./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/parallel-parallel-sum-equiv.wvr.c --traceabstraction.use.conditional.por.in.concurrent.analysis true --traceabstraction.commutativity.condition.synthesis SUFFICIENT --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ebd41074 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/weaver/parallel-parallel-sum-equiv.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 2d41b1dc1d5d7eec1f1fd4e3cbbef0194aa2dded6486a15b383e9bb8fe1468a3 --traceabstraction.use.conditional.por.in.concurrent.analysis true --traceabstraction.commutativity.condition.synthesis SUFFICIENT --- Real Ultimate output --- This is Ultimate 0.3.0-dev-ebd4107-m [2025-01-23 19:06:47,559 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-23 19:06:47,638 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2025-01-23 19:06:47,645 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-23 19:06:47,648 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-23 19:06:47,674 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-23 19:06:47,675 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-23 19:06:47,675 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-23 19:06:47,676 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-23 19:06:47,676 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-23 19:06:47,676 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-23 19:06:47,676 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-23 19:06:47,676 INFO L153 SettingsManager]: * Use SBE=true [2025-01-23 19:06:47,676 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-23 19:06:47,676 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-23 19:06:47,676 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-23 19:06:47,676 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-23 19:06:47,676 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-23 19:06:47,676 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-23 19:06:47,677 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-23 19:06:47,677 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-23 19:06:47,677 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-23 19:06:47,677 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-23 19:06:47,677 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-23 19:06:47,677 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-23 19:06:47,677 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-23 19:06:47,677 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-23 19:06:47,677 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-23 19:06:47,677 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-23 19:06:47,677 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-23 19:06:47,677 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-23 19:06:47,677 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-23 19:06:47,679 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-23 19:06:47,679 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-23 19:06:47,679 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-01-23 19:06:47,679 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-23 19:06:47,679 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-23 19:06:47,679 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-01-23 19:06:47,679 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-23 19:06:47,679 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-23 19:06:47,680 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-01-23 19:06:47,680 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-01-23 19:06:47,680 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-01-23 19:06:47,680 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 -> 2d41b1dc1d5d7eec1f1fd4e3cbbef0194aa2dded6486a15b383e9bb8fe1468a3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use conditional POR in concurrent analysis -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> SUFFICIENT [2025-01-23 19:06:47,922 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-23 19:06:47,928 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-23 19:06:47,930 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-23 19:06:47,931 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-23 19:06:47,931 INFO L274 PluginConnector]: CDTParser initialized [2025-01-23 19:06:47,932 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/parallel-parallel-sum-equiv.wvr.c [2025-01-23 19:06:49,109 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/0835a1f46/2eb06dfad1c34c6193c14670fce8f778/FLAG72135a27f [2025-01-23 19:06:49,257 INFO L384 CDTParser]: Found 1 translation units. [2025-01-23 19:06:49,258 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/parallel-parallel-sum-equiv.wvr.c [2025-01-23 19:06:49,263 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/0835a1f46/2eb06dfad1c34c6193c14670fce8f778/FLAG72135a27f [2025-01-23 19:06:49,668 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/0835a1f46/2eb06dfad1c34c6193c14670fce8f778 [2025-01-23 19:06:49,669 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-23 19:06:49,670 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-23 19:06:49,671 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-23 19:06:49,671 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-23 19:06:49,674 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-23 19:06:49,675 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.01 07:06:49" (1/1) ... [2025-01-23 19:06:49,675 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@228f4797 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 07:06:49, skipping insertion in model container [2025-01-23 19:06:49,675 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.01 07:06:49" (1/1) ... [2025-01-23 19:06:49,686 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-23 19:06:49,802 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/parallel-parallel-sum-equiv.wvr.c[3822,3835] [2025-01-23 19:06:49,809 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-23 19:06:49,815 INFO L200 MainTranslator]: Completed pre-run [2025-01-23 19:06:49,874 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/parallel-parallel-sum-equiv.wvr.c[3822,3835] [2025-01-23 19:06:49,879 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-23 19:06:49,891 INFO L204 MainTranslator]: Completed translation [2025-01-23 19:06:49,893 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 07:06:49 WrapperNode [2025-01-23 19:06:49,893 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-23 19:06:49,894 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-23 19:06:49,894 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-23 19:06:49,894 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-23 19:06:49,899 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 07:06:49" (1/1) ... [2025-01-23 19:06:49,910 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 07:06:49" (1/1) ... [2025-01-23 19:06:49,928 INFO L138 Inliner]: procedures = 26, calls = 53, calls flagged for inlining = 18, calls inlined = 22, statements flattened = 245 [2025-01-23 19:06:49,930 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-23 19:06:49,930 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-23 19:06:49,931 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-23 19:06:49,931 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-23 19:06:49,938 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 07:06:49" (1/1) ... [2025-01-23 19:06:49,938 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 07:06:49" (1/1) ... [2025-01-23 19:06:49,944 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 07:06:49" (1/1) ... [2025-01-23 19:06:49,945 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 07:06:49" (1/1) ... [2025-01-23 19:06:49,952 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 07:06:49" (1/1) ... [2025-01-23 19:06:49,952 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 07:06:49" (1/1) ... [2025-01-23 19:06:49,954 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 07:06:49" (1/1) ... [2025-01-23 19:06:49,959 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 07:06:49" (1/1) ... [2025-01-23 19:06:49,960 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 07:06:49" (1/1) ... [2025-01-23 19:06:49,961 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-23 19:06:49,966 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-23 19:06:49,966 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-23 19:06:49,966 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-23 19:06:49,966 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 07:06:49" (1/1) ... [2025-01-23 19:06:49,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-23 19:06:49,982 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 19:06:49,991 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2025-01-23 19:06:49,993 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2025-01-23 19:06:50,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-23 19:06:50,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-01-23 19:06:50,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-01-23 19:06:50,013 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-01-23 19:06:50,013 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-01-23 19:06:50,013 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-01-23 19:06:50,013 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-01-23 19:06:50,013 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-01-23 19:06:50,014 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-01-23 19:06:50,014 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2025-01-23 19:06:50,014 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2025-01-23 19:06:50,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-01-23 19:06:50,014 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-01-23 19:06:50,014 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-01-23 19:06:50,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-23 19:06:50,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-23 19:06:50,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-23 19:06:50,015 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-01-23 19:06:50,101 INFO L234 CfgBuilder]: Building ICFG [2025-01-23 19:06:50,102 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-23 19:06:50,413 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-23 19:06:50,414 INFO L283 CfgBuilder]: Performing block encoding [2025-01-23 19:06:50,627 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-23 19:06:50,627 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2025-01-23 19:06:50,627 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.01 07:06:50 BoogieIcfgContainer [2025-01-23 19:06:50,627 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-23 19:06:50,630 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-23 19:06:50,630 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-23 19:06:50,634 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-23 19:06:50,634 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.01 07:06:49" (1/3) ... [2025-01-23 19:06:50,634 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4873dfda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.01 07:06:50, skipping insertion in model container [2025-01-23 19:06:50,635 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 07:06:49" (2/3) ... [2025-01-23 19:06:50,635 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4873dfda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.01 07:06:50, skipping insertion in model container [2025-01-23 19:06:50,635 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.01 07:06:50" (3/3) ... [2025-01-23 19:06:50,635 INFO L128 eAbstractionObserver]: Analyzing ICFG parallel-parallel-sum-equiv.wvr.c [2025-01-23 19:06:50,649 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-23 19:06:50,651 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG parallel-parallel-sum-equiv.wvr.c that has 5 procedures, 48 locations, 1 initial locations, 4 loop locations, and 1 error locations. [2025-01-23 19:06:50,651 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-23 19:06:50,716 INFO L143 ThreadInstanceAdder]: Constructed 10 joinOtherThreadTransitions. [2025-01-23 19:06:50,745 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-23 19:06:50,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-01-23 19:06:50,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 19:06:50,752 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2025-01-23 19:06:50,755 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2025-01-23 19:06:50,815 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-01-23 19:06:50,858 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread1Thread1of1ForFork1 ======== [2025-01-23 19:06:50,870 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;@56c85d3d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-23 19:06:50,871 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-01-23 19:06:51,199 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Thread1of1ForFork1Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 2 remaining) [2025-01-23 19:06:51,200 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Thread1of1ForFork1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2025-01-23 19:06:51,204 INFO L422 BasicCegarLoop]: Path program histogram: [] [2025-01-23 19:06:51,205 INFO L319 ceAbstractionStarter]: Result for error location thread1Thread1of1ForFork1 was SAFE,SAFE (1/2) [2025-01-23 19:06:51,208 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-23 19:06:51,209 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-01-23 19:06:51,209 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-01-23 19:06:51,209 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;@56c85d3d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-23 19:06:51,209 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2025-01-23 19:06:51,256 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-23 19:06:51,256 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 19:06:51,256 INFO L139 ounterexampleChecker]: Examining path program with hash -848998134, occurence #1 [2025-01-23 19:06:51,256 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 19:06:51,256 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 19:06:51,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:06:51,259 INFO L85 PathProgramCache]: Analyzing trace with hash -1145552558, now seen corresponding path program 1 times [2025-01-23 19:06:51,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 19:06:51,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745766429] [2025-01-23 19:06:51,264 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:06:51,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:06:51,324 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-01-23 19:06:51,344 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-01-23 19:06:51,344 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:06:51,344 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:06:51,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 19:06:51,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 19:06:51,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745766429] [2025-01-23 19:06:51,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745766429] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-23 19:06:51,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-23 19:06:51,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-23 19:06:51,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903310686] [2025-01-23 19:06:51,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 19:06:51,423 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-23 19:06:51,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 19:06:51,436 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-23 19:06:51,436 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-23 19:06:51,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:06:51,437 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 19:06:51,439 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 19:06:51,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:06:51,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:06:51,643 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-23 19:06:51,643 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-23 19:06:51,644 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 19:06:51,644 INFO L139 ounterexampleChecker]: Examining path program with hash -223698567, occurence #1 [2025-01-23 19:06:51,644 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 19:06:51,644 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 19:06:51,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:06:51,644 INFO L85 PathProgramCache]: Analyzing trace with hash 1047919218, now seen corresponding path program 1 times [2025-01-23 19:06:51,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 19:06:51,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424771603] [2025-01-23 19:06:51,645 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:06:51,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:06:51,652 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-01-23 19:06:51,713 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-01-23 19:06:51,713 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:06:51,714 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:06:51,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 19:06:51,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 19:06:51,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424771603] [2025-01-23 19:06:51,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1424771603] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-23 19:06:51,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-23 19:06:51,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-23 19:06:51,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270367461] [2025-01-23 19:06:51,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 19:06:51,928 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-23 19:06:51,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 19:06:51,929 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-23 19:06:51,929 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-23 19:06:51,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:06:51,929 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 19:06:51,929 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 19:06:51,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:06:51,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:06:52,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:06:52,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-23 19:06:52,043 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-23 19:06:52,044 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-23 19:06:52,044 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 19:06:52,044 INFO L139 ounterexampleChecker]: Examining path program with hash 1350430807, occurence #1 [2025-01-23 19:06:52,044 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 19:06:52,044 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 19:06:52,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:06:52,045 INFO L85 PathProgramCache]: Analyzing trace with hash 36044585, now seen corresponding path program 1 times [2025-01-23 19:06:52,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 19:06:52,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530424409] [2025-01-23 19:06:52,045 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:06:52,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:06:52,053 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-01-23 19:06:52,077 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-01-23 19:06:52,077 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:06:52,077 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:06:52,251 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-01-23 19:06:52,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 19:06:52,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530424409] [2025-01-23 19:06:52,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530424409] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-23 19:06:52,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-23 19:06:52,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-23 19:06:52,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863312863] [2025-01-23 19:06:52,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 19:06:52,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-23 19:06:52,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 19:06:52,253 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-23 19:06:52,253 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-23 19:06:52,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:06:52,253 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 19:06:52,253 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 19:06:52,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:06:52,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-23 19:06:52,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:06:52,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:06:52,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-23 19:06:52,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:06:52,347 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-23 19:06:52,347 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-23 19:06:52,347 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 19:06:52,347 INFO L139 ounterexampleChecker]: Examining path program with hash 1350430807, occurence #2 [2025-01-23 19:06:52,347 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-23 19:06:52,348 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-23 19:06:52,348 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:06:52,348 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2025-01-23 19:06:52,366 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:06:52,367 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-01-23 19:06:52,367 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:06:52,367 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2025-01-23 19:06:52,367 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:06:52,367 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2025-01-23 19:06:52,367 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:06:52,367 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2025-01-23 19:06:52,367 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:06:52,367 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 47 [2025-01-23 19:06:52,367 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:06:52,367 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2025-01-23 19:06:52,367 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:06:52,367 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-01-23 19:06:52,367 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:06:52,367 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-01-23 19:06:52,367 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:06:52,367 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2025-01-23 19:06:52,367 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:06:52,367 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-23 19:06:52,367 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 19:06:52,368 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:06:52,368 INFO L85 PathProgramCache]: Analyzing trace with hash 1946332658, now seen corresponding path program 1 times [2025-01-23 19:06:52,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 19:06:52,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121614966] [2025-01-23 19:06:52,368 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:06:52,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:06:52,387 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-01-23 19:06:52,412 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-01-23 19:06:52,412 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:06:52,412 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:06:52,611 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-01-23 19:06:52,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 19:06:52,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121614966] [2025-01-23 19:06:52,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [121614966] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:06:52,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [193060929] [2025-01-23 19:06:52,612 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:06:52,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 19:06:52,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 19:06:52,629 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 19:06:52,631 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-01-23 19:06:52,696 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-01-23 19:06:52,729 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-01-23 19:06:52,729 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:06:52,729 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:06:52,733 INFO L256 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-23 19:06:52,735 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 19:06:52,822 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-01-23 19:06:52,822 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 19:06:52,900 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-01-23 19:06:52,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [193060929] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 19:06:52,900 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 19:06:52,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2025-01-23 19:06:52,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448051004] [2025-01-23 19:06:52,900 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 19:06:52,901 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-01-23 19:06:52,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 19:06:52,901 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-01-23 19:06:52,901 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2025-01-23 19:06:52,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:06:52,901 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 19:06:52,901 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.25) internal successors, (87), 11 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 19:06:52,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:06:52,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-23 19:06:52,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:06:52,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:06:53,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:06:53,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-23 19:06:53,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:06:53,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 19:06:53,111 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-01-23 19:06:53,301 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 [2025-01-23 19:06:53,301 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-23 19:06:53,302 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 19:06:53,302 INFO L139 ounterexampleChecker]: Examining path program with hash 1350430807, occurence #3 [2025-01-23 19:06:53,302 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-23 19:06:53,302 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-23 19:06:53,302 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:06:53,302 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-01-23 19:06:53,302 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:06:53,302 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-01-23 19:06:53,302 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:06:53,302 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-01-23 19:06:53,302 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:06:53,303 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2025-01-23 19:06:53,303 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:06:53,303 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2025-01-23 19:06:53,303 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:06:53,303 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-01-23 19:06:53,303 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:06:53,303 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2025-01-23 19:06:53,303 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:06:53,303 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-01-23 19:06:53,303 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:06:53,303 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 58 [2025-01-23 19:06:53,303 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:06:53,304 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2025-01-23 19:06:53,304 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:06:53,304 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-23 19:06:53,304 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 19:06:53,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:06:53,304 INFO L85 PathProgramCache]: Analyzing trace with hash 1035720777, now seen corresponding path program 2 times [2025-01-23 19:06:53,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 19:06:53,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558542486] [2025-01-23 19:06:53,304 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-23 19:06:53,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:06:53,316 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 62 statements into 2 equivalence classes. [2025-01-23 19:06:53,347 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 62 of 62 statements. [2025-01-23 19:06:53,350 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-23 19:06:53,350 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:06:53,622 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 19:06:53,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 19:06:53,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558542486] [2025-01-23 19:06:53,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1558542486] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:06:53,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [189401045] [2025-01-23 19:06:53,624 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-23 19:06:53,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 19:06:53,624 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 19:06:53,626 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 19:06:53,627 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-01-23 19:06:53,687 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 62 statements into 2 equivalence classes. [2025-01-23 19:06:53,720 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 62 of 62 statements. [2025-01-23 19:06:53,720 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-23 19:06:53,720 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:06:53,723 INFO L256 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-01-23 19:06:53,724 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 19:06:53,845 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-23 19:06:53,845 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 19:06:53,916 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-23 19:06:53,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [189401045] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 19:06:53,916 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 19:06:53,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7, 7] total 19 [2025-01-23 19:06:53,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033034151] [2025-01-23 19:06:53,916 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 19:06:53,916 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-01-23 19:06:53,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 19:06:53,917 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-01-23 19:06:53,917 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=285, Unknown=0, NotChecked=0, Total=380 [2025-01-23 19:06:53,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:06:53,917 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 19:06:53,917 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 5.95) internal successors, (119), 19 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 19:06:53,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:06:53,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-23 19:06:53,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:06:53,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 19:06:53,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:06:54,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:06:54,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-23 19:06:54,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:06:54,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 19:06:54,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 19:06:54,105 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 [2025-01-23 19:06:54,299 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 19:06:54,299 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-23 19:06:54,300 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 19:06:54,300 INFO L139 ounterexampleChecker]: Examining path program with hash 1350430807, occurence #4 [2025-01-23 19:06:54,300 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-23 19:06:54,300 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-23 19:06:54,300 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:06:54,300 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-01-23 19:06:54,300 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:06:54,300 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2025-01-23 19:06:54,300 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:06:54,300 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-01-23 19:06:54,301 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:06:54,301 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2025-01-23 19:06:54,301 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:06:54,301 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2025-01-23 19:06:54,301 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:06:54,301 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 49 [2025-01-23 19:06:54,301 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:06:54,301 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-01-23 19:06:54,301 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:06:54,301 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 56 [2025-01-23 19:06:54,301 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:06:54,301 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2025-01-23 19:06:54,301 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:06:54,301 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2025-01-23 19:06:54,301 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:06:54,301 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-23 19:06:54,301 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 19:06:54,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:06:54,301 INFO L85 PathProgramCache]: Analyzing trace with hash -1423443758, now seen corresponding path program 3 times [2025-01-23 19:06:54,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 19:06:54,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118544466] [2025-01-23 19:06:54,301 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-23 19:06:54,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:06:54,313 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 63 statements into 3 equivalence classes. [2025-01-23 19:06:54,335 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 62 of 63 statements. [2025-01-23 19:06:54,335 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-01-23 19:06:54,335 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:06:54,508 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-01-23 19:06:54,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 19:06:54,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118544466] [2025-01-23 19:06:54,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118544466] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:06:54,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [176461727] [2025-01-23 19:06:54,509 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-23 19:06:54,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 19:06:54,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 19:06:54,511 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 19:06:54,512 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-01-23 19:06:54,565 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 63 statements into 3 equivalence classes. [2025-01-23 19:06:54,596 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 62 of 63 statements. [2025-01-23 19:06:54,597 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-01-23 19:06:54,597 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:06:54,598 INFO L256 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-01-23 19:06:54,599 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 19:06:54,736 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-01-23 19:06:54,737 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 19:06:54,819 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-01-23 19:06:54,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [176461727] provided 1 perfect and 1 imperfect interpolant sequences [2025-01-23 19:06:54,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2025-01-23 19:06:54,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [10, 10] total 24 [2025-01-23 19:06:54,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151992127] [2025-01-23 19:06:54,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 19:06:54,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-23 19:06:54,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 19:06:54,820 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-23 19:06:54,821 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=156, Invalid=396, Unknown=0, NotChecked=0, Total=552 [2025-01-23 19:06:54,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:06:54,821 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 19:06:54,821 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 19:06:54,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:06:54,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-23 19:06:54,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:06:54,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 19:06:54,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-23 19:06:54,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:06:54,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:06:54,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-23 19:06:54,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:06:54,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 19:06:54,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 19:06:54,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:06:55,002 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-01-23 19:06:55,196 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 19:06:55,196 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-23 19:06:55,197 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 19:06:55,197 INFO L139 ounterexampleChecker]: Examining path program with hash 116652029, occurence #1 [2025-01-23 19:06:55,197 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 19:06:55,197 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 19:06:55,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:06:55,198 INFO L85 PathProgramCache]: Analyzing trace with hash 596510516, now seen corresponding path program 4 times [2025-01-23 19:06:55,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 19:06:55,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987276408] [2025-01-23 19:06:55,199 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-23 19:06:55,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:06:55,209 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 79 statements into 2 equivalence classes. [2025-01-23 19:06:55,214 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 52 of 79 statements. [2025-01-23 19:06:55,215 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-23 19:06:55,215 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:06:55,362 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-01-23 19:06:55,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 19:06:55,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987276408] [2025-01-23 19:06:55,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1987276408] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-23 19:06:55,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-23 19:06:55,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-01-23 19:06:55,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708259346] [2025-01-23 19:06:55,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 19:06:55,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-23 19:06:55,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 19:06:55,364 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-23 19:06:55,364 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2025-01-23 19:06:55,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:06:55,364 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 19:06:55,364 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 19:06:55,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:06:55,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-23 19:06:55,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:06:55,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 19:06:55,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-23 19:06:55,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:06:55,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:06:55,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:06:55,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-23 19:06:55,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:06:55,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 19:06:55,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 19:06:55,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 19:06:55,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:06:55,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-01-23 19:06:55,955 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-23 19:06:55,955 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 19:06:55,955 INFO L139 ounterexampleChecker]: Examining path program with hash 1243860293, occurence #1 [2025-01-23 19:06:55,955 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 19:06:55,955 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 19:06:55,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:06:55,955 INFO L85 PathProgramCache]: Analyzing trace with hash 1098356291, now seen corresponding path program 5 times [2025-01-23 19:06:55,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 19:06:55,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147563502] [2025-01-23 19:06:55,955 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-23 19:06:55,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:06:55,965 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 83 statements into 4 equivalence classes. [2025-01-23 19:06:55,994 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) and asserted 83 of 83 statements. [2025-01-23 19:06:55,994 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2025-01-23 19:06:55,994 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:06:56,163 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2025-01-23 19:06:56,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 19:06:56,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147563502] [2025-01-23 19:06:56,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147563502] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:06:56,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2091096472] [2025-01-23 19:06:56,163 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-23 19:06:56,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 19:06:56,164 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 19:06:56,165 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 19:06:56,167 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-01-23 19:06:56,219 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 83 statements into 4 equivalence classes. [2025-01-23 19:06:56,276 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) and asserted 83 of 83 statements. [2025-01-23 19:06:56,276 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2025-01-23 19:06:56,276 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:06:56,278 INFO L256 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-01-23 19:06:56,280 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 19:06:56,485 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 24 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-01-23 19:06:56,485 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 19:06:56,621 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 24 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-01-23 19:06:56,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2091096472] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 19:06:56,621 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 19:06:56,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 10] total 23 [2025-01-23 19:06:56,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47849616] [2025-01-23 19:06:56,621 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 19:06:56,622 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2025-01-23 19:06:56,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 19:06:56,622 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2025-01-23 19:06:56,622 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=395, Unknown=0, NotChecked=0, Total=552 [2025-01-23 19:06:56,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:06:56,623 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 19:06:56,623 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 5.791666666666667) internal successors, (139), 23 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 19:06:56,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:06:56,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-23 19:06:56,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:06:56,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 19:06:56,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-23 19:06:56,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-23 19:06:56,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:06:56,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:06:56,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:06:56,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-23 19:06:56,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:06:56,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 19:06:56,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 19:06:56,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 19:06:56,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:06:56,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-23 19:06:56,815 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-01-23 19:06:57,008 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 19:06:57,008 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-23 19:06:57,008 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 19:06:57,008 INFO L139 ounterexampleChecker]: Examining path program with hash 1243860293, occurence #2 [2025-01-23 19:06:57,009 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-23 19:06:57,009 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-23 19:06:57,009 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:06:57,009 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-01-23 19:06:57,009 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:06:57,009 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-01-23 19:06:57,009 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:06:57,009 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-01-23 19:06:57,009 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:06:57,009 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2025-01-23 19:06:57,009 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:06:57,009 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2025-01-23 19:06:57,009 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:06:57,009 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2025-01-23 19:06:57,009 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:06:57,009 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 63 [2025-01-23 19:06:57,009 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:06:57,009 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 69 [2025-01-23 19:06:57,009 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:06:57,009 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2025-01-23 19:06:57,009 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:06:57,009 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2025-01-23 19:06:57,009 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:06:57,009 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 79 [2025-01-23 19:06:57,009 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:06:57,009 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 82 [2025-01-23 19:06:57,009 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:06:57,009 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 83 [2025-01-23 19:06:57,009 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:06:57,009 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-23 19:06:57,010 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 19:06:57,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:06:57,010 INFO L85 PathProgramCache]: Analyzing trace with hash -1601210077, now seen corresponding path program 6 times [2025-01-23 19:06:57,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 19:06:57,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573028028] [2025-01-23 19:06:57,010 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-23 19:06:57,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:06:57,024 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 85 statements into 4 equivalence classes. [2025-01-23 19:06:57,079 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) and asserted 85 of 85 statements. [2025-01-23 19:06:57,079 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2025-01-23 19:06:57,079 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:06:57,359 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 25 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 19:06:57,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 19:06:57,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573028028] [2025-01-23 19:06:57,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573028028] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:06:57,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [808157311] [2025-01-23 19:06:57,359 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-23 19:06:57,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 19:06:57,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 19:06:57,365 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 19:06:57,369 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-01-23 19:06:57,422 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 85 statements into 4 equivalence classes. [2025-01-23 19:06:57,484 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) and asserted 85 of 85 statements. [2025-01-23 19:06:57,484 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2025-01-23 19:06:57,484 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:06:57,486 INFO L256 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-01-23 19:06:57,488 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 19:06:57,804 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 42 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 19:06:57,805 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 19:06:58,020 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 42 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 19:06:58,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [808157311] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 19:06:58,020 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 19:06:58,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 35 [2025-01-23 19:06:58,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903397139] [2025-01-23 19:06:58,021 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 19:06:58,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2025-01-23 19:06:58,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 19:06:58,022 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2025-01-23 19:06:58,022 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=322, Invalid=938, Unknown=0, NotChecked=0, Total=1260 [2025-01-23 19:06:58,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:06:58,022 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 19:06:58,023 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 5.694444444444445) internal successors, (205), 35 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) [2025-01-23 19:06:58,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:06:58,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-23 19:06:58,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:06:58,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 19:06:58,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-23 19:06:58,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-23 19:06:58,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:06:58,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-23 19:06:58,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:06:58,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:06:58,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-23 19:06:58,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:06:58,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 19:06:58,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 19:06:58,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 19:06:58,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:06:58,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-23 19:06:58,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-23 19:06:58,249 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-01-23 19:06:58,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 19:06:58,441 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-23 19:06:58,441 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 19:06:58,441 INFO L139 ounterexampleChecker]: Examining path program with hash 1243860293, occurence #3 [2025-01-23 19:06:58,441 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-23 19:06:58,442 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-23 19:06:58,442 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:06:58,442 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2025-01-23 19:06:58,442 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:06:58,442 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-01-23 19:06:58,442 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:06:58,442 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2025-01-23 19:06:58,442 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:06:58,442 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2025-01-23 19:06:58,442 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:06:58,442 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-01-23 19:06:58,442 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:06:58,442 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2025-01-23 19:06:58,442 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:06:58,442 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 65 [2025-01-23 19:06:58,443 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:06:58,443 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2025-01-23 19:06:58,443 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:06:58,443 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2025-01-23 19:06:58,443 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:06:58,443 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 79 [2025-01-23 19:06:58,443 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:06:58,443 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 81 [2025-01-23 19:06:58,443 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:06:58,443 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 84 [2025-01-23 19:06:58,443 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:06:58,443 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 85 [2025-01-23 19:06:58,443 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:06:58,443 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-23 19:06:58,443 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 19:06:58,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:06:58,444 INFO L85 PathProgramCache]: Analyzing trace with hash -1724242941, now seen corresponding path program 7 times [2025-01-23 19:06:58,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 19:06:58,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419935262] [2025-01-23 19:06:58,444 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-23 19:06:58,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:06:58,454 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-01-23 19:06:58,465 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-01-23 19:06:58,465 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:06:58,465 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:06:58,769 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 21 proven. 31 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-01-23 19:06:58,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 19:06:58,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419935262] [2025-01-23 19:06:58,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1419935262] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:06:58,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1429936712] [2025-01-23 19:06:58,769 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-23 19:06:58,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 19:06:58,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 19:06:58,771 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 19:06:58,772 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-01-23 19:06:58,826 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-01-23 19:06:58,862 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-01-23 19:06:58,862 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:06:58,862 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:06:58,864 INFO L256 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-01-23 19:06:58,877 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 19:06:59,143 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 21 proven. 31 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-01-23 19:06:59,143 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 19:06:59,353 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 28 proven. 24 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-01-23 19:06:59,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1429936712] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 19:06:59,354 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 19:06:59,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 36 [2025-01-23 19:06:59,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413607024] [2025-01-23 19:06:59,354 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 19:06:59,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2025-01-23 19:06:59,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 19:06:59,355 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2025-01-23 19:06:59,355 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=344, Invalid=988, Unknown=0, NotChecked=0, Total=1332 [2025-01-23 19:06:59,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:06:59,356 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 19:06:59,356 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 4.054054054054054) internal successors, (150), 36 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 19:06:59,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:06:59,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-23 19:06:59,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:06:59,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 19:06:59,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-23 19:06:59,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-23 19:06:59,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:06:59,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-23 19:06:59,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-23 19:06:59,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:06:59,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:06:59,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-23 19:06:59,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:06:59,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 19:06:59,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 19:06:59,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 19:06:59,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:06:59,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-23 19:06:59,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-23 19:06:59,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-23 19:06:59,717 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-01-23 19:06:59,911 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 19:06:59,911 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-23 19:06:59,911 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 19:06:59,912 INFO L139 ounterexampleChecker]: Examining path program with hash -150285399, occurence #1 [2025-01-23 19:06:59,912 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 19:06:59,912 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 19:06:59,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:06:59,912 INFO L85 PathProgramCache]: Analyzing trace with hash 1777591115, now seen corresponding path program 8 times [2025-01-23 19:06:59,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 19:06:59,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747561292] [2025-01-23 19:06:59,912 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-23 19:06:59,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:06:59,923 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 103 statements into 2 equivalence classes. [2025-01-23 19:06:59,944 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 103 of 103 statements. [2025-01-23 19:06:59,945 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-23 19:06:59,945 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:07:00,251 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 21 proven. 89 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 19:07:00,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 19:07:00,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747561292] [2025-01-23 19:07:00,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747561292] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:07:00,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [701182754] [2025-01-23 19:07:00,252 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-23 19:07:00,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 19:07:00,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 19:07:00,253 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 19:07:00,258 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-01-23 19:07:00,317 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 103 statements into 2 equivalence classes. [2025-01-23 19:07:00,358 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 103 of 103 statements. [2025-01-23 19:07:00,358 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-23 19:07:00,358 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:07:00,363 INFO L256 TraceCheckSpWp]: Trace formula consists of 507 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-01-23 19:07:00,365 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 19:07:00,735 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 78 proven. 28 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-23 19:07:00,735 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 19:07:01,098 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 78 proven. 28 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-23 19:07:01,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [701182754] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 19:07:01,098 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 19:07:01,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 17, 17] total 46 [2025-01-23 19:07:01,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758260293] [2025-01-23 19:07:01,099 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 19:07:01,099 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2025-01-23 19:07:01,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 19:07:01,100 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2025-01-23 19:07:01,101 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=361, Invalid=1801, Unknown=0, NotChecked=0, Total=2162 [2025-01-23 19:07:01,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:07:01,101 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 19:07:01,101 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 5.085106382978723) internal successors, (239), 46 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 19:07:01,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:07:01,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-23 19:07:01,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:07:01,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 19:07:01,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-23 19:07:01,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-23 19:07:01,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:07:01,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-23 19:07:01,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-23 19:07:01,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-23 19:07:01,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:07:01,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:07:01,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-23 19:07:01,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:07:01,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 19:07:01,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 19:07:01,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 19:07:01,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:07:01,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-23 19:07:01,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-23 19:07:01,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-23 19:07:01,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-23 19:07:01,675 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-01-23 19:07:01,868 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 19:07:01,869 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-23 19:07:01,869 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 19:07:01,869 INFO L139 ounterexampleChecker]: Examining path program with hash -1522074989, occurence #1 [2025-01-23 19:07:01,869 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 19:07:01,869 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 19:07:01,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:07:01,870 INFO L85 PathProgramCache]: Analyzing trace with hash 230421649, now seen corresponding path program 9 times [2025-01-23 19:07:01,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 19:07:01,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240832370] [2025-01-23 19:07:01,870 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-23 19:07:01,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:07:01,899 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 132 statements into 7 equivalence classes. [2025-01-23 19:07:02,078 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) and asserted 132 of 132 statements. [2025-01-23 19:07:02,078 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2025-01-23 19:07:02,078 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:07:02,602 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 229 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 19:07:02,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 19:07:02,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240832370] [2025-01-23 19:07:02,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [240832370] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:07:02,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1434585854] [2025-01-23 19:07:02,603 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-23 19:07:02,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 19:07:02,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 19:07:02,605 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 19:07:02,606 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-01-23 19:07:02,672 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 132 statements into 7 equivalence classes. [2025-01-23 19:07:02,753 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) and asserted 132 of 132 statements. [2025-01-23 19:07:02,754 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2025-01-23 19:07:02,754 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:07:02,756 INFO L256 TraceCheckSpWp]: Trace formula consists of 621 conjuncts, 26 conjuncts are in the unsatisfiable core [2025-01-23 19:07:02,758 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 19:07:03,297 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 246 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-23 19:07:03,297 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 19:07:03,686 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 246 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-23 19:07:03,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1434585854] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 19:07:03,686 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 19:07:03,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 24, 24] total 64 [2025-01-23 19:07:03,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485765851] [2025-01-23 19:07:03,687 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 19:07:03,687 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2025-01-23 19:07:03,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 19:07:03,688 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2025-01-23 19:07:03,689 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1034, Invalid=3126, Unknown=0, NotChecked=0, Total=4160 [2025-01-23 19:07:03,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:07:03,689 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 19:07:03,689 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 5.184615384615385) internal successors, (337), 64 states have internal predecessors, (337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 19:07:03,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:07:03,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-23 19:07:03,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:07:03,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 19:07:03,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-23 19:07:03,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-23 19:07:03,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:07:03,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-23 19:07:03,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-23 19:07:03,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-23 19:07:03,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-01-23 19:07:03,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:07:03,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:07:03,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-23 19:07:03,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:07:03,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 19:07:03,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 19:07:03,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 19:07:03,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:07:03,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-23 19:07:03,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-23 19:07:03,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-23 19:07:03,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-23 19:07:03,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-23 19:07:03,874 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-01-23 19:07:04,072 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 19:07:04,072 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-23 19:07:04,072 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 19:07:04,072 INFO L139 ounterexampleChecker]: Examining path program with hash -1522074989, occurence #2 [2025-01-23 19:07:04,072 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-23 19:07:04,072 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-23 19:07:04,072 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:07:04,073 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2025-01-23 19:07:04,073 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:07:04,073 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2025-01-23 19:07:04,073 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:07:04,073 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2025-01-23 19:07:04,073 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:07:04,073 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2025-01-23 19:07:04,073 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:07:04,073 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2025-01-23 19:07:04,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:07:04,221 INFO L85 PathProgramCache]: Analyzing trace with hash 912117379, now seen corresponding path program 1 times [2025-01-23 19:07:04,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-23 19:07:04,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848485372] [2025-01-23 19:07:04,221 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:07:04,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:07:04,235 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 118 statements into 1 equivalence classes. [2025-01-23 19:07:04,271 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 118 of 118 statements. [2025-01-23 19:07:04,271 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:07:04,271 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:07:04,988 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 210 proven. 123 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 19:07:04,989 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-23 19:07:04,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848485372] [2025-01-23 19:07:04,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848485372] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:07:04,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [2066593837] [2025-01-23 19:07:04,989 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:07:04,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:07:05,004 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 118 statements into 1 equivalence classes. [2025-01-23 19:07:05,035 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 118 of 118 statements. [2025-01-23 19:07:05,035 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:07:05,035 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:07:05,038 INFO L256 TraceCheckSpWp]: Trace formula consists of 602 conjuncts, 34 conjuncts are in the unsatisfiable core [2025-01-23 19:07:05,040 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 19:07:06,128 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 228 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 19:07:06,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [2066593837] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:07:06,128 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-23 19:07:06,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32] total 62 [2025-01-23 19:07:06,128 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-23 19:07:06,128 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 120 [2025-01-23 19:07:06,128 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:07:06,128 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 124 [2025-01-23 19:07:06,129 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:07:06,129 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 129 [2025-01-23 19:07:06,129 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:07:06,129 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 132 [2025-01-23 19:07:06,129 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:07:06,129 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 134 [2025-01-23 19:07:06,129 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:07:06,129 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 136 [2025-01-23 19:07:06,129 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:07:06,129 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-23 19:07:06,129 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 19:07:06,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:07:06,129 INFO L85 PathProgramCache]: Analyzing trace with hash -1458190351, now seen corresponding path program 10 times [2025-01-23 19:07:06,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 19:07:06,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790217341] [2025-01-23 19:07:06,129 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-23 19:07:06,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:07:06,143 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 138 statements into 2 equivalence classes. [2025-01-23 19:07:06,149 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 76 of 138 statements. [2025-01-23 19:07:06,149 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-23 19:07:06,149 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:07:06,342 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 228 proven. 19 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2025-01-23 19:07:06,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 19:07:06,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790217341] [2025-01-23 19:07:06,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [790217341] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:07:06,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [259051063] [2025-01-23 19:07:06,343 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-23 19:07:06,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 19:07:06,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 19:07:06,348 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 19:07:06,354 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-01-23 19:07:06,438 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 138 statements into 2 equivalence classes. [2025-01-23 19:07:06,460 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 76 of 138 statements. [2025-01-23 19:07:06,460 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-23 19:07:06,460 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:07:06,466 INFO L256 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-01-23 19:07:06,467 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 19:07:06,955 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 247 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2025-01-23 19:07:06,955 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 19:07:07,135 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 228 proven. 19 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2025-01-23 19:07:07,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [259051063] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 19:07:07,135 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 19:07:07,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 26, 13] total 45 [2025-01-23 19:07:07,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607059317] [2025-01-23 19:07:07,135 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 19:07:07,136 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2025-01-23 19:07:07,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 19:07:07,137 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2025-01-23 19:07:07,137 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=550, Invalid=1430, Unknown=0, NotChecked=0, Total=1980 [2025-01-23 19:07:07,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:07:07,137 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 19:07:07,138 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 7.111111111111111) internal successors, (320), 45 states have internal predecessors, (320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 19:07:07,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:07:07,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-23 19:07:07,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:07:07,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 19:07:07,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-23 19:07:07,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-23 19:07:07,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:07:07,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-23 19:07:07,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-23 19:07:07,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-23 19:07:07,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-01-23 19:07:07,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-23 19:07:07,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:07:08,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:07:08,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-23 19:07:08,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:07:08,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 19:07:08,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 19:07:08,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-23 19:07:08,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:07:08,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-23 19:07:08,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-23 19:07:08,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-23 19:07:08,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-23 19:07:08,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-23 19:07:08,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-01-23 19:07:08,820 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-01-23 19:07:09,015 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,SelfDestructingSolverStorable12,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14 [2025-01-23 19:07:09,017 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-23 19:07:09,017 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 19:07:09,017 INFO L139 ounterexampleChecker]: Examining path program with hash 524901068, occurence #1 [2025-01-23 19:07:09,017 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 19:07:09,017 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 19:07:09,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:07:09,017 INFO L85 PathProgramCache]: Analyzing trace with hash -412564449, now seen corresponding path program 11 times [2025-01-23 19:07:09,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 19:07:09,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085678941] [2025-01-23 19:07:09,017 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-23 19:07:09,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:07:09,035 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 226 statements into 15 equivalence classes. [2025-01-23 19:07:09,201 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 15 check-sat command(s) and asserted 226 of 226 statements. [2025-01-23 19:07:09,202 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 15 check-sat command(s) [2025-01-23 19:07:09,202 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:07:10,303 INFO L134 CoverageAnalysis]: Checked inductivity of 916 backedges. 419 proven. 105 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2025-01-23 19:07:10,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 19:07:10,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085678941] [2025-01-23 19:07:10,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085678941] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:07:10,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2118755557] [2025-01-23 19:07:10,303 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-23 19:07:10,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 19:07:10,303 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 19:07:10,308 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 19:07:10,309 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-01-23 19:07:10,411 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 226 statements into 15 equivalence classes. [2025-01-23 19:07:11,450 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 15 check-sat command(s) and asserted 226 of 226 statements. [2025-01-23 19:07:11,450 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 15 check-sat command(s) [2025-01-23 19:07:11,450 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:07:11,456 INFO L256 TraceCheckSpWp]: Trace formula consists of 1005 conjuncts, 38 conjuncts are in the unsatisfiable core [2025-01-23 19:07:11,460 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 19:07:12,685 INFO L134 CoverageAnalysis]: Checked inductivity of 916 backedges. 419 proven. 105 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2025-01-23 19:07:12,685 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 19:07:13,455 INFO L134 CoverageAnalysis]: Checked inductivity of 916 backedges. 419 proven. 105 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2025-01-23 19:07:13,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2118755557] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 19:07:13,455 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 19:07:13,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 36, 36] total 91 [2025-01-23 19:07:13,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425749253] [2025-01-23 19:07:13,455 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 19:07:13,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 92 states [2025-01-23 19:07:13,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 19:07:13,460 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 92 interpolants. [2025-01-23 19:07:13,462 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2062, Invalid=6310, Unknown=0, NotChecked=0, Total=8372 [2025-01-23 19:07:13,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:07:13,462 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 19:07:13,462 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 92 states, 92 states have (on average 4.760869565217392) internal successors, (438), 91 states have internal predecessors, (438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 19:07:13,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:07:13,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-23 19:07:13,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:07:13,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 19:07:13,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-23 19:07:13,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-23 19:07:13,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:07:13,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-23 19:07:13,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-23 19:07:13,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-23 19:07:13,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-01-23 19:07:13,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-23 19:07:13,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2025-01-23 19:07:13,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:07:13,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:07:13,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-23 19:07:13,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:07:13,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 19:07:13,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 19:07:13,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-23 19:07:13,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:07:13,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-23 19:07:13,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-23 19:07:13,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-23 19:07:13,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-23 19:07:13,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-23 19:07:13,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-01-23 19:07:13,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-23 19:07:13,691 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 [2025-01-23 19:07:13,886 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,SelfDestructingSolverStorable15 [2025-01-23 19:07:13,886 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-23 19:07:13,886 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 19:07:13,886 INFO L139 ounterexampleChecker]: Examining path program with hash 524901068, occurence #2 [2025-01-23 19:07:13,886 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-23 19:07:13,886 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-23 19:07:13,886 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:07:13,886 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2025-01-23 19:07:13,886 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:07:13,886 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2025-01-23 19:07:13,886 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:07:13,886 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-01-23 19:07:13,886 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:07:13,887 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-01-23 19:07:13,887 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:07:13,887 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 145 [2025-01-23 19:07:13,933 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-23 19:07:13,934 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 3 [2025-01-23 19:07:13,978 WARN L331 ript$VariableManager]: TermVariable v_~X_0~0.offset_In_1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-23 19:07:13,978 WARN L331 ript$VariableManager]: TermVariable v_~X_0~0.base_In_1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-23 19:07:13,978 WARN L331 ript$VariableManager]: TermVariable v_~i_3~0_In_1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-23 19:07:13,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:07:13,978 INFO L85 PathProgramCache]: Analyzing trace with hash -1899170707, now seen corresponding path program 1 times [2025-01-23 19:07:13,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-23 19:07:13,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117390834] [2025-01-23 19:07:13,979 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:07:13,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:07:13,994 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 146 statements into 1 equivalence classes. [2025-01-23 19:07:14,134 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 146 of 146 statements. [2025-01-23 19:07:14,135 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:07:14,135 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-23 19:07:14,140 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-23 19:07:14,140 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-23 19:07:14,140 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 154 [2025-01-23 19:07:14,141 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:07:14,141 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 162 [2025-01-23 19:07:14,141 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:07:14,141 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 166 [2025-01-23 19:07:14,141 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:07:14,141 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 172 [2025-01-23 19:07:14,141 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:07:14,141 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 176 [2025-01-23 19:07:14,141 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:07:14,141 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 180 [2025-01-23 19:07:14,141 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:07:14,141 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 184 [2025-01-23 19:07:14,141 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:07:14,141 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 188 [2025-01-23 19:07:14,141 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:07:14,141 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 192 [2025-01-23 19:07:14,141 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:07:14,141 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 196 [2025-01-23 19:07:14,141 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:07:14,141 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 200 [2025-01-23 19:07:14,141 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:07:14,141 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 204 [2025-01-23 19:07:14,141 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:07:14,141 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 208 [2025-01-23 19:07:14,141 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:07:14,141 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 212 [2025-01-23 19:07:14,141 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:07:14,141 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 216 [2025-01-23 19:07:14,141 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:07:14,142 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 220 [2025-01-23 19:07:14,142 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:07:14,142 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 224 [2025-01-23 19:07:14,142 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:07:14,142 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 226 [2025-01-23 19:07:14,142 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:07:14,142 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 229 [2025-01-23 19:07:14,142 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:07:14,142 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 230 [2025-01-23 19:07:14,142 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:07:14,142 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-23 19:07:14,142 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 19:07:14,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:07:14,142 INFO L85 PathProgramCache]: Analyzing trace with hash -1706070145, now seen corresponding path program 12 times [2025-01-23 19:07:14,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 19:07:14,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518071210] [2025-01-23 19:07:14,142 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-23 19:07:14,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:07:14,162 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 232 statements into 15 equivalence classes. [2025-01-23 19:07:14,693 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 15 check-sat command(s) and asserted 232 of 232 statements. [2025-01-23 19:07:14,693 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 15 check-sat command(s) [2025-01-23 19:07:14,693 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:07:15,905 INFO L134 CoverageAnalysis]: Checked inductivity of 1021 backedges. 392 proven. 416 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2025-01-23 19:07:15,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 19:07:15,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518071210] [2025-01-23 19:07:15,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518071210] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:07:15,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [813227628] [2025-01-23 19:07:15,905 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-23 19:07:15,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 19:07:15,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 19:07:15,911 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 19:07:15,913 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-01-23 19:07:16,029 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 232 statements into 15 equivalence classes. [2025-01-23 19:07:16,669 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 15 check-sat command(s) and asserted 232 of 232 statements. [2025-01-23 19:07:16,669 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 15 check-sat command(s) [2025-01-23 19:07:16,669 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:07:16,675 INFO L256 TraceCheckSpWp]: Trace formula consists of 1059 conjuncts, 50 conjuncts are in the unsatisfiable core [2025-01-23 19:07:16,678 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 19:07:18,381 INFO L134 CoverageAnalysis]: Checked inductivity of 1021 backedges. 811 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 19:07:18,381 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 19:07:19,830 INFO L134 CoverageAnalysis]: Checked inductivity of 1021 backedges. 811 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 19:07:19,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [813227628] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 19:07:19,830 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 19:07:19,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 48, 48] total 115 [2025-01-23 19:07:19,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84465759] [2025-01-23 19:07:19,831 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 19:07:19,831 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 115 states [2025-01-23 19:07:19,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 19:07:19,833 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 115 interpolants. [2025-01-23 19:07:19,835 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2849, Invalid=10261, Unknown=0, NotChecked=0, Total=13110 [2025-01-23 19:07:19,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:07:19,835 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 19:07:19,836 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 115 states, 115 states have (on average 5.339130434782609) internal successors, (614), 115 states have internal predecessors, (614), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 19:07:19,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:07:19,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-23 19:07:19,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:07:19,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 19:07:19,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-23 19:07:19,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-23 19:07:19,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:07:19,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-23 19:07:19,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-23 19:07:19,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-23 19:07:19,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-01-23 19:07:19,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-23 19:07:19,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2025-01-23 19:07:19,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-01-23 19:07:19,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:07:20,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:07:20,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-23 19:07:20,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:07:20,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 19:07:20,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 19:07:20,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-23 19:07:20,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:07:20,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-23 19:07:20,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-23 19:07:20,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-23 19:07:20,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-23 19:07:20,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-23 19:07:20,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-01-23 19:07:20,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-23 19:07:20,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2025-01-23 19:07:20,351 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2025-01-23 19:07:20,544 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,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17 [2025-01-23 19:07:20,545 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-23 19:07:20,545 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 19:07:20,545 INFO L139 ounterexampleChecker]: Examining path program with hash 524901068, occurence #3 [2025-01-23 19:07:20,545 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-23 19:07:20,545 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-23 19:07:20,545 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:07:20,545 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-01-23 19:07:20,545 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:07:20,545 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-01-23 19:07:20,545 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:07:20,545 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-01-23 19:07:20,545 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:07:20,545 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2025-01-23 19:07:20,545 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:07:20,545 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 175 [2025-01-23 19:07:20,579 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-23 19:07:20,580 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 3 [2025-01-23 19:07:20,599 WARN L331 ript$VariableManager]: TermVariable v_~X_0~0.base_In_2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-23 19:07:20,599 WARN L331 ript$VariableManager]: TermVariable v_~i_3~0_In_2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-23 19:07:20,599 WARN L331 ript$VariableManager]: TermVariable v_~X_0~0.offset_In_2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-23 19:07:20,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:07:20,600 INFO L85 PathProgramCache]: Analyzing trace with hash 45418046, now seen corresponding path program 1 times [2025-01-23 19:07:20,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-23 19:07:20,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046207741] [2025-01-23 19:07:20,600 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:07:20,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:07:20,616 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 176 statements into 1 equivalence classes. [2025-01-23 19:07:20,790 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 176 of 176 statements. [2025-01-23 19:07:20,790 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:07:20,790 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-23 19:07:20,795 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-23 19:07:20,795 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-23 19:07:20,795 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 184 [2025-01-23 19:07:20,795 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:07:20,796 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 192 [2025-01-23 19:07:20,796 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:07:20,796 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 196 [2025-01-23 19:07:20,796 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:07:20,796 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 202 [2025-01-23 19:07:20,796 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:07:20,796 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 206 [2025-01-23 19:07:20,796 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:07:20,796 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 210 [2025-01-23 19:07:20,796 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:07:20,797 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 214 [2025-01-23 19:07:20,797 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:07:20,797 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 218 [2025-01-23 19:07:20,797 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:07:20,797 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 222 [2025-01-23 19:07:20,797 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:07:20,797 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 226 [2025-01-23 19:07:20,797 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:07:20,797 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 230 [2025-01-23 19:07:20,797 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:07:20,797 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 234 [2025-01-23 19:07:20,797 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:07:20,797 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 238 [2025-01-23 19:07:20,797 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:07:20,797 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 242 [2025-01-23 19:07:20,797 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:07:20,797 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 246 [2025-01-23 19:07:20,797 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:07:20,797 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 250 [2025-01-23 19:07:20,797 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:07:20,797 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 254 [2025-01-23 19:07:20,797 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:07:20,797 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 256 [2025-01-23 19:07:20,797 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:07:20,797 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 259 [2025-01-23 19:07:20,797 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:07:20,797 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 260 [2025-01-23 19:07:20,797 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:07:20,797 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-23 19:07:20,797 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 19:07:20,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:07:20,798 INFO L85 PathProgramCache]: Analyzing trace with hash 1494000333, now seen corresponding path program 13 times [2025-01-23 19:07:20,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 19:07:20,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151078605] [2025-01-23 19:07:20,798 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-23 19:07:20,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:07:20,821 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 262 statements into 1 equivalence classes. [2025-01-23 19:07:20,874 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 262 of 262 statements. [2025-01-23 19:07:20,874 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:07:20,874 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:07:24,433 INFO L134 CoverageAnalysis]: Checked inductivity of 1386 backedges. 717 proven. 669 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 19:07:24,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 19:07:24,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151078605] [2025-01-23 19:07:24,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151078605] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:07:24,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1409958026] [2025-01-23 19:07:24,434 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-23 19:07:24,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 19:07:24,434 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 19:07:24,437 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 19:07:24,438 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-01-23 19:07:24,571 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 262 statements into 1 equivalence classes. [2025-01-23 19:07:24,687 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 262 of 262 statements. [2025-01-23 19:07:24,687 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:07:24,687 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:07:24,692 INFO L256 TraceCheckSpWp]: Trace formula consists of 1203 conjuncts, 54 conjuncts are in the unsatisfiable core [2025-01-23 19:07:24,701 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 19:07:27,213 INFO L134 CoverageAnalysis]: Checked inductivity of 1386 backedges. 325 proven. 669 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2025-01-23 19:07:27,213 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 19:07:29,877 INFO L134 CoverageAnalysis]: Checked inductivity of 1386 backedges. 351 proven. 643 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2025-01-23 19:07:29,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1409958026] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 19:07:29,877 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 19:07:29,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [79, 52, 52] total 180 [2025-01-23 19:07:29,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158293864] [2025-01-23 19:07:29,877 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 19:07:29,878 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 181 states [2025-01-23 19:07:29,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 19:07:29,880 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 181 interpolants. [2025-01-23 19:07:29,885 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=4889, Invalid=27691, Unknown=0, NotChecked=0, Total=32580 [2025-01-23 19:07:29,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:07:29,886 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 19:07:29,886 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 181 states, 181 states have (on average 3.546961325966851) internal successors, (642), 180 states have internal predecessors, (642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 19:07:29,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:07:29,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-23 19:07:29,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:07:29,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 19:07:29,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-23 19:07:29,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-23 19:07:29,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:07:29,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-23 19:07:29,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-23 19:07:29,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-23 19:07:29,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-01-23 19:07:29,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-23 19:07:29,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2025-01-23 19:07:29,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-01-23 19:07:29,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2025-01-23 19:07:29,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:07:32,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:07:32,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-23 19:07:32,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:07:32,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 19:07:32,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 19:07:32,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-23 19:07:32,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:07:32,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-23 19:07:32,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-23 19:07:32,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-23 19:07:32,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-23 19:07:32,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-23 19:07:32,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-01-23 19:07:32,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-23 19:07:32,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2025-01-23 19:07:32,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2025-01-23 19:07:32,115 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2025-01-23 19:07:32,311 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,SelfDestructingSolverStorable19,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 19:07:32,312 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-23 19:07:32,312 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 19:07:32,312 INFO L139 ounterexampleChecker]: Examining path program with hash -161188024, occurence #1 [2025-01-23 19:07:32,312 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 19:07:32,312 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 19:07:32,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:07:32,312 INFO L85 PathProgramCache]: Analyzing trace with hash 1153232170, now seen corresponding path program 14 times [2025-01-23 19:07:32,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 19:07:32,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018169124] [2025-01-23 19:07:32,313 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-23 19:07:32,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:07:32,332 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 290 statements into 2 equivalence classes. [2025-01-23 19:07:32,413 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 290 of 290 statements. [2025-01-23 19:07:32,413 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-23 19:07:32,413 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:07:36,121 INFO L134 CoverageAnalysis]: Checked inductivity of 1757 backedges. 1232 proven. 525 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 19:07:36,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 19:07:36,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018169124] [2025-01-23 19:07:36,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018169124] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:07:36,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1247415113] [2025-01-23 19:07:36,122 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-23 19:07:36,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 19:07:36,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 19:07:36,125 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 19:07:36,126 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-01-23 19:07:36,257 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 290 statements into 2 equivalence classes. [2025-01-23 19:07:36,379 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 290 of 290 statements. [2025-01-23 19:07:36,379 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-23 19:07:36,379 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:07:36,383 INFO L256 TraceCheckSpWp]: Trace formula consists of 1308 conjuncts, 57 conjuncts are in the unsatisfiable core [2025-01-23 19:07:36,390 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 19:07:38,444 INFO L134 CoverageAnalysis]: Checked inductivity of 1757 backedges. 1014 proven. 351 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2025-01-23 19:07:38,444 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 19:07:40,798 INFO L134 CoverageAnalysis]: Checked inductivity of 1757 backedges. 1014 proven. 351 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2025-01-23 19:07:40,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1247415113] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 19:07:40,799 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 19:07:40,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [87, 55, 55] total 193 [2025-01-23 19:07:40,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639507930] [2025-01-23 19:07:40,799 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 19:07:40,800 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 194 states [2025-01-23 19:07:40,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 19:07:40,801 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 194 interpolants. [2025-01-23 19:07:40,803 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5213, Invalid=32229, Unknown=0, NotChecked=0, Total=37442 [2025-01-23 19:07:40,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:07:40,803 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 19:07:40,803 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 194 states, 194 states have (on average 3.577319587628866) internal successors, (694), 193 states have internal predecessors, (694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 19:07:40,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:07:40,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-23 19:07:40,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:07:40,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 19:07:40,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-23 19:07:40,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-23 19:07:40,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:07:40,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-23 19:07:40,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-23 19:07:40,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-23 19:07:40,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-01-23 19:07:40,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-23 19:07:40,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2025-01-23 19:07:40,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-01-23 19:07:40,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2025-01-23 19:07:40,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2025-01-23 19:07:40,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:07:41,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:07:41,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-23 19:07:41,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:07:41,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 19:07:41,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 19:07:41,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-23 19:07:41,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:07:41,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-23 19:07:41,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-23 19:07:41,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-23 19:07:41,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-23 19:07:41,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-23 19:07:41,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-01-23 19:07:41,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-23 19:07:41,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2025-01-23 19:07:41,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2025-01-23 19:07:41,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-01-23 19:07:41,271 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2025-01-23 19:07:41,464 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,SelfDestructingSolverStorable20 [2025-01-23 19:07:41,464 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-23 19:07:41,464 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 19:07:41,464 INFO L139 ounterexampleChecker]: Examining path program with hash -161188024, occurence #2 [2025-01-23 19:07:41,465 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-23 19:07:41,465 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-23 19:07:41,465 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:07:41,465 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2025-01-23 19:07:41,465 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:07:41,465 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-01-23 19:07:41,465 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:07:41,465 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-01-23 19:07:41,465 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:07:41,465 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2025-01-23 19:07:41,465 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:07:41,465 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 204 [2025-01-23 19:07:41,502 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-23 19:07:41,503 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 3 [2025-01-23 19:07:43,529 WARN L331 ript$VariableManager]: TermVariable v_~X_0~0.base_In_3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-23 19:07:43,529 WARN L331 ript$VariableManager]: TermVariable v_~X_0~0.offset_In_3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-23 19:07:43,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:07:43,530 INFO L85 PathProgramCache]: Analyzing trace with hash 312648707, now seen corresponding path program 1 times [2025-01-23 19:07:43,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-23 19:07:43,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272411928] [2025-01-23 19:07:43,530 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:07:43,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:07:43,547 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 205 statements into 1 equivalence classes. [2025-01-23 19:07:43,739 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 205 of 205 statements. [2025-01-23 19:07:43,739 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:07:43,739 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-23 19:07:43,743 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-23 19:07:43,743 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-23 19:07:43,743 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 213 [2025-01-23 19:07:43,743 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:07:43,743 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 221 [2025-01-23 19:07:43,743 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:07:43,743 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 225 [2025-01-23 19:07:43,743 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:07:43,743 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 231 [2025-01-23 19:07:43,743 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:07:43,743 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 235 [2025-01-23 19:07:43,744 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:07:43,744 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 239 [2025-01-23 19:07:43,744 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:07:43,744 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 243 [2025-01-23 19:07:43,744 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:07:43,744 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 247 [2025-01-23 19:07:43,744 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:07:43,744 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 251 [2025-01-23 19:07:43,744 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:07:43,744 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 255 [2025-01-23 19:07:43,744 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:07:43,744 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 259 [2025-01-23 19:07:43,744 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:07:43,744 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 263 [2025-01-23 19:07:43,744 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:07:43,744 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 267 [2025-01-23 19:07:43,744 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:07:43,744 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 271 [2025-01-23 19:07:43,744 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:07:43,745 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 275 [2025-01-23 19:07:43,745 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:07:43,745 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 279 [2025-01-23 19:07:43,745 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:07:43,745 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 283 [2025-01-23 19:07:43,745 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:07:43,745 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 285 [2025-01-23 19:07:43,745 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:07:43,745 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 288 [2025-01-23 19:07:43,745 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:07:43,745 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 289 [2025-01-23 19:07:43,745 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:07:43,745 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-23 19:07:43,745 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 19:07:43,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:07:43,746 INFO L85 PathProgramCache]: Analyzing trace with hash 500884787, now seen corresponding path program 15 times [2025-01-23 19:07:43,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 19:07:43,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691768982] [2025-01-23 19:07:43,746 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-23 19:07:43,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:07:43,765 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 291 statements into 15 equivalence classes. [2025-01-23 19:07:44,672 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) and asserted 291 of 291 statements. [2025-01-23 19:07:44,672 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2025-01-23 19:07:44,672 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:07:46,950 INFO L134 CoverageAnalysis]: Checked inductivity of 1784 backedges. 975 proven. 417 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2025-01-23 19:07:46,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 19:07:46,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691768982] [2025-01-23 19:07:46,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691768982] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:07:46,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1307667873] [2025-01-23 19:07:46,951 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-23 19:07:46,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 19:07:46,951 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 19:07:46,953 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 19:07:46,954 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-01-23 19:07:47,101 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 291 statements into 15 equivalence classes. [2025-01-23 19:07:49,525 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) and asserted 291 of 291 statements. [2025-01-23 19:07:49,525 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2025-01-23 19:07:49,525 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:07:49,539 INFO L256 TraceCheckSpWp]: Trace formula consists of 1317 conjuncts, 60 conjuncts are in the unsatisfiable core [2025-01-23 19:07:49,544 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 19:07:51,792 INFO L134 CoverageAnalysis]: Checked inductivity of 1784 backedges. 392 proven. 1014 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2025-01-23 19:07:51,792 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 19:07:53,444 INFO L134 CoverageAnalysis]: Checked inductivity of 1784 backedges. 392 proven. 1014 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2025-01-23 19:07:53,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1307667873] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 19:07:53,445 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 19:07:53,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [58, 61, 34] total 149 [2025-01-23 19:07:53,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252673563] [2025-01-23 19:07:53,445 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 19:07:53,445 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 149 states [2025-01-23 19:07:53,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 19:07:53,447 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 149 interpolants. [2025-01-23 19:07:53,448 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1892, Invalid=20160, Unknown=0, NotChecked=0, Total=22052 [2025-01-23 19:07:53,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:07:53,449 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 19:07:53,449 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 149 states, 149 states have (on average 4.865771812080537) internal successors, (725), 149 states have internal predecessors, (725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 19:07:53,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:07:53,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-23 19:07:53,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:07:53,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 19:07:53,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-23 19:07:53,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-23 19:07:53,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:07:53,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-23 19:07:53,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-23 19:07:53,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-23 19:07:53,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-01-23 19:07:53,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-23 19:07:53,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2025-01-23 19:07:53,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-01-23 19:07:53,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2025-01-23 19:07:53,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2025-01-23 19:07:53,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-01-23 19:07:53,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:07:56,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:07:56,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-23 19:07:56,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:07:56,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 19:07:56,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 19:07:56,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-23 19:07:56,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:07:56,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-23 19:07:56,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-23 19:07:56,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-23 19:07:56,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-23 19:07:56,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-23 19:07:56,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-01-23 19:07:56,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-23 19:07:56,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2025-01-23 19:07:56,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2025-01-23 19:07:56,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-01-23 19:07:56,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-01-23 19:07:56,185 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2025-01-23 19:07:56,371 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,16 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2025-01-23 19:07:56,372 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-23 19:07:56,372 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 19:07:56,372 INFO L139 ounterexampleChecker]: Examining path program with hash 524901068, occurence #4 [2025-01-23 19:07:56,372 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-23 19:07:56,372 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-23 19:07:56,372 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:07:56,372 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2025-01-23 19:07:56,372 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:07:56,372 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-01-23 19:07:56,373 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:07:56,373 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2025-01-23 19:07:56,373 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:07:56,373 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2025-01-23 19:07:56,373 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:07:56,373 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 237 [2025-01-23 19:07:56,404 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-23 19:07:56,404 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 3 [2025-01-23 19:07:57,436 WARN L331 ript$VariableManager]: TermVariable v_~X_0~0.base_In_4 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-23 19:07:57,436 WARN L331 ript$VariableManager]: TermVariable v_~X_0~0.offset_In_4 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-23 19:07:57,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:07:57,437 INFO L85 PathProgramCache]: Analyzing trace with hash 1786961861, now seen corresponding path program 1 times [2025-01-23 19:07:57,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-23 19:07:57,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141107298] [2025-01-23 19:07:57,437 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:07:57,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:07:57,457 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 238 statements into 1 equivalence classes. [2025-01-23 19:07:57,487 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 238 of 238 statements. [2025-01-23 19:07:57,487 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:07:57,488 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:07:59,488 INFO L134 CoverageAnalysis]: Checked inductivity of 1771 backedges. 1320 proven. 451 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 19:07:59,488 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-23 19:07:59,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141107298] [2025-01-23 19:07:59,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141107298] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:07:59,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [195212493] [2025-01-23 19:07:59,489 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:07:59,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:07:59,506 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 238 statements into 1 equivalence classes. [2025-01-23 19:07:59,544 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 238 of 238 statements. [2025-01-23 19:07:59,544 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:07:59,545 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:07:59,547 INFO L256 TraceCheckSpWp]: Trace formula consists of 1123 conjuncts, 64 conjuncts are in the unsatisfiable core [2025-01-23 19:07:59,550 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 19:08:01,822 INFO L134 CoverageAnalysis]: Checked inductivity of 1771 backedges. 1365 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 19:08:01,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [195212493] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:08:01,822 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-23 19:08:01,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [62, 62] total 122 [2025-01-23 19:08:01,823 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-23 19:08:01,823 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 246 [2025-01-23 19:08:01,823 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:08:01,823 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 254 [2025-01-23 19:08:01,823 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:08:01,823 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 258 [2025-01-23 19:08:01,823 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:08:01,823 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 264 [2025-01-23 19:08:01,823 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:08:01,823 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 268 [2025-01-23 19:08:01,823 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:08:01,823 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 272 [2025-01-23 19:08:01,823 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:08:01,823 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 276 [2025-01-23 19:08:01,823 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:08:01,823 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 280 [2025-01-23 19:08:01,823 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:08:01,824 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 284 [2025-01-23 19:08:01,824 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:08:01,824 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 288 [2025-01-23 19:08:01,824 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:08:01,824 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 292 [2025-01-23 19:08:01,824 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:08:01,824 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 296 [2025-01-23 19:08:01,824 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:08:01,824 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 300 [2025-01-23 19:08:01,824 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:08:01,824 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 304 [2025-01-23 19:08:01,824 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:08:01,824 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 308 [2025-01-23 19:08:01,824 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:08:01,824 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 312 [2025-01-23 19:08:01,824 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:08:01,824 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 316 [2025-01-23 19:08:01,825 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:08:01,825 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 318 [2025-01-23 19:08:01,825 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:08:01,825 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 321 [2025-01-23 19:08:01,825 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:08:01,825 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 322 [2025-01-23 19:08:01,825 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:08:01,825 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-23 19:08:01,825 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 19:08:01,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:08:01,825 INFO L85 PathProgramCache]: Analyzing trace with hash 1969650688, now seen corresponding path program 16 times [2025-01-23 19:08:01,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 19:08:01,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248861023] [2025-01-23 19:08:01,826 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-23 19:08:01,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:08:01,879 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 324 statements into 2 equivalence classes. [2025-01-23 19:08:01,903 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 162 of 324 statements. [2025-01-23 19:08:01,903 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-23 19:08:01,903 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:08:02,860 INFO L134 CoverageAnalysis]: Checked inductivity of 2211 backedges. 1365 proven. 440 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2025-01-23 19:08:02,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 19:08:02,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248861023] [2025-01-23 19:08:02,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1248861023] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:08:02,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [650988947] [2025-01-23 19:08:02,860 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-23 19:08:02,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 19:08:02,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 19:08:02,862 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 19:08:02,863 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-01-23 19:08:03,013 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 324 statements into 2 equivalence classes. [2025-01-23 19:08:03,056 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 162 of 324 statements. [2025-01-23 19:08:03,056 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-23 19:08:03,056 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:08:03,058 INFO L256 TraceCheckSpWp]: Trace formula consists of 547 conjuncts, 68 conjuncts are in the unsatisfiable core [2025-01-23 19:08:03,061 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 19:08:05,182 INFO L134 CoverageAnalysis]: Checked inductivity of 2211 backedges. 0 proven. 1805 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2025-01-23 19:08:05,183 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 19:08:06,012 INFO L134 CoverageAnalysis]: Checked inductivity of 2211 backedges. 1365 proven. 440 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2025-01-23 19:08:06,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [650988947] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 19:08:06,012 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 19:08:06,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 69, 37] total 103 [2025-01-23 19:08:06,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259849875] [2025-01-23 19:08:06,012 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 19:08:06,013 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 103 states [2025-01-23 19:08:06,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 19:08:06,014 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 103 interpolants. [2025-01-23 19:08:06,016 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1347, Invalid=9159, Unknown=0, NotChecked=0, Total=10506 [2025-01-23 19:08:06,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:08:06,016 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 19:08:06,016 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 103 states, 103 states have (on average 5.504854368932039) internal successors, (567), 103 states have internal predecessors, (567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 19:08:06,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:08:06,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-23 19:08:06,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:08:06,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 19:08:06,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-23 19:08:06,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-23 19:08:06,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:08:06,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-23 19:08:06,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-23 19:08:06,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-23 19:08:06,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-01-23 19:08:06,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-23 19:08:06,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2025-01-23 19:08:06,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-01-23 19:08:06,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2025-01-23 19:08:06,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2025-01-23 19:08:06,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-01-23 19:08:06,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2025-01-23 19:08:06,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:08:12,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:08:12,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-23 19:08:12,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:08:12,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 19:08:12,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 19:08:12,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-23 19:08:12,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:08:12,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-23 19:08:12,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-23 19:08:12,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-23 19:08:12,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-23 19:08:12,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-23 19:08:12,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-01-23 19:08:12,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-23 19:08:12,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2025-01-23 19:08:12,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2025-01-23 19:08:12,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-01-23 19:08:12,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-01-23 19:08:12,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2025-01-23 19:08:12,091 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2025-01-23 19:08:12,288 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23,SelfDestructingSolverStorable24,SelfDestructingSolverStorable25 [2025-01-23 19:08:12,288 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-23 19:08:12,288 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 19:08:12,289 INFO L139 ounterexampleChecker]: Examining path program with hash 61306070, occurence #1 [2025-01-23 19:08:12,289 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 19:08:12,289 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 19:08:12,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:08:12,290 INFO L85 PathProgramCache]: Analyzing trace with hash -178943028, now seen corresponding path program 17 times [2025-01-23 19:08:12,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 19:08:12,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955937631] [2025-01-23 19:08:12,290 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-23 19:08:12,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:08:12,320 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 572 statements into 35 equivalence classes. [2025-01-23 19:08:13,630 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 35 check-sat command(s) and asserted 572 of 572 statements. [2025-01-23 19:08:13,630 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 35 check-sat command(s) [2025-01-23 19:08:13,630 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:08:19,527 INFO L134 CoverageAnalysis]: Checked inductivity of 7969 backedges. 7563 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 19:08:19,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 19:08:19,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955937631] [2025-01-23 19:08:19,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955937631] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:08:19,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1272667019] [2025-01-23 19:08:19,528 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-23 19:08:19,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 19:08:19,528 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 19:08:19,530 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 19:08:19,531 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-01-23 19:08:19,734 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 572 statements into 35 equivalence classes. [2025-01-23 19:12:59,987 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 35 check-sat command(s) and asserted 572 of 572 statements. [2025-01-23 19:12:59,988 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 35 check-sat command(s) [2025-01-23 19:12:59,988 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:13:00,027 INFO L256 TraceCheckSpWp]: Trace formula consists of 2376 conjuncts, 102 conjuncts are in the unsatisfiable core [2025-01-23 19:13:00,033 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 19:13:05,259 INFO L134 CoverageAnalysis]: Checked inductivity of 7969 backedges. 7106 proven. 406 refuted. 0 times theorem prover too weak. 457 trivial. 0 not checked. [2025-01-23 19:13:05,259 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 19:13:11,166 INFO L134 CoverageAnalysis]: Checked inductivity of 7969 backedges. 7106 proven. 406 refuted. 0 times theorem prover too weak. 457 trivial. 0 not checked. [2025-01-23 19:13:11,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1272667019] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 19:13:11,166 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 19:13:11,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [85, 100, 100] total 282 [2025-01-23 19:13:11,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569088523] [2025-01-23 19:13:11,167 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 19:13:11,168 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 283 states [2025-01-23 19:13:11,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 19:13:11,172 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 283 interpolants. [2025-01-23 19:13:11,178 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16602, Invalid=63204, Unknown=0, NotChecked=0, Total=79806 [2025-01-23 19:13:11,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:13:11,178 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 19:13:11,179 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 283 states, 283 states have (on average 5.30035335689046) internal successors, (1500), 282 states have internal predecessors, (1500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 19:13:11,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:13:11,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-23 19:13:11,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:13:11,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 19:13:11,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-23 19:13:11,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-23 19:13:11,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:13:11,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-23 19:13:11,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-23 19:13:11,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-23 19:13:11,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-01-23 19:13:11,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-23 19:13:11,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2025-01-23 19:13:11,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-01-23 19:13:11,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2025-01-23 19:13:11,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2025-01-23 19:13:11,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-01-23 19:13:11,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2025-01-23 19:13:11,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2025-01-23 19:13:11,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:13:11,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:13:11,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-23 19:13:11,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:13:11,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 19:13:11,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 19:13:11,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-23 19:13:11,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 19:13:11,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-23 19:13:11,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-23 19:13:11,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-23 19:13:11,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-23 19:13:11,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-23 19:13:11,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-01-23 19:13:11,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-23 19:13:11,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2025-01-23 19:13:11,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2025-01-23 19:13:11,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-01-23 19:13:11,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-01-23 19:13:11,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2025-01-23 19:13:11,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2025-01-23 19:13:11,961 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forcibly destroying the process [2025-01-23 19:13:12,161 FATAL L548 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Could not destroy process within 200 ms, abandoning it [2025-01-23 19:13:12,162 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2025-01-23 19:13:12,162 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-23 19:13:12,162 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 19:13:12,162 INFO L139 ounterexampleChecker]: Examining path program with hash 61306070, occurence #2 [2025-01-23 19:13:12,162 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-23 19:13:12,162 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-23 19:13:12,162 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:13:12,162 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2025-01-23 19:13:12,162 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:13:12,162 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 64 [2025-01-23 19:13:12,162 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:13:12,162 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 66 [2025-01-23 19:13:12,162 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:13:12,162 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2025-01-23 19:13:12,162 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:13:12,162 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 485 [2025-01-23 19:13:12,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:13:12,312 INFO L85 PathProgramCache]: Analyzing trace with hash 1190633029, now seen corresponding path program 1 times [2025-01-23 19:13:12,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-23 19:13:12,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029071942] [2025-01-23 19:13:12,313 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:13:12,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:13:12,381 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 486 statements into 1 equivalence classes. [2025-01-23 19:13:12,542 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 486 of 486 statements. [2025-01-23 19:13:12,542 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:13:12,542 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:13:22,039 INFO L134 CoverageAnalysis]: Checked inductivity of 8311 backedges. 6501 proven. 1810 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 19:13:22,039 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-23 19:13:22,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029071942] [2025-01-23 19:13:22,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029071942] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:13:22,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1009187186] [2025-01-23 19:13:22,039 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:13:22,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:13:22,074 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 486 statements into 1 equivalence classes. [2025-01-23 19:13:22,194 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 486 of 486 statements. [2025-01-23 19:13:22,195 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:13:22,195 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:13:22,204 INFO L256 TraceCheckSpWp]: Trace formula consists of 2213 conjuncts, 132 conjuncts are in the unsatisfiable core [2025-01-23 19:13:22,209 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 19:13:30,438 INFO L134 CoverageAnalysis]: Checked inductivity of 8311 backedges. 6600 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 19:13:30,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1009187186] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:13:30,439 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-23 19:13:30,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [130, 130] total 258 [2025-01-23 19:13:30,439 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-23 19:13:30,439 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 495 [2025-01-23 19:13:30,471 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-23 19:13:30,471 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 3 [2025-01-23 19:13:32,499 WARN L331 ript$VariableManager]: TermVariable v_~X_0~0.base_In_5 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-23 19:13:32,500 WARN L331 ript$VariableManager]: TermVariable v_~i_3~0_In_5 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-23 19:13:32,500 WARN L331 ript$VariableManager]: TermVariable v_~X_0~0.offset_In_5 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-23 19:13:32,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:13:32,500 INFO L85 PathProgramCache]: Analyzing trace with hash -1821460712, now seen corresponding path program 1 times [2025-01-23 19:13:32,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-23 19:13:32,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092010802] [2025-01-23 19:13:32,500 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:13:32,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:13:32,532 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 496 statements into 1 equivalence classes. [2025-01-23 19:13:32,635 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 496 of 496 statements. [2025-01-23 19:13:32,636 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:13:32,636 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:13:41,670 INFO L134 CoverageAnalysis]: Checked inductivity of 8579 backedges. 6769 proven. 1810 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 19:13:41,670 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-23 19:13:41,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092010802] [2025-01-23 19:13:41,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092010802] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:13:41,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [764082674] [2025-01-23 19:13:41,671 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:13:41,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:13:41,703 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 496 statements into 1 equivalence classes. [2025-01-23 19:13:41,824 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 496 of 496 statements. [2025-01-23 19:13:41,824 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:13:41,824 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:13:41,831 INFO L256 TraceCheckSpWp]: Trace formula consists of 2248 conjuncts, 132 conjuncts are in the unsatisfiable core [2025-01-23 19:13:41,837 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 19:13:50,349 INFO L134 CoverageAnalysis]: Checked inductivity of 8579 backedges. 6868 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 19:13:50,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [764082674] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:13:50,349 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-23 19:13:50,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [130, 130] total 258 [2025-01-23 19:13:50,349 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-23 19:13:50,350 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 511 [2025-01-23 19:13:50,388 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-23 19:13:50,388 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 3 [2025-01-23 19:13:51,411 WARN L331 ript$VariableManager]: TermVariable v_~X_0~0.offset_In_6 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-23 19:13:51,411 WARN L331 ript$VariableManager]: TermVariable v_~X_0~0.base_In_6 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-23 19:13:51,411 WARN L331 ript$VariableManager]: TermVariable v_~i_3~0_In_6 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-23 19:13:51,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:13:51,412 INFO L85 PathProgramCache]: Analyzing trace with hash -877287351, now seen corresponding path program 1 times [2025-01-23 19:13:51,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-23 19:13:51,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520297729] [2025-01-23 19:13:51,412 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:13:51,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:13:51,446 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 512 statements into 1 equivalence classes. [2025-01-23 19:13:51,563 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 512 of 512 statements. [2025-01-23 19:13:51,564 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:13:51,564 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:14:01,346 INFO L134 CoverageAnalysis]: Checked inductivity of 8715 backedges. 6902 proven. 1813 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 19:14:01,346 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-23 19:14:01,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520297729] [2025-01-23 19:14:01,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520297729] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:14:01,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [538413326] [2025-01-23 19:14:01,346 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:14:01,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:14:01,438 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 512 statements into 1 equivalence classes. [2025-01-23 19:14:01,582 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 512 of 512 statements. [2025-01-23 19:14:01,583 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:14:01,583 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:14:01,590 INFO L256 TraceCheckSpWp]: Trace formula consists of 2308 conjuncts, 134 conjuncts are in the unsatisfiable core [2025-01-23 19:14:01,596 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 19:14:10,281 INFO L134 CoverageAnalysis]: Checked inductivity of 8715 backedges. 7004 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 19:14:10,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [538413326] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:14:10,282 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-23 19:14:10,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [132, 132] total 262 [2025-01-23 19:14:10,284 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-23 19:14:10,284 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 520 [2025-01-23 19:14:10,284 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:14:10,284 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 528 [2025-01-23 19:14:10,285 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:14:10,285 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 532 [2025-01-23 19:14:10,285 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:14:10,285 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 538 [2025-01-23 19:14:10,285 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:14:10,285 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 542 [2025-01-23 19:14:10,285 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:14:10,285 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 546 [2025-01-23 19:14:10,285 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:14:10,285 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 550 [2025-01-23 19:14:10,285 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:14:10,285 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 554 [2025-01-23 19:14:10,285 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:14:10,285 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 558 [2025-01-23 19:14:10,285 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:14:10,285 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 562 [2025-01-23 19:14:10,285 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:14:10,285 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 566 [2025-01-23 19:14:10,285 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:14:10,285 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 570 [2025-01-23 19:14:10,285 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:14:10,285 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 574 [2025-01-23 19:14:10,285 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:14:10,285 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 578 [2025-01-23 19:14:10,285 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:14:10,285 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 582 [2025-01-23 19:14:10,285 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:14:10,285 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 586 [2025-01-23 19:14:10,285 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:14:10,285 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 590 [2025-01-23 19:14:10,285 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:14:10,285 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 594 [2025-01-23 19:14:10,285 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:14:10,285 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 596 [2025-01-23 19:14:10,285 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:14:10,285 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 599 [2025-01-23 19:14:10,285 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:14:10,285 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 600 [2025-01-23 19:14:10,285 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:14:10,285 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-23 19:14:10,285 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 19:14:10,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:14:10,286 INFO L85 PathProgramCache]: Analyzing trace with hash -732414804, now seen corresponding path program 18 times [2025-01-23 19:14:10,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 19:14:10,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658696667] [2025-01-23 19:14:10,286 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-23 19:14:10,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:14:10,361 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 602 statements into 35 equivalence classes. [2025-01-23 19:14:27,190 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 35 check-sat command(s) and asserted 602 of 602 statements. [2025-01-23 19:14:27,190 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 35 check-sat command(s) [2025-01-23 19:14:27,190 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:14:35,933 INFO L134 CoverageAnalysis]: Checked inductivity of 9274 backedges. 1653 proven. 7621 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 19:14:35,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 19:14:35,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658696667] [2025-01-23 19:14:35,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658696667] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:14:35,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [599834513] [2025-01-23 19:14:35,933 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-23 19:14:35,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 19:14:35,934 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 19:14:35,936 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 19:14:35,937 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2025-01-23 19:14:36,198 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 602 statements into 35 equivalence classes. Killed by 15