 times theorem prover too weak. 1077 trivial. 0 not checked. [2024-11-21 15:43:58,593 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:43:58,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177792073] [2024-11-21 15:43:58,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177792073] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:43:58,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1981415068] [2024-11-21 15:43:58,593 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:43:58,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:43:58,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:43:58,710 INFO L256 TraceCheckSpWp]: Trace formula consists of 1642 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-21 15:43:58,715 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:43:59,863 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 23 treesize of output 7 [2024-11-21 15:43:59,893 INFO L134 CoverageAnalysis]: Checked inductivity of 4350 backedges. 3140 proven. 133 refuted. 0 times theorem prover too weak. 1077 trivial. 0 not checked. [2024-11-21 15:43:59,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1981415068] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:43:59,893 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:43:59,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 35] total 68 [2024-11-21 15:43:59,893 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:43:59,893 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 452 [2024-11-21 15:43:59,893 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:59,893 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 453 [2024-11-21 15:43:59,893 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:59,893 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 457 is hopeless, skipping. [2024-11-21 15:43:59,894 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 468 [2024-11-21 15:43:59,894 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:59,894 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 469 [2024-11-21 15:43:59,894 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:59,894 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 473 is hopeless, skipping. [2024-11-21 15:43:59,894 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 482 [2024-11-21 15:43:59,894 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:59,894 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 491 [2024-11-21 15:43:59,894 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:59,894 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 492 [2024-11-21 15:43:59,894 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:59,894 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 494 [2024-11-21 15:43:59,894 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:43:59,894 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:43:59,894 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:43:59,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:43:59,895 INFO L85 PathProgramCache]: Analyzing trace with hash 424032330, now seen corresponding path program 15 times [2024-11-21 15:43:59,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:43:59,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339939688] [2024-11-21 15:43:59,895 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:43:59,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:44:00,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:44:01,794 INFO L134 CoverageAnalysis]: Checked inductivity of 4404 backedges. 3041 proven. 232 refuted. 0 times theorem prover too weak. 1131 trivial. 0 not checked. [2024-11-21 15:44:01,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:44:01,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339939688] [2024-11-21 15:44:01,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339939688] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:44:01,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1607213501] [2024-11-21 15:44:01,794 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-21 15:44:01,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:44:01,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:44:01,799 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:44:01,801 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-21 15:44:02,550 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-11-21 15:44:02,550 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:44:02,554 INFO L256 TraceCheckSpWp]: Trace formula consists of 749 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-21 15:44:02,560 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:44:03,087 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 15:44:03,087 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 24 treesize of output 17 [2024-11-21 15:44:03,184 INFO L134 CoverageAnalysis]: Checked inductivity of 4404 backedges. 901 proven. 32 refuted. 0 times theorem prover too weak. 3471 trivial. 0 not checked. [2024-11-21 15:44:03,185 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:44:03,763 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 15:44:03,764 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 24 treesize of output 17 [2024-11-21 15:44:03,986 INFO L134 CoverageAnalysis]: Checked inductivity of 4404 backedges. 862 proven. 71 refuted. 0 times theorem prover too weak. 3471 trivial. 0 not checked. [2024-11-21 15:44:03,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1607213501] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:44:03,986 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:44:03,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 16, 16] total 62 [2024-11-21 15:44:03,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166935378] [2024-11-21 15:44:03,986 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:44:03,987 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2024-11-21 15:44:03,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:44:03,988 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2024-11-21 15:44:03,989 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=429, Invalid=3353, Unknown=0, NotChecked=0, Total=3782 [2024-11-21 15:44:03,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:44:03,989 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:44:03,989 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 62 states have (on average 7.145161290322581) internal successors, (443), 62 states have internal predecessors, (443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:44:03,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:44:03,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:44:03,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:44:03,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:44:03,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:44:03,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:44:03,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:44:03,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:44:03,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 15:44:03,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:44:03,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:44:03,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:44:03,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-21 15:44:03,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-21 15:44:03,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-11-21 15:44:03,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-21 15:44:03,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-11-21 15:44:03,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-11-21 15:44:03,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-21 15:44:03,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:44:04,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:44:04,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:44:04,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:44:04,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:44:04,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:44:04,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:44:04,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:44:04,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:44:04,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 15:44:04,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:44:04,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:44:04,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:44:04,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-21 15:44:04,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-21 15:44:04,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-11-21 15:44:04,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-21 15:44:04,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-21 15:44:04,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-21 15:44:04,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-21 15:44:04,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-21 15:44:04,976 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-21 15:44:05,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,SelfDestructingSolverStorable41,SelfDestructingSolverStorable42,19 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38,SelfDestructingSolverStorable39 [2024-11-21 15:44:05,158 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-21 15:44:05,158 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:44:05,159 INFO L139 ounterexampleChecker]: Examining path program with hash 1236938995, occurence #6 [2024-11-21 15:44:05,159 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:44:05,159 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:44:05,159 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:44:05,159 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-11-21 15:44:05,159 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:44:05,159 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2024-11-21 15:44:05,159 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:44:05,159 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-21 15:44:05,159 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:44:05,159 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2024-11-21 15:44:05,159 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:44:05,159 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 98 [2024-11-21 15:44:05,159 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:44:05,159 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 218 [2024-11-21 15:44:05,159 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:44:05,159 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 244 [2024-11-21 15:44:05,159 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:44:05,159 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 248 [2024-11-21 15:44:05,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:44:05,193 INFO L85 PathProgramCache]: Analyzing trace with hash -714218933, now seen corresponding path program 1 times [2024-11-21 15:44:05,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:44:05,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62621559] [2024-11-21 15:44:05,193 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:44:05,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:44:05,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:44:06,526 INFO L134 CoverageAnalysis]: Checked inductivity of 1463 backedges. 1146 proven. 296 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-21 15:44:06,526 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:44:06,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62621559] [2024-11-21 15:44:06,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62621559] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:44:06,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1709241331] [2024-11-21 15:44:06,526 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:44:06,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:44:06,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:44:06,590 INFO L256 TraceCheckSpWp]: Trace formula consists of 1038 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-21 15:44:06,593 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:44:07,769 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 23 treesize of output 7 [2024-11-21 15:44:07,795 INFO L134 CoverageAnalysis]: Checked inductivity of 1463 backedges. 1306 proven. 136 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-21 15:44:07,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1709241331] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:44:07,796 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:44:07,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 37] total 72 [2024-11-21 15:44:07,796 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:44:07,796 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 310 [2024-11-21 15:44:07,796 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:44:07,796 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 378 [2024-11-21 15:44:07,796 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:44:07,796 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 446 [2024-11-21 15:44:07,796 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:44:07,796 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 514 [2024-11-21 15:44:07,796 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:44:07,796 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 533 [2024-11-21 15:44:07,796 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:44:07,796 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 534 [2024-11-21 15:44:07,796 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:44:07,796 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 538 [2024-11-21 15:44:07,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:44:07,821 INFO L85 PathProgramCache]: Analyzing trace with hash 1703332754, now seen corresponding path program 1 times [2024-11-21 15:44:07,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:44:07,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104020797] [2024-11-21 15:44:07,821 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:44:07,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:44:07,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:44:09,925 INFO L134 CoverageAnalysis]: Checked inductivity of 7254 backedges. 4516 proven. 296 refuted. 0 times theorem prover too weak. 2442 trivial. 0 not checked. [2024-11-21 15:44:09,925 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:44:09,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104020797] [2024-11-21 15:44:09,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104020797] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:44:09,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [282624083] [2024-11-21 15:44:09,925 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:44:09,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:44:10,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:44:10,150 INFO L256 TraceCheckSpWp]: Trace formula consists of 1963 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-21 15:44:10,155 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:44:11,353 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 23 treesize of output 7 [2024-11-21 15:44:11,411 INFO L134 CoverageAnalysis]: Checked inductivity of 7254 backedges. 4676 proven. 136 refuted. 0 times theorem prover too weak. 2442 trivial. 0 not checked. [2024-11-21 15:44:11,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [282624083] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:44:11,412 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:44:11,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 37] total 72 [2024-11-21 15:44:11,412 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:44:11,412 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 549 [2024-11-21 15:44:11,412 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:44:11,412 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 550 [2024-11-21 15:44:11,412 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:44:11,412 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 554 is hopeless, skipping. [2024-11-21 15:44:11,412 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 565 [2024-11-21 15:44:11,412 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:44:11,412 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 566 [2024-11-21 15:44:11,412 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:44:11,412 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 570 is hopeless, skipping. [2024-11-21 15:44:11,412 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 579 [2024-11-21 15:44:11,413 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:44:11,413 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 588 [2024-11-21 15:44:11,413 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:44:11,413 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 589 [2024-11-21 15:44:11,413 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:44:11,413 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 591 [2024-11-21 15:44:11,413 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:44:11,413 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:44:11,413 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:44:11,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:44:11,413 INFO L85 PathProgramCache]: Analyzing trace with hash 1984685674, now seen corresponding path program 16 times [2024-11-21 15:44:11,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:44:11,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739893929] [2024-11-21 15:44:11,414 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:44:11,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:44:11,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:44:13,898 INFO L134 CoverageAnalysis]: Checked inductivity of 7308 backedges. 3282 proven. 2496 refuted. 0 times theorem prover too weak. 1530 trivial. 0 not checked. [2024-11-21 15:44:13,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:44:13,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739893929] [2024-11-21 15:44:13,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739893929] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:44:13,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [735433965] [2024-11-21 15:44:13,898 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-21 15:44:13,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:44:13,898 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:44:13,900 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) [2024-11-21 15:44:13,901 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 [2024-11-21 15:44:14,236 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-21 15:44:14,236 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:44:14,240 INFO L256 TraceCheckSpWp]: Trace formula consists of 852 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-21 15:44:14,245 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:44:15,573 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 15 treesize of output 7 [2024-11-21 15:44:15,605 INFO L134 CoverageAnalysis]: Checked inductivity of 7308 backedges. 3789 proven. 644 refuted. 0 times theorem prover too weak. 2875 trivial. 0 not checked. [2024-11-21 15:44:15,605 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:44:15,966 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 15:44:15,966 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 25 treesize of output 17 [2024-11-21 15:44:16,229 INFO L134 CoverageAnalysis]: Checked inductivity of 7308 backedges. 3797 proven. 511 refuted. 0 times theorem prover too weak. 3000 trivial. 0 not checked. [2024-11-21 15:44:16,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [735433965] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:44:16,229 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:44:16,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 28, 19] total 69 [2024-11-21 15:44:16,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575869468] [2024-11-21 15:44:16,229 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:44:16,230 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 69 states [2024-11-21 15:44:16,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:44:16,231 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2024-11-21 15:44:16,232 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=681, Invalid=4011, Unknown=0, NotChecked=0, Total=4692 [2024-11-21 15:44:16,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:44:16,232 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:44:16,232 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 69 states, 69 states have (on average 6.811594202898551) internal successors, (470), 69 states have internal predecessors, (470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:44:16,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:44:16,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:44:16,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:44:16,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:44:16,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:44:16,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:44:16,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:44:16,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:44:16,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 15:44:16,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:44:16,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:44:16,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:44:16,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-21 15:44:16,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-21 15:44:16,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-11-21 15:44:16,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-21 15:44:16,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-11-21 15:44:16,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-11-21 15:44:16,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-21 15:44:16,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-11-21 15:44:16,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:44:18,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:44:18,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:44:18,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:44:18,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:44:18,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:44:18,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:44:18,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:44:18,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:44:18,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 15:44:18,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:44:18,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:44:18,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:44:18,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-21 15:44:18,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-21 15:44:18,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-11-21 15:44:18,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-21 15:44:18,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-21 15:44:18,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-21 15:44:18,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-21 15:44:18,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-21 15:44:18,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-11-21 15:44:18,789 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-21 15:44:18,976 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,SelfDestructingSolverStorable43,SelfDestructingSolverStorable44,SelfDestructingSolverStorable45,SelfDestructingSolverStorable46,SelfDestructingSolverStorable47 [2024-11-21 15:44:18,976 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-21 15:44:18,976 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:44:18,977 INFO L139 ounterexampleChecker]: Examining path program with hash 1236938995, occurence #7 [2024-11-21 15:44:18,977 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:44:18,977 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:44:18,977 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:44:18,977 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-11-21 15:44:18,977 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:44:18,977 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2024-11-21 15:44:18,977 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:44:18,977 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2024-11-21 15:44:18,977 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:44:18,977 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2024-11-21 15:44:18,977 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:44:18,977 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 123 [2024-11-21 15:44:18,977 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:44:18,977 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 231 [2024-11-21 15:44:18,977 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:44:18,977 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 257 [2024-11-21 15:44:18,977 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:44:18,977 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 261 [2024-11-21 15:44:19,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:44:19,002 INFO L85 PathProgramCache]: Analyzing trace with hash 631316738, now seen corresponding path program 1 times [2024-11-21 15:44:19,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:44:19,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136703638] [2024-11-21 15:44:19,002 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:44:19,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:44:19,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:44:20,313 INFO L134 CoverageAnalysis]: Checked inductivity of 1663 backedges. 1317 proven. 325 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-21 15:44:20,313 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:44:20,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136703638] [2024-11-21 15:44:20,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136703638] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:44:20,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1895557099] [2024-11-21 15:44:20,313 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:44:20,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:44:20,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:44:20,385 INFO L256 TraceCheckSpWp]: Trace formula consists of 1086 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-21 15:44:20,387 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:44:21,731 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 23 treesize of output 7 [2024-11-21 15:44:21,759 INFO L134 CoverageAnalysis]: Checked inductivity of 1663 backedges. 1489 proven. 153 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-21 15:44:21,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1895557099] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:44:21,759 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:44:21,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 39] total 76 [2024-11-21 15:44:21,760 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:44:21,760 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 323 [2024-11-21 15:44:21,760 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:44:21,760 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 391 [2024-11-21 15:44:21,760 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:44:21,760 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 459 [2024-11-21 15:44:21,760 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:44:21,760 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 527 [2024-11-21 15:44:21,760 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:44:21,760 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 546 [2024-11-21 15:44:21,760 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:44:21,760 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 547 [2024-11-21 15:44:21,760 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:44:21,760 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 551 [2024-11-21 15:44:21,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:44:21,792 INFO L85 PathProgramCache]: Analyzing trace with hash 1956052489, now seen corresponding path program 1 times [2024-11-21 15:44:21,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:44:21,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390934345] [2024-11-21 15:44:21,792 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:44:21,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:44:21,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:44:24,064 INFO L134 CoverageAnalysis]: Checked inductivity of 7686 backedges. 4919 proven. 325 refuted. 0 times theorem prover too weak. 2442 trivial. 0 not checked. [2024-11-21 15:44:24,064 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:44:24,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390934345] [2024-11-21 15:44:24,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390934345] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:44:24,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1083871253] [2024-11-21 15:44:24,064 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:44:24,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:44:24,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:44:24,223 INFO L256 TraceCheckSpWp]: Trace formula consists of 2011 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-21 15:44:24,227 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:44:25,485 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 23 treesize of output 7 [2024-11-21 15:44:25,515 INFO L134 CoverageAnalysis]: Checked inductivity of 7686 backedges. 5091 proven. 153 refuted. 0 times theorem prover too weak. 2442 trivial. 0 not checked. [2024-11-21 15:44:25,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1083871253] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:44:25,515 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:44:25,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 39] total 76 [2024-11-21 15:44:25,515 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:44:25,515 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 562 [2024-11-21 15:44:25,515 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:44:25,515 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 563 [2024-11-21 15:44:25,515 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:44:25,515 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 567 is hopeless, skipping. [2024-11-21 15:44:25,515 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 578 [2024-11-21 15:44:25,515 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:44:25,515 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 579 [2024-11-21 15:44:25,515 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:44:25,515 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 583 is hopeless, skipping. [2024-11-21 15:44:25,516 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 592 [2024-11-21 15:44:25,516 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:44:25,516 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 601 [2024-11-21 15:44:25,516 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:44:25,516 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 602 [2024-11-21 15:44:25,516 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:44:25,516 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 604 [2024-11-21 15:44:25,516 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:44:25,516 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:44:25,516 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:44:25,516 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:44:25,516 INFO L85 PathProgramCache]: Analyzing trace with hash -630847271, now seen corresponding path program 17 times [2024-11-21 15:44:25,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:44:25,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74857889] [2024-11-21 15:44:25,517 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:44:25,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:44:25,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:44:28,093 INFO L134 CoverageAnalysis]: Checked inductivity of 7740 backedges. 3254 proven. 2862 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2024-11-21 15:44:28,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:44:28,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74857889] [2024-11-21 15:44:28,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74857889] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:44:28,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [789821830] [2024-11-21 15:44:28,094 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-21 15:44:28,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:44:28,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:44:28,096 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) [2024-11-21 15:44:28,096 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 [2024-11-21 15:46:28,478 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 37 check-sat command(s) [2024-11-21 15:46:28,478 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:46:28,510 INFO L256 TraceCheckSpWp]: Trace formula consists of 2184 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-21 15:46:28,514 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:46:29,925 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 23 treesize of output 7 [2024-11-21 15:46:29,955 INFO L134 CoverageAnalysis]: Checked inductivity of 7740 backedges. 3394 proven. 2722 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2024-11-21 15:46:29,955 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:46:30,448 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 25 treesize of output 9 [2024-11-21 15:46:31,242 INFO L134 CoverageAnalysis]: Checked inductivity of 7740 backedges. 3394 proven. 2722 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2024-11-21 15:46:31,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [789821830] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:46:31,242 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:46:31,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 39, 39] total 95 [2024-11-21 15:46:31,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162486002] [2024-11-21 15:46:31,242 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:46:31,243 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 95 states [2024-11-21 15:46:31,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:46:31,244 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2024-11-21 15:46:31,246 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1625, Invalid=7305, Unknown=0, NotChecked=0, Total=8930 [2024-11-21 15:46:31,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:46:31,246 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:46:31,246 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 95 states, 95 states have (on average 5.4) internal successors, (513), 95 states have internal predecessors, (513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:46:31,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:46:31,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:46:31,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:46:31,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:46:31,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:46:31,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:46:31,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:46:31,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:46:31,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 15:46:31,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:46:31,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:46:31,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:46:31,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-21 15:46:31,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-21 15:46:31,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-11-21 15:46:31,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-21 15:46:31,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-11-21 15:46:31,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-11-21 15:46:31,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-21 15:46:31,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-11-21 15:46:31,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-11-21 15:46:31,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:46:31,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:46:31,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:46:31,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:46:31,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:46:31,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:46:31,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:46:31,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:46:31,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:46:31,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 15:46:31,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:46:31,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:46:31,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:46:31,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-21 15:46:31,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-21 15:46:31,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-11-21 15:46:31,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-21 15:46:31,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-21 15:46:31,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-21 15:46:31,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-21 15:46:31,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-21 15:46:31,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-11-21 15:46:31,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 15:46:31,561 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-21 15:46:31,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,SelfDestructingSolverStorable51,SelfDestructingSolverStorable52,SelfDestructingSolverStorable48,SelfDestructingSolverStorable49,21 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:46:31,717 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-21 15:46:31,717 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:46:31,718 INFO L139 ounterexampleChecker]: Examining path program with hash 1236938995, occurence #8 [2024-11-21 15:46:31,718 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:46:31,718 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:46:31,718 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:46:31,718 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-11-21 15:46:31,718 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:46:31,718 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2024-11-21 15:46:31,718 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:46:31,718 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2024-11-21 15:46:31,718 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:46:31,718 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-21 15:46:31,718 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:46:31,718 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 124 [2024-11-21 15:46:31,719 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:46:31,719 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 232 [2024-11-21 15:46:31,719 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:46:31,719 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 258 [2024-11-21 15:46:31,719 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:46:31,719 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 262 [2024-11-21 15:46:31,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:46:31,739 INFO L85 PathProgramCache]: Analyzing trace with hash 712359072, now seen corresponding path program 1 times [2024-11-21 15:46:31,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:46:31,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887935169] [2024-11-21 15:46:31,739 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:46:31,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:46:31,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:46:33,052 INFO L134 CoverageAnalysis]: Checked inductivity of 1681 backedges. 1301 proven. 359 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-21 15:46:33,053 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:46:33,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887935169] [2024-11-21 15:46:33,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887935169] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:46:33,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [217293120] [2024-11-21 15:46:33,053 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:46:33,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:46:33,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:46:33,118 INFO L256 TraceCheckSpWp]: Trace formula consists of 1095 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-21 15:46:33,120 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:46:34,478 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 23 treesize of output 7 [2024-11-21 15:46:34,505 INFO L134 CoverageAnalysis]: Checked inductivity of 1681 backedges. 1474 proven. 186 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-21 15:46:34,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [217293120] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:46:34,505 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:46:34,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 41] total 80 [2024-11-21 15:46:34,505 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:46:34,505 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 324 [2024-11-21 15:46:34,505 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:46:34,505 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 392 [2024-11-21 15:46:34,505 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:46:34,505 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 460 [2024-11-21 15:46:34,505 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:46:34,505 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 528 [2024-11-21 15:46:34,505 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:46:34,506 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 547 [2024-11-21 15:46:34,506 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:46:34,506 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 548 [2024-11-21 15:46:34,506 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:46:34,506 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 552 [2024-11-21 15:46:34,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:46:34,531 INFO L85 PathProgramCache]: Analyzing trace with hash -1152142425, now seen corresponding path program 1 times [2024-11-21 15:46:34,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:46:34,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645586104] [2024-11-21 15:46:34,531 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:46:34,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:46:34,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:46:36,834 INFO L134 CoverageAnalysis]: Checked inductivity of 7704 backedges. 4943 proven. 359 refuted. 0 times theorem prover too weak. 2402 trivial. 0 not checked. [2024-11-21 15:46:36,834 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:46:36,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645586104] [2024-11-21 15:46:36,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645586104] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:46:36,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1478039605] [2024-11-21 15:46:36,834 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:46:36,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:46:36,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:46:36,993 INFO L256 TraceCheckSpWp]: Trace formula consists of 2020 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-21 15:46:36,998 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:46:38,408 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 23 treesize of output 7 [2024-11-21 15:46:38,438 INFO L134 CoverageAnalysis]: Checked inductivity of 7704 backedges. 5116 proven. 186 refuted. 0 times theorem prover too weak. 2402 trivial. 0 not checked. [2024-11-21 15:46:38,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1478039605] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:46:38,438 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:46:38,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 41] total 80 [2024-11-21 15:46:38,438 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:46:38,439 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 563 [2024-11-21 15:46:38,439 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:46:38,439 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 564 [2024-11-21 15:46:38,439 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:46:38,439 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 568 is hopeless, skipping. [2024-11-21 15:46:38,439 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 579 [2024-11-21 15:46:38,439 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:46:38,439 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 580 [2024-11-21 15:46:38,439 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:46:38,439 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 584 is hopeless, skipping. [2024-11-21 15:46:38,439 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 593 [2024-11-21 15:46:38,439 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:46:38,439 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 602 [2024-11-21 15:46:38,439 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:46:38,439 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 603 [2024-11-21 15:46:38,439 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:46:38,439 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 605 [2024-11-21 15:46:38,439 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:46:38,439 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:46:38,439 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:46:38,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:46:38,440 INFO L85 PathProgramCache]: Analyzing trace with hash -788338623, now seen corresponding path program 18 times [2024-11-21 15:46:38,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:46:38,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629781112] [2024-11-21 15:46:38,440 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:46:38,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:46:38,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:46:41,163 INFO L134 CoverageAnalysis]: Checked inductivity of 7758 backedges. 3124 proven. 3076 refuted. 0 times theorem prover too weak. 1558 trivial. 0 not checked. [2024-11-21 15:46:41,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:46:41,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629781112] [2024-11-21 15:46:41,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629781112] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:46:41,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1591847284] [2024-11-21 15:46:41,164 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-21 15:46:41,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:46:41,164 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:46:41,166 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) [2024-11-21 15:46:41,167 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 [2024-11-21 15:46:47,293 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 26 check-sat command(s) [2024-11-21 15:46:47,293 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:46:47,314 INFO L256 TraceCheckSpWp]: Trace formula consists of 1672 conjuncts, 64 conjuncts are in the unsatisfiable core [2024-11-21 15:46:47,319 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:46:49,762 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 15:46:49,762 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 19 treesize of output 15 [2024-11-21 15:46:50,503 INFO L134 CoverageAnalysis]: Checked inductivity of 7758 backedges. 1847 proven. 4920 refuted. 0 times theorem prover too weak. 991 trivial. 0 not checked. [2024-11-21 15:46:50,503 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:46:52,095 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 27 treesize of output 9 [2024-11-21 15:46:52,837 INFO L134 CoverageAnalysis]: Checked inductivity of 7758 backedges. 1201 proven. 5527 refuted. 0 times theorem prover too weak. 1030 trivial. 0 not checked. [2024-11-21 15:46:52,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1591847284] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:46:52,837 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:46:52,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 42, 34] total 115 [2024-11-21 15:46:52,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477861559] [2024-11-21 15:46:52,837 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:46:52,838 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 115 states [2024-11-21 15:46:52,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:46:52,839 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 115 interpolants. [2024-11-21 15:46:52,841 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1188, Invalid=11922, Unknown=0, NotChecked=0, Total=13110 [2024-11-21 15:46:52,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:46:52,841 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:46:52,842 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 115 states, 115 states have (on average 8.469565217391304) internal successors, (974), 115 states have internal predecessors, (974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:46:52,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:46:52,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:46:52,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:46:52,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:46:52,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:46:52,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:46:52,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:46:52,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:46:52,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 15:46:52,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:46:52,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:46:52,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:46:52,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-21 15:46:52,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-21 15:46:52,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-11-21 15:46:52,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-21 15:46:52,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-11-21 15:46:52,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-11-21 15:46:52,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-21 15:46:52,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-11-21 15:46:52,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-11-21 15:46:52,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-21 15:46:52,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:46:56,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:46:56,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:46:56,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:46:56,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:46:56,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:46:56,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:46:56,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:46:56,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:46:56,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 15:46:56,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:46:56,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:46:56,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:46:56,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-21 15:46:56,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-21 15:46:56,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-11-21 15:46:56,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-21 15:46:56,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-21 15:46:56,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-21 15:46:56,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-21 15:46:56,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-21 15:46:56,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-11-21 15:46:56,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 15:46:56,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-11-21 15:46:56,212 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-11-21 15:46:56,390 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable53,SelfDestructingSolverStorable54,SelfDestructingSolverStorable55,SelfDestructingSolverStorable56,SelfDestructingSolverStorable57 [2024-11-21 15:46:56,391 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 1 more)] === [2024-11-21 15:46:56,391 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:46:56,391 INFO L139 ounterexampleChecker]: Examining path program with hash 832247541, occurence #1 [2024-11-21 15:46:56,391 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 15:46:56,391 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:46:56,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:46:56,392 INFO L85 PathProgramCache]: Analyzing trace with hash -1271558449, now seen corresponding path program 19 times [2024-11-21 15:46:56,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:46:56,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548225675] [2024-11-21 15:46:56,392 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:46:56,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:46:56,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:46:59,428 INFO L134 CoverageAnalysis]: Checked inductivity of 9667 backedges. 4474 proven. 3291 refuted. 0 times theorem prover too weak. 1902 trivial. 0 not checked. [2024-11-21 15:46:59,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:46:59,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548225675] [2024-11-21 15:46:59,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548225675] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:46:59,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [629985597] [2024-11-21 15:46:59,429 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-21 15:46:59,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:46:59,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:46:59,431 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) [2024-11-21 15:46:59,431 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 [2024-11-21 15:46:59,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:46:59,963 INFO L256 TraceCheckSpWp]: Trace formula consists of 2423 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-21 15:46:59,968 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:47:01,412 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 23 treesize of output 7 [2024-11-21 15:47:01,444 INFO L134 CoverageAnalysis]: Checked inductivity of 9667 backedges. 6083 proven. 190 refuted. 0 times theorem prover too weak. 3394 trivial. 0 not checked. [2024-11-21 15:47:01,444 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:47:02,362 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 25 treesize of output 9 [2024-11-21 15:47:03,294 INFO L134 CoverageAnalysis]: Checked inductivity of 9667 backedges. 6083 proven. 190 refuted. 0 times theorem prover too weak. 3394 trivial. 0 not checked. [2024-11-21 15:47:03,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [629985597] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:47:03,294 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:47:03,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 43, 43] total 124 [2024-11-21 15:47:03,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287894067] [2024-11-21 15:47:03,295 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:47:03,296 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 124 states [2024-11-21 15:47:03,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:47:03,297 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 124 interpolants. [2024-11-21 15:47:03,299 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2171, Invalid=13081, Unknown=0, NotChecked=0, Total=15252 [2024-11-21 15:47:03,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:47:03,299 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:47:03,299 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 124 states, 124 states have (on average 6.217741935483871) internal successors, (771), 124 states have internal predecessors, (771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:47:03,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:47:03,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:47:03,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:47:03,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:47:03,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:47:03,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:47:03,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:47:03,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:47:03,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 15:47:03,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:47:03,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:47:03,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:47:03,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-21 15:47:03,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-21 15:47:03,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-11-21 15:47:03,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-21 15:47:03,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-11-21 15:47:03,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-11-21 15:47:03,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-21 15:47:03,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-11-21 15:47:03,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-11-21 15:47:03,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-21 15:47:03,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-11-21 15:47:03,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:47:03,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:47:03,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:47:03,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:47:03,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:47:03,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:47:03,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:47:03,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:47:03,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:47:03,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 15:47:03,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:47:03,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:47:03,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:47:03,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-21 15:47:03,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-21 15:47:03,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-11-21 15:47:03,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-21 15:47:03,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-21 15:47:03,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-21 15:47:03,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-21 15:47:03,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-21 15:47:03,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-11-21 15:47:03,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 15:47:03,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-11-21 15:47:03,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-21 15:47:03,673 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-11-21 15:47:03,852 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable58 [2024-11-21 15:47:03,852 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 1 more)] === [2024-11-21 15:47:03,852 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:47:03,853 INFO L139 ounterexampleChecker]: Examining path program with hash 832247541, occurence #2 [2024-11-21 15:47:03,853 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:47:03,853 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:47:03,853 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:47:03,853 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-11-21 15:47:03,853 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:47:03,853 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2024-11-21 15:47:03,853 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:47:03,853 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-21 15:47:03,853 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:47:03,853 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2024-11-21 15:47:03,853 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:47:03,853 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 127 [2024-11-21 15:47:03,853 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:47:03,853 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 235 [2024-11-21 15:47:03,853 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:47:03,853 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 261 [2024-11-21 15:47:03,853 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:47:03,853 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 265 [2024-11-21 15:47:03,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:47:03,875 INFO L85 PathProgramCache]: Analyzing trace with hash -1254422824, now seen corresponding path program 1 times [2024-11-21 15:47:03,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:47:03,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731007688] [2024-11-21 15:47:03,875 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:47:03,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:47:03,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:47:05,449 INFO L134 CoverageAnalysis]: Checked inductivity of 1727 backedges. 1306 proven. 393 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-21 15:47:05,449 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:47:05,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731007688] [2024-11-21 15:47:05,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731007688] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:47:05,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [854070534] [2024-11-21 15:47:05,450 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:47:05,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:47:05,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:47:05,517 INFO L256 TraceCheckSpWp]: Trace formula consists of 1122 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-21 15:47:05,520 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:47:07,128 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 23 treesize of output 7 [2024-11-21 15:47:07,159 INFO L134 CoverageAnalysis]: Checked inductivity of 1727 backedges. 1489 proven. 210 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-21 15:47:07,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [854070534] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:47:07,159 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:47:07,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 45] total 88 [2024-11-21 15:47:07,160 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:47:07,160 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 339 [2024-11-21 15:47:07,160 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:47:07,160 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 419 [2024-11-21 15:47:07,160 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:47:07,160 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 499 [2024-11-21 15:47:07,160 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:47:07,160 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 579 [2024-11-21 15:47:07,160 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:47:07,160 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 598 [2024-11-21 15:47:07,160 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:47:07,160 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 599 [2024-11-21 15:47:07,160 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:47:07,160 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 603 [2024-11-21 15:47:07,190 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:47:07,190 INFO L85 PathProgramCache]: Analyzing trace with hash -1350567805, now seen corresponding path program 1 times [2024-11-21 15:47:07,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:47:07,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565316654] [2024-11-21 15:47:07,190 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:47:07,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:47:07,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:47:08,236 INFO L134 CoverageAnalysis]: Checked inductivity of 9530 backedges. 15 proven. 7916 refuted. 0 times theorem prover too weak. 1599 trivial. 0 not checked. [2024-11-21 15:47:08,236 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:47:08,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565316654] [2024-11-21 15:47:08,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565316654] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:47:08,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1903004196] [2024-11-21 15:47:08,237 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:47:08,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:47:08,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:47:08,371 INFO L256 TraceCheckSpWp]: Trace formula consists of 2203 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-21 15:47:08,375 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:47:09,523 INFO L134 CoverageAnalysis]: Checked inductivity of 9530 backedges. 21 proven. 7910 refuted. 0 times theorem prover too weak. 1599 trivial. 0 not checked. [2024-11-21 15:47:09,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1903004196] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:47:09,523 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:47:09,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 30 [2024-11-21 15:47:09,523 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:47:09,523 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 614 [2024-11-21 15:47:09,523 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:47:09,523 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 615 [2024-11-21 15:47:09,523 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:47:09,523 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 619 is hopeless, skipping. [2024-11-21 15:47:09,523 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 660 [2024-11-21 15:47:09,523 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:47:09,523 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 668 [2024-11-21 15:47:09,523 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:47:09,523 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 669 [2024-11-21 15:47:09,524 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:47:09,524 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 671 [2024-11-21 15:47:09,524 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:47:09,524 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:47:09,524 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:47:09,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:47:09,524 INFO L85 PathProgramCache]: Analyzing trace with hash -1870095581, now seen corresponding path program 20 times [2024-11-21 15:47:09,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:47:09,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173151442] [2024-11-21 15:47:09,524 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:47:09,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:47:09,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:47:12,674 INFO L134 CoverageAnalysis]: Checked inductivity of 9687 backedges. 4368 proven. 3507 refuted. 0 times theorem prover too weak. 1812 trivial. 0 not checked. [2024-11-21 15:47:12,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:47:12,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173151442] [2024-11-21 15:47:12,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1173151442] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:47:12,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [737204673] [2024-11-21 15:47:12,674 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 15:47:12,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:47:12,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:47:12,676 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:47:12,677 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-21 15:47:13,234 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-21 15:47:13,235 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:47:13,245 INFO L256 TraceCheckSpWp]: Trace formula consists of 2432 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-21 15:47:13,250 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:47:14,870 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 23 treesize of output 7 [2024-11-21 15:47:14,911 INFO L134 CoverageAnalysis]: Checked inductivity of 9687 backedges. 6083 proven. 210 refuted. 0 times theorem prover too weak. 3394 trivial. 0 not checked. [2024-11-21 15:47:14,911 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:47:15,968 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 25 treesize of output 9 [2024-11-21 15:47:17,083 INFO L134 CoverageAnalysis]: Checked inductivity of 9687 backedges. 6083 proven. 210 refuted. 0 times theorem prover too weak. 3394 trivial. 0 not checked. [2024-11-21 15:47:17,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [737204673] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:47:17,084 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:47:17,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 45, 45] total 130 [2024-11-21 15:47:17,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9219412] [2024-11-21 15:47:17,084 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:47:17,085 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 130 states [2024-11-21 15:47:17,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:47:17,087 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 130 interpolants. [2024-11-21 15:47:17,089 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2384, Invalid=14386, Unknown=0, NotChecked=0, Total=16770 [2024-11-21 15:47:17,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:47:17,090 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:47:17,090 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 130 states, 130 states have (on average 6.153846153846154) internal successors, (800), 130 states have internal predecessors, (800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:47:17,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:47:17,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:47:17,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:47:17,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:47:17,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:47:17,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:47:17,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:47:17,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:47:17,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 15:47:17,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:47:17,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:47:17,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:47:17,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-21 15:47:17,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-21 15:47:17,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-11-21 15:47:17,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-21 15:47:17,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-11-21 15:47:17,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-11-21 15:47:17,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-21 15:47:17,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-11-21 15:47:17,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-11-21 15:47:17,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-21 15:47:17,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-11-21 15:47:17,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-11-21 15:47:17,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:47:17,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:47:17,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:47:17,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:47:17,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:47:17,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:47:17,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:47:17,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:47:17,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:47:17,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 15:47:17,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:47:17,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:47:17,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:47:17,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-21 15:47:17,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-21 15:47:17,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-11-21 15:47:17,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-21 15:47:17,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-21 15:47:17,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-21 15:47:17,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-21 15:47:17,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-21 15:47:17,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-11-21 15:47:17,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 15:47:17,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-11-21 15:47:17,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-21 15:47:17,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-21 15:47:17,538 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-11-21 15:47:17,723 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,SelfDestructingSolverStorable61,SelfDestructingSolverStorable62,SelfDestructingSolverStorable63,24 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable59 [2024-11-21 15:47:17,723 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 1 more)] === [2024-11-21 15:47:17,723 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:47:17,723 INFO L139 ounterexampleChecker]: Examining path program with hash 832247541, occurence #3 [2024-11-21 15:47:17,724 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:47:17,724 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:47:17,724 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:47:17,724 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-11-21 15:47:17,724 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:47:17,724 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2024-11-21 15:47:17,724 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:47:17,724 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-21 15:47:17,724 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:47:17,724 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-21 15:47:17,724 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:47:17,724 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 128 [2024-11-21 15:47:17,724 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:47:17,724 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 236 [2024-11-21 15:47:17,724 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:47:17,724 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 262 [2024-11-21 15:47:17,724 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:47:17,724 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 266 [2024-11-21 15:47:17,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:47:17,752 INFO L85 PathProgramCache]: Analyzing trace with hash -1910993102, now seen corresponding path program 1 times [2024-11-21 15:47:17,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:47:17,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200901655] [2024-11-21 15:47:17,752 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:47:17,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:47:17,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:47:19,422 INFO L134 CoverageAnalysis]: Checked inductivity of 1748 backedges. 595 proven. 673 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-21 15:47:19,422 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:47:19,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200901655] [2024-11-21 15:47:19,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200901655] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:47:19,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1746300788] [2024-11-21 15:47:19,422 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:47:19,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:47:19,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:47:19,679 INFO L256 TraceCheckSpWp]: Trace formula consists of 1131 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-21 15:47:19,683 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:47:21,269 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 15 treesize of output 7 [2024-11-21 15:47:21,288 INFO L134 CoverageAnalysis]: Checked inductivity of 1748 backedges. 589 proven. 889 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2024-11-21 15:47:21,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1746300788] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:47:21,288 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:47:21,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 32] total 50 [2024-11-21 15:47:21,288 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:47:21,289 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 340 [2024-11-21 15:47:21,289 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:47:21,289 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 420 [2024-11-21 15:47:21,289 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:47:21,289 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 500 [2024-11-21 15:47:21,289 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:47:21,289 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 580 [2024-11-21 15:47:21,289 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:47:21,289 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 599 [2024-11-21 15:47:21,289 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:47:21,289 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 600 [2024-11-21 15:47:21,289 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:47:21,289 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 604 [2024-11-21 15:47:21,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:47:21,318 INFO L85 PathProgramCache]: Analyzing trace with hash 928805853, now seen corresponding path program 1 times [2024-11-21 15:47:21,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:47:21,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306193621] [2024-11-21 15:47:21,318 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:47:21,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:47:21,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:47:22,491 INFO L134 CoverageAnalysis]: Checked inductivity of 9551 backedges. 15 proven. 7916 refuted. 0 times theorem prover too weak. 1620 trivial. 0 not checked. [2024-11-21 15:47:22,492 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:47:22,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306193621] [2024-11-21 15:47:22,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306193621] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:47:22,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [32270636] [2024-11-21 15:47:22,492 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:47:22,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:47:22,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:47:22,674 INFO L256 TraceCheckSpWp]: Trace formula consists of 2212 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-21 15:47:22,679 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:47:23,817 INFO L134 CoverageAnalysis]: Checked inductivity of 9551 backedges. 21 proven. 7910 refuted. 0 times theorem prover too weak. 1620 trivial. 0 not checked. [2024-11-21 15:47:23,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [32270636] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:47:23,817 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:47:23,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 30 [2024-11-21 15:47:23,817 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:47:23,817 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 615 [2024-11-21 15:47:23,817 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:47:23,817 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 616 [2024-11-21 15:47:23,817 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:47:23,817 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 620 is hopeless, skipping. [2024-11-21 15:47:23,817 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 661 [2024-11-21 15:47:23,817 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:47:23,817 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 669 [2024-11-21 15:47:23,817 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:47:23,818 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 670 [2024-11-21 15:47:23,818 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:47:23,818 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 672 [2024-11-21 15:47:23,818 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:47:23,818 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:47:23,818 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:47:23,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:47:23,818 INFO L85 PathProgramCache]: Analyzing trace with hash 1050089807, now seen corresponding path program 21 times [2024-11-21 15:47:23,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:47:23,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508416428] [2024-11-21 15:47:23,818 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:47:23,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:47:24,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:47:27,230 INFO L134 CoverageAnalysis]: Checked inductivity of 9708 backedges. 4250 proven. 3724 refuted. 0 times theorem prover too weak. 1734 trivial. 0 not checked. [2024-11-21 15:47:27,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:47:27,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508416428] [2024-11-21 15:47:27,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508416428] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:47:27,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1252047369] [2024-11-21 15:47:27,230 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-21 15:47:27,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:47:27,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:47:27,232 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:47:27,233 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-21 15:47:32,787 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 21 check-sat command(s) [2024-11-21 15:47:32,787 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:47:32,807 INFO L256 TraceCheckSpWp]: Trace formula consists of 1569 conjuncts, 66 conjuncts are in the unsatisfiable core [2024-11-21 15:47:32,812 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:47:37,193 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 15:47:37,194 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 17 treesize of output 15 [2024-11-21 15:47:37,407 INFO L134 CoverageAnalysis]: Checked inductivity of 9708 backedges. 4794 proven. 1553 refuted. 0 times theorem prover too weak. 3361 trivial. 0 not checked. [2024-11-21 15:47:37,407 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:47:39,537 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 15:47:39,537 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 25 treesize of output 17 [2024-11-21 15:47:40,905 INFO L134 CoverageAnalysis]: Checked inductivity of 9708 backedges. 1601 proven. 4697 refuted. 0 times theorem prover too weak. 3410 trivial. 0 not checked. [2024-11-21 15:47:40,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1252047369] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:47:40,905 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:47:40,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 40, 31] total 116 [2024-11-21 15:47:40,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881827966] [2024-11-21 15:47:40,906 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:47:40,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 116 states [2024-11-21 15:47:40,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:47:40,907 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 116 interpolants. [2024-11-21 15:47:40,909 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1056, Invalid=12284, Unknown=0, NotChecked=0, Total=13340 [2024-11-21 15:47:40,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:47:40,909 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:47:40,909 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 116 states, 116 states have (on average 6.793103448275862) internal successors, (788), 116 states have internal predecessors, (788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:47:40,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:47:40,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:47:40,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:47:40,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:47:40,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:47:40,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:47:40,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:47:40,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:47:40,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 15:47:40,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:47:40,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:47:40,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:47:40,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-21 15:47:40,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-21 15:47:40,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-11-21 15:47:40,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-21 15:47:40,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-11-21 15:47:40,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-11-21 15:47:40,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-21 15:47:40,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-11-21 15:47:40,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-11-21 15:47:40,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-21 15:47:40,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-11-21 15:47:40,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-11-21 15:47:40,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-21 15:47:40,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:47:44,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:47:44,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:47:44,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:47:44,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:47:44,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:47:44,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:47:44,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:47:44,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:47:44,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 15:47:44,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:47:44,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:47:44,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:47:44,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-21 15:47:44,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-21 15:47:44,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-11-21 15:47:44,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-21 15:47:44,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-21 15:47:44,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-21 15:47:44,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-21 15:47:44,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-21 15:47:44,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-11-21 15:47:44,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 15:47:44,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-11-21 15:47:44,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-21 15:47:44,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-21 15:47:44,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-11-21 15:47:44,799 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-11-21 15:47:44,976 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable64,SelfDestructingSolverStorable65,SelfDestructingSolverStorable66,SelfDestructingSolverStorable67,SelfDestructingSolverStorable68 [2024-11-21 15:47:44,976 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 1 more)] === [2024-11-21 15:47:44,976 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:47:44,977 INFO L139 ounterexampleChecker]: Examining path program with hash 832247541, occurence #4 [2024-11-21 15:47:44,977 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:47:44,977 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:47:44,977 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:47:44,977 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-11-21 15:47:44,977 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:47:44,977 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-21 15:47:44,977 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:47:44,977 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2024-11-21 15:47:44,977 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:47:44,977 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2024-11-21 15:47:44,977 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:47:44,977 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 130 [2024-11-21 15:47:44,977 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:47:44,977 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 238 [2024-11-21 15:47:44,977 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:47:44,977 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 264 [2024-11-21 15:47:44,977 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:47:44,977 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 268 [2024-11-21 15:47:45,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:47:45,000 INFO L85 PathProgramCache]: Analyzing trace with hash 1209773052, now seen corresponding path program 1 times [2024-11-21 15:47:45,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:47:45,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892252789] [2024-11-21 15:47:45,001 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:47:45,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:47:45,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:47:47,023 INFO L134 CoverageAnalysis]: Checked inductivity of 1778 backedges. 595 proven. 673 refuted. 0 times theorem prover too weak. 510 trivial. 0 not checked. [2024-11-21 15:47:47,023 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:47:47,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892252789] [2024-11-21 15:47:47,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1892252789] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:47:47,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [2117234668] [2024-11-21 15:47:47,023 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:47:47,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:47:47,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:47:47,296 INFO L256 TraceCheckSpWp]: Trace formula consists of 1149 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-21 15:47:47,299 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:47:48,771 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 15 treesize of output 7 [2024-11-21 15:47:48,789 INFO L134 CoverageAnalysis]: Checked inductivity of 1778 backedges. 589 proven. 889 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2024-11-21 15:47:48,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [2117234668] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:47:48,789 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:47:48,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 32] total 50 [2024-11-21 15:47:48,790 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:47:48,790 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 354 [2024-11-21 15:47:48,790 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:47:48,790 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 446 [2024-11-21 15:47:48,790 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:47:48,790 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 538 [2024-11-21 15:47:48,790 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:47:48,790 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 630 [2024-11-21 15:47:48,790 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:47:48,790 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 649 [2024-11-21 15:47:48,790 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:47:48,790 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 650 [2024-11-21 15:47:48,790 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:47:48,790 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 654 [2024-11-21 15:47:48,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:47:48,813 INFO L85 PathProgramCache]: Analyzing trace with hash -1547403957, now seen corresponding path program 1 times [2024-11-21 15:47:48,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:47:48,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121478558] [2024-11-21 15:47:48,813 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:47:48,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:47:49,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:47:52,615 INFO L134 CoverageAnalysis]: Checked inductivity of 11553 backedges. 7126 proven. 470 refuted. 0 times theorem prover too weak. 3957 trivial. 0 not checked. [2024-11-21 15:47:52,615 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:47:52,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121478558] [2024-11-21 15:47:52,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121478558] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:47:52,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [627671277] [2024-11-21 15:47:52,616 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:47:52,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:47:52,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:47:52,831 INFO L256 TraceCheckSpWp]: Trace formula consists of 2386 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-11-21 15:47:52,836 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:47:54,702 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 23 treesize of output 7 [2024-11-21 15:47:54,738 INFO L134 CoverageAnalysis]: Checked inductivity of 11553 backedges. 7326 proven. 270 refuted. 0 times theorem prover too weak. 3957 trivial. 0 not checked. [2024-11-21 15:47:54,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [627671277] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:47:54,738 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:47:54,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 49] total 96 [2024-11-21 15:47:54,738 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:47:54,738 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 665 [2024-11-21 15:47:54,738 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:47:54,738 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 666 [2024-11-21 15:47:54,738 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:47:54,739 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 670 is hopeless, skipping. [2024-11-21 15:47:54,739 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 711 [2024-11-21 15:47:54,739 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:47:54,739 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 719 [2024-11-21 15:47:54,739 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:47:54,739 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 720 [2024-11-21 15:47:54,739 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:47:54,739 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 722 [2024-11-21 15:47:54,739 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:47:54,739 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:47:54,739 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:47:54,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:47:54,739 INFO L85 PathProgramCache]: Analyzing trace with hash 1464795433, now seen corresponding path program 22 times [2024-11-21 15:47:54,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:47:54,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226669853] [2024-11-21 15:47:54,740 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:47:54,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:47:54,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:47:58,399 INFO L134 CoverageAnalysis]: Checked inductivity of 11710 backedges. 5756 proven. 3942 refuted. 0 times theorem prover too weak. 2012 trivial. 0 not checked. [2024-11-21 15:47:58,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:47:58,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226669853] [2024-11-21 15:47:58,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1226669853] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:47:58,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1549580851] [2024-11-21 15:47:58,400 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-21 15:47:58,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:47:58,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:47:58,402 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:47:58,402 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-21 15:47:58,916 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-21 15:47:58,916 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:47:58,921 INFO L256 TraceCheckSpWp]: Trace formula consists of 1003 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-21 15:47:58,926 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:48:01,324 INFO L134 CoverageAnalysis]: Checked inductivity of 11710 backedges. 2649 proven. 7118 refuted. 0 times theorem prover too weak. 1943 trivial. 0 not checked. [2024-11-21 15:48:01,325 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:48:03,285 INFO L134 CoverageAnalysis]: Checked inductivity of 11710 backedges. 2649 proven. 7118 refuted. 0 times theorem prover too weak. 1943 trivial. 0 not checked. [2024-11-21 15:48:03,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1549580851] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:48:03,285 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:48:03,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 17, 17] total 79 [2024-11-21 15:48:03,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072618588] [2024-11-21 15:48:03,286 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:48:03,286 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 79 states [2024-11-21 15:48:03,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:48:03,287 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2024-11-21 15:48:03,288 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=724, Invalid=5438, Unknown=0, NotChecked=0, Total=6162 [2024-11-21 15:48:03,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:48:03,288 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:48:03,289 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 79 states, 79 states have (on average 8.189873417721518) internal successors, (647), 79 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:48:03,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:48:03,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:48:03,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:48:03,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:48:03,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:48:03,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:48:03,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:48:03,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:48:03,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 15:48:03,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:48:03,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:48:03,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:48:03,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-21 15:48:03,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-21 15:48:03,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-11-21 15:48:03,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-21 15:48:03,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-11-21 15:48:03,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-11-21 15:48:03,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-21 15:48:03,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-11-21 15:48:03,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-11-21 15:48:03,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-21 15:48:03,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-11-21 15:48:03,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-11-21 15:48:03,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-21 15:48:03,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-11-21 15:48:03,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:48:05,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:48:05,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:48:05,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:48:05,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:48:05,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:48:05,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:48:05,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:48:05,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:48:05,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 15:48:05,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:48:05,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:48:05,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:48:05,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-21 15:48:05,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-21 15:48:05,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-11-21 15:48:05,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-21 15:48:05,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-21 15:48:05,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-21 15:48:05,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-21 15:48:05,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-21 15:48:05,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-11-21 15:48:05,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 15:48:05,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-11-21 15:48:05,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-21 15:48:05,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-21 15:48:05,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-11-21 15:48:05,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-11-21 15:48:05,405 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2024-11-21 15:48:05,591 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70,SelfDestructingSolverStorable71,SelfDestructingSolverStorable72,SelfDestructingSolverStorable73,26 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable69 [2024-11-21 15:48:05,591 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 1 more)] === [2024-11-21 15:48:05,591 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:48:05,592 INFO L139 ounterexampleChecker]: Examining path program with hash 832247541, occurence #5 [2024-11-21 15:48:05,592 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:48:05,592 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:48:05,592 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:48:05,592 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-11-21 15:48:05,592 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:48:05,592 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-21 15:48:05,592 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:48:05,592 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-21 15:48:05,592 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:48:05,592 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2024-11-21 15:48:05,592 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:48:05,593 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 131 [2024-11-21 15:48:05,593 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:48:05,593 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 239 [2024-11-21 15:48:05,593 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:48:05,593 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 265 [2024-11-21 15:48:05,593 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:48:05,593 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 269 [2024-11-21 15:48:05,611 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:48:05,611 INFO L85 PathProgramCache]: Analyzing trace with hash 1464634602, now seen corresponding path program 1 times [2024-11-21 15:48:05,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:48:05,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974070946] [2024-11-21 15:48:05,612 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:48:05,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:48:05,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:48:07,101 INFO L134 CoverageAnalysis]: Checked inductivity of 1801 backedges. 595 proven. 673 refuted. 0 times theorem prover too weak. 533 trivial. 0 not checked. [2024-11-21 15:48:07,101 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:48:07,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974070946] [2024-11-21 15:48:07,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974070946] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:48:07,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1048379888] [2024-11-21 15:48:07,101 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:48:07,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:48:07,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:48:07,306 INFO L256 TraceCheckSpWp]: Trace formula consists of 1158 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-21 15:48:07,310 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:48:08,793 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 15 treesize of output 7 [2024-11-21 15:48:08,811 INFO L134 CoverageAnalysis]: Checked inductivity of 1801 backedges. 589 proven. 889 refuted. 0 times theorem prover too weak. 323 trivial. 0 not checked. [2024-11-21 15:48:08,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1048379888] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:48:08,811 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:48:08,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 32] total 50 [2024-11-21 15:48:08,812 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:48:08,812 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 355 [2024-11-21 15:48:08,812 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:48:08,812 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 447 [2024-11-21 15:48:08,812 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:48:08,812 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 539 [2024-11-21 15:48:08,812 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:48:08,812 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 631 [2024-11-21 15:48:08,812 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:48:08,812 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 650 [2024-11-21 15:48:08,812 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:48:08,812 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 651 [2024-11-21 15:48:08,812 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:48:08,812 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 655 [2024-11-21 15:48:08,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:48:08,836 INFO L85 PathProgramCache]: Analyzing trace with hash -230865863, now seen corresponding path program 1 times [2024-11-21 15:48:08,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:48:08,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832094035] [2024-11-21 15:48:08,836 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:48:08,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:48:09,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:48:12,334 INFO L134 CoverageAnalysis]: Checked inductivity of 11576 backedges. 7411 proven. 506 refuted. 0 times theorem prover too weak. 3659 trivial. 0 not checked. [2024-11-21 15:48:12,334 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:48:12,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832094035] [2024-11-21 15:48:12,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832094035] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:48:12,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1306392976] [2024-11-21 15:48:12,334 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:48:12,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:48:12,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:48:12,551 INFO L256 TraceCheckSpWp]: Trace formula consists of 2395 conjuncts, 53 conjuncts are in the unsatisfiable core [2024-11-21 15:48:12,556 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:48:14,546 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 23 treesize of output 7 [2024-11-21 15:48:14,583 INFO L134 CoverageAnalysis]: Checked inductivity of 11576 backedges. 7623 proven. 294 refuted. 0 times theorem prover too weak. 3659 trivial. 0 not checked. [2024-11-21 15:48:14,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1306392976] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:48:14,584 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:48:14,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [52, 51] total 100 [2024-11-21 15:48:14,584 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:48:14,584 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 666 [2024-11-21 15:48:14,584 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:48:14,584 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 667 [2024-11-21 15:48:14,584 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:48:14,584 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 671 is hopeless, skipping. [2024-11-21 15:48:14,584 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 712 [2024-11-21 15:48:14,584 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:48:14,584 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 720 [2024-11-21 15:48:14,584 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:48:14,584 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 721 [2024-11-21 15:48:14,584 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:48:14,584 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 724 [2024-11-21 15:48:14,584 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:48:14,584 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 725 [2024-11-21 15:48:14,584 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:48:14,584 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 727 [2024-11-21 15:48:14,585 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:48:14,585 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:48:14,585 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:48:14,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:48:14,585 INFO L85 PathProgramCache]: Analyzing trace with hash 994087136, now seen corresponding path program 23 times [2024-11-21 15:48:14,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:48:14,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560852428] [2024-11-21 15:48:14,585 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:48:14,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:48:14,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:48:18,401 INFO L134 CoverageAnalysis]: Checked inductivity of 11737 backedges. 5662 proven. 4161 refuted. 0 times theorem prover too weak. 1914 trivial. 0 not checked. [2024-11-21 15:48:18,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:48:18,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560852428] [2024-11-21 15:48:18,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560852428] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:48:18,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1613660133] [2024-11-21 15:48:18,402 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-21 15:48:18,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:48:18,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:48:18,404 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:48:18,404 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process