./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/weaver/popl20-more-buffer-mult2.wvr.c --full-output --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1f73d82f Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../sv-benchmarks/c/weaver/popl20-more-buffer-mult2.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 dbff9cba9b3794b18d55ca52c1abf6279404a7b220f91d79730a04b586f9ee44 --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT --- Real Ultimate output --- This is Ultimate 0.3.0-dev-1f73d82-m [2024-11-21 16:02:53,234 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-21 16:02:53,333 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-11-21 16:02:53,341 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-21 16:02:53,341 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-21 16:02:53,368 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-21 16:02:53,369 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-21 16:02:53,369 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-21 16:02:53,369 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-21 16:02:53,370 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-21 16:02:53,370 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-21 16:02:53,371 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-21 16:02:53,371 INFO L153 SettingsManager]: * Use SBE=true [2024-11-21 16:02:53,371 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-21 16:02:53,371 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-21 16:02:53,371 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-21 16:02:53,372 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-21 16:02:53,372 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-21 16:02:53,372 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-21 16:02:53,372 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-21 16:02:53,373 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-21 16:02:53,373 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-21 16:02:53,373 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-21 16:02:53,373 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-21 16:02:53,373 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-21 16:02:53,373 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-21 16:02:53,373 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-21 16:02:53,373 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-21 16:02:53,374 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-21 16:02:53,374 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-21 16:02:53,374 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-21 16:02:53,375 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-21 16:02:53,375 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-21 16:02:53,375 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-21 16:02:53,375 INFO L153 SettingsManager]: * Commutativity condition synthesis=SUFFICIENT [2024-11-21 16:02:53,375 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-21 16:02:53,375 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-21 16:02:53,375 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-11-21 16:02:53,375 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-21 16:02:53,375 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-21 16:02:53,375 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-21 16:02:53,375 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-21 16:02:53,375 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-21 16:02:53,375 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 -> dbff9cba9b3794b18d55ca52c1abf6279404a7b220f91d79730a04b586f9ee44 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NECESSARY_AND_SUFFICIENT [2024-11-21 16:02:53,641 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-21 16:02:53,650 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-21 16:02:53,652 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-21 16:02:53,653 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-21 16:02:53,653 INFO L274 PluginConnector]: CDTParser initialized [2024-11-21 16:02:53,654 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/weaver/popl20-more-buffer-mult2.wvr.c [2024-11-21 16:02:54,978 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/e3657d3ff/4a5a7cd4f03c47ef9d7563a47d11a165/FLAGb4d7860f7 [2024-11-21 16:02:55,200 INFO L384 CDTParser]: Found 1 translation units. [2024-11-21 16:02:55,202 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more-buffer-mult2.wvr.c [2024-11-21 16:02:55,211 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/e3657d3ff/4a5a7cd4f03c47ef9d7563a47d11a165/FLAGb4d7860f7 [2024-11-21 16:02:55,227 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/e3657d3ff/4a5a7cd4f03c47ef9d7563a47d11a165 [2024-11-21 16:02:55,229 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-21 16:02:55,231 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-21 16:02:55,233 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-21 16:02:55,233 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-21 16:02:55,236 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-21 16:02:55,237 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:02:55" (1/1) ... [2024-11-21 16:02:55,238 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@99be508 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:02:55, skipping insertion in model container [2024-11-21 16:02:55,238 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:02:55" (1/1) ... [2024-11-21 16:02:55,257 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-21 16:02:55,434 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more-buffer-mult2.wvr.c[4151,4164] [2024-11-21 16:02:55,451 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 16:02:55,462 INFO L200 MainTranslator]: Completed pre-run [2024-11-21 16:02:55,494 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more-buffer-mult2.wvr.c[4151,4164] [2024-11-21 16:02:55,501 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 16:02:55,515 INFO L204 MainTranslator]: Completed translation [2024-11-21 16:02:55,515 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:02:55 WrapperNode [2024-11-21 16:02:55,515 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-21 16:02:55,516 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-21 16:02:55,516 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-21 16:02:55,516 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-21 16:02:55,521 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:02:55" (1/1) ... [2024-11-21 16:02:55,528 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:02:55" (1/1) ... [2024-11-21 16:02:55,554 INFO L138 Inliner]: procedures = 26, calls = 56, calls flagged for inlining = 18, calls inlined = 22, statements flattened = 286 [2024-11-21 16:02:55,554 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-21 16:02:55,555 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-21 16:02:55,555 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-21 16:02:55,555 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-21 16:02:55,565 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:02:55" (1/1) ... [2024-11-21 16:02:55,565 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:02:55" (1/1) ... [2024-11-21 16:02:55,569 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:02:55" (1/1) ... [2024-11-21 16:02:55,569 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:02:55" (1/1) ... [2024-11-21 16:02:55,578 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:02:55" (1/1) ... [2024-11-21 16:02:55,581 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:02:55" (1/1) ... [2024-11-21 16:02:55,588 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:02:55" (1/1) ... [2024-11-21 16:02:55,590 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:02:55" (1/1) ... [2024-11-21 16:02:55,594 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:02:55" (1/1) ... [2024-11-21 16:02:55,596 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-21 16:02:55,599 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-21 16:02:55,599 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-21 16:02:55,600 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-21 16:02:55,601 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:02:55" (1/1) ... [2024-11-21 16:02:55,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-21 16:02:55,621 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:02:55,633 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-21 16:02:55,636 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-21 16:02:55,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-21 16:02:55,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-21 16:02:55,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-21 16:02:55,658 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-21 16:02:55,658 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-21 16:02:55,658 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-21 16:02:55,658 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-21 16:02:55,658 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-21 16:02:55,658 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-21 16:02:55,658 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-11-21 16:02:55,658 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-11-21 16:02:55,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-21 16:02:55,658 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-21 16:02:55,658 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-21 16:02:55,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-21 16:02:55,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-21 16:02:55,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-21 16:02:55,660 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-21 16:02:55,752 INFO L234 CfgBuilder]: Building ICFG [2024-11-21 16:02:55,755 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-21 16:02:56,224 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-21 16:02:56,224 INFO L283 CfgBuilder]: Performing block encoding [2024-11-21 16:02:56,567 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-21 16:02:56,567 INFO L312 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-21 16:02:56,567 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:02:56 BoogieIcfgContainer [2024-11-21 16:02:56,568 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-21 16:02:56,571 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-21 16:02:56,571 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-21 16:02:56,575 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-21 16:02:56,575 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 04:02:55" (1/3) ... [2024-11-21 16:02:56,576 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a12ebcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:02:56, skipping insertion in model container [2024-11-21 16:02:56,576 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:02:55" (2/3) ... [2024-11-21 16:02:56,576 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a12ebcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:02:56, skipping insertion in model container [2024-11-21 16:02:56,577 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:02:56" (3/3) ... [2024-11-21 16:02:56,578 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-more-buffer-mult2.wvr.c [2024-11-21 16:02:56,592 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-21 16:02:56,594 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-more-buffer-mult2.wvr.c that has 5 procedures, 43 locations, 1 initial locations, 6 loop locations, and 1 error locations. [2024-11-21 16:02:56,595 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-21 16:02:56,660 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-11-21 16:02:56,707 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 16:02:56,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-21 16:02:56,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:02:56,711 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-21 16:02:56,712 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-21 16:02:56,796 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-21 16:02:56,824 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-21 16:02:56,831 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;@2e959283, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 16:02:56,832 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-11-21 16:02:58,051 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-21 16:02:58,051 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:02:58,052 INFO L139 ounterexampleChecker]: Examining path program with hash -1146611123, occurence #1 [2024-11-21 16:02:58,052 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 16:02:58,052 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:02:58,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:02:58,057 INFO L85 PathProgramCache]: Analyzing trace with hash 2019548881, now seen corresponding path program 1 times [2024-11-21 16:02:58,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:02:58,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501110048] [2024-11-21 16:02:58,066 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:02:58,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:02:58,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:02:59,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 16:02:59,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:02:59,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501110048] [2024-11-21 16:02:59,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [501110048] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 16:02:59,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 16:02:59,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-21 16:02:59,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131764141] [2024-11-21 16:02:59,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 16:02:59,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-21 16:02:59,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:02:59,103 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-21 16:02:59,104 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-21 16:02:59,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:02:59,107 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:02:59,108 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 16:02:59,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:02:59,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:02:59,232 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-21 16:02:59,232 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-21 16:02:59,232 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:02:59,233 INFO L139 ounterexampleChecker]: Examining path program with hash -1146611123, occurence #2 [2024-11-21 16:02:59,233 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:02:59,233 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 16:02:59,234 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:02:59,234 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2024-11-21 16:02:59,234 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:02:59,234 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-11-21 16:02:59,247 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:02:59,247 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-11-21 16:02:59,247 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:02:59,247 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-11-21 16:02:59,248 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:02:59,248 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-11-21 16:02:59,248 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:02:59,248 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2024-11-21 16:02:59,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:02:59,345 INFO L85 PathProgramCache]: Analyzing trace with hash -1687310748, now seen corresponding path program 1 times [2024-11-21 16:02:59,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:02:59,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146966748] [2024-11-21 16:02:59,345 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:02:59,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:02:59,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:02:59,635 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 16:02:59,635 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:02:59,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146966748] [2024-11-21 16:02:59,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146966748] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 16:02:59,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 16:02:59,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-21 16:02:59,637 INFO L172 ounterexampleChecker]: Successfully proved commutativity at non-minimality point 61. Constructing proof automaton... [2024-11-21 16:02:59,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 16:02:59,638 INFO L309 artialOrderCegarLoop]: Commutativity proof succeeded, skipping feasibility check. [2024-11-21 16:02:59,639 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-21 16:02:59,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SMTINTERPOL [2024-11-21 16:02:59,640 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-21 16:02:59,640 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-21 16:02:59,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:02:59,642 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:02:59,642 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 16:02:59,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:02:59,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:02:59,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:02:59,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:02:59,747 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-21 16:02:59,748 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-21 16:02:59,748 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:02:59,748 INFO L139 ounterexampleChecker]: Examining path program with hash -1146611123, occurence #3 [2024-11-21 16:02:59,748 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:02:59,749 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 16:02:59,749 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:02:59,749 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2024-11-21 16:02:59,749 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:02:59,749 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2024-11-21 16:02:59,749 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:02:59,750 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-11-21 16:02:59,750 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:02:59,750 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-21 16:02:59,750 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:02:59,750 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2024-11-21 16:02:59,750 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:02:59,750 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 62 [2024-11-21 16:02:59,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:02:59,828 INFO L85 PathProgramCache]: Analyzing trace with hash -647940265, now seen corresponding path program 1 times [2024-11-21 16:02:59,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:02:59,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392893869] [2024-11-21 16:02:59,828 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:02:59,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:02:59,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:03:00,228 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 16:03:00,229 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:03:00,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392893869] [2024-11-21 16:03:00,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392893869] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:03:00,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1387422556] [2024-11-21 16:03:00,230 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:03:00,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:03:00,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:03:00,304 INFO L256 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-21 16:03:00,311 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:03:00,454 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 16:03:00,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1387422556] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:03:00,454 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:03:00,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-21 16:03:00,457 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:03:00,457 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 70 [2024-11-21 16:03:00,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:03:00,570 INFO L85 PathProgramCache]: Analyzing trace with hash 1800634488, now seen corresponding path program 1 times [2024-11-21 16:03:00,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:03:00,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569928403] [2024-11-21 16:03:00,570 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:03:00,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:03:00,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:03:00,883 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 16:03:00,883 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:03:00,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569928403] [2024-11-21 16:03:00,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569928403] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:03:00,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [67035807] [2024-11-21 16:03:00,884 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:03:00,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:03:00,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:03:00,963 INFO L256 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-21 16:03:00,966 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:03:01,079 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 16:03:01,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [67035807] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:03:01,079 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:03:01,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-21 16:03:01,079 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:03:01,080 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 90 [2024-11-21 16:03:01,080 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:03:01,080 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 16:03:01,080 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:03:01,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:03:01,080 INFO L85 PathProgramCache]: Analyzing trace with hash 1398571295, now seen corresponding path program 1 times [2024-11-21 16:03:01,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:03:01,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547516149] [2024-11-21 16:03:01,080 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:03:01,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:03:01,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:03:01,496 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 16:03:01,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:03:01,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547516149] [2024-11-21 16:03:01,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547516149] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:03:01,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [358125176] [2024-11-21 16:03:01,497 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:03:01,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:03:01,497 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:03:01,521 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 16:03:01,523 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-21 16:03:01,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:03:01,694 INFO L256 TraceCheckSpWp]: Trace formula consists of 516 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-21 16:03:01,699 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:03:01,819 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 16:03:01,821 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:03:01,962 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 16:03:01,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [358125176] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:03:01,963 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:03:01,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-11-21 16:03:01,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564291055] [2024-11-21 16:03:01,963 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:03:01,964 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-21 16:03:01,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:03:01,966 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-21 16:03:01,966 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-21 16:03:01,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:03:01,967 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:03:01,967 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.166666666666667) internal successors, (86), 11 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 16:03:01,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:01,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:01,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:03:02,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:02,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:02,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:03:02,219 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-21 16:03:02,402 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3,SelfDestructingSolverStorable2,SelfDestructingSolverStorable6,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-21 16:03:02,402 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-21 16:03:02,402 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:03:02,402 INFO L139 ounterexampleChecker]: Examining path program with hash -1146611123, occurence #4 [2024-11-21 16:03:02,402 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:03:02,403 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 16:03:02,403 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:03:02,403 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2024-11-21 16:03:02,403 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:03:02,403 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-11-21 16:03:02,403 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:03:02,403 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2024-11-21 16:03:02,403 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:03:02,403 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-11-21 16:03:02,403 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:03:02,403 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-11-21 16:03:02,403 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:03:02,403 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 63 [2024-11-21 16:03:02,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:03:02,487 INFO L85 PathProgramCache]: Analyzing trace with hash 661652831, now seen corresponding path program 1 times [2024-11-21 16:03:02,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:03:02,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227196850] [2024-11-21 16:03:02,487 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:03:02,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:03:02,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:03:02,781 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 16:03:02,782 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:03:02,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227196850] [2024-11-21 16:03:02,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227196850] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:03:02,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1502824541] [2024-11-21 16:03:02,782 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:03:02,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:03:02,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:03:02,821 INFO L256 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-21 16:03:02,824 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:03:03,017 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 16:03:03,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1502824541] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:03:03,021 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:03:03,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2024-11-21 16:03:03,022 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:03:03,022 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2024-11-21 16:03:03,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:03:03,107 INFO L85 PathProgramCache]: Analyzing trace with hash 87895168, now seen corresponding path program 1 times [2024-11-21 16:03:03,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:03:03,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877352097] [2024-11-21 16:03:03,108 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:03:03,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:03:03,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:03:03,455 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 16:03:03,455 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:03:03,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877352097] [2024-11-21 16:03:03,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877352097] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:03:03,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [777217217] [2024-11-21 16:03:03,456 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:03:03,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:03:03,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:03:03,526 INFO L256 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-21 16:03:03,528 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:03:03,719 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 16:03:03,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [777217217] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:03:03,719 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:03:03,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2024-11-21 16:03:03,719 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:03:03,719 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 91 [2024-11-21 16:03:03,719 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:03:03,719 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 16:03:03,719 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:03:03,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:03:03,720 INFO L85 PathProgramCache]: Analyzing trace with hash -1487637795, now seen corresponding path program 2 times [2024-11-21 16:03:03,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:03:03,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743435583] [2024-11-21 16:03:03,721 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:03:03,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:03:03,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:03:04,135 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 16:03:04,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:03:04,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743435583] [2024-11-21 16:03:04,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743435583] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:03:04,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [87357672] [2024-11-21 16:03:04,136 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 16:03:04,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:03:04,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:03:04,139 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 16:03:04,140 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-21 16:03:04,308 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-21 16:03:04,309 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 16:03:04,311 INFO L256 TraceCheckSpWp]: Trace formula consists of 498 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-21 16:03:04,316 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:03:04,431 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-21 16:03:04,432 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-21 16:03:04,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [87357672] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 16:03:04,432 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-21 16:03:04,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2024-11-21 16:03:04,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167889580] [2024-11-21 16:03:04,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 16:03:04,433 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-21 16:03:04,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:03:04,433 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-21 16:03:04,433 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-21 16:03:04,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:03:04,434 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:03:04,434 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 16:03:04,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:04,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:04,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:03:04,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:03:04,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:04,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:04,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:03:04,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:04,627 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-21 16:03:04,810 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable9,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:03:04,811 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-21 16:03:04,811 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:03:04,811 INFO L139 ounterexampleChecker]: Examining path program with hash 657122257, occurence #1 [2024-11-21 16:03:04,811 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 16:03:04,811 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:03:04,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:03:04,811 INFO L85 PathProgramCache]: Analyzing trace with hash 402416271, now seen corresponding path program 3 times [2024-11-21 16:03:04,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:03:04,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402747466] [2024-11-21 16:03:04,812 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:03:04,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:03:04,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:03:05,463 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-21 16:03:05,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:03:05,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402747466] [2024-11-21 16:03:05,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [402747466] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:03:05,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [591337051] [2024-11-21 16:03:05,464 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-21 16:03:05,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:03:05,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:03:05,466 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 16:03:05,468 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-21 16:03:05,657 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-21 16:03:05,657 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 16:03:05,661 INFO L256 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-21 16:03:05,665 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:03:06,306 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-21 16:03:06,307 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-21 16:03:06,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [591337051] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 16:03:06,307 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-21 16:03:06,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [7] total 26 [2024-11-21 16:03:06,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715343612] [2024-11-21 16:03:06,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 16:03:06,308 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-21 16:03:06,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:03:06,308 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-21 16:03:06,309 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=163, Invalid=487, Unknown=0, NotChecked=0, Total=650 [2024-11-21 16:03:06,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:03:06,309 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:03:06,309 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 5.75) internal successors, (115), 20 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 16:03:06,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:06,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:06,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:03:06,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:06,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:03:09,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:09,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:09,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:03:09,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:09,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-21 16:03:09,903 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-21 16:03:10,089 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:03:10,090 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-21 16:03:10,090 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:03:10,090 INFO L139 ounterexampleChecker]: Examining path program with hash 954846652, occurence #1 [2024-11-21 16:03:10,090 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 16:03:10,090 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:03:10,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:03:10,091 INFO L85 PathProgramCache]: Analyzing trace with hash -1436025022, now seen corresponding path program 4 times [2024-11-21 16:03:10,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:03:10,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866687267] [2024-11-21 16:03:10,091 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:03:10,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:03:10,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:03:11,173 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 84 proven. 36 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2024-11-21 16:03:11,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:03:11,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866687267] [2024-11-21 16:03:11,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866687267] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:03:11,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [311266413] [2024-11-21 16:03:11,173 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-21 16:03:11,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:03:11,173 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:03:11,176 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 16:03:11,177 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-21 16:03:11,468 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-21 16:03:11,468 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 16:03:11,475 INFO L256 TraceCheckSpWp]: Trace formula consists of 1109 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-21 16:03:11,480 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:03:12,412 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 433 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-21 16:03:12,412 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:03:13,135 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 405 proven. 31 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-21 16:03:13,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [311266413] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:03:13,135 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:03:13,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 18, 18] total 40 [2024-11-21 16:03:13,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541661874] [2024-11-21 16:03:13,136 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:03:13,136 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2024-11-21 16:03:13,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:03:13,138 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2024-11-21 16:03:13,138 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=547, Invalid=1093, Unknown=0, NotChecked=0, Total=1640 [2024-11-21 16:03:13,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:03:13,139 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:03:13,139 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 9.365853658536585) internal successors, (384), 40 states have internal predecessors, (384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 16:03:13,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:13,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:13,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:03:13,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:13,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-11-21 16:03:13,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:03:13,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:13,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:13,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:03:13,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:13,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-21 16:03:13,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:03:13,352 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 [2024-11-21 16:03:13,523 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-21 16:03:13,523 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-21 16:03:13,523 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:03:13,524 INFO L139 ounterexampleChecker]: Examining path program with hash 954846652, occurence #2 [2024-11-21 16:03:13,524 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:03:13,524 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 16:03:13,524 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:03:13,525 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-11-21 16:03:13,525 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:03:13,526 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2024-11-21 16:03:13,526 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:03:13,527 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-11-21 16:03:13,527 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:03:13,528 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-11-21 16:03:13,528 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:03:13,528 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2024-11-21 16:03:13,528 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:03:13,528 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 70 [2024-11-21 16:03:13,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:03:13,601 INFO L85 PathProgramCache]: Analyzing trace with hash 576863269, now seen corresponding path program 1 times [2024-11-21 16:03:13,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:03:13,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943192096] [2024-11-21 16:03:13,602 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:03:13,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:03:13,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:03:13,819 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 37 proven. 6 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-21 16:03:13,819 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:03:13,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943192096] [2024-11-21 16:03:13,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943192096] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:03:13,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [895474983] [2024-11-21 16:03:13,819 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:03:13,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:03:13,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:03:13,859 INFO L256 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-21 16:03:13,861 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:03:13,967 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 38 proven. 1 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-21 16:03:13,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [895474983] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:03:13,967 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:03:13,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2024-11-21 16:03:13,968 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:03:13,968 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 112 is hopeless, skipping. [2024-11-21 16:03:13,968 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 142 is hopeless, skipping. [2024-11-21 16:03:13,968 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 165 [2024-11-21 16:03:14,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:03:14,023 INFO L85 PathProgramCache]: Analyzing trace with hash -1404340723, now seen corresponding path program 1 times [2024-11-21 16:03:14,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:03:14,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944682152] [2024-11-21 16:03:14,023 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:03:14,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:03:14,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:03:14,488 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 105 proven. 6 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2024-11-21 16:03:14,489 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:03:14,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944682152] [2024-11-21 16:03:14,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [944682152] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:03:14,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [556323028] [2024-11-21 16:03:14,489 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:03:14,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:03:14,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:03:14,589 INFO L256 TraceCheckSpWp]: Trace formula consists of 772 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-21 16:03:14,592 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:03:14,675 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 110 proven. 1 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2024-11-21 16:03:14,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [556323028] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:03:14,676 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:03:14,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2024-11-21 16:03:14,676 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:03:14,676 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 166 is hopeless, skipping. [2024-11-21 16:03:14,677 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 217 [2024-11-21 16:03:14,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:03:14,723 INFO L85 PathProgramCache]: Analyzing trace with hash -1675777804, now seen corresponding path program 1 times [2024-11-21 16:03:14,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:03:14,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874493676] [2024-11-21 16:03:14,724 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:03:14,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:03:14,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:03:15,492 INFO L134 CoverageAnalysis]: Checked inductivity of 472 backedges. 105 proven. 1 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2024-11-21 16:03:15,492 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:03:15,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874493676] [2024-11-21 16:03:15,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874493676] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:03:15,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [941449949] [2024-11-21 16:03:15,492 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:03:15,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:03:15,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:03:15,652 INFO L256 TraceCheckSpWp]: Trace formula consists of 994 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-21 16:03:15,656 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:03:15,875 INFO L134 CoverageAnalysis]: Checked inductivity of 472 backedges. 105 proven. 1 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2024-11-21 16:03:15,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [941449949] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:03:15,875 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:03:15,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2024-11-21 16:03:15,875 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:03:15,875 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 229 is hopeless, skipping. [2024-11-21 16:03:15,875 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 239 is hopeless, skipping. [2024-11-21 16:03:15,876 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 248 [2024-11-21 16:03:15,876 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:03:15,876 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 16:03:15,876 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:03:15,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:03:15,876 INFO L85 PathProgramCache]: Analyzing trace with hash -1177215294, now seen corresponding path program 5 times [2024-11-21 16:03:15,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:03:15,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089105667] [2024-11-21 16:03:15,876 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:03:15,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:03:15,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:03:16,519 INFO L134 CoverageAnalysis]: Checked inductivity of 478 backedges. 122 proven. 6 refuted. 0 times theorem prover too weak. 350 trivial. 0 not checked. [2024-11-21 16:03:16,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:03:16,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089105667] [2024-11-21 16:03:16,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089105667] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:03:16,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1236785933] [2024-11-21 16:03:16,519 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-21 16:03:16,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:03:16,520 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:03:16,522 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 16:03:16,523 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-21 16:03:17,011 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2024-11-21 16:03:17,011 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 16:03:17,017 INFO L256 TraceCheckSpWp]: Trace formula consists of 1145 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-21 16:03:17,024 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:03:17,291 INFO L134 CoverageAnalysis]: Checked inductivity of 478 backedges. 68 proven. 268 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2024-11-21 16:03:17,291 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:03:18,120 INFO L134 CoverageAnalysis]: Checked inductivity of 478 backedges. 20 proven. 433 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-21 16:03:18,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1236785933] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:03:18,120 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:03:18,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 30] total 40 [2024-11-21 16:03:18,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915536661] [2024-11-21 16:03:18,121 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:03:18,121 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2024-11-21 16:03:18,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:03:18,123 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2024-11-21 16:03:18,123 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=490, Invalid=1070, Unknown=0, NotChecked=0, Total=1560 [2024-11-21 16:03:18,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:03:18,123 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:03:18,124 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 8.625) internal successors, (345), 40 states have internal predecessors, (345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 16:03:18,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:18,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:18,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:03:18,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:18,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-11-21 16:03:18,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:03:18,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:03:18,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:18,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:18,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:03:18,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:18,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-21 16:03:18,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:03:18,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:03:18,895 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-21 16:03:19,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,SelfDestructingSolverStorable19,7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17 [2024-11-21 16:03:19,076 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-21 16:03:19,076 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:03:19,076 INFO L139 ounterexampleChecker]: Examining path program with hash -236214394, occurence #1 [2024-11-21 16:03:19,076 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 16:03:19,076 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:03:19,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:03:19,077 INFO L85 PathProgramCache]: Analyzing trace with hash -638433165, now seen corresponding path program 6 times [2024-11-21 16:03:19,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:03:19,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450676189] [2024-11-21 16:03:19,077 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:03:19,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:03:19,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:03:20,551 INFO L134 CoverageAnalysis]: Checked inductivity of 611 backedges. 107 proven. 226 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked. [2024-11-21 16:03:20,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:03:20,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450676189] [2024-11-21 16:03:20,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450676189] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:03:20,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [912987377] [2024-11-21 16:03:20,552 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-21 16:03:20,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:03:20,552 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:03:20,555 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 16:03:20,557 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-21 16:03:20,763 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2024-11-21 16:03:20,763 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 16:03:20,765 INFO L256 TraceCheckSpWp]: Trace formula consists of 525 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-21 16:03:20,769 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:03:21,078 INFO L134 CoverageAnalysis]: Checked inductivity of 611 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 608 trivial. 0 not checked. [2024-11-21 16:03:21,078 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:03:21,419 INFO L134 CoverageAnalysis]: Checked inductivity of 611 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 608 trivial. 0 not checked. [2024-11-21 16:03:21,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [912987377] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:03:21,419 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:03:21,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 9, 9] total 29 [2024-11-21 16:03:21,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303335405] [2024-11-21 16:03:21,419 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:03:21,420 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-21 16:03:21,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:03:21,421 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-21 16:03:21,421 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=689, Unknown=0, NotChecked=0, Total=812 [2024-11-21 16:03:21,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:03:21,421 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:03:21,421 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 6.0) internal successors, (174), 29 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 16:03:21,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:21,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:21,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:03:21,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:21,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-11-21 16:03:21,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:03:21,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:03:21,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:03:21,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:21,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:21,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:03:21,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:21,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-21 16:03:21,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:03:21,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:03:21,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:03:21,935 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-21 16:03:22,126 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:03:22,126 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-21 16:03:22,126 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:03:22,127 INFO L139 ounterexampleChecker]: Examining path program with hash -236214394, occurence #2 [2024-11-21 16:03:22,127 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:03:22,127 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 16:03:22,127 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:03:22,127 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-11-21 16:03:22,127 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:03:22,127 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-21 16:03:22,127 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:03:22,127 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2024-11-21 16:03:22,127 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:03:22,127 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-11-21 16:03:22,127 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:03:22,127 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2024-11-21 16:03:22,127 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:03:22,128 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-11-21 16:03:22,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:03:22,249 INFO L85 PathProgramCache]: Analyzing trace with hash 1334654536, now seen corresponding path program 1 times [2024-11-21 16:03:22,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:03:22,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691819730] [2024-11-21 16:03:22,249 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:03:22,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:03:22,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:03:22,533 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 45 proven. 21 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-21 16:03:22,533 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:03:22,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691819730] [2024-11-21 16:03:22,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691819730] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:03:22,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1831912253] [2024-11-21 16:03:22,533 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:03:22,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:03:22,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:03:22,571 INFO L256 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-21 16:03:22,573 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:03:22,811 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 60 proven. 6 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-21 16:03:22,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1831912253] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:03:22,812 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:03:22,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2024-11-21 16:03:22,812 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:03:22,812 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 115 is hopeless, skipping. [2024-11-21 16:03:22,812 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 145 is hopeless, skipping. [2024-11-21 16:03:22,812 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 172 is hopeless, skipping. [2024-11-21 16:03:22,812 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 195 [2024-11-21 16:03:22,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:03:22,865 INFO L85 PathProgramCache]: Analyzing trace with hash 1761914093, now seen corresponding path program 1 times [2024-11-21 16:03:22,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:03:22,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6602218] [2024-11-21 16:03:22,865 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:03:22,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:03:22,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:03:23,677 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 27 proven. 294 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2024-11-21 16:03:23,678 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:03:23,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6602218] [2024-11-21 16:03:23,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6602218] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:03:23,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [617836944] [2024-11-21 16:03:23,678 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:03:23,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:03:23,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:03:23,776 INFO L256 TraceCheckSpWp]: Trace formula consists of 895 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-21 16:03:23,779 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:03:24,276 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 256 proven. 65 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2024-11-21 16:03:24,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [617836944] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:03:24,276 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:03:24,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2024-11-21 16:03:24,276 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:03:24,276 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 196 is hopeless, skipping. [2024-11-21 16:03:24,276 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 247 [2024-11-21 16:03:24,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:03:24,317 INFO L85 PathProgramCache]: Analyzing trace with hash 1586646612, now seen corresponding path program 1 times [2024-11-21 16:03:24,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:03:24,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142938646] [2024-11-21 16:03:24,317 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:03:24,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:03:24,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:03:25,490 INFO L134 CoverageAnalysis]: Checked inductivity of 615 backedges. 107 proven. 264 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2024-11-21 16:03:25,490 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:03:25,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142938646] [2024-11-21 16:03:25,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142938646] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:03:25,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1765412160] [2024-11-21 16:03:25,490 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:03:25,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:03:25,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:03:25,609 INFO L256 TraceCheckSpWp]: Trace formula consists of 1117 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-21 16:03:25,613 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:03:26,241 INFO L134 CoverageAnalysis]: Checked inductivity of 615 backedges. 309 proven. 62 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2024-11-21 16:03:26,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1765412160] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:03:26,242 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:03:26,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2024-11-21 16:03:26,242 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:03:26,242 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 259 is hopeless, skipping. [2024-11-21 16:03:26,242 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 269 is hopeless, skipping. [2024-11-21 16:03:26,242 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 278 [2024-11-21 16:03:26,242 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:03:26,243 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 16:03:26,243 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:03:26,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:03:26,243 INFO L85 PathProgramCache]: Analyzing trace with hash -499665855, now seen corresponding path program 7 times [2024-11-21 16:03:26,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:03:26,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354070914] [2024-11-21 16:03:26,244 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:03:26,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:03:26,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:03:26,901 INFO L134 CoverageAnalysis]: Checked inductivity of 621 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 609 trivial. 0 not checked. [2024-11-21 16:03:26,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:03:26,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354070914] [2024-11-21 16:03:26,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354070914] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:03:26,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [148691436] [2024-11-21 16:03:26,902 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-21 16:03:26,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:03:26,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:03:26,904 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 16:03:26,904 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-21 16:03:27,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:03:27,167 INFO L256 TraceCheckSpWp]: Trace formula consists of 1268 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-21 16:03:27,171 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:03:27,358 INFO L134 CoverageAnalysis]: Checked inductivity of 621 backedges. 306 proven. 6 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked. [2024-11-21 16:03:27,358 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:03:27,529 INFO L134 CoverageAnalysis]: Checked inductivity of 621 backedges. 267 proven. 45 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked. [2024-11-21 16:03:27,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [148691436] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:03:27,530 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:03:27,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 24 [2024-11-21 16:03:27,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396654892] [2024-11-21 16:03:27,530 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:03:27,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-21 16:03:27,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:03:27,531 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-21 16:03:27,531 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=412, Unknown=0, NotChecked=0, Total=552 [2024-11-21 16:03:27,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:03:27,531 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:03:27,531 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 6.583333333333333) internal successors, (158), 24 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 16:03:27,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:27,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:27,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:03:27,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:27,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-11-21 16:03:27,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:03:27,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:03:27,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:03:27,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:03:27,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:27,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:27,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:03:27,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:27,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-21 16:03:27,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:03:27,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:03:27,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:03:27,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 16:03:27,717 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-21 16:03:27,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,SelfDestructingSolverStorable23,SelfDestructingSolverStorable24,SelfDestructingSolverStorable25,SelfDestructingSolverStorable26,SelfDestructingSolverStorable27,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-21 16:03:27,902 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-21 16:03:27,902 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:03:27,902 INFO L139 ounterexampleChecker]: Examining path program with hash -236214394, occurence #3 [2024-11-21 16:03:27,902 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:03:27,902 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 16:03:27,902 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:03:27,902 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-11-21 16:03:27,902 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:03:27,902 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-11-21 16:03:27,902 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:03:27,903 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-11-21 16:03:27,903 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:03:27,903 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2024-11-21 16:03:27,903 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:03:27,903 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2024-11-21 16:03:27,903 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:03:27,903 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2024-11-21 16:03:27,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:03:27,955 INFO L85 PathProgramCache]: Analyzing trace with hash 500065473, now seen corresponding path program 1 times [2024-11-21 16:03:27,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:03:27,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427798982] [2024-11-21 16:03:27,955 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:03:27,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:03:28,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 16:03:28,241 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-21 16:03:28,241 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-21 16:03:28,241 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 116 is hopeless, skipping. [2024-11-21 16:03:28,241 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 146 is hopeless, skipping. [2024-11-21 16:03:28,241 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 173 is hopeless, skipping. [2024-11-21 16:03:28,241 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 196 [2024-11-21 16:03:28,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:03:28,295 INFO L85 PathProgramCache]: Analyzing trace with hash -418484378, now seen corresponding path program 1 times [2024-11-21 16:03:28,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:03:28,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834145614] [2024-11-21 16:03:28,295 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:03:28,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:03:28,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:03:29,392 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 27 proven. 294 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2024-11-21 16:03:29,393 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:03:29,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834145614] [2024-11-21 16:03:29,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834145614] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:03:29,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1749933760] [2024-11-21 16:03:29,393 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:03:29,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:03:29,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:03:29,519 INFO L256 TraceCheckSpWp]: Trace formula consists of 904 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-21 16:03:29,522 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:03:30,150 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 256 proven. 65 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2024-11-21 16:03:30,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1749933760] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:03:30,150 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:03:30,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2024-11-21 16:03:30,151 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:03:30,151 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 197 is hopeless, skipping. [2024-11-21 16:03:30,151 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 248 [2024-11-21 16:03:30,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:03:30,194 INFO L85 PathProgramCache]: Analyzing trace with hash 1582086349, now seen corresponding path program 1 times [2024-11-21 16:03:30,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:03:30,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519175657] [2024-11-21 16:03:30,194 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:03:30,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:03:30,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:03:31,229 INFO L134 CoverageAnalysis]: Checked inductivity of 619 backedges. 117 proven. 129 refuted. 0 times theorem prover too weak. 373 trivial. 0 not checked. [2024-11-21 16:03:31,229 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:03:31,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519175657] [2024-11-21 16:03:31,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519175657] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:03:31,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [498458513] [2024-11-21 16:03:31,230 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:03:31,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:03:31,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:03:31,337 INFO L256 TraceCheckSpWp]: Trace formula consists of 1126 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-21 16:03:31,340 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:03:31,658 INFO L134 CoverageAnalysis]: Checked inductivity of 619 backedges. 115 proven. 10 refuted. 0 times theorem prover too weak. 494 trivial. 0 not checked. [2024-11-21 16:03:31,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [498458513] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:03:31,659 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:03:31,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11] total 21 [2024-11-21 16:03:31,659 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:03:31,659 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 260 is hopeless, skipping. [2024-11-21 16:03:31,659 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 270 is hopeless, skipping. [2024-11-21 16:03:31,659 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 279 [2024-11-21 16:03:31,659 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:03:31,659 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 16:03:31,660 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:03:31,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:03:31,660 INFO L85 PathProgramCache]: Analyzing trace with hash 833323697, now seen corresponding path program 8 times [2024-11-21 16:03:31,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:03:31,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457862818] [2024-11-21 16:03:31,660 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:03:31,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:03:31,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:03:32,881 INFO L134 CoverageAnalysis]: Checked inductivity of 625 backedges. 107 proven. 264 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-11-21 16:03:32,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:03:32,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457862818] [2024-11-21 16:03:32,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457862818] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:03:32,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1887089610] [2024-11-21 16:03:32,882 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 16:03:32,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:03:32,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:03:32,884 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 16:03:32,886 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-21 16:03:33,154 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-21 16:03:33,155 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 16:03:33,160 INFO L256 TraceCheckSpWp]: Trace formula consists of 1277 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-21 16:03:33,163 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:03:33,530 INFO L134 CoverageAnalysis]: Checked inductivity of 625 backedges. 336 proven. 10 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2024-11-21 16:03:33,530 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:03:33,800 INFO L134 CoverageAnalysis]: Checked inductivity of 625 backedges. 312 proven. 34 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2024-11-21 16:03:33,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1887089610] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:03:33,801 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:03:33,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 12, 12] total 37 [2024-11-21 16:03:33,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743039710] [2024-11-21 16:03:33,801 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:03:33,802 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-11-21 16:03:33,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:03:33,803 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-11-21 16:03:33,803 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=193, Invalid=1139, Unknown=0, NotChecked=0, Total=1332 [2024-11-21 16:03:33,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:03:33,804 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:03:33,804 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 6.945945945945946) internal successors, (257), 37 states have internal predecessors, (257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 16:03:33,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:33,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:33,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:03:33,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:33,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-11-21 16:03:33,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:03:33,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:03:33,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:03:33,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 16:03:33,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:03:34,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:34,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:34,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:03:34,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:34,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-21 16:03:34,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:03:34,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:03:34,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:03:34,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 16:03:34,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-21 16:03:34,134 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-21 16:03:34,321 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,SelfDestructingSolverStorable30,SelfDestructingSolverStorable31,SelfDestructingSolverStorable32,SelfDestructingSolverStorable33,SelfDestructingSolverStorable34,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:03:34,322 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-21 16:03:34,322 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:03:34,322 INFO L139 ounterexampleChecker]: Examining path program with hash -236214394, occurence #4 [2024-11-21 16:03:34,322 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:03:34,322 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 16:03:34,322 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:03:34,322 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-11-21 16:03:34,322 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:03:34,322 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-11-21 16:03:34,322 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:03:34,322 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2024-11-21 16:03:34,322 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:03:34,322 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2024-11-21 16:03:34,322 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:03:34,322 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-21 16:03:34,323 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:03:34,323 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 76 [2024-11-21 16:03:34,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:03:34,372 INFO L85 PathProgramCache]: Analyzing trace with hash -866219624, now seen corresponding path program 1 times [2024-11-21 16:03:34,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:03:34,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263760747] [2024-11-21 16:03:34,372 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:03:34,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:03:34,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 16:03:34,564 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-21 16:03:34,564 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-21 16:03:34,564 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 118 is hopeless, skipping. [2024-11-21 16:03:34,564 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 148 is hopeless, skipping. [2024-11-21 16:03:34,565 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 175 is hopeless, skipping. [2024-11-21 16:03:34,565 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 198 [2024-11-21 16:03:34,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:03:34,617 INFO L85 PathProgramCache]: Analyzing trace with hash 307422909, now seen corresponding path program 1 times [2024-11-21 16:03:34,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:03:34,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503741553] [2024-11-21 16:03:34,618 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:03:34,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:03:34,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:03:35,575 INFO L134 CoverageAnalysis]: Checked inductivity of 511 backedges. 61 proven. 328 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-11-21 16:03:35,575 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:03:35,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503741553] [2024-11-21 16:03:35,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503741553] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:03:35,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1264816786] [2024-11-21 16:03:35,576 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:03:35,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:03:35,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:03:35,674 INFO L256 TraceCheckSpWp]: Trace formula consists of 922 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-21 16:03:35,677 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:03:36,256 INFO L134 CoverageAnalysis]: Checked inductivity of 511 backedges. 297 proven. 92 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-11-21 16:03:36,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1264816786] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:03:36,256 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:03:36,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 36 [2024-11-21 16:03:36,256 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:03:36,257 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 199 is hopeless, skipping. [2024-11-21 16:03:36,257 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 250 [2024-11-21 16:03:36,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:03:36,303 INFO L85 PathProgramCache]: Analyzing trace with hash 2146813220, now seen corresponding path program 1 times [2024-11-21 16:03:36,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:03:36,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929131811] [2024-11-21 16:03:36,303 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:03:36,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:03:36,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:03:37,116 INFO L134 CoverageAnalysis]: Checked inductivity of 632 backedges. 7 proven. 129 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-11-21 16:03:37,116 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:03:37,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929131811] [2024-11-21 16:03:37,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929131811] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:03:37,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1700705752] [2024-11-21 16:03:37,117 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:03:37,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:03:37,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:03:37,246 INFO L256 TraceCheckSpWp]: Trace formula consists of 1144 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-21 16:03:37,250 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:03:37,660 INFO L134 CoverageAnalysis]: Checked inductivity of 632 backedges. 121 proven. 15 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-11-21 16:03:37,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1700705752] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:03:37,660 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:03:37,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2024-11-21 16:03:37,661 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:03:37,661 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 262 is hopeless, skipping. [2024-11-21 16:03:37,661 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 272 is hopeless, skipping. [2024-11-21 16:03:37,661 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 281 [2024-11-21 16:03:37,661 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:03:37,661 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 16:03:37,661 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:03:37,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:03:37,662 INFO L85 PathProgramCache]: Analyzing trace with hash 672922495, now seen corresponding path program 9 times [2024-11-21 16:03:37,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:03:37,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132464986] [2024-11-21 16:03:37,662 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:03:37,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:03:37,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:03:38,886 INFO L134 CoverageAnalysis]: Checked inductivity of 638 backedges. 117 proven. 316 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2024-11-21 16:03:38,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:03:38,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132464986] [2024-11-21 16:03:38,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132464986] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:03:38,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [649525246] [2024-11-21 16:03:38,887 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-21 16:03:38,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:03:38,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:03:38,889 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 16:03:38,889 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-21 16:03:39,276 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-21 16:03:39,276 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 16:03:39,280 INFO L256 TraceCheckSpWp]: Trace formula consists of 790 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-21 16:03:39,283 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:03:39,790 INFO L134 CoverageAnalysis]: Checked inductivity of 638 backedges. 110 proven. 15 refuted. 0 times theorem prover too weak. 513 trivial. 0 not checked. [2024-11-21 16:03:39,790 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:03:40,353 INFO L134 CoverageAnalysis]: Checked inductivity of 638 backedges. 6 proven. 119 refuted. 0 times theorem prover too weak. 513 trivial. 0 not checked. [2024-11-21 16:03:40,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [649525246] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:03:40,353 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:03:40,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 15, 15] total 45 [2024-11-21 16:03:40,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812678786] [2024-11-21 16:03:40,354 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:03:40,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2024-11-21 16:03:40,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:03:40,355 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2024-11-21 16:03:40,356 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=277, Invalid=1703, Unknown=0, NotChecked=0, Total=1980 [2024-11-21 16:03:40,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:03:40,356 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:03:40,356 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 5.866666666666666) internal successors, (264), 45 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 16:03:40,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:40,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:40,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:03:40,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:40,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-11-21 16:03:40,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:03:40,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:03:40,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:03:40,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 16:03:40,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-21 16:03:40,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:03:41,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:41,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:41,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:03:41,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:41,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-21 16:03:41,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:03:41,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:03:41,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:03:41,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 16:03:41,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-21 16:03:41,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 16:03:41,028 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-21 16:03:41,215 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,11 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35,SelfDestructingSolverStorable36,SelfDestructingSolverStorable37,SelfDestructingSolverStorable38,SelfDestructingSolverStorable39 [2024-11-21 16:03:41,215 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-21 16:03:41,215 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:03:41,215 INFO L139 ounterexampleChecker]: Examining path program with hash -236214394, occurence #5 [2024-11-21 16:03:41,216 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:03:41,216 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 16:03:41,216 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:03:41,216 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2024-11-21 16:03:41,216 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:03:41,216 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-11-21 16:03:41,216 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:03:41,216 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2024-11-21 16:03:41,216 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:03:41,216 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2024-11-21 16:03:41,216 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:03:41,216 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2024-11-21 16:03:41,216 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:03:41,216 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 78 [2024-11-21 16:03:41,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:03:41,269 INFO L85 PathProgramCache]: Analyzing trace with hash 1929815827, now seen corresponding path program 1 times [2024-11-21 16:03:41,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:03:41,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139987008] [2024-11-21 16:03:41,269 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:03:41,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:03:41,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 16:03:41,533 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-21 16:03:41,534 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-21 16:03:41,534 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 120 is hopeless, skipping. [2024-11-21 16:03:41,534 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 150 is hopeless, skipping. [2024-11-21 16:03:41,534 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 177 is hopeless, skipping. [2024-11-21 16:03:41,534 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 200 [2024-11-21 16:03:41,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:03:41,622 INFO L85 PathProgramCache]: Analyzing trace with hash -1580113480, now seen corresponding path program 1 times [2024-11-21 16:03:41,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:03:41,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613660133] [2024-11-21 16:03:41,622 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:03:41,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:03:41,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:03:42,898 INFO L134 CoverageAnalysis]: Checked inductivity of 526 backedges. 96 proven. 346 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-21 16:03:42,898 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:03:42,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613660133] [2024-11-21 16:03:42,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1613660133] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:03:42,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [973052193] [2024-11-21 16:03:42,899 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:03:42,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:03:42,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:03:42,979 INFO L256 TraceCheckSpWp]: Trace formula consists of 940 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-21 16:03:42,983 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:03:43,742 INFO L134 CoverageAnalysis]: Checked inductivity of 526 backedges. 325 proven. 117 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-21 16:03:43,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [973052193] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:03:43,742 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:03:43,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 40 [2024-11-21 16:03:43,743 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:03:43,743 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 201 is hopeless, skipping. [2024-11-21 16:03:43,743 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 252 [2024-11-21 16:03:43,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:03:43,774 INFO L85 PathProgramCache]: Analyzing trace with hash 1720126239, now seen corresponding path program 1 times [2024-11-21 16:03:43,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:03:43,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933190803] [2024-11-21 16:03:43,774 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:03:43,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:03:43,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:03:44,815 INFO L134 CoverageAnalysis]: Checked inductivity of 647 backedges. 142 proven. 301 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2024-11-21 16:03:44,815 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:03:44,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933190803] [2024-11-21 16:03:44,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933190803] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:03:44,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [918645780] [2024-11-21 16:03:44,815 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:03:44,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:03:44,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:03:44,927 INFO L256 TraceCheckSpWp]: Trace formula consists of 1162 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-21 16:03:44,930 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:03:45,564 INFO L134 CoverageAnalysis]: Checked inductivity of 647 backedges. 377 proven. 66 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2024-11-21 16:03:45,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [918645780] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:03:45,564 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:03:45,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 40 [2024-11-21 16:03:45,564 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:03:45,564 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 264 is hopeless, skipping. [2024-11-21 16:03:45,564 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 274 is hopeless, skipping. [2024-11-21 16:03:45,564 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 283 [2024-11-21 16:03:45,564 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:03:45,564 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 16:03:45,565 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:03:45,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:03:45,565 INFO L85 PathProgramCache]: Analyzing trace with hash -822000399, now seen corresponding path program 10 times [2024-11-21 16:03:45,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:03:45,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378209813] [2024-11-21 16:03:45,565 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:03:45,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:03:45,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:03:46,759 INFO L134 CoverageAnalysis]: Checked inductivity of 653 backedges. 142 proven. 301 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2024-11-21 16:03:46,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:03:46,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378209813] [2024-11-21 16:03:46,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378209813] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:03:46,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [632352035] [2024-11-21 16:03:46,759 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-21 16:03:46,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:03:46,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:03:46,763 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 16:03:46,765 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-21 16:03:47,074 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-21 16:03:47,074 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 16:03:47,080 INFO L256 TraceCheckSpWp]: Trace formula consists of 1313 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-21 16:03:47,083 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:03:48,038 INFO L134 CoverageAnalysis]: Checked inductivity of 653 backedges. 564 proven. 45 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-21 16:03:48,038 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:03:49,062 INFO L134 CoverageAnalysis]: Checked inductivity of 653 backedges. 526 proven. 83 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-21 16:03:49,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [632352035] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:03:49,062 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:03:49,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 28, 28] total 74 [2024-11-21 16:03:49,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949409300] [2024-11-21 16:03:49,062 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:03:49,063 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 75 states [2024-11-21 16:03:49,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:03:49,065 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2024-11-21 16:03:49,066 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1418, Invalid=4132, Unknown=0, NotChecked=0, Total=5550 [2024-11-21 16:03:49,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:03:49,066 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:03:49,066 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 75 states, 75 states have (on average 7.013333333333334) internal successors, (526), 74 states have internal predecessors, (526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 16:03:49,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:49,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:49,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:03:49,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:49,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-11-21 16:03:49,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:03:49,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:03:49,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:03:49,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 16:03:49,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-21 16:03:49,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-21 16:03:49,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:03:49,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:49,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:49,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:03:49,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:49,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-21 16:03:49,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:03:49,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:03:49,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:03:49,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 16:03:49,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-21 16:03:49,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 16:03:49,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-21 16:03:49,454 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-21 16:03:49,634 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,SelfDestructingSolverStorable41,SelfDestructingSolverStorable42,SelfDestructingSolverStorable43,SelfDestructingSolverStorable44,SelfDestructingSolverStorable45,SelfDestructingSolverStorable46 [2024-11-21 16:03:49,635 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-21 16:03:49,635 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:03:49,635 INFO L139 ounterexampleChecker]: Examining path program with hash -236214394, occurence #6 [2024-11-21 16:03:49,635 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:03:49,635 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 16:03:49,635 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:03:49,635 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-11-21 16:03:49,635 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:03:49,635 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2024-11-21 16:03:49,635 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:03:49,635 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2024-11-21 16:03:49,635 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:03:49,635 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-21 16:03:49,635 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:03:49,635 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2024-11-21 16:03:49,635 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:03:49,635 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 86 [2024-11-21 16:03:49,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:03:49,689 INFO L85 PathProgramCache]: Analyzing trace with hash 1736525852, now seen corresponding path program 1 times [2024-11-21 16:03:49,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:03:49,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145252420] [2024-11-21 16:03:49,689 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:03:49,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:03:50,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 16:03:50,353 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-21 16:03:50,353 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-21 16:03:50,353 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 128 is hopeless, skipping. [2024-11-21 16:03:50,353 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 158 is hopeless, skipping. [2024-11-21 16:03:50,353 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 185 is hopeless, skipping. [2024-11-21 16:03:50,353 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 208 [2024-11-21 16:03:50,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:03:50,416 INFO L85 PathProgramCache]: Analyzing trace with hash -1811365183, now seen corresponding path program 1 times [2024-11-21 16:03:50,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:03:50,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980333072] [2024-11-21 16:03:50,417 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:03:50,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:03:50,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:03:50,766 INFO L134 CoverageAnalysis]: Checked inductivity of 634 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 519 trivial. 0 not checked. [2024-11-21 16:03:50,767 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:03:50,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980333072] [2024-11-21 16:03:50,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [980333072] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 16:03:50,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 16:03:50,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-21 16:03:50,768 INFO L172 ounterexampleChecker]: Successfully proved commutativity at non-minimality point 208. Constructing proof automaton... [2024-11-21 16:03:50,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 16:03:50,768 INFO L309 artialOrderCegarLoop]: Commutativity proof succeeded, skipping feasibility check. [2024-11-21 16:03:50,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-21 16:03:50,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SMTINTERPOL [2024-11-21 16:03:50,769 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-21 16:03:50,769 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-21 16:03:50,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:03:50,770 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:03:50,770 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 16:03:50,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:50,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:50,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:03:50,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:50,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-11-21 16:03:50,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:03:50,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:03:50,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:03:50,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 16:03:50,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-21 16:03:50,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-21 16:03:50,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-11-21 16:03:50,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:03:51,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:51,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:51,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:03:51,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:51,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-21 16:03:51,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:03:51,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:03:51,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:03:51,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 16:03:51,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-21 16:03:51,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 16:03:51,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-21 16:03:51,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:03:51,492 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47,SelfDestructingSolverStorable48 [2024-11-21 16:03:51,492 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-21 16:03:51,492 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:03:51,492 INFO L139 ounterexampleChecker]: Examining path program with hash -2095253669, occurence #1 [2024-11-21 16:03:51,492 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 16:03:51,492 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:03:51,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:03:51,493 INFO L85 PathProgramCache]: Analyzing trace with hash 1170922386, now seen corresponding path program 11 times [2024-11-21 16:03:51,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:03:51,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128073565] [2024-11-21 16:03:51,493 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:03:51,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:03:51,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:03:52,121 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 50 proven. 217 refuted. 0 times theorem prover too weak. 229 trivial. 0 not checked. [2024-11-21 16:03:52,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:03:52,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128073565] [2024-11-21 16:03:52,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128073565] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:03:52,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [750495811] [2024-11-21 16:03:52,122 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-21 16:03:52,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:03:52,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:03:52,124 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 16:03:52,124 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-21 16:03:54,901 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2024-11-21 16:03:54,902 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 16:03:54,911 INFO L256 TraceCheckSpWp]: Trace formula consists of 980 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-21 16:03:54,914 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:03:55,474 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 252 proven. 84 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2024-11-21 16:03:55,474 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:03:56,108 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 288 proven. 48 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2024-11-21 16:03:56,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [750495811] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:03:56,108 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:03:56,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 20, 20] total 53 [2024-11-21 16:03:56,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564370876] [2024-11-21 16:03:56,108 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:03:56,109 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2024-11-21 16:03:56,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:03:56,110 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2024-11-21 16:03:56,111 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=717, Invalid=2039, Unknown=0, NotChecked=0, Total=2756 [2024-11-21 16:03:56,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:03:56,111 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:03:56,112 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 7.169811320754717) internal successors, (380), 53 states have internal predecessors, (380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 16:03:56,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:56,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:56,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:03:56,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:56,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-11-21 16:03:56,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:03:56,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:03:56,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:03:56,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 16:03:56,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-21 16:03:56,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-21 16:03:56,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-11-21 16:03:56,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:03:56,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:03:56,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:56,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:56,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:03:56,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:56,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-21 16:03:56,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:03:56,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:03:56,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:03:56,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 16:03:56,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-21 16:03:56,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 16:03:56,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-21 16:03:56,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:03:56,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:03:56,698 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-21 16:03:56,881 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,SelfDestructingSolverStorable49 [2024-11-21 16:03:56,881 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-21 16:03:56,881 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:03:56,882 INFO L139 ounterexampleChecker]: Examining path program with hash -2095253669, occurence #2 [2024-11-21 16:03:56,882 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:03:56,882 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 16:03:56,882 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:03:56,882 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-11-21 16:03:56,882 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:03:56,882 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2024-11-21 16:03:56,882 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:03:56,882 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-21 16:03:56,882 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:03:56,882 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2024-11-21 16:03:56,882 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:03:56,882 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42 [2024-11-21 16:03:56,882 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:03:56,882 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 90 [2024-11-21 16:03:56,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:03:56,938 INFO L85 PathProgramCache]: Analyzing trace with hash 1691421766, now seen corresponding path program 1 times [2024-11-21 16:03:56,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:03:56,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361097446] [2024-11-21 16:03:56,938 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:03:56,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:03:57,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 16:03:57,453 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-21 16:03:57,454 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-21 16:03:57,454 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 132 is hopeless, skipping. [2024-11-21 16:03:57,454 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 177 [2024-11-21 16:03:57,454 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:03:57,454 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 180 [2024-11-21 16:03:57,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:03:57,484 INFO L85 PathProgramCache]: Analyzing trace with hash -195029138, now seen corresponding path program 1 times [2024-11-21 16:03:57,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:03:57,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116501717] [2024-11-21 16:03:57,484 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:03:57,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:03:57,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:03:58,217 INFO L134 CoverageAnalysis]: Checked inductivity of 525 backedges. 152 proven. 218 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2024-11-21 16:03:58,218 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:03:58,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116501717] [2024-11-21 16:03:58,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116501717] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:03:58,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [2138618302] [2024-11-21 16:03:58,218 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:03:58,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:03:58,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:03:58,282 INFO L256 TraceCheckSpWp]: Trace formula consists of 955 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-21 16:03:58,284 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:03:58,926 INFO L134 CoverageAnalysis]: Checked inductivity of 525 backedges. 221 proven. 149 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2024-11-21 16:03:58,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [2138618302] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:03:58,926 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:03:58,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24] total 45 [2024-11-21 16:03:58,927 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:03:58,927 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 190 [2024-11-21 16:03:58,927 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:03:58,927 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 16:03:58,927 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:03:58,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:03:58,927 INFO L85 PathProgramCache]: Analyzing trace with hash 774281106, now seen corresponding path program 12 times [2024-11-21 16:03:58,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:03:58,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048994950] [2024-11-21 16:03:58,927 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:03:58,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:03:59,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:03:59,827 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 152 proven. 218 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2024-11-21 16:03:59,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:03:59,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048994950] [2024-11-21 16:03:59,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048994950] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:03:59,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [699082056] [2024-11-21 16:03:59,827 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-21 16:03:59,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:03:59,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:03:59,829 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 16:03:59,830 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-21 16:04:00,068 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2024-11-21 16:04:00,068 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 16:04:00,071 INFO L256 TraceCheckSpWp]: Trace formula consists of 564 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-21 16:04:00,073 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:04:00,188 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 141 proven. 10 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked. [2024-11-21 16:04:00,188 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:04:00,399 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 143 proven. 13 refuted. 0 times theorem prover too weak. 374 trivial. 0 not checked. [2024-11-21 16:04:00,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [699082056] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:04:00,399 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:04:00,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 7, 9] total 36 [2024-11-21 16:04:00,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040319126] [2024-11-21 16:04:00,400 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:04:00,400 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-11-21 16:04:00,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:04:00,401 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-11-21 16:04:00,401 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=1094, Unknown=0, NotChecked=0, Total=1260 [2024-11-21 16:04:00,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:04:00,401 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:04:00,401 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 7.75) internal successors, (279), 36 states have internal predecessors, (279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 16:04:00,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:00,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:00,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:04:00,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:00,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-11-21 16:04:00,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:04:00,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:04:00,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:04:00,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 16:04:00,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-21 16:04:00,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-21 16:04:00,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-11-21 16:04:00,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:04:00,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:04:00,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:04:04,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:04,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:04,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:04:04,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:04,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-21 16:04:04,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:04:04,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:04:04,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:04:04,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 16:04:04,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-21 16:04:04,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 16:04:04,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-21 16:04:04,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:04:04,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:04:04,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-11-21 16:04:04,461 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-21 16:04:04,648 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,SelfDestructingSolverStorable51,SelfDestructingSolverStorable52,SelfDestructingSolverStorable53,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:04:04,648 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-21 16:04:04,649 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:04:04,649 INFO L139 ounterexampleChecker]: Examining path program with hash 150042830, occurence #1 [2024-11-21 16:04:04,649 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 16:04:04,649 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:04:04,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:04:04,649 INFO L85 PathProgramCache]: Analyzing trace with hash 284042578, now seen corresponding path program 13 times [2024-11-21 16:04:04,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:04:04,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332809223] [2024-11-21 16:04:04,649 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:04,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:04,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:05,785 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 256 proven. 234 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2024-11-21 16:04:05,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:04:05,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332809223] [2024-11-21 16:04:05,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332809223] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:05,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1464108759] [2024-11-21 16:04:05,785 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-21 16:04:05,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:04:05,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:04:05,787 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 16:04:05,789 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-21 16:04:06,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:06,097 INFO L256 TraceCheckSpWp]: Trace formula consists of 1168 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-21 16:04:06,100 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:04:06,888 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 419 proven. 66 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2024-11-21 16:04:06,888 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:04:07,692 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 340 proven. 145 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2024-11-21 16:04:07,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1464108759] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:04:07,692 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:04:07,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 26, 26] total 75 [2024-11-21 16:04:07,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604900816] [2024-11-21 16:04:07,692 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:04:07,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 75 states [2024-11-21 16:04:07,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:04:07,694 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2024-11-21 16:04:07,695 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1000, Invalid=4550, Unknown=0, NotChecked=0, Total=5550 [2024-11-21 16:04:07,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:04:07,695 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:04:07,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 75 states, 75 states have (on average 6.4) internal successors, (480), 75 states have internal predecessors, (480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 16:04:07,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:07,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:07,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:04:07,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:07,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-21 16:04:07,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:04:07,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:04:07,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:04:07,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 16:04:07,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-21 16:04:07,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-21 16:04:07,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-11-21 16:04:07,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:04:07,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:04:07,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-11-21 16:04:07,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:04:07,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:07,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:07,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:04:07,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:07,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-21 16:04:07,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:04:07,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:04:07,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:04:07,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 16:04:07,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-21 16:04:07,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 16:04:07,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-21 16:04:07,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:04:07,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:04:07,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-11-21 16:04:07,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-21 16:04:07,964 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-21 16:04:08,150 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,SelfDestructingSolverStorable54 [2024-11-21 16:04:08,150 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-21 16:04:08,151 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:04:08,151 INFO L139 ounterexampleChecker]: Examining path program with hash 150042830, occurence #2 [2024-11-21 16:04:08,151 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:04:08,151 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 16:04:08,151 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:04:08,151 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-11-21 16:04:08,151 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:04:08,151 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2024-11-21 16:04:08,151 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:08,151 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2024-11-21 16:04:08,151 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:08,151 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2024-11-21 16:04:08,151 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:08,151 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 44 [2024-11-21 16:04:08,151 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:08,151 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 92 [2024-11-21 16:04:08,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:04:08,202 INFO L85 PathProgramCache]: Analyzing trace with hash -346542386, now seen corresponding path program 1 times [2024-11-21 16:04:08,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:04:08,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821484715] [2024-11-21 16:04:08,202 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:08,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:08,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 16:04:08,329 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-21 16:04:08,329 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-21 16:04:08,330 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 134 is hopeless, skipping. [2024-11-21 16:04:08,330 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 229 [2024-11-21 16:04:08,330 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:08,330 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 16:04:08,330 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:04:08,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:04:08,330 INFO L85 PathProgramCache]: Analyzing trace with hash 748963426, now seen corresponding path program 14 times [2024-11-21 16:04:08,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:04:08,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170037286] [2024-11-21 16:04:08,330 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:08,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:08,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:09,601 INFO L134 CoverageAnalysis]: Checked inductivity of 656 backedges. 256 proven. 246 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2024-11-21 16:04:09,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:04:09,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170037286] [2024-11-21 16:04:09,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [170037286] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:09,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [995494870] [2024-11-21 16:04:09,601 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 16:04:09,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:04:09,602 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:04:09,603 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 16:04:09,605 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-21 16:04:09,917 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-21 16:04:09,917 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 16:04:09,922 INFO L256 TraceCheckSpWp]: Trace formula consists of 1177 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-21 16:04:09,925 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:04:10,782 INFO L134 CoverageAnalysis]: Checked inductivity of 656 backedges. 423 proven. 78 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2024-11-21 16:04:10,782 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:04:11,667 INFO L134 CoverageAnalysis]: Checked inductivity of 656 backedges. 388 proven. 113 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2024-11-21 16:04:11,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [995494870] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:04:11,667 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:04:11,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 28, 28] total 80 [2024-11-21 16:04:11,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694911888] [2024-11-21 16:04:11,667 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:04:11,668 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 80 states [2024-11-21 16:04:11,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:04:11,669 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2024-11-21 16:04:11,671 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1147, Invalid=5173, Unknown=0, NotChecked=0, Total=6320 [2024-11-21 16:04:11,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:04:11,671 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:04:11,671 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 80 states, 80 states have (on average 6.2625) internal successors, (501), 80 states have internal predecessors, (501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 16:04:11,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:11,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:11,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:04:11,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:11,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-21 16:04:11,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:04:11,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:04:11,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:04:11,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 16:04:11,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-21 16:04:11,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-21 16:04:11,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-11-21 16:04:11,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:04:11,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:04:11,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-11-21 16:04:11,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-21 16:04:11,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:04:11,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:11,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:11,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:04:11,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:11,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-21 16:04:11,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:04:11,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:04:11,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:04:11,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 16:04:11,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-21 16:04:11,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 16:04:11,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-21 16:04:11,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:04:11,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:04:11,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-11-21 16:04:11,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-21 16:04:11,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:04:11,930 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-21 16:04:12,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable55,SelfDestructingSolverStorable56 [2024-11-21 16:04:12,117 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-21 16:04:12,117 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:04:12,117 INFO L139 ounterexampleChecker]: Examining path program with hash 150042830, occurence #3 [2024-11-21 16:04:12,117 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:04:12,117 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 16:04:12,117 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:04:12,117 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-11-21 16:04:12,117 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:04:12,117 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-21 16:04:12,117 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:12,117 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-21 16:04:12,117 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:12,117 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2024-11-21 16:04:12,117 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:12,117 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2024-11-21 16:04:12,117 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:12,118 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2024-11-21 16:04:12,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:04:12,171 INFO L85 PathProgramCache]: Analyzing trace with hash -77437983, now seen corresponding path program 1 times [2024-11-21 16:04:12,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:04:12,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021774005] [2024-11-21 16:04:12,171 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:12,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:12,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 16:04:12,615 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-21 16:04:12,615 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-21 16:04:12,615 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 135 is hopeless, skipping. [2024-11-21 16:04:12,615 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 230 [2024-11-21 16:04:12,615 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:12,615 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 16:04:12,615 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:04:12,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:04:12,616 INFO L85 PathProgramCache]: Analyzing trace with hash -2018359470, now seen corresponding path program 15 times [2024-11-21 16:04:12,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:04:12,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3610727] [2024-11-21 16:04:12,616 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:12,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:12,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:13,858 INFO L134 CoverageAnalysis]: Checked inductivity of 669 backedges. 256 proven. 259 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2024-11-21 16:04:13,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:04:13,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3610727] [2024-11-21 16:04:13,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3610727] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:13,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [936558662] [2024-11-21 16:04:13,859 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-21 16:04:13,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:04:13,859 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:04:13,861 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 16:04:13,861 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-21 16:04:20,274 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2024-11-21 16:04:20,274 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 16:04:20,286 INFO L256 TraceCheckSpWp]: Trace formula consists of 1131 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-21 16:04:20,289 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:04:21,232 INFO L134 CoverageAnalysis]: Checked inductivity of 669 backedges. 413 proven. 91 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2024-11-21 16:04:21,232 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:04:22,225 INFO L134 CoverageAnalysis]: Checked inductivity of 669 backedges. 244 proven. 260 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2024-11-21 16:04:22,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [936558662] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:04:22,225 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:04:22,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 30, 30] total 85 [2024-11-21 16:04:22,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475564361] [2024-11-21 16:04:22,226 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:04:22,226 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2024-11-21 16:04:22,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:04:22,227 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2024-11-21 16:04:22,229 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1447, Invalid=5693, Unknown=0, NotChecked=0, Total=7140 [2024-11-21 16:04:22,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:04:22,229 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:04:22,229 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 85 states have (on average 5.91764705882353) internal successors, (503), 85 states have internal predecessors, (503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 16:04:22,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:22,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:22,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:04:22,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:22,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-21 16:04:22,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:04:22,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:04:22,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:04:22,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 16:04:22,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-21 16:04:22,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-21 16:04:22,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-11-21 16:04:22,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:04:22,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:04:22,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-11-21 16:04:22,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-21 16:04:22,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:04:22,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:04:22,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:22,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:22,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:04:22,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:22,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-21 16:04:22,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:04:22,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:04:22,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:04:22,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 16:04:22,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-21 16:04:22,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 16:04:22,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-21 16:04:22,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:04:22,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:04:22,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-11-21 16:04:22,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-21 16:04:22,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:04:22,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-21 16:04:22,517 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-21 16:04:22,698 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,SelfDestructingSolverStorable57,SelfDestructingSolverStorable58 [2024-11-21 16:04:22,698 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-21 16:04:22,698 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:04:22,698 INFO L139 ounterexampleChecker]: Examining path program with hash 150042830, occurence #4 [2024-11-21 16:04:22,699 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:04:22,699 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 16:04:22,699 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:04:22,699 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-11-21 16:04:22,699 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:04:22,699 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-21 16:04:22,699 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:22,699 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2024-11-21 16:04:22,699 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:22,699 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42 [2024-11-21 16:04:22,699 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:22,699 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 46 [2024-11-21 16:04:22,699 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:22,699 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2024-11-21 16:04:22,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:04:22,777 INFO L85 PathProgramCache]: Analyzing trace with hash -325136172, now seen corresponding path program 1 times [2024-11-21 16:04:22,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:04:22,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540422612] [2024-11-21 16:04:22,777 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:22,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:23,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 16:04:23,183 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-21 16:04:23,184 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-21 16:04:23,184 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 136 is hopeless, skipping. [2024-11-21 16:04:23,184 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 231 [2024-11-21 16:04:23,184 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:23,184 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 16:04:23,184 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:04:23,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:04:23,185 INFO L85 PathProgramCache]: Analyzing trace with hash -1906023326, now seen corresponding path program 16 times [2024-11-21 16:04:23,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:04:23,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241769788] [2024-11-21 16:04:23,185 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:23,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:23,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:24,515 INFO L134 CoverageAnalysis]: Checked inductivity of 683 backedges. 256 proven. 273 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2024-11-21 16:04:24,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:04:24,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241769788] [2024-11-21 16:04:24,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241769788] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:24,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2096922785] [2024-11-21 16:04:24,516 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-21 16:04:24,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:04:24,516 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:04:24,518 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 16:04:24,519 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-21 16:04:24,910 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-21 16:04:24,911 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 16:04:24,916 INFO L256 TraceCheckSpWp]: Trace formula consists of 1195 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-21 16:04:24,920 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:04:26,082 INFO L134 CoverageAnalysis]: Checked inductivity of 683 backedges. 423 proven. 105 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2024-11-21 16:04:26,082 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:04:27,194 INFO L134 CoverageAnalysis]: Checked inductivity of 683 backedges. 323 proven. 205 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2024-11-21 16:04:27,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2096922785] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:04:27,194 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:04:27,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32, 32] total 90 [2024-11-21 16:04:27,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513812419] [2024-11-21 16:04:27,194 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:04:27,194 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 90 states [2024-11-21 16:04:27,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:04:27,196 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 90 interpolants. [2024-11-21 16:04:27,197 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1476, Invalid=6534, Unknown=0, NotChecked=0, Total=8010 [2024-11-21 16:04:27,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:04:27,197 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:04:27,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 90 states, 90 states have (on average 6.022222222222222) internal successors, (542), 90 states have internal predecessors, (542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 16:04:27,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:27,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:27,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:04:27,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:27,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-21 16:04:27,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:04:27,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:04:27,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:04:27,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 16:04:27,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-21 16:04:27,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-21 16:04:27,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-11-21 16:04:27,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:04:27,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:04:27,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-11-21 16:04:27,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-21 16:04:27,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:04:27,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-21 16:04:27,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:04:27,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:27,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:27,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:04:27,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:27,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-21 16:04:27,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:04:27,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:04:27,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:04:27,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 16:04:27,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-21 16:04:27,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 16:04:27,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-21 16:04:27,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:04:27,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:04:27,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-11-21 16:04:27,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-21 16:04:27,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:04:27,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-21 16:04:27,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:04:27,529 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-21 16:04:27,710 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,18 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable59 [2024-11-21 16:04:27,710 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-21 16:04:27,710 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:04:27,711 INFO L139 ounterexampleChecker]: Examining path program with hash 150042830, occurence #5 [2024-11-21 16:04:27,711 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:04:27,711 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 16:04:27,711 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:04:27,711 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-11-21 16:04:27,711 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:04:27,711 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-21 16:04:27,711 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:27,711 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2024-11-21 16:04:27,711 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:27,711 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2024-11-21 16:04:27,711 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:27,711 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 47 [2024-11-21 16:04:27,711 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:27,711 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2024-11-21 16:04:27,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:04:27,765 INFO L85 PathProgramCache]: Analyzing trace with hash 586154471, now seen corresponding path program 1 times [2024-11-21 16:04:27,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:04:27,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080622708] [2024-11-21 16:04:27,766 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:27,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:28,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 16:04:28,231 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-21 16:04:28,231 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-21 16:04:28,231 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 137 is hopeless, skipping. [2024-11-21 16:04:28,231 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 232 [2024-11-21 16:04:28,231 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:28,231 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 16:04:28,231 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:04:28,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:04:28,232 INFO L85 PathProgramCache]: Analyzing trace with hash 1576397138, now seen corresponding path program 17 times [2024-11-21 16:04:28,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:04:28,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349148206] [2024-11-21 16:04:28,232 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:28,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:28,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:29,863 INFO L134 CoverageAnalysis]: Checked inductivity of 698 backedges. 4 proven. 123 refuted. 0 times theorem prover too weak. 571 trivial. 0 not checked. [2024-11-21 16:04:29,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:04:29,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349148206] [2024-11-21 16:04:29,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349148206] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:29,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1267546250] [2024-11-21 16:04:29,863 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-21 16:04:29,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:04:29,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:04:29,866 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 16:04:29,867 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-21 16:04:43,061 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2024-11-21 16:04:43,061 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 16:04:43,080 INFO L256 TraceCheckSpWp]: Trace formula consists of 1204 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-21 16:04:43,083 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:04:44,129 INFO L134 CoverageAnalysis]: Checked inductivity of 698 backedges. 4 proven. 421 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2024-11-21 16:04:44,129 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:04:45,067 INFO L134 CoverageAnalysis]: Checked inductivity of 698 backedges. 4 proven. 358 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2024-11-21 16:04:45,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1267546250] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:04:45,067 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:04:45,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 36, 26] total 70 [2024-11-21 16:04:45,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647726467] [2024-11-21 16:04:45,068 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:04:45,068 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 71 states [2024-11-21 16:04:45,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:04:45,069 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2024-11-21 16:04:45,070 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=910, Invalid=4060, Unknown=0, NotChecked=0, Total=4970 [2024-11-21 16:04:45,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:04:45,070 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:04:45,070 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 71 states, 71 states have (on average 5.915492957746479) internal successors, (420), 70 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 16:04:45,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:45,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:45,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:04:45,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:45,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-21 16:04:45,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:04:45,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:04:45,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:04:45,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 16:04:45,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-21 16:04:45,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-21 16:04:45,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-11-21 16:04:45,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:04:45,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:04:45,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-11-21 16:04:45,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-21 16:04:45,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:04:45,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-21 16:04:45,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:04:45,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:04:56,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:56,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:56,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:04:56,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:56,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-21 16:04:56,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:04:56,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:04:56,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:04:56,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 16:04:56,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-21 16:04:56,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 16:04:56,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-21 16:04:56,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:04:56,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:04:56,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-11-21 16:04:56,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-21 16:04:56,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:04:56,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-21 16:04:56,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:04:56,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2024-11-21 16:04:56,381 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-21 16:04:56,551 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61,SelfDestructingSolverStorable62,19 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:04:56,551 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-21 16:04:56,551 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:04:56,551 INFO L139 ounterexampleChecker]: Examining path program with hash 1910651481, occurence #1 [2024-11-21 16:04:56,551 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 16:04:56,551 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:04:56,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:04:56,552 INFO L85 PathProgramCache]: Analyzing trace with hash -74932231, now seen corresponding path program 18 times [2024-11-21 16:04:56,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:04:56,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016297083] [2024-11-21 16:04:56,552 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:56,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:56,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:58,633 INFO L134 CoverageAnalysis]: Checked inductivity of 948 backedges. 234 proven. 583 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2024-11-21 16:04:58,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:04:58,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016297083] [2024-11-21 16:04:58,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016297083] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:58,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1288258435] [2024-11-21 16:04:58,633 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-21 16:04:58,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:04:58,633 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:04:58,635 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 16:04:58,636 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-21 16:05:36,105 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2024-11-21 16:05:36,105 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 16:05:36,127 INFO L256 TraceCheckSpWp]: Trace formula consists of 1366 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-11-21 16:05:36,130 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:05:37,911 INFO L134 CoverageAnalysis]: Checked inductivity of 948 backedges. 662 proven. 163 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2024-11-21 16:05:37,912 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:05:39,935 INFO L134 CoverageAnalysis]: Checked inductivity of 948 backedges. 637 proven. 188 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2024-11-21 16:05:39,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1288258435] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:05:39,935 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:05:39,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 41, 41] total 116 [2024-11-21 16:05:39,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077707405] [2024-11-21 16:05:39,935 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:05:39,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 117 states [2024-11-21 16:05:39,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:05:39,937 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 117 interpolants. [2024-11-21 16:05:39,940 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2545, Invalid=11027, Unknown=0, NotChecked=0, Total=13572 [2024-11-21 16:05:39,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:05:39,941 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:05:39,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 117 states, 117 states have (on average 6.051282051282051) internal successors, (708), 116 states have internal predecessors, (708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 16:05:39,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:05:39,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:05:39,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:05:39,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:05:39,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-21 16:05:39,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:05:39,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:05:39,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:05:39,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 16:05:39,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-21 16:05:39,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-21 16:05:39,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-11-21 16:05:39,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:05:39,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:05:39,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-11-21 16:05:39,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-21 16:05:39,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:05:39,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-21 16:05:39,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:05:39,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 172 states. [2024-11-21 16:05:39,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:05:40,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:05:40,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:05:40,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:05:40,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:05:40,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-21 16:05:40,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:05:40,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:05:40,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:05:40,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 16:05:40,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-21 16:05:40,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 16:05:40,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-21 16:05:40,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:05:40,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:05:40,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-11-21 16:05:40,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-21 16:05:40,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:05:40,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-21 16:05:40,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:05:40,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2024-11-21 16:05:40,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-21 16:05:40,410 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-21 16:05:40,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable63 [2024-11-21 16:05:40,587 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-21 16:05:40,588 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:05:40,588 INFO L139 ounterexampleChecker]: Examining path program with hash 1910651481, occurence #2 [2024-11-21 16:05:40,588 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:05:40,588 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 16:05:40,588 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:05:40,588 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2024-11-21 16:05:40,588 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:05:40,588 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-21 16:05:40,588 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:05:40,588 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2024-11-21 16:05:40,588 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:05:40,588 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2024-11-21 16:05:40,588 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:05:40,588 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 49 [2024-11-21 16:05:40,588 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:05:40,588 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 163 [2024-11-21 16:05:40,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:05:40,638 INFO L85 PathProgramCache]: Analyzing trace with hash -169138656, now seen corresponding path program 1 times [2024-11-21 16:05:40,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:05:40,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049829455] [2024-11-21 16:05:40,638 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:05:40,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:05:41,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 16:05:41,538 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-21 16:05:41,538 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-21 16:05:41,538 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 273 [2024-11-21 16:05:41,538 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:05:41,538 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 16:05:41,538 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:05:41,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:05:41,539 INFO L85 PathProgramCache]: Analyzing trace with hash -93161543, now seen corresponding path program 19 times [2024-11-21 16:05:41,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:05:41,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414054434] [2024-11-21 16:05:41,539 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:05:41,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:05:41,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:05:42,667 INFO L134 CoverageAnalysis]: Checked inductivity of 985 backedges. 42 proven. 117 refuted. 0 times theorem prover too weak. 826 trivial. 0 not checked. [2024-11-21 16:05:42,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:05:42,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414054434] [2024-11-21 16:05:42,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414054434] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:05:42,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1145892199] [2024-11-21 16:05:42,668 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-21 16:05:42,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:05:42,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:05:42,670 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 16:05:42,671 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-21 16:05:43,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:05:43,070 INFO L256 TraceCheckSpWp]: Trace formula consists of 1384 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-21 16:05:43,073 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:05:43,275 INFO L134 CoverageAnalysis]: Checked inductivity of 985 backedges. 25 proven. 117 refuted. 0 times theorem prover too weak. 843 trivial. 0 not checked. [2024-11-21 16:05:43,275 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:05:44,041 INFO L134 CoverageAnalysis]: Checked inductivity of 985 backedges. 12 proven. 646 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2024-11-21 16:05:44,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1145892199] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:05:44,041 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:05:44,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 30] total 37 [2024-11-21 16:05:44,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98590054] [2024-11-21 16:05:44,042 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:05:44,042 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2024-11-21 16:05:44,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:05:44,043 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2024-11-21 16:05:44,043 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=586, Invalid=820, Unknown=0, NotChecked=0, Total=1406 [2024-11-21 16:05:44,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:05:44,044 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:05:44,044 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 8.026315789473685) internal successors, (305), 37 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 16:05:44,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:05:44,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:05:44,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:05:44,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:05:44,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-21 16:05:44,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:05:44,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:05:44,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:05:44,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 16:05:44,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-21 16:05:44,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-21 16:05:44,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-11-21 16:05:44,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:05:44,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:05:44,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-11-21 16:05:44,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-21 16:05:44,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:05:44,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-21 16:05:44,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:05:44,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 172 states. [2024-11-21 16:05:44,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-21 16:05:44,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:05:44,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:05:44,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:05:44,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:05:44,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:05:44,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-21 16:05:44,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:05:44,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:05:44,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:05:44,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 16:05:44,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-21 16:05:44,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 16:05:44,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-21 16:05:44,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:05:44,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:05:44,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-11-21 16:05:44,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-21 16:05:44,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:05:44,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-21 16:05:44,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:05:44,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2024-11-21 16:05:44,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-21 16:05:44,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:05:44,859 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-21 16:05:45,044 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64,SelfDestructingSolverStorable65,21 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:05:45,044 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-21 16:05:45,044 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:05:45,044 INFO L139 ounterexampleChecker]: Examining path program with hash 1910651481, occurence #3 [2024-11-21 16:05:45,044 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:05:45,044 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 16:05:45,044 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:05:45,045 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2024-11-21 16:05:45,045 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:05:45,045 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-21 16:05:45,045 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:05:45,045 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2024-11-21 16:05:45,045 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:05:45,045 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2024-11-21 16:05:45,045 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:05:45,045 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 49 [2024-11-21 16:05:45,045 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:05:45,045 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 163 [2024-11-21 16:05:45,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:05:45,094 INFO L85 PathProgramCache]: Analyzing trace with hash -169138627, now seen corresponding path program 1 times [2024-11-21 16:05:45,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:05:45,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996985099] [2024-11-21 16:05:45,095 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:05:45,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:05:45,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 16:05:45,798 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-21 16:05:45,798 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-21 16:05:45,799 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 226 is hopeless, skipping. [2024-11-21 16:05:45,799 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 321 [2024-11-21 16:05:45,799 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:05:45,799 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 16:05:45,799 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:05:45,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:05:45,800 INFO L85 PathProgramCache]: Analyzing trace with hash 481968373, now seen corresponding path program 20 times [2024-11-21 16:05:45,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:05:45,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131725120] [2024-11-21 16:05:45,800 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:05:45,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:05:45,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:05:47,541 INFO L134 CoverageAnalysis]: Checked inductivity of 1272 backedges. 336 proven. 675 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2024-11-21 16:05:47,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:05:47,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131725120] [2024-11-21 16:05:47,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131725120] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:05:47,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [389040244] [2024-11-21 16:05:47,542 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 16:05:47,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:05:47,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:05:47,543 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 16:05:47,544 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-21 16:05:47,978 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-21 16:05:47,978 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 16:05:47,985 INFO L256 TraceCheckSpWp]: Trace formula consists of 1568 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-21 16:05:47,989 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:05:49,052 INFO L134 CoverageAnalysis]: Checked inductivity of 1272 backedges. 913 proven. 120 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2024-11-21 16:05:49,052 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:05:50,180 INFO L134 CoverageAnalysis]: Checked inductivity of 1272 backedges. 824 proven. 209 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2024-11-21 16:05:50,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [389040244] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:05:50,180 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:05:50,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 34, 34] total 96 [2024-11-21 16:05:50,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507708989] [2024-11-21 16:05:50,181 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:05:50,181 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2024-11-21 16:05:50,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:05:50,182 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2024-11-21 16:05:50,183 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1736, Invalid=7384, Unknown=0, NotChecked=0, Total=9120 [2024-11-21 16:05:50,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:05:50,184 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:05:50,184 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 96 states have (on average 6.21875) internal successors, (597), 96 states have internal predecessors, (597), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 16:05:50,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:05:50,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:05:50,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:05:50,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:05:50,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-21 16:05:50,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:05:50,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:05:50,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:05:50,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 16:05:50,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-21 16:05:50,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-21 16:05:50,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-11-21 16:05:50,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:05:50,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:05:50,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-11-21 16:05:50,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-21 16:05:50,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:05:50,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-21 16:05:50,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:05:50,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 172 states. [2024-11-21 16:05:50,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-21 16:05:50,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:05:50,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:05:50,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:05:50,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:05:50,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:05:50,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:05:50,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-21 16:05:50,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:05:50,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:05:50,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:05:50,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 16:05:50,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-21 16:05:50,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 16:05:50,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-21 16:05:50,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:05:50,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:05:50,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-11-21 16:05:50,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-21 16:05:50,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:05:50,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-21 16:05:50,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:05:50,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2024-11-21 16:05:50,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-21 16:05:50,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:05:50,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-21 16:05:50,623 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-11-21 16:05:50,807 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable66,SelfDestructingSolverStorable67 [2024-11-21 16:05:50,808 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-21 16:05:50,808 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:05:50,808 INFO L139 ounterexampleChecker]: Examining path program with hash 1910651481, occurence #4 [2024-11-21 16:05:50,808 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:05:50,808 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 16:05:50,808 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:05:50,808 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2024-11-21 16:05:50,808 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:05:50,808 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2024-11-21 16:05:50,808 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:05:50,808 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42 [2024-11-21 16:05:50,808 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:05:50,808 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 46 [2024-11-21 16:05:50,808 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:05:50,808 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 50 [2024-11-21 16:05:50,808 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:05:50,809 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 164 [2024-11-21 16:05:50,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:05:50,861 INFO L85 PathProgramCache]: Analyzing trace with hash 1207329712, now seen corresponding path program 1 times [2024-11-21 16:05:50,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:05:50,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624307642] [2024-11-21 16:05:50,861 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:05:50,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:05:51,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 16:05:51,135 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-21 16:05:51,136 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-21 16:05:51,136 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 227 is hopeless, skipping. [2024-11-21 16:05:51,136 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 322 [2024-11-21 16:05:51,136 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:05:51,136 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 16:05:51,136 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:05:51,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:05:51,137 INFO L85 PathProgramCache]: Analyzing trace with hash 1202503269, now seen corresponding path program 21 times [2024-11-21 16:05:51,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:05:51,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685450310] [2024-11-21 16:05:51,138 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:05:51,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:05:51,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:05:53,238 INFO L134 CoverageAnalysis]: Checked inductivity of 1288 backedges. 394 proven. 656 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2024-11-21 16:05:53,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:05:53,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685450310] [2024-11-21 16:05:53,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685450310] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:05:53,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2051715940] [2024-11-21 16:05:53,238 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-21 16:05:53,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:05:53,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:05:53,240 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 16:05:53,241 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-21 16:06:04,678 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2024-11-21 16:06:04,678 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 16:06:04,696 INFO L256 TraceCheckSpWp]: Trace formula consists of 1366 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-21 16:06:04,700 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:06:05,921 INFO L134 CoverageAnalysis]: Checked inductivity of 1288 backedges. 779 proven. 136 refuted. 0 times theorem prover too weak. 373 trivial. 0 not checked. [2024-11-21 16:06:05,921 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:06:07,412 INFO L134 CoverageAnalysis]: Checked inductivity of 1288 backedges. 288 proven. 627 refuted. 0 times theorem prover too weak. 373 trivial. 0 not checked. [2024-11-21 16:06:07,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2051715940] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:06:07,412 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:06:07,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 36, 36] total 102 [2024-11-21 16:06:07,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792688127] [2024-11-21 16:06:07,413 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:06:07,413 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 102 states [2024-11-21 16:06:07,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:06:07,415 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 102 interpolants. [2024-11-21 16:06:07,416 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1942, Invalid=8360, Unknown=0, NotChecked=0, Total=10302 [2024-11-21 16:06:07,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:06:07,416 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:06:07,416 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 102 states, 102 states have (on average 5.705882352941177) internal successors, (582), 102 states have internal predecessors, (582), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 16:06:07,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:06:07,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:06:07,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:06:07,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:06:07,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-21 16:06:07,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:06:07,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:06:07,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:06:07,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 16:06:07,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-21 16:06:07,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-21 16:06:07,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-11-21 16:06:07,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:06:07,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:06:07,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-11-21 16:06:07,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-21 16:06:07,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:06:07,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-21 16:06:07,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:06:07,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 172 states. [2024-11-21 16:06:07,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-21 16:06:07,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:06:07,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-21 16:06:07,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:06:08,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:06:08,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:06:08,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:06:08,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:06:08,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-21 16:06:08,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:06:08,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:06:08,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:06:08,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 16:06:08,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-21 16:06:08,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 16:06:08,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-21 16:06:08,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:06:08,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:06:08,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-11-21 16:06:08,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-21 16:06:08,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:06:08,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-21 16:06:08,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:06:08,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2024-11-21 16:06:08,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-21 16:06:08,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:06:08,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-21 16:06:08,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 16:06:08,030 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-11-21 16:06:08,209 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable68,SelfDestructingSolverStorable69 [2024-11-21 16:06:08,209 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-21 16:06:08,209 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:06:08,210 INFO L139 ounterexampleChecker]: Examining path program with hash 1910651481, occurence #5 [2024-11-21 16:06:08,210 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:06:08,210 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 16:06:08,210 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:06:08,210 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2024-11-21 16:06:08,210 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:06:08,210 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2024-11-21 16:06:08,210 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:06:08,210 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2024-11-21 16:06:08,210 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:06:08,210 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 47 [2024-11-21 16:06:08,210 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:06:08,210 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2024-11-21 16:06:08,210 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:06:08,210 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 165 [2024-11-21 16:06:08,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:06:08,277 INFO L85 PathProgramCache]: Analyzing trace with hash 928175171, now seen corresponding path program 1 times [2024-11-21 16:06:08,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:06:08,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768044057] [2024-11-21 16:06:08,277 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:06:08,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:06:08,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 16:06:08,921 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-21 16:06:08,921 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-21 16:06:08,921 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 228 is hopeless, skipping. [2024-11-21 16:06:08,921 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 323 [2024-11-21 16:06:08,921 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:06:08,921 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 16:06:08,921 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:06:08,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:06:08,922 INFO L85 PathProgramCache]: Analyzing trace with hash 2064248565, now seen corresponding path program 22 times [2024-11-21 16:06:08,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:06:08,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580627348] [2024-11-21 16:06:08,922 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:06:08,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:06:09,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:06:10,834 INFO L134 CoverageAnalysis]: Checked inductivity of 1305 backedges. 464 proven. 614 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2024-11-21 16:06:10,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:06:10,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580627348] [2024-11-21 16:06:10,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580627348] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:06:10,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1108977981] [2024-11-21 16:06:10,835 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-21 16:06:10,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:06:10,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:06:10,837 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 16:06:10,882 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-21 16:06:11,329 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-21 16:06:11,329 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 16:06:11,336 INFO L256 TraceCheckSpWp]: Trace formula consists of 1586 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-21 16:06:11,339 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:06:13,246 INFO L134 CoverageAnalysis]: Checked inductivity of 1305 backedges. 951 proven. 190 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2024-11-21 16:06:13,246 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:06:15,463 INFO L134 CoverageAnalysis]: Checked inductivity of 1305 backedges. 918 proven. 223 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2024-11-21 16:06:15,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1108977981] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:06:15,463 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:06:15,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 44, 44] total 124 [2024-11-21 16:06:15,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872799454] [2024-11-21 16:06:15,464 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:06:15,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 124 states [2024-11-21 16:06:15,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:06:15,466 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 124 interpolants. [2024-11-21 16:06:15,467 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2385, Invalid=12867, Unknown=0, NotChecked=0, Total=15252 [2024-11-21 16:06:15,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:06:15,467 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:06:15,468 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 124 states, 124 states have (on average 6.475806451612903) internal successors, (803), 124 states have internal predecessors, (803), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 16:06:15,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:06:15,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:06:15,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:06:15,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:06:15,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-21 16:06:15,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:06:15,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:06:15,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:06:15,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 16:06:15,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-21 16:06:15,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-21 16:06:15,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-11-21 16:06:15,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:06:15,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:06:15,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-11-21 16:06:15,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-21 16:06:15,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:06:15,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-21 16:06:15,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:06:15,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 172 states. [2024-11-21 16:06:15,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-21 16:06:15,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:06:15,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-21 16:06:15,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-21 16:06:15,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:06:15,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:06:15,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:06:15,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:06:15,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:06:15,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-21 16:06:15,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:06:15,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:06:15,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:06:15,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 16:06:15,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-21 16:06:15,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 16:06:15,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-21 16:06:15,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:06:15,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:06:15,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-11-21 16:06:15,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-21 16:06:15,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:06:15,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-21 16:06:15,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:06:15,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2024-11-21 16:06:15,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-21 16:06:15,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:06:15,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-21 16:06:15,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 16:06:15,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-11-21 16:06:16,015 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-11-21 16:06:16,199 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70,SelfDestructingSolverStorable71,24 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:06:16,200 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-21 16:06:16,200 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:06:16,200 INFO L139 ounterexampleChecker]: Examining path program with hash 1910651481, occurence #6 [2024-11-21 16:06:16,200 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:06:16,200 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 16:06:16,200 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:06:16,200 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2024-11-21 16:06:16,200 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:06:16,200 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 44 [2024-11-21 16:06:16,200 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:06:16,200 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-11-21 16:06:16,200 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:06:16,200 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2024-11-21 16:06:16,200 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:06:16,201 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 56 [2024-11-21 16:06:16,201 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:06:16,201 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 170 [2024-11-21 16:06:16,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:06:16,254 INFO L85 PathProgramCache]: Analyzing trace with hash 250242614, now seen corresponding path program 1 times [2024-11-21 16:06:16,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:06:16,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979512273] [2024-11-21 16:06:16,254 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:06:16,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:06:16,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 16:06:16,941 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-21 16:06:16,942 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-21 16:06:16,942 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 233 is hopeless, skipping. [2024-11-21 16:06:16,942 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 328 [2024-11-21 16:06:16,942 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:06:16,942 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 16:06:16,942 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:06:16,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:06:16,943 INFO L85 PathProgramCache]: Analyzing trace with hash -1756446491, now seen corresponding path program 23 times [2024-11-21 16:06:16,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:06:16,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432624496] [2024-11-21 16:06:16,943 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:06:16,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:06:17,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:06:18,514 INFO L134 CoverageAnalysis]: Checked inductivity of 1409 backedges. 59 proven. 467 refuted. 0 times theorem prover too weak. 883 trivial. 0 not checked. [2024-11-21 16:06:18,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:06:18,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432624496] [2024-11-21 16:06:18,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432624496] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:06:18,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1876508007] [2024-11-21 16:06:18,514 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-21 16:06:18,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:06:18,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:06:18,516 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 16:06:18,517 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process Killed by 15