./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/weaver/popl20-more-buffer-series2.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-series2.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 8d3b4a56bf20a7e5cb147a14169234a27b247cfdef3db9f4b8a4f4a17cd6fe47 --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT --- Real Ultimate output --- This is Ultimate 0.3.0-dev-1f73d82-m [2024-11-21 16:04:00,752 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-21 16:04:00,832 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-11-21 16:04:00,836 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-21 16:04:00,838 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-21 16:04:00,860 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-21 16:04:00,861 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-21 16:04:00,861 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-21 16:04:00,862 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-21 16:04:00,862 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-21 16:04:00,862 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-21 16:04:00,862 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-21 16:04:00,863 INFO L153 SettingsManager]: * Use SBE=true [2024-11-21 16:04:00,863 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-21 16:04:00,863 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-21 16:04:00,863 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-21 16:04:00,863 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-21 16:04:00,864 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-21 16:04:00,864 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-21 16:04:00,864 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-21 16:04:00,864 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-21 16:04:00,864 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-21 16:04:00,864 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-21 16:04:00,864 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-21 16:04:00,864 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-21 16:04:00,864 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-21 16:04:00,864 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-21 16:04:00,864 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-21 16:04:00,864 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-21 16:04:00,865 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-21 16:04:00,865 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-21 16:04:00,865 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-21 16:04:00,866 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-21 16:04:00,866 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-21 16:04:00,866 INFO L153 SettingsManager]: * Commutativity condition synthesis=SUFFICIENT [2024-11-21 16:04:00,866 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-21 16:04:00,866 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-21 16:04:00,866 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-11-21 16:04:00,866 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-21 16:04:00,866 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-21 16:04:00,866 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-21 16:04:00,866 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-21 16:04:00,866 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-21 16:04:00,866 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 -> 8d3b4a56bf20a7e5cb147a14169234a27b247cfdef3db9f4b8a4f4a17cd6fe47 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NECESSARY_AND_SUFFICIENT [2024-11-21 16:04:01,123 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-21 16:04:01,129 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-21 16:04:01,132 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-21 16:04:01,133 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-21 16:04:01,133 INFO L274 PluginConnector]: CDTParser initialized [2024-11-21 16:04:01,136 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c [2024-11-21 16:04:02,309 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/32a414b4a/adb087ddebc94b35a045582ad5dd4e73/FLAG0ae7b43fd [2024-11-21 16:04:02,501 INFO L384 CDTParser]: Found 1 translation units. [2024-11-21 16:04:02,501 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c [2024-11-21 16:04:02,508 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/32a414b4a/adb087ddebc94b35a045582ad5dd4e73/FLAG0ae7b43fd [2024-11-21 16:04:02,879 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/32a414b4a/adb087ddebc94b35a045582ad5dd4e73 [2024-11-21 16:04:02,881 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-21 16:04:02,882 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-21 16:04:02,883 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-21 16:04:02,884 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-21 16:04:02,887 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-21 16:04:02,887 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:04:02" (1/1) ... [2024-11-21 16:04:02,889 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@751c626b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:04:02, skipping insertion in model container [2024-11-21 16:04:02,889 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:04:02" (1/1) ... [2024-11-21 16:04:02,903 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-21 16:04:03,040 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-series2.wvr.c[4284,4297] [2024-11-21 16:04:03,050 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 16:04:03,059 INFO L200 MainTranslator]: Completed pre-run [2024-11-21 16:04:03,084 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-series2.wvr.c[4284,4297] [2024-11-21 16:04:03,091 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 16:04:03,103 INFO L204 MainTranslator]: Completed translation [2024-11-21 16:04:03,104 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:04:03 WrapperNode [2024-11-21 16:04:03,104 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-21 16:04:03,105 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-21 16:04:03,105 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-21 16:04:03,105 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-21 16:04:03,110 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:04:03" (1/1) ... [2024-11-21 16:04:03,121 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:04:03" (1/1) ... [2024-11-21 16:04:03,152 INFO L138 Inliner]: procedures = 26, calls = 63, calls flagged for inlining = 22, calls inlined = 28, statements flattened = 329 [2024-11-21 16:04:03,152 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-21 16:04:03,153 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-21 16:04:03,153 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-21 16:04:03,153 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-21 16:04:03,159 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:04:03" (1/1) ... [2024-11-21 16:04:03,159 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:04:03" (1/1) ... [2024-11-21 16:04:03,163 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:04:03" (1/1) ... [2024-11-21 16:04:03,163 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:04:03" (1/1) ... [2024-11-21 16:04:03,176 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:04:03" (1/1) ... [2024-11-21 16:04:03,180 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:04:03" (1/1) ... [2024-11-21 16:04:03,183 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:04:03" (1/1) ... [2024-11-21 16:04:03,188 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:04:03" (1/1) ... [2024-11-21 16:04:03,189 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:04:03" (1/1) ... [2024-11-21 16:04:03,191 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-21 16:04:03,196 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-21 16:04:03,196 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-21 16:04:03,196 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-21 16:04:03,197 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:04:03" (1/1) ... [2024-11-21 16:04:03,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-21 16:04:03,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:04:03,226 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 16:04:03,228 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 16:04:03,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-21 16:04:03,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-21 16:04:03,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-21 16:04:03,249 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-21 16:04:03,249 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-21 16:04:03,249 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-21 16:04:03,249 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-21 16:04:03,249 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-21 16:04:03,249 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-21 16:04:03,249 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-11-21 16:04:03,249 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-11-21 16:04:03,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-21 16:04:03,250 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-21 16:04:03,250 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-21 16:04:03,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-21 16:04:03,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-21 16:04:03,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-21 16:04:03,251 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 16:04:03,338 INFO L234 CfgBuilder]: Building ICFG [2024-11-21 16:04:03,340 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-21 16:04:03,675 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-21 16:04:03,676 INFO L283 CfgBuilder]: Performing block encoding [2024-11-21 16:04:03,923 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-21 16:04:03,923 INFO L312 CfgBuilder]: Removed 7 assume(true) statements. [2024-11-21 16:04:03,924 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:04:03 BoogieIcfgContainer [2024-11-21 16:04:03,924 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-21 16:04:03,926 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-21 16:04:03,926 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-21 16:04:03,930 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-21 16:04:03,930 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 04:04:02" (1/3) ... [2024-11-21 16:04:03,930 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@434d30a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:04:03, skipping insertion in model container [2024-11-21 16:04:03,930 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:04:03" (2/3) ... [2024-11-21 16:04:03,931 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@434d30a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:04:03, skipping insertion in model container [2024-11-21 16:04:03,931 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:04:03" (3/3) ... [2024-11-21 16:04:03,931 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-more-buffer-series2.wvr.c [2024-11-21 16:04:03,942 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-21 16:04:03,943 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-more-buffer-series2.wvr.c that has 5 procedures, 44 locations, 1 initial locations, 7 loop locations, and 1 error locations. [2024-11-21 16:04:03,943 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-21 16:04:03,982 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-11-21 16:04:04,021 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 16:04:04,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-21 16:04:04,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:04:04,024 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 16:04:04,032 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 16:04:04,092 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-21 16:04:04,102 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-21 16:04:04,107 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;@556a76f3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 16:04:04,107 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-11-21 16:04:05,107 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 16:04:05,108 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:04:05,108 INFO L139 ounterexampleChecker]: Examining path program with hash -1102027996, occurence #1 [2024-11-21 16:04:05,108 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 16:04:05,108 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:04:05,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:04:05,111 INFO L85 PathProgramCache]: Analyzing trace with hash -1517646267, now seen corresponding path program 1 times [2024-11-21 16:04:05,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:04:05,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629272101] [2024-11-21 16:04:05,117 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:05,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:05,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:05,923 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 16:04:05,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:04:05,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629272101] [2024-11-21 16:04:05,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629272101] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 16:04:05,926 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 16:04:05,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-21 16:04:05,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417670601] [2024-11-21 16:04:05,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 16:04:05,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-21 16:04:05,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:04:05,947 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-21 16:04:05,948 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-21 16:04:05,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:04:05,949 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:04:05,950 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 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 16:04:05,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:04:06,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:06,066 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-21 16:04:06,067 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 16:04:06,067 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:04:06,067 INFO L139 ounterexampleChecker]: Examining path program with hash -1102027996, occurence #2 [2024-11-21 16:04:06,067 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:04:06,067 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2024-11-21 16:04:06,068 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:04:06,068 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2024-11-21 16:04:06,068 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:04:06,068 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2024-11-21 16:04:06,079 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:06,080 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-11-21 16:04:06,080 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:06,080 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-21 16:04:06,080 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:06,080 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2024-11-21 16:04:06,080 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:06,080 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 62 [2024-11-21 16:04:06,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:04:06,162 INFO L85 PathProgramCache]: Analyzing trace with hash -697206599, now seen corresponding path program 1 times [2024-11-21 16:04:06,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:04:06,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086668252] [2024-11-21 16:04:06,163 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:06,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:06,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:06,428 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 16:04:06,428 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:04:06,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086668252] [2024-11-21 16:04:06,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086668252] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 16:04:06,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 16:04:06,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-21 16:04:06,430 INFO L172 ounterexampleChecker]: Successfully proved commutativity at non-minimality point 62. Constructing proof automaton... [2024-11-21 16:04:06,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 16:04:06,431 INFO L309 artialOrderCegarLoop]: Commutativity proof succeeded, skipping feasibility check. [2024-11-21 16:04:06,432 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-21 16:04:06,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SMTINTERPOL [2024-11-21 16:04:06,433 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-21 16:04:06,433 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-21 16:04:06,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:04:06,435 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:04:06,435 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 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 16:04:06,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:06,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:04:06,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:06,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:06,520 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-21 16:04:06,520 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 16:04:06,520 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:04:06,520 INFO L139 ounterexampleChecker]: Examining path program with hash -1102027996, occurence #3 [2024-11-21 16:04:06,520 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:04:06,520 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2024-11-21 16:04:06,520 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:04:06,521 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-11-21 16:04:06,521 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:04:06,521 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-11-21 16:04:06,521 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:06,521 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2024-11-21 16:04:06,521 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:06,521 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-11-21 16:04:06,521 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:06,521 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-11-21 16:04:06,521 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:06,521 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 63 [2024-11-21 16:04:06,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:04:06,576 INFO L85 PathProgramCache]: Analyzing trace with hash 235346349, now seen corresponding path program 1 times [2024-11-21 16:04:06,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:04:06,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179582350] [2024-11-21 16:04:06,576 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:06,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:06,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:06,849 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 16:04:06,850 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:04:06,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179582350] [2024-11-21 16:04:06,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [179582350] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:06,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [593677608] [2024-11-21 16:04:06,851 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:06,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:06,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:06,911 INFO L256 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-21 16:04:06,915 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:04:07,014 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 16:04:07,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [593677608] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:07,014 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:04:07,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-21 16:04:07,015 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:04:07,015 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2024-11-21 16:04:07,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:04:07,118 INFO L85 PathProgramCache]: Analyzing trace with hash -186499378, now seen corresponding path program 1 times [2024-11-21 16:04:07,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:04:07,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972187289] [2024-11-21 16:04:07,118 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:07,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:07,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:07,480 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 16:04:07,480 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:04:07,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972187289] [2024-11-21 16:04:07,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972187289] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:07,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1704687045] [2024-11-21 16:04:07,481 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:07,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:07,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:07,530 INFO L256 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-21 16:04:07,532 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:04:07,618 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 16:04:07,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1704687045] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:07,618 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:04:07,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-21 16:04:07,619 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:04:07,619 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 91 [2024-11-21 16:04:07,619 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:07,619 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2024-11-21 16:04:07,619 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:04:07,619 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 16:04:07,619 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:04:07,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:04:07,620 INFO L85 PathProgramCache]: Analyzing trace with hash 760295702, now seen corresponding path program 1 times [2024-11-21 16:04:07,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:04:07,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060392192] [2024-11-21 16:04:07,620 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:07,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:07,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:07,967 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 16:04:07,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:04:07,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060392192] [2024-11-21 16:04:07,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060392192] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:07,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1103429091] [2024-11-21 16:04:07,968 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:07,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:04:07,968 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:04:07,973 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 16:04:07,980 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 16:04:08,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:08,110 INFO L256 TraceCheckSpWp]: Trace formula consists of 557 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-21 16:04:08,113 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:04:08,183 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 16:04:08,183 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:04:08,273 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 16:04:08,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1103429091] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:04:08,273 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:04:08,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-11-21 16:04:08,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455826531] [2024-11-21 16:04:08,273 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:04:08,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-21 16:04:08,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:04:08,275 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-21 16:04:08,275 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-21 16:04:08,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:04:08,275 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:04:08,275 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.333333333333334) internal successors, (100), 11 states have internal predecessors, (100), 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 16:04:08,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:08,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:08,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:04:08,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:08,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:08,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:04:08,443 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 16:04:08,631 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 16:04:08,631 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 16:04:08,634 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:04:08,634 INFO L139 ounterexampleChecker]: Examining path program with hash -1102027996, occurence #4 [2024-11-21 16:04:08,634 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:04:08,634 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2024-11-21 16:04:08,634 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:04:08,634 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2024-11-21 16:04:08,635 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:04:08,635 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-11-21 16:04:08,635 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:08,635 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-21 16:04:08,635 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:08,635 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-11-21 16:04:08,635 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:08,635 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-11-21 16:04:08,635 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:08,635 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 64 [2024-11-21 16:04:08,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:04:08,702 INFO L85 PathProgramCache]: Analyzing trace with hash 427625617, now seen corresponding path program 1 times [2024-11-21 16:04:08,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:04:08,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214720275] [2024-11-21 16:04:08,702 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:08,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:08,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:08,983 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 16:04:08,983 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:04:08,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214720275] [2024-11-21 16:04:08,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214720275] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:08,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1350563690] [2024-11-21 16:04:08,983 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:08,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:09,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:09,022 INFO L256 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-21 16:04:09,024 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:04:09,172 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 16:04:09,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1350563690] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:09,172 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:04:09,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2024-11-21 16:04:09,173 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:04:09,173 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 72 [2024-11-21 16:04:09,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:04:09,237 INFO L85 PathProgramCache]: Analyzing trace with hash -6392910, now seen corresponding path program 1 times [2024-11-21 16:04:09,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:04:09,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458457782] [2024-11-21 16:04:09,238 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:09,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:09,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:09,502 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 16:04:09,503 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:04:09,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458457782] [2024-11-21 16:04:09,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1458457782] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:09,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1949092608] [2024-11-21 16:04:09,503 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:09,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:09,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:09,543 INFO L256 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-21 16:04:09,545 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:04:09,701 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 16:04:09,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1949092608] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:09,701 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:04:09,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2024-11-21 16:04:09,701 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:04:09,701 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 92 [2024-11-21 16:04:09,701 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:09,701 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2024-11-21 16:04:09,701 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:04:09,702 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 16:04:09,702 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:04:09,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:04:09,702 INFO L85 PathProgramCache]: Analyzing trace with hash -1451990408, now seen corresponding path program 2 times [2024-11-21 16:04:09,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:04:09,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203999309] [2024-11-21 16:04:09,702 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:09,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:09,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:10,015 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 16:04:10,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:04:10,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203999309] [2024-11-21 16:04:10,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203999309] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:10,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1256503844] [2024-11-21 16:04:10,015 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 16:04:10,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:04:10,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:04:10,017 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 16:04:10,019 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 16:04:10,143 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-21 16:04:10,143 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 16:04:10,145 INFO L256 TraceCheckSpWp]: Trace formula consists of 539 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-21 16:04:10,147 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:04:10,243 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 16:04:10,243 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-21 16:04:10,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1256503844] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 16:04:10,243 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-21 16:04:10,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2024-11-21 16:04:10,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236716099] [2024-11-21 16:04:10,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 16:04:10,244 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-21 16:04:10,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:04:10,244 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-21 16:04:10,244 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-21 16:04:10,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:04:10,244 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:04:10,244 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 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 16:04:10,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:10,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:10,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:04:10,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:04:10,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:10,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:10,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:04:10,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:10,414 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-21 16:04:10,601 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 16:04:10,601 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 16:04:10,601 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:04:10,602 INFO L139 ounterexampleChecker]: Examining path program with hash 830847904, occurence #1 [2024-11-21 16:04:10,602 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 16:04:10,602 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:04:10,602 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:04:10,602 INFO L85 PathProgramCache]: Analyzing trace with hash 784364074, now seen corresponding path program 3 times [2024-11-21 16:04:10,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:04:10,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934912065] [2024-11-21 16:04:10,602 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:10,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:10,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:11,161 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 16:04:11,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:04:11,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934912065] [2024-11-21 16:04:11,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934912065] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:11,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1983195027] [2024-11-21 16:04:11,162 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-21 16:04:11,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:04:11,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:04:11,164 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 16:04:11,165 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 16:04:11,331 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-21 16:04:11,331 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 16:04:11,334 INFO L256 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-21 16:04:11,336 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:04:11,790 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 16:04:11,791 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-21 16:04:11,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1983195027] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 16:04:11,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-21 16:04:11,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [7] total 26 [2024-11-21 16:04:11,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285301910] [2024-11-21 16:04:11,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 16:04:11,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-21 16:04:11,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:04:11,793 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-21 16:04:11,793 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=163, Invalid=487, Unknown=0, NotChecked=0, Total=650 [2024-11-21 16:04:11,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:04:11,793 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:04:11,793 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 5.8) internal successors, (116), 20 states have internal predecessors, (116), 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 16:04:11,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:11,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:11,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:04:11,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:11,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:04:14,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:14,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:14,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:04:14,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:14,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-21 16:04:14,874 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-21 16:04:15,065 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 16:04:15,066 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 16:04:15,066 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:04:15,066 INFO L139 ounterexampleChecker]: Examining path program with hash 148734343, occurence #1 [2024-11-21 16:04:15,066 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 16:04:15,066 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:04:15,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:04:15,067 INFO L85 PathProgramCache]: Analyzing trace with hash 1153877597, now seen corresponding path program 4 times [2024-11-21 16:04:15,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:04:15,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815608774] [2024-11-21 16:04:15,067 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:15,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:15,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:15,876 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 16:04:15,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:04:15,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815608774] [2024-11-21 16:04:15,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815608774] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:15,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1276280064] [2024-11-21 16:04:15,876 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-21 16:04:15,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:04:15,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:04:15,880 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 16:04:15,883 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 16:04:16,169 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-21 16:04:16,169 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 16:04:16,174 INFO L256 TraceCheckSpWp]: Trace formula consists of 1192 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-21 16:04:16,178 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:04:16,258 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 127 proven. 1 refuted. 0 times theorem prover too weak. 332 trivial. 0 not checked. [2024-11-21 16:04:16,258 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:04:16,358 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 122 proven. 6 refuted. 0 times theorem prover too weak. 332 trivial. 0 not checked. [2024-11-21 16:04:16,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1276280064] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:04:16,359 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:04:16,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 15 [2024-11-21 16:04:16,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695986369] [2024-11-21 16:04:16,359 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:04:16,360 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-21 16:04:16,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:04:16,361 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-21 16:04:16,362 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2024-11-21 16:04:16,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:04:16,362 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:04:16,362 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 8.6) internal successors, (129), 15 states have internal predecessors, (129), 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 16:04:16,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:16,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:16,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:04:16,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:16,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-11-21 16:04:16,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:04:16,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:16,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:16,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:04:16,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:16,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-21 16:04:16,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:04:16,548 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-21 16:04:16,733 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 16:04:16,734 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 16:04:16,734 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:04:16,736 INFO L139 ounterexampleChecker]: Examining path program with hash 148734343, occurence #2 [2024-11-21 16:04:16,736 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:04:16,737 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-11-21 16:04:16,738 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:04:16,738 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-11-21 16:04:16,739 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:04:16,739 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-11-21 16:04:16,739 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:16,739 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-21 16:04:16,739 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:16,739 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2024-11-21 16:04:16,739 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:16,739 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-11-21 16:04:16,739 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:16,739 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 69 [2024-11-21 16:04:16,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:04:16,807 INFO L85 PathProgramCache]: Analyzing trace with hash 1942445862, now seen corresponding path program 1 times [2024-11-21 16:04:16,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:04:16,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876686605] [2024-11-21 16:04:16,807 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:16,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:16,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:17,078 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 54 proven. 12 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-21 16:04:17,079 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:04:17,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876686605] [2024-11-21 16:04:17,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876686605] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:17,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [459783516] [2024-11-21 16:04:17,079 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:17,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:17,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:17,114 INFO L256 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-21 16:04:17,115 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:04:17,331 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 60 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-21 16:04:17,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [459783516] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:17,331 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:04:17,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2024-11-21 16:04:17,333 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:04:17,333 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 111 is hopeless, skipping. [2024-11-21 16:04:17,333 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 141 is hopeless, skipping. [2024-11-21 16:04:17,333 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 164 [2024-11-21 16:04:17,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:04:17,384 INFO L85 PathProgramCache]: Analyzing trace with hash 1295419408, now seen corresponding path program 1 times [2024-11-21 16:04:17,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:04:17,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420987383] [2024-11-21 16:04:17,384 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:17,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:17,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:17,965 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 6 proven. 120 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2024-11-21 16:04:17,965 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:04:17,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420987383] [2024-11-21 16:04:17,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420987383] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:17,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1181787762] [2024-11-21 16:04:17,966 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:17,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:18,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:18,039 INFO L256 TraceCheckSpWp]: Trace formula consists of 822 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-21 16:04:18,042 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:04:18,312 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 116 proven. 10 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2024-11-21 16:04:18,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1181787762] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:18,312 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:04:18,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2024-11-21 16:04:18,312 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:04:18,312 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 165 is hopeless, skipping. [2024-11-21 16:04:18,312 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 216 [2024-11-21 16:04:18,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:04:18,386 INFO L85 PathProgramCache]: Analyzing trace with hash -963754889, now seen corresponding path program 1 times [2024-11-21 16:04:18,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:04:18,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500315424] [2024-11-21 16:04:18,386 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:18,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:18,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:19,128 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 85 proven. 114 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-11-21 16:04:19,129 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:04:19,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500315424] [2024-11-21 16:04:19,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500315424] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:19,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [894900836] [2024-11-21 16:04:19,129 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:19,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:19,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:19,221 INFO L256 TraceCheckSpWp]: Trace formula consists of 1055 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-21 16:04:19,223 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:04:19,571 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 193 proven. 6 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-11-21 16:04:19,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [894900836] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:19,572 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:04:19,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2024-11-21 16:04:19,572 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:04:19,572 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 228 is hopeless, skipping. [2024-11-21 16:04:19,572 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 238 is hopeless, skipping. [2024-11-21 16:04:19,572 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 247 [2024-11-21 16:04:19,572 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:19,572 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 249 [2024-11-21 16:04:19,572 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:04:19,572 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 16:04:19,572 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:04:19,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:04:19,573 INFO L85 PathProgramCache]: Analyzing trace with hash 895579630, now seen corresponding path program 5 times [2024-11-21 16:04:19,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:04:19,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154158556] [2024-11-21 16:04:19,573 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:19,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:19,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:20,248 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 85 proven. 114 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2024-11-21 16:04:20,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:04:20,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154158556] [2024-11-21 16:04:20,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1154158556] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:20,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [196875382] [2024-11-21 16:04:20,249 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-21 16:04:20,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:04:20,249 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:04:20,251 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 16:04:20,255 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 16:04:20,999 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2024-11-21 16:04:20,999 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 16:04:21,012 INFO L256 TraceCheckSpWp]: Trace formula consists of 1210 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-21 16:04:21,016 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:04:21,283 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 71 proven. 268 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2024-11-21 16:04:21,283 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:04:22,233 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 20 proven. 436 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-21 16:04:22,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [196875382] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:04:22,235 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:04:22,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 31] total 45 [2024-11-21 16:04:22,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281228151] [2024-11-21 16:04:22,235 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:04:22,236 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2024-11-21 16:04:22,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:04:22,238 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2024-11-21 16:04:22,239 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=573, Invalid=1497, Unknown=0, NotChecked=0, Total=2070 [2024-11-21 16:04:22,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:04:22,239 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:04:22,240 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 8.58695652173913) internal successors, (395), 45 states have internal predecessors, (395), 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 16:04:22,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:22,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:22,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:04:22,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:22,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-11-21 16:04:22,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:04:22,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:04:23,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:23,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:23,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:04:23,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:23,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-21 16:04:23,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:04:23,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 16:04:23,209 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 16:04:23,395 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 16:04:23,395 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 16:04:23,395 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:04:23,396 INFO L139 ounterexampleChecker]: Examining path program with hash 885345557, occurence #1 [2024-11-21 16:04:23,396 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 16:04:23,396 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:04:23,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:04:23,396 INFO L85 PathProgramCache]: Analyzing trace with hash -1234749968, now seen corresponding path program 6 times [2024-11-21 16:04:23,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:04:23,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122629197] [2024-11-21 16:04:23,397 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:23,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:23,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:24,355 INFO L134 CoverageAnalysis]: Checked inductivity of 758 backedges. 118 proven. 190 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2024-11-21 16:04:24,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:04:24,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122629197] [2024-11-21 16:04:24,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122629197] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:24,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [78054089] [2024-11-21 16:04:24,355 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-21 16:04:24,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:04:24,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:04:24,358 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 16:04:24,359 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 16:04:24,554 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2024-11-21 16:04:24,554 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 16:04:24,556 INFO L256 TraceCheckSpWp]: Trace formula consists of 566 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-21 16:04:24,561 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:04:24,937 INFO L134 CoverageAnalysis]: Checked inductivity of 758 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 755 trivial. 0 not checked. [2024-11-21 16:04:24,937 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:04:25,339 INFO L134 CoverageAnalysis]: Checked inductivity of 758 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 755 trivial. 0 not checked. [2024-11-21 16:04:25,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [78054089] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:04:25,339 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:04:25,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9, 9] total 26 [2024-11-21 16:04:25,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147963167] [2024-11-21 16:04:25,339 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:04:25,340 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-21 16:04:25,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:04:25,340 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-21 16:04:25,341 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=544, Unknown=0, NotChecked=0, Total=650 [2024-11-21 16:04:25,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:04:25,341 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:04:25,341 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 6.3076923076923075) internal successors, (164), 26 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 16:04:25,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:25,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:25,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:04:25,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:25,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-11-21 16:04:25,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:04:25,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 16:04:25,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:04:25,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:25,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:25,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:04:25,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:25,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-21 16:04:25,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:04:25,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 16:04:25,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:04:25,841 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-21 16:04:26,032 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 16:04:26,033 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 16:04:26,033 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:04:26,033 INFO L139 ounterexampleChecker]: Examining path program with hash 885345557, occurence #2 [2024-11-21 16:04:26,033 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:04:26,033 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-11-21 16:04:26,033 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:04:26,033 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2024-11-21 16:04:26,033 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:04:26,033 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-11-21 16:04:26,033 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:26,033 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-11-21 16:04:26,033 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:26,033 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2024-11-21 16:04:26,033 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:26,033 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2024-11-21 16:04:26,033 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:26,033 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 72 [2024-11-21 16:04:26,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:04:26,106 INFO L85 PathProgramCache]: Analyzing trace with hash 591862204, now seen corresponding path program 1 times [2024-11-21 16:04:26,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:04:26,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300039167] [2024-11-21 16:04:26,107 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:26,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:26,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:26,297 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 45 proven. 21 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-21 16:04:26,297 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:04:26,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300039167] [2024-11-21 16:04:26,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300039167] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:26,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1770417218] [2024-11-21 16:04:26,297 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:26,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:26,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:26,321 INFO L256 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-21 16:04:26,323 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:04:26,510 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 60 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-21 16:04:26,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1770417218] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:26,510 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:04:26,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2024-11-21 16:04:26,510 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:04:26,510 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 114 is hopeless, skipping. [2024-11-21 16:04:26,510 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 144 is hopeless, skipping. [2024-11-21 16:04:26,511 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 171 is hopeless, skipping. [2024-11-21 16:04:26,511 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 198 is hopeless, skipping. [2024-11-21 16:04:26,511 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 221 [2024-11-21 16:04:26,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:04:26,554 INFO L85 PathProgramCache]: Analyzing trace with hash -1627483064, now seen corresponding path program 1 times [2024-11-21 16:04:26,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:04:26,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919358269] [2024-11-21 16:04:26,555 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:26,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:26,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:27,224 INFO L134 CoverageAnalysis]: Checked inductivity of 627 backedges. 24 proven. 247 refuted. 0 times theorem prover too weak. 356 trivial. 0 not checked. [2024-11-21 16:04:27,225 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:04:27,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919358269] [2024-11-21 16:04:27,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919358269] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:27,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1547713898] [2024-11-21 16:04:27,225 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:27,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:27,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:27,313 INFO L256 TraceCheckSpWp]: Trace formula consists of 1059 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-21 16:04:27,320 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:04:27,737 INFO L134 CoverageAnalysis]: Checked inductivity of 627 backedges. 246 proven. 25 refuted. 0 times theorem prover too weak. 356 trivial. 0 not checked. [2024-11-21 16:04:27,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1547713898] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:27,738 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:04:27,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2024-11-21 16:04:27,738 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:04:27,738 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 222 is hopeless, skipping. [2024-11-21 16:04:27,738 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 273 [2024-11-21 16:04:27,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:04:27,778 INFO L85 PathProgramCache]: Analyzing trace with hash 1703811631, now seen corresponding path program 1 times [2024-11-21 16:04:27,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:04:27,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100016956] [2024-11-21 16:04:27,779 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:27,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:27,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:28,669 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 118 proven. 195 refuted. 0 times theorem prover too weak. 447 trivial. 0 not checked. [2024-11-21 16:04:28,670 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:04:28,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100016956] [2024-11-21 16:04:28,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2100016956] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:28,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1187830530] [2024-11-21 16:04:28,670 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:28,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:28,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:28,781 INFO L256 TraceCheckSpWp]: Trace formula consists of 1292 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-21 16:04:28,785 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:04:29,286 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 298 proven. 15 refuted. 0 times theorem prover too weak. 447 trivial. 0 not checked. [2024-11-21 16:04:29,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1187830530] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:29,287 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:04:29,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2024-11-21 16:04:29,287 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:04:29,287 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 285 is hopeless, skipping. [2024-11-21 16:04:29,287 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 295 is hopeless, skipping. [2024-11-21 16:04:29,287 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 304 [2024-11-21 16:04:29,287 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:29,287 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 306 [2024-11-21 16:04:29,287 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:04:29,287 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 16:04:29,287 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:04:29,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:04:29,287 INFO L85 PathProgramCache]: Analyzing trace with hash -319772865, now seen corresponding path program 7 times [2024-11-21 16:04:29,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:04:29,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380461242] [2024-11-21 16:04:29,287 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:29,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:29,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:30,212 INFO L134 CoverageAnalysis]: Checked inductivity of 766 backedges. 118 proven. 195 refuted. 0 times theorem prover too weak. 453 trivial. 0 not checked. [2024-11-21 16:04:30,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:04:30,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380461242] [2024-11-21 16:04:30,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [380461242] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:30,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [219586588] [2024-11-21 16:04:30,213 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-21 16:04:30,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:04:30,213 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:04:30,215 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 16:04:30,216 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 16:04:30,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:30,529 INFO L256 TraceCheckSpWp]: Trace formula consists of 1447 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-21 16:04:30,534 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:04:30,767 INFO L134 CoverageAnalysis]: Checked inductivity of 766 backedges. 347 proven. 6 refuted. 0 times theorem prover too weak. 413 trivial. 0 not checked. [2024-11-21 16:04:30,767 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:04:30,998 INFO L134 CoverageAnalysis]: Checked inductivity of 766 backedges. 308 proven. 45 refuted. 0 times theorem prover too weak. 413 trivial. 0 not checked. [2024-11-21 16:04:30,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [219586588] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:04:30,998 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:04:30,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 10, 10] total 29 [2024-11-21 16:04:30,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835595409] [2024-11-21 16:04:30,999 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:04:30,999 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-21 16:04:30,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:04:31,000 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-21 16:04:31,000 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=681, Unknown=0, NotChecked=0, Total=812 [2024-11-21 16:04:31,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:04:31,000 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:04:31,001 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 7.275862068965517) internal successors, (211), 29 states have internal predecessors, (211), 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 16:04:31,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:31,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:31,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:04:31,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:31,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-11-21 16:04:31,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:04:31,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 16:04:31,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:04:31,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:04:31,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:31,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:31,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:04:31,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:31,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-21 16:04:31,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:04:31,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 16:04:31,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:04:31,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:04:31,282 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 16:04:31,468 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 16:04:31,468 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 16:04:31,468 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:04:31,469 INFO L139 ounterexampleChecker]: Examining path program with hash 885345557, occurence #3 [2024-11-21 16:04:31,469 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:04:31,469 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-11-21 16:04:31,469 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:04:31,469 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-11-21 16:04:31,469 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:04:31,469 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-11-21 16:04:31,469 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:31,469 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-11-21 16:04:31,469 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:31,469 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2024-11-21 16:04:31,469 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:31,469 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2024-11-21 16:04:31,469 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:31,469 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2024-11-21 16:04:31,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:04:31,543 INFO L85 PathProgramCache]: Analyzing trace with hash -1662372268, now seen corresponding path program 1 times [2024-11-21 16:04:31,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:04:31,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104594369] [2024-11-21 16:04:31,543 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:31,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:31,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:31,867 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-11-21 16:04:31,867 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:04:31,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104594369] [2024-11-21 16:04:31,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104594369] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 16:04:31,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 16:04:31,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-21 16:04:31,867 INFO L172 ounterexampleChecker]: Successfully proved commutativity at non-minimality point 74. Constructing proof automaton... [2024-11-21 16:04:31,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 16:04:31,868 INFO L309 artialOrderCegarLoop]: Commutativity proof succeeded, skipping feasibility check. [2024-11-21 16:04:31,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-21 16:04:31,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SMTINTERPOL [2024-11-21 16:04:31,868 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-21 16:04:31,868 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-21 16:04:31,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:04:31,868 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:04:31,868 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 6 states have internal predecessors, (41), 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 16:04:31,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:31,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:31,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:04:31,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:31,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-11-21 16:04:31,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:04:31,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 16:04:31,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:04:31,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:04:31,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:04:31,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:32,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:32,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:04:32,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:32,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-21 16:04:32,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:04:32,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 16:04:32,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:04:32,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:04:32,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:04:32,000 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-21 16:04:32,000 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 16:04:32,000 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:04:32,001 INFO L139 ounterexampleChecker]: Examining path program with hash 885345557, occurence #4 [2024-11-21 16:04:32,001 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:04:32,001 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-11-21 16:04:32,001 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:04:32,001 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-11-21 16:04:32,001 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:04:32,001 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-11-21 16:04:32,001 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:32,001 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-11-21 16:04:32,001 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:32,001 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2024-11-21 16:04:32,001 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:32,001 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2024-11-21 16:04:32,002 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:32,002 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-11-21 16:04:32,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:04:32,064 INFO L85 PathProgramCache]: Analyzing trace with hash -1152702171, now seen corresponding path program 1 times [2024-11-21 16:04:32,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:04:32,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092334870] [2024-11-21 16:04:32,064 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:32,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:32,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:32,324 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 47 proven. 10 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-11-21 16:04:32,324 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:04:32,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092334870] [2024-11-21 16:04:32,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092334870] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:32,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1060921225] [2024-11-21 16:04:32,324 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:32,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:32,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:32,377 INFO L256 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-21 16:04:32,378 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:04:32,629 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 40 proven. 21 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-21 16:04:32,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1060921225] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:32,629 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:04:32,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10] total 17 [2024-11-21 16:04:32,629 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:04:32,629 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 117 is hopeless, skipping. [2024-11-21 16:04:32,629 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 147 is hopeless, skipping. [2024-11-21 16:04:32,630 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 174 is hopeless, skipping. [2024-11-21 16:04:32,630 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 201 is hopeless, skipping. [2024-11-21 16:04:32,630 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 224 [2024-11-21 16:04:32,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:04:32,675 INFO L85 PathProgramCache]: Analyzing trace with hash 45056279, now seen corresponding path program 1 times [2024-11-21 16:04:32,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:04:32,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052952019] [2024-11-21 16:04:32,675 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:32,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:32,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:33,466 INFO L134 CoverageAnalysis]: Checked inductivity of 638 backedges. 24 proven. 287 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2024-11-21 16:04:33,467 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:04:33,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052952019] [2024-11-21 16:04:33,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052952019] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:33,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [221268542] [2024-11-21 16:04:33,468 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:33,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:33,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:33,569 INFO L256 TraceCheckSpWp]: Trace formula consists of 1086 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-21 16:04:33,572 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:04:34,026 INFO L134 CoverageAnalysis]: Checked inductivity of 638 backedges. 259 proven. 52 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2024-11-21 16:04:34,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [221268542] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:34,026 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:04:34,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 28 [2024-11-21 16:04:34,027 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:04:34,027 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 225 is hopeless, skipping. [2024-11-21 16:04:34,027 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 276 [2024-11-21 16:04:34,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:04:34,066 INFO L85 PathProgramCache]: Analyzing trace with hash 9845630, now seen corresponding path program 1 times [2024-11-21 16:04:34,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:04:34,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295684803] [2024-11-21 16:04:34,066 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:34,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:34,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:34,785 INFO L134 CoverageAnalysis]: Checked inductivity of 771 backedges. 129 proven. 153 refuted. 0 times theorem prover too weak. 489 trivial. 0 not checked. [2024-11-21 16:04:34,786 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:04:34,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295684803] [2024-11-21 16:04:34,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295684803] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:34,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1551444502] [2024-11-21 16:04:34,786 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:34,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:34,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:34,903 INFO L256 TraceCheckSpWp]: Trace formula consists of 1319 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-21 16:04:34,907 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:04:35,239 INFO L134 CoverageAnalysis]: Checked inductivity of 771 backedges. 272 proven. 10 refuted. 0 times theorem prover too weak. 489 trivial. 0 not checked. [2024-11-21 16:04:35,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1551444502] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:35,240 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:04:35,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 21 [2024-11-21 16:04:35,240 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:04:35,240 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 288 is hopeless, skipping. [2024-11-21 16:04:35,240 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 298 is hopeless, skipping. [2024-11-21 16:04:35,240 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 307 [2024-11-21 16:04:35,241 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:35,241 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 309 [2024-11-21 16:04:35,241 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:04:35,241 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 16:04:35,241 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:04:35,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:04:35,241 INFO L85 PathProgramCache]: Analyzing trace with hash -1586841662, now seen corresponding path program 1 times [2024-11-21 16:04:35,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:04:35,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50236735] [2024-11-21 16:04:35,241 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:35,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:35,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:36,316 INFO L134 CoverageAnalysis]: Checked inductivity of 777 backedges. 118 proven. 275 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2024-11-21 16:04:36,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:04:36,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50236735] [2024-11-21 16:04:36,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50236735] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:36,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [761046709] [2024-11-21 16:04:36,316 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:36,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:04:36,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:04:36,318 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 16:04:36,319 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 16:04:36,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:36,587 INFO L256 TraceCheckSpWp]: Trace formula consists of 1474 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-21 16:04:36,591 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:04:36,854 INFO L134 CoverageAnalysis]: Checked inductivity of 777 backedges. 383 proven. 10 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2024-11-21 16:04:36,855 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:04:37,119 INFO L134 CoverageAnalysis]: Checked inductivity of 777 backedges. 359 proven. 34 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2024-11-21 16:04:37,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [761046709] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:04:37,119 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:04:37,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12, 12] total 35 [2024-11-21 16:04:37,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630733841] [2024-11-21 16:04:37,120 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:04:37,120 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-11-21 16:04:37,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:04:37,121 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-11-21 16:04:37,121 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=181, Invalid=1009, Unknown=0, NotChecked=0, Total=1190 [2024-11-21 16:04:37,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:04:37,121 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:04:37,122 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 7.085714285714285) internal successors, (248), 35 states have internal predecessors, (248), 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 16:04:37,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:37,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:37,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:04:37,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:37,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-11-21 16:04:37,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:04:37,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 16:04:37,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:04:37,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:04:37,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:04:37,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:04:37,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:37,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:37,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:04:37,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:37,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-21 16:04:37,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:04:37,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 16:04:37,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:04:37,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:04:37,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:04:37,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:04:37,406 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-21 16:04:37,594 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,SelfDestructingSolverStorable31,SelfDestructingSolverStorable32,SelfDestructingSolverStorable33,SelfDestructingSolverStorable34,SelfDestructingSolverStorable35,SelfDestructingSolverStorable36,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:04:37,594 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 16:04:37,594 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:04:37,595 INFO L139 ounterexampleChecker]: Examining path program with hash 885345557, occurence #5 [2024-11-21 16:04:37,595 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:04:37,595 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-11-21 16:04:37,595 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:04:37,595 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-11-21 16:04:37,595 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:04:37,595 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2024-11-21 16:04:37,595 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:37,595 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-11-21 16:04:37,595 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:37,595 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2024-11-21 16:04:37,595 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:37,595 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2024-11-21 16:04:37,595 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:37,595 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2024-11-21 16:04:37,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:04:37,660 INFO L85 PathProgramCache]: Analyzing trace with hash -1771745923, now seen corresponding path program 1 times [2024-11-21 16:04:37,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:04:37,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942897068] [2024-11-21 16:04:37,660 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:37,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:37,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:37,954 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 40 proven. 11 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-11-21 16:04:37,954 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:04:37,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942897068] [2024-11-21 16:04:37,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942897068] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:37,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [2086437666] [2024-11-21 16:04:37,954 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:37,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:37,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:37,992 INFO L256 TraceCheckSpWp]: Trace formula consists of 520 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-21 16:04:37,994 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:04:38,310 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 36 proven. 25 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-21 16:04:38,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [2086437666] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:38,310 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:04:38,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 12] total 20 [2024-11-21 16:04:38,310 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:04:38,310 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 119 is hopeless, skipping. [2024-11-21 16:04:38,310 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 149 is hopeless, skipping. [2024-11-21 16:04:38,311 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 176 is hopeless, skipping. [2024-11-21 16:04:38,311 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 203 is hopeless, skipping. [2024-11-21 16:04:38,311 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 226 [2024-11-21 16:04:38,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:04:38,355 INFO L85 PathProgramCache]: Analyzing trace with hash 718693425, now seen corresponding path program 1 times [2024-11-21 16:04:38,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:04:38,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173479496] [2024-11-21 16:04:38,355 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:38,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:38,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:39,394 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 34 proven. 348 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-11-21 16:04:39,395 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:04:39,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173479496] [2024-11-21 16:04:39,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173479496] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:39,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1301766468] [2024-11-21 16:04:39,395 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:39,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:39,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:39,488 INFO L256 TraceCheckSpWp]: Trace formula consists of 1104 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-21 16:04:39,491 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:04:39,993 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 313 proven. 69 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-11-21 16:04:39,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1301766468] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:39,993 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:04:39,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2024-11-21 16:04:39,993 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:04:39,993 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 227 is hopeless, skipping. [2024-11-21 16:04:39,993 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 278 [2024-11-21 16:04:40,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:04:40,032 INFO L85 PathProgramCache]: Analyzing trace with hash -301504488, now seen corresponding path program 1 times [2024-11-21 16:04:40,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:04:40,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340072160] [2024-11-21 16:04:40,032 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:40,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:40,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:40,849 INFO L134 CoverageAnalysis]: Checked inductivity of 783 backedges. 7 proven. 141 refuted. 0 times theorem prover too weak. 635 trivial. 0 not checked. [2024-11-21 16:04:40,849 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:04:40,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340072160] [2024-11-21 16:04:40,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [340072160] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:40,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [189414520] [2024-11-21 16:04:40,849 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:40,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:40,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:40,969 INFO L256 TraceCheckSpWp]: Trace formula consists of 1337 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-21 16:04:40,972 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:04:41,546 INFO L134 CoverageAnalysis]: Checked inductivity of 783 backedges. 367 proven. 67 refuted. 0 times theorem prover too weak. 349 trivial. 0 not checked. [2024-11-21 16:04:41,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [189414520] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:41,546 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:04:41,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 17] total 30 [2024-11-21 16:04:41,550 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:04:41,550 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 290 is hopeless, skipping. [2024-11-21 16:04:41,550 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 300 is hopeless, skipping. [2024-11-21 16:04:41,550 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 309 [2024-11-21 16:04:41,550 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:41,550 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 311 [2024-11-21 16:04:41,550 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:04:41,550 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 16:04:41,550 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:04:41,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:04:41,551 INFO L85 PathProgramCache]: Analyzing trace with hash 1951760403, now seen corresponding path program 2 times [2024-11-21 16:04:41,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:04:41,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931061510] [2024-11-21 16:04:41,551 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:41,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:41,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:43,093 INFO L134 CoverageAnalysis]: Checked inductivity of 789 backedges. 118 proven. 316 refuted. 0 times theorem prover too weak. 355 trivial. 0 not checked. [2024-11-21 16:04:43,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:04:43,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931061510] [2024-11-21 16:04:43,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931061510] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:43,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1383362334] [2024-11-21 16:04:43,094 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 16:04:43,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:04:43,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:04:43,096 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 16:04:43,097 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 16:04:43,395 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-21 16:04:43,395 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 16:04:43,404 INFO L256 TraceCheckSpWp]: Trace formula consists of 1492 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-21 16:04:43,408 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:04:43,748 INFO L134 CoverageAnalysis]: Checked inductivity of 789 backedges. 437 proven. 15 refuted. 0 times theorem prover too weak. 337 trivial. 0 not checked. [2024-11-21 16:04:43,748 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:04:44,085 INFO L134 CoverageAnalysis]: Checked inductivity of 789 backedges. 390 proven. 62 refuted. 0 times theorem prover too weak. 337 trivial. 0 not checked. [2024-11-21 16:04:44,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1383362334] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:04:44,085 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:04:44,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 14, 14] total 41 [2024-11-21 16:04:44,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057743413] [2024-11-21 16:04:44,086 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:04:44,086 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2024-11-21 16:04:44,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:04:44,087 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2024-11-21 16:04:44,088 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=241, Invalid=1399, Unknown=0, NotChecked=0, Total=1640 [2024-11-21 16:04:44,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:04:44,088 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:04:44,089 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 6.878048780487805) internal successors, (282), 41 states have internal predecessors, (282), 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 16:04:44,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:44,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:44,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:04:44,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:44,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-11-21 16:04:44,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:04:44,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 16:04:44,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:04:44,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:04:44,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:04:44,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:04:44,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:04:44,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:44,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:44,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:04:44,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:44,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-21 16:04:44,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:04:44,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 16:04:44,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:04:44,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:04:44,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:04:44,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:04:44,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:04:44,359 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 16:04:44,537 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,SelfDestructingSolverStorable41,SelfDestructingSolverStorable42,SelfDestructingSolverStorable43,11 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37,SelfDestructingSolverStorable38,SelfDestructingSolverStorable39 [2024-11-21 16:04:44,537 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 16:04:44,537 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:04:44,538 INFO L139 ounterexampleChecker]: Examining path program with hash 885345557, occurence #6 [2024-11-21 16:04:44,538 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:04:44,538 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-11-21 16:04:44,538 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:04:44,538 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-11-21 16:04:44,538 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:04:44,538 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-11-21 16:04:44,538 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:44,538 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2024-11-21 16:04:44,538 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:44,538 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2024-11-21 16:04:44,538 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:44,538 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2024-11-21 16:04:44,538 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:44,538 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 79 [2024-11-21 16:04:44,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:04:44,594 INFO L85 PathProgramCache]: Analyzing trace with hash 421380759, now seen corresponding path program 1 times [2024-11-21 16:04:44,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:04:44,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367847274] [2024-11-21 16:04:44,595 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:44,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:44,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:44,856 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 36 proven. 25 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-21 16:04:44,857 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:04:44,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367847274] [2024-11-21 16:04:44,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367847274] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:44,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1942469301] [2024-11-21 16:04:44,858 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:44,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:44,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:44,907 INFO L256 TraceCheckSpWp]: Trace formula consists of 538 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-21 16:04:44,909 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:04:45,100 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 39 proven. 8 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-11-21 16:04:45,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1942469301] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:45,100 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:04:45,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 16 [2024-11-21 16:04:45,101 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:04:45,101 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 121 is hopeless, skipping. [2024-11-21 16:04:45,101 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 151 is hopeless, skipping. [2024-11-21 16:04:45,102 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 178 is hopeless, skipping. [2024-11-21 16:04:45,102 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 205 is hopeless, skipping. [2024-11-21 16:04:45,102 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 228 [2024-11-21 16:04:45,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:04:45,149 INFO L85 PathProgramCache]: Analyzing trace with hash 1073906633, now seen corresponding path program 1 times [2024-11-21 16:04:45,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:04:45,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276215903] [2024-11-21 16:04:45,150 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:45,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:45,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:46,222 INFO L134 CoverageAnalysis]: Checked inductivity of 664 backedges. 47 proven. 374 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2024-11-21 16:04:46,222 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:04:46,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276215903] [2024-11-21 16:04:46,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276215903] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:46,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [283779110] [2024-11-21 16:04:46,223 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:46,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:46,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:46,317 INFO L256 TraceCheckSpWp]: Trace formula consists of 1122 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-21 16:04:46,319 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:04:46,862 INFO L134 CoverageAnalysis]: Checked inductivity of 664 backedges. 327 proven. 94 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2024-11-21 16:04:46,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [283779110] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:46,863 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:04:46,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 36 [2024-11-21 16:04:46,863 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:04:46,863 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 229 is hopeless, skipping. [2024-11-21 16:04:46,863 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 280 [2024-11-21 16:04:46,915 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:04:46,916 INFO L85 PathProgramCache]: Analyzing trace with hash 75181616, now seen corresponding path program 1 times [2024-11-21 16:04:46,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:04:46,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85637092] [2024-11-21 16:04:46,919 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:46,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:47,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:48,255 INFO L134 CoverageAnalysis]: Checked inductivity of 797 backedges. 128 proven. 378 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2024-11-21 16:04:48,255 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:04:48,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85637092] [2024-11-21 16:04:48,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [85637092] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:48,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [852278716] [2024-11-21 16:04:48,256 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:48,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:48,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:48,404 INFO L256 TraceCheckSpWp]: Trace formula consists of 1355 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-21 16:04:48,407 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:04:49,134 INFO L134 CoverageAnalysis]: Checked inductivity of 797 backedges. 420 proven. 86 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2024-11-21 16:04:49,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [852278716] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:49,135 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:04:49,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 36 [2024-11-21 16:04:49,135 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:04:49,135 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 292 is hopeless, skipping. [2024-11-21 16:04:49,135 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 302 is hopeless, skipping. [2024-11-21 16:04:49,135 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 311 [2024-11-21 16:04:49,135 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:49,135 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 313 [2024-11-21 16:04:49,135 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:04:49,135 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 16:04:49,135 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:04:49,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:04:49,135 INFO L85 PathProgramCache]: Analyzing trace with hash -653589918, now seen corresponding path program 3 times [2024-11-21 16:04:49,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:04:49,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111144967] [2024-11-21 16:04:49,135 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:49,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:49,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:50,393 INFO L134 CoverageAnalysis]: Checked inductivity of 803 backedges. 128 proven. 378 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2024-11-21 16:04:50,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:04:50,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111144967] [2024-11-21 16:04:50,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111144967] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:50,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [722390416] [2024-11-21 16:04:50,393 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-21 16:04:50,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:04:50,394 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:04:50,396 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 16:04:50,397 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 16:04:50,710 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-21 16:04:50,710 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 16:04:50,714 INFO L256 TraceCheckSpWp]: Trace formula consists of 865 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-21 16:04:50,721 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:04:51,300 INFO L134 CoverageAnalysis]: Checked inductivity of 803 backedges. 133 proven. 21 refuted. 0 times theorem prover too weak. 649 trivial. 0 not checked. [2024-11-21 16:04:51,301 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:04:51,956 INFO L134 CoverageAnalysis]: Checked inductivity of 803 backedges. 6 proven. 148 refuted. 0 times theorem prover too weak. 649 trivial. 0 not checked. [2024-11-21 16:04:51,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [722390416] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:04:51,956 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:04:51,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 17, 17] total 49 [2024-11-21 16:04:51,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045720089] [2024-11-21 16:04:51,956 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:04:51,957 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2024-11-21 16:04:51,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:04:51,958 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2024-11-21 16:04:51,959 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=335, Invalid=2017, Unknown=0, NotChecked=0, Total=2352 [2024-11-21 16:04:51,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:04:51,959 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:04:51,959 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 5.857142857142857) internal successors, (287), 49 states have internal predecessors, (287), 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 16:04:51,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:51,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:51,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:04:51,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:51,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-11-21 16:04:51,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:04:51,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 16:04:51,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:04:51,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:04:51,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:04:51,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:04:51,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:04:51,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:04:52,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:52,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:52,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:04:52,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:52,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-21 16:04:52,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:04:52,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 16:04:52,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:04:52,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:04:52,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:04:52,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:04:52,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:04:52,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-21 16:04:52,846 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-21 16:04:53,032 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,SelfDestructingSolverStorable50,SelfDestructingSolverStorable44,SelfDestructingSolverStorable45,SelfDestructingSolverStorable46,SelfDestructingSolverStorable47,SelfDestructingSolverStorable48,SelfDestructingSolverStorable49 [2024-11-21 16:04:53,032 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 16:04:53,032 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:04:53,032 INFO L139 ounterexampleChecker]: Examining path program with hash 885345557, occurence #7 [2024-11-21 16:04:53,032 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:04:53,032 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2024-11-21 16:04:53,032 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:04:53,032 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-11-21 16:04:53,032 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:04:53,033 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-11-21 16:04:53,033 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:53,033 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2024-11-21 16:04:53,033 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:53,033 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2024-11-21 16:04:53,033 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:53,033 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-21 16:04:53,033 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:53,033 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 81 [2024-11-21 16:04:53,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:04:53,096 INFO L85 PathProgramCache]: Analyzing trace with hash 2092703535, now seen corresponding path program 1 times [2024-11-21 16:04:53,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:04:53,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816759654] [2024-11-21 16:04:53,096 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:53,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:53,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:53,413 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 50 proven. 4 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-11-21 16:04:53,414 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:04:53,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816759654] [2024-11-21 16:04:53,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816759654] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:53,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1378537084] [2024-11-21 16:04:53,414 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:53,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:53,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:53,444 INFO L256 TraceCheckSpWp]: Trace formula consists of 556 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-21 16:04:53,445 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:04:53,576 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 42 proven. 12 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-11-21 16:04:53,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1378537084] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:53,576 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:04:53,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2024-11-21 16:04:53,576 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:04:53,576 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 123 is hopeless, skipping. [2024-11-21 16:04:53,576 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 153 is hopeless, skipping. [2024-11-21 16:04:53,577 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 180 is hopeless, skipping. [2024-11-21 16:04:53,577 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 207 is hopeless, skipping. [2024-11-21 16:04:53,577 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 230 [2024-11-21 16:04:53,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:04:53,622 INFO L85 PathProgramCache]: Analyzing trace with hash -978659677, now seen corresponding path program 1 times [2024-11-21 16:04:53,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:04:53,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753757951] [2024-11-21 16:04:53,623 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:53,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:53,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:54,578 INFO L134 CoverageAnalysis]: Checked inductivity of 680 backedges. 67 proven. 417 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2024-11-21 16:04:54,578 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:04:54,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753757951] [2024-11-21 16:04:54,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753757951] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:54,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1701523263] [2024-11-21 16:04:54,578 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:54,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:54,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:54,671 INFO L256 TraceCheckSpWp]: Trace formula consists of 1140 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-21 16:04:54,674 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:04:55,382 INFO L134 CoverageAnalysis]: Checked inductivity of 680 backedges. 371 proven. 113 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2024-11-21 16:04:55,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1701523263] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:55,383 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:04:55,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 40 [2024-11-21 16:04:55,383 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:04:55,383 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 231 is hopeless, skipping. [2024-11-21 16:04:55,383 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 282 [2024-11-21 16:04:55,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:04:55,426 INFO L85 PathProgramCache]: Analyzing trace with hash -1612092790, now seen corresponding path program 1 times [2024-11-21 16:04:55,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:04:55,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579354997] [2024-11-21 16:04:55,426 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:55,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:55,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:56,419 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 153 proven. 269 refuted. 0 times theorem prover too weak. 391 trivial. 0 not checked. [2024-11-21 16:04:56,419 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:04:56,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579354997] [2024-11-21 16:04:56,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1579354997] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:56,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1137280425] [2024-11-21 16:04:56,419 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:56,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:56,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:56,541 INFO L256 TraceCheckSpWp]: Trace formula consists of 1373 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-21 16:04:56,543 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:04:56,948 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 394 proven. 28 refuted. 0 times theorem prover too weak. 391 trivial. 0 not checked. [2024-11-21 16:04:56,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1137280425] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:56,948 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:04:56,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 33 [2024-11-21 16:04:56,948 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:04:56,948 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 294 is hopeless, skipping. [2024-11-21 16:04:56,949 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 304 is hopeless, skipping. [2024-11-21 16:04:56,949 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 313 [2024-11-21 16:04:56,949 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:56,949 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 315 [2024-11-21 16:04:56,949 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:04:56,949 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 16:04:56,949 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:04:56,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:04:56,949 INFO L85 PathProgramCache]: Analyzing trace with hash 1887365747, now seen corresponding path program 4 times [2024-11-21 16:04:56,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:04:56,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185302927] [2024-11-21 16:04:56,949 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:56,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:57,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:58,407 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 157 proven. 358 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2024-11-21 16:04:58,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:04:58,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185302927] [2024-11-21 16:04:58,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185302927] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:58,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [718790250] [2024-11-21 16:04:58,407 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-21 16:04:58,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:04:58,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:04:58,410 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 16:04:58,411 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 16:04:58,730 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-21 16:04:58,730 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 16:04:58,736 INFO L256 TraceCheckSpWp]: Trace formula consists of 1528 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-21 16:04:58,739 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:04:59,165 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 529 proven. 28 refuted. 0 times theorem prover too weak. 262 trivial. 0 not checked. [2024-11-21 16:04:59,165 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:04:59,713 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 487 proven. 70 refuted. 0 times theorem prover too weak. 262 trivial. 0 not checked. [2024-11-21 16:04:59,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [718790250] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:04:59,713 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:04:59,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 18, 18] total 53 [2024-11-21 16:04:59,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331742798] [2024-11-21 16:04:59,713 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:04:59,714 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2024-11-21 16:04:59,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:04:59,714 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2024-11-21 16:04:59,715 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=403, Invalid=2353, Unknown=0, NotChecked=0, Total=2756 [2024-11-21 16:04:59,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:04:59,715 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:04:59,716 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 6.566037735849057) internal successors, (348), 53 states have internal predecessors, (348), 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 16:04:59,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:59,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:59,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:04:59,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:59,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-11-21 16:04:59,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:04:59,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 16:04:59,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:04:59,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:04:59,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:04:59,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:04:59,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:04:59,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-21 16:04:59,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:04:59,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:59,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:59,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:04:59,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:59,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-21 16:04:59,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:04:59,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 16:04:59,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:04:59,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:04:59,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:04:59,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:04:59,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:04:59,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-21 16:04:59,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-21 16:05:00,007 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 16:05:00,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,SelfDestructingSolverStorable52,SelfDestructingSolverStorable53,SelfDestructingSolverStorable54,SelfDestructingSolverStorable55,SelfDestructingSolverStorable56,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable57 [2024-11-21 16:05:00,189 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 16:05:00,189 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:05:00,189 INFO L139 ounterexampleChecker]: Examining path program with hash 885345557, occurence #8 [2024-11-21 16:05:00,189 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:05:00,189 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-21 16:05:00,189 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:05:00,189 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2024-11-21 16:05:00,189 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:05:00,189 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2024-11-21 16:05:00,189 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:05:00,189 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2024-11-21 16:05:00,189 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:05:00,189 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2024-11-21 16:05:00,189 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:05:00,189 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-21 16:05:00,189 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:05:00,189 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 83 [2024-11-21 16:05:00,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:05:00,243 INFO L85 PathProgramCache]: Analyzing trace with hash 1793303561, now seen corresponding path program 1 times [2024-11-21 16:05:00,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:05:00,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693601057] [2024-11-21 16:05:00,244 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:05:00,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:05:00,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:05:00,615 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 31 proven. 30 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-11-21 16:05:00,616 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:05:00,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693601057] [2024-11-21 16:05:00,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693601057] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:05:00,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [308424180] [2024-11-21 16:05:00,616 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:05:00,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:05:00,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:05:00,653 INFO L256 TraceCheckSpWp]: Trace formula consists of 574 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-21 16:05:00,655 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:05:00,919 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 42 proven. 18 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-21 16:05:00,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [308424180] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:05:00,919 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:05:00,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 10] total 22 [2024-11-21 16:05:00,920 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:05:00,920 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 125 is hopeless, skipping. [2024-11-21 16:05:00,920 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 155 is hopeless, skipping. [2024-11-21 16:05:00,920 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 182 is hopeless, skipping. [2024-11-21 16:05:00,920 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 209 is hopeless, skipping. [2024-11-21 16:05:00,920 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 232 [2024-11-21 16:05:00,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:05:00,966 INFO L85 PathProgramCache]: Analyzing trace with hash -666943877, now seen corresponding path program 1 times [2024-11-21 16:05:00,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:05:00,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029400572] [2024-11-21 16:05:00,967 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:05:00,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:05:01,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:05:02,057 INFO L134 CoverageAnalysis]: Checked inductivity of 698 backedges. 117 proven. 437 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-21 16:05:02,058 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:05:02,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029400572] [2024-11-21 16:05:02,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029400572] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:05:02,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1208429192] [2024-11-21 16:05:02,058 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:05:02,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:05:02,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:05:02,154 INFO L256 TraceCheckSpWp]: Trace formula consists of 1158 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-21 16:05:02,157 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:05:02,969 INFO L134 CoverageAnalysis]: Checked inductivity of 698 backedges. 412 proven. 142 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-21 16:05:02,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1208429192] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:05:02,970 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:05:02,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 44 [2024-11-21 16:05:02,970 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:05:02,970 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 233 is hopeless, skipping. [2024-11-21 16:05:02,970 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 284 [2024-11-21 16:05:03,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:05:03,012 INFO L85 PathProgramCache]: Analyzing trace with hash 543021282, now seen corresponding path program 1 times [2024-11-21 16:05:03,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:05:03,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566316977] [2024-11-21 16:05:03,013 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:05:03,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:05:03,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:05:04,049 INFO L134 CoverageAnalysis]: Checked inductivity of 831 backedges. 59 proven. 371 refuted. 0 times theorem prover too weak. 401 trivial. 0 not checked. [2024-11-21 16:05:04,049 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:05:04,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566316977] [2024-11-21 16:05:04,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566316977] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:05:04,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1359601165] [2024-11-21 16:05:04,050 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:05:04,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:05:04,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:05:04,190 INFO L256 TraceCheckSpWp]: Trace formula consists of 1391 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-21 16:05:04,192 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:05:04,774 INFO L134 CoverageAnalysis]: Checked inductivity of 831 backedges. 390 proven. 40 refuted. 0 times theorem prover too weak. 401 trivial. 0 not checked. [2024-11-21 16:05:04,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1359601165] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:05:04,775 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:05:04,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 36 [2024-11-21 16:05:04,775 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:05:04,775 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 296 is hopeless, skipping. [2024-11-21 16:05:04,775 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 306 is hopeless, skipping. [2024-11-21 16:05:04,775 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 315 [2024-11-21 16:05:04,775 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:05:04,775 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 317 [2024-11-21 16:05:04,775 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:05:04,775 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 16:05:04,775 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:05:04,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:05:04,775 INFO L85 PathProgramCache]: Analyzing trace with hash -1287977726, now seen corresponding path program 5 times [2024-11-21 16:05:04,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:05:04,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816098360] [2024-11-21 16:05:04,775 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:05:04,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:05:04,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:05:06,302 INFO L134 CoverageAnalysis]: Checked inductivity of 837 backedges. 157 proven. 399 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2024-11-21 16:05:06,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:05:06,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816098360] [2024-11-21 16:05:06,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816098360] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:05:06,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019455111] [2024-11-21 16:05:06,305 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-21 16:05:06,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:05:06,305 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:05:06,308 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 16:05:06,309 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 16:05:18,745 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) [2024-11-21 16:05:18,746 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 16:05:18,768 INFO L256 TraceCheckSpWp]: Trace formula consists of 1546 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-21 16:05:18,771 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:05:19,891 INFO L134 CoverageAnalysis]: Checked inductivity of 837 backedges. 649 proven. 128 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-21 16:05:19,891 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:05:21,327 INFO L134 CoverageAnalysis]: Checked inductivity of 837 backedges. 692 proven. 85 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-21 16:05:21,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2019455111] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:05:21,327 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:05:21,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 33, 33] total 87 [2024-11-21 16:05:21,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407565936] [2024-11-21 16:05:21,327 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:05:21,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 88 states [2024-11-21 16:05:21,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:05:21,329 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2024-11-21 16:05:21,330 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2163, Invalid=5493, Unknown=0, NotChecked=0, Total=7656 [2024-11-21 16:05:21,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:05:21,331 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:05:21,331 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 88 states, 88 states have (on average 7.011363636363637) internal successors, (617), 87 states have internal predecessors, (617), 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 16:05:21,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:05:21,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:05:21,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:05:21,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:05:21,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-11-21 16:05:21,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:05:21,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 16:05:21,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:05:21,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:05:21,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:05:21,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:05:21,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:05:21,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-21 16:05:21,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-11-21 16:05:21,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:05:22,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:05:22,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:05:22,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:05:22,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:05:22,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-21 16:05:22,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:05:22,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 16:05:22,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:05:22,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:05:22,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:05:22,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:05:22,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:05:22,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-21 16:05:22,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-21 16:05:22,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-21 16:05:22,319 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 16:05:22,482 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,SelfDestructingSolverStorable61,SelfDestructingSolverStorable62,SelfDestructingSolverStorable63,SelfDestructingSolverStorable64,SelfDestructingSolverStorable58,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable59 [2024-11-21 16:05:22,482 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 16:05:22,482 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:05:22,483 INFO L139 ounterexampleChecker]: Examining path program with hash 885345557, occurence #9 [2024-11-21 16:05:22,483 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:05:22,483 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-11-21 16:05:22,483 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:05:22,483 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2024-11-21 16:05:22,483 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:05:22,483 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-21 16:05:22,483 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:05:22,483 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-21 16:05:22,483 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:05:22,483 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2024-11-21 16:05:22,483 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:05:22,483 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2024-11-21 16:05:22,483 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:05:22,483 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2024-11-21 16:05:22,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:05:22,549 INFO L85 PathProgramCache]: Analyzing trace with hash 1254305490, now seen corresponding path program 1 times [2024-11-21 16:05:22,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:05:22,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905445354] [2024-11-21 16:05:22,549 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:05:22,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:05:22,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:05:22,873 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 39 proven. 8 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-11-21 16:05:22,874 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:05:22,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905445354] [2024-11-21 16:05:22,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905445354] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:05:22,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1794537345] [2024-11-21 16:05:22,874 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:05:22,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:05:22,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:05:22,916 INFO L256 TraceCheckSpWp]: Trace formula consists of 664 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-21 16:05:22,917 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:05:23,199 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 42 proven. 18 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2024-11-21 16:05:23,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1794537345] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:05:23,200 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:05:23,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10] total 18 [2024-11-21 16:05:23,200 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:05:23,200 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 135 is hopeless, skipping. [2024-11-21 16:05:23,200 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 165 is hopeless, skipping. [2024-11-21 16:05:23,200 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 192 is hopeless, skipping. [2024-11-21 16:05:23,200 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 219 is hopeless, skipping. [2024-11-21 16:05:23,200 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 242 [2024-11-21 16:05:23,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:05:23,242 INFO L85 PathProgramCache]: Analyzing trace with hash 2089937860, now seen corresponding path program 1 times [2024-11-21 16:05:23,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:05:23,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718716355] [2024-11-21 16:05:23,242 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:05:23,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:05:23,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:05:23,543 INFO L134 CoverageAnalysis]: Checked inductivity of 853 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 716 trivial. 0 not checked. [2024-11-21 16:05:23,543 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:05:23,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718716355] [2024-11-21 16:05:23,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718716355] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 16:05:23,544 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 16:05:23,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-21 16:05:23,544 INFO L172 ounterexampleChecker]: Successfully proved commutativity at non-minimality point 242. Constructing proof automaton... [2024-11-21 16:05:23,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 16:05:23,544 INFO L309 artialOrderCegarLoop]: Commutativity proof succeeded, skipping feasibility check. [2024-11-21 16:05:23,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-21 16:05:23,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SMTINTERPOL [2024-11-21 16:05:23,545 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-21 16:05:23,545 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-21 16:05:23,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:05:23,545 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:05:23,545 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 16:05:23,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:05:23,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:05:23,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:05:23,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:05:23,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-11-21 16:05:23,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:05:23,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 16:05:23,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:05:23,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:05:23,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:05:23,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:05:23,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:05:23,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-21 16:05:23,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-11-21 16:05:23,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-11-21 16:05:23,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:05:24,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:05:24,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:05:24,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:05:24,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:05:24,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-21 16:05:24,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:05:24,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 16:05:24,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:05:24,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:05:24,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:05:24,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:05:24,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:05:24,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-21 16:05:24,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-21 16:05:24,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-21 16:05:24,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:05:24,118 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65,SelfDestructingSolverStorable66,SelfDestructingSolverStorable67 [2024-11-21 16:05:24,118 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 16:05:24,118 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:05:24,118 INFO L139 ounterexampleChecker]: Examining path program with hash -2132123437, occurence #1 [2024-11-21 16:05:24,119 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 16:05:24,119 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:05:24,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:05:24,119 INFO L85 PathProgramCache]: Analyzing trace with hash -785162332, now seen corresponding path program 6 times [2024-11-21 16:05:24,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:05:24,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394914763] [2024-11-21 16:05:24,119 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:05:24,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:05:24,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:05:24,846 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 74 proven. 243 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2024-11-21 16:05:24,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:05:24,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394914763] [2024-11-21 16:05:24,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394914763] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:05:24,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1260326999] [2024-11-21 16:05:24,847 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-21 16:05:24,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:05:24,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:05:24,849 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 16:05:24,851 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 16:05:25,237 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2024-11-21 16:05:25,237 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 16:05:25,240 INFO L256 TraceCheckSpWp]: Trace formula consists of 623 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-21 16:05:25,242 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:05:25,566 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 82 proven. 75 refuted. 0 times theorem prover too weak. 412 trivial. 0 not checked. [2024-11-21 16:05:25,566 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:05:25,666 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 141 proven. 10 refuted. 0 times theorem prover too weak. 418 trivial. 0 not checked. [2024-11-21 16:05:25,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1260326999] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:05:25,666 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:05:25,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 11, 6] total 34 [2024-11-21 16:05:25,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844326404] [2024-11-21 16:05:25,666 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:05:25,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-21 16:05:25,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:05:25,667 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-21 16:05:25,667 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=982, Unknown=0, NotChecked=0, Total=1122 [2024-11-21 16:05:25,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:05:25,667 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:05:25,667 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 8.235294117647058) internal successors, (280), 34 states have internal predecessors, (280), 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 16:05:25,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:05:25,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:05:25,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:05:25,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:05:25,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-11-21 16:05:25,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:05:25,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 16:05:25,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:05:25,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:05:25,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:05:25,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:05:25,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:05:25,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-21 16:05:25,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-11-21 16:05:25,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-11-21 16:05:25,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:05:25,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:05:28,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:05:28,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:05:28,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:05:28,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:05:28,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-21 16:05:28,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:05:28,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 16:05:28,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:05:28,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:05:28,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:05:28,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:05:28,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:05:28,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-21 16:05:28,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-21 16:05:28,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-21 16:05:28,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:05:28,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-11-21 16:05:28,593 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-21 16:05:28,780 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,SelfDestructingSolverStorable68 [2024-11-21 16:05:28,780 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 16:05:28,780 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:05:28,780 INFO L139 ounterexampleChecker]: Examining path program with hash -504768386, occurence #1 [2024-11-21 16:05:28,781 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 16:05:28,781 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:05:28,781 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:05:28,781 INFO L85 PathProgramCache]: Analyzing trace with hash 2106873703, now seen corresponding path program 7 times [2024-11-21 16:05:28,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:05:28,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788077510] [2024-11-21 16:05:28,781 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:05:28,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:05:28,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:05:29,839 INFO L134 CoverageAnalysis]: Checked inductivity of 681 backedges. 256 proven. 213 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2024-11-21 16:05:29,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:05:29,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788077510] [2024-11-21 16:05:29,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788077510] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:05:29,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [679998538] [2024-11-21 16:05:29,842 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-21 16:05:29,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:05:29,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:05:29,844 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 16:05:29,845 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 16:05:30,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:05:30,176 INFO L256 TraceCheckSpWp]: Trace formula consists of 1257 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-21 16:05:30,179 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:05:30,778 INFO L134 CoverageAnalysis]: Checked inductivity of 681 backedges. 405 proven. 45 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-11-21 16:05:30,778 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:05:31,376 INFO L134 CoverageAnalysis]: Checked inductivity of 681 backedges. 342 proven. 108 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-11-21 16:05:31,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [679998538] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:05:31,376 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:05:31,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 22, 22] total 65 [2024-11-21 16:05:31,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627925640] [2024-11-21 16:05:31,377 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:05:31,377 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2024-11-21 16:05:31,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:05:31,378 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2024-11-21 16:05:31,379 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=739, Invalid=3421, Unknown=0, NotChecked=0, Total=4160 [2024-11-21 16:05:31,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:05:31,379 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:05:31,379 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 6.630769230769231) internal successors, (431), 65 states have internal predecessors, (431), 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 16:05:31,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:05:31,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:05:31,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:05:31,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:05:31,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-21 16:05:31,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:05:31,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 16:05:31,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:05:31,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:05:31,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:05:31,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:05:31,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:05:31,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-21 16:05:31,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-11-21 16:05:31,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-11-21 16:05:31,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:05:31,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-11-21 16:05:31,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:05:31,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:05:31,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:05:31,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:05:31,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:05:31,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-21 16:05:31,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:05:31,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 16:05:31,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:05:31,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:05:31,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:05:31,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:05:31,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:05:31,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-21 16:05:31,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-21 16:05:31,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-21 16:05:31,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:05:31,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-11-21 16:05:31,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-21 16:05:31,863 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-11-21 16:05:32,049 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,SelfDestructingSolverStorable69 [2024-11-21 16:05:32,049 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 16:05:32,049 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:05:32,050 INFO L139 ounterexampleChecker]: Examining path program with hash -504768386, occurence #2 [2024-11-21 16:05:32,050 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:05:32,050 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-11-21 16:05:32,050 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:05:32,050 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2024-11-21 16:05:32,050 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:05:32,050 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-21 16:05:32,050 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:05:32,050 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2024-11-21 16:05:32,050 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:05:32,050 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2024-11-21 16:05:32,050 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:05:32,050 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 47 [2024-11-21 16:05:32,050 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:05:32,050 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2024-11-21 16:05:32,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:05:32,108 INFO L85 PathProgramCache]: Analyzing trace with hash 2098699520, now seen corresponding path program 1 times [2024-11-21 16:05:32,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:05:32,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679313073] [2024-11-21 16:05:32,109 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:05:32,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:05:32,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:05:32,376 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 33 proven. 2 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2024-11-21 16:05:32,377 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:05:32,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679313073] [2024-11-21 16:05:32,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679313073] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:05:32,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [675105385] [2024-11-21 16:05:32,377 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:05:32,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:05:32,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:05:32,418 INFO L256 TraceCheckSpWp]: Trace formula consists of 682 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-21 16:05:32,420 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:05:32,685 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 36 proven. 25 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-11-21 16:05:32,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [675105385] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:05:32,686 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:05:32,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 12] total 18 [2024-11-21 16:05:32,686 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:05:32,686 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 137 is hopeless, skipping. [2024-11-21 16:05:32,686 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 232 [2024-11-21 16:05:32,687 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:05:32,687 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 233 [2024-11-21 16:05:32,687 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:05:32,687 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 16:05:32,687 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:05:32,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:05:32,687 INFO L85 PathProgramCache]: Analyzing trace with hash 157839188, now seen corresponding path program 8 times [2024-11-21 16:05:32,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:05:32,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269000665] [2024-11-21 16:05:32,688 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:05:32,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:05:32,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:05:33,881 INFO L134 CoverageAnalysis]: Checked inductivity of 691 backedges. 256 proven. 223 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2024-11-21 16:05:33,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:05:33,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269000665] [2024-11-21 16:05:33,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269000665] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:05:33,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [270000491] [2024-11-21 16:05:33,881 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 16:05:33,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:05:33,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:05:33,883 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 16:05:33,884 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 16:05:34,222 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-21 16:05:34,222 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 16:05:34,227 INFO L256 TraceCheckSpWp]: Trace formula consists of 1266 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-21 16:05:34,230 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:05:34,744 INFO L134 CoverageAnalysis]: Checked inductivity of 691 backedges. 413 proven. 55 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2024-11-21 16:05:34,745 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:05:35,344 INFO L134 CoverageAnalysis]: Checked inductivity of 691 backedges. 336 proven. 132 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2024-11-21 16:05:35,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [270000491] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:05:35,344 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:05:35,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 24, 24] total 70 [2024-11-21 16:05:35,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926236846] [2024-11-21 16:05:35,344 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:05:35,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2024-11-21 16:05:35,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:05:35,346 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2024-11-21 16:05:35,347 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=864, Invalid=3966, Unknown=0, NotChecked=0, Total=4830 [2024-11-21 16:05:35,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:05:35,347 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:05:35,347 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 70 states, 70 states have (on average 6.514285714285714) internal successors, (456), 70 states have internal predecessors, (456), 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 16:05:35,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:05:35,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:05:35,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:05:35,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:05:35,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-21 16:05:35,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:05:35,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 16:05:35,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:05:35,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:05:35,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:05:35,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:05:35,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:05:35,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-21 16:05:35,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-11-21 16:05:35,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-11-21 16:05:35,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:05:35,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-11-21 16:05:35,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-21 16:05:35,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:05:35,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:05:35,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:05:35,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:05:35,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:05:35,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-21 16:05:35,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:05:35,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 16:05:35,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:05:35,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:05:35,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:05:35,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:05:35,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:05:35,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-21 16:05:35,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-21 16:05:35,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-21 16:05:35,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:05:35,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-11-21 16:05:35,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-21 16:05:35,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-21 16:05:35,858 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-21 16:05:36,044 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70,17 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable71,SelfDestructingSolverStorable72 [2024-11-21 16:05:36,044 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 16:05:36,044 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:05:36,044 INFO L139 ounterexampleChecker]: Examining path program with hash -504768386, occurence #3 [2024-11-21 16:05:36,044 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:05:36,044 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-11-21 16:05:36,044 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:05:36,044 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-21 16:05:36,044 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:05:36,044 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2024-11-21 16:05:36,044 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:05:36,044 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2024-11-21 16:05:36,044 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:05:36,044 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 44 [2024-11-21 16:05:36,044 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:05:36,044 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-11-21 16:05:36,045 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:05:36,045 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 96 [2024-11-21 16:05:36,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:05:36,098 INFO L85 PathProgramCache]: Analyzing trace with hash -1936778960, now seen corresponding path program 1 times [2024-11-21 16:05:36,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:05:36,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113018302] [2024-11-21 16:05:36,099 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:05:36,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:05:36,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:05:36,375 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 45 proven. 16 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-11-21 16:05:36,375 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:05:36,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113018302] [2024-11-21 16:05:36,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113018302] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:05:36,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [396904645] [2024-11-21 16:05:36,375 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:05:36,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:05:36,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:05:36,423 INFO L256 TraceCheckSpWp]: Trace formula consists of 691 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-21 16:05:36,425 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:05:36,616 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 40 proven. 11 refuted. 0 times theorem prover too weak. 286 trivial. 0 not checked. [2024-11-21 16:05:36,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [396904645] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:05:36,616 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:05:36,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 16 [2024-11-21 16:05:36,616 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:05:36,617 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 138 is hopeless, skipping. [2024-11-21 16:05:36,617 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 233 [2024-11-21 16:05:36,617 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:05:36,617 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 234 [2024-11-21 16:05:36,617 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:05:36,617 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 16:05:36,617 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:05:36,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:05:36,618 INFO L85 PathProgramCache]: Analyzing trace with hash -132688633, now seen corresponding path program 9 times [2024-11-21 16:05:36,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:05:36,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214927547] [2024-11-21 16:05:36,618 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:05:36,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:05:36,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:05:37,842 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 256 proven. 234 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2024-11-21 16:05:37,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:05:37,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214927547] [2024-11-21 16:05:37,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214927547] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:05:37,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2104136456] [2024-11-21 16:05:37,842 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-21 16:05:37,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:05:37,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:05:37,845 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 16:05:37,846 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 16:05:39,868 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-11-21 16:05:39,868 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 16:05:39,877 INFO L256 TraceCheckSpWp]: Trace formula consists of 1056 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-21 16:05:39,879 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:05:40,660 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 364 proven. 66 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2024-11-21 16:05:40,660 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:05:41,488 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 131 proven. 299 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2024-11-21 16:05:41,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2104136456] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:05:41,488 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:05:41,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 27, 27] total 77 [2024-11-21 16:05:41,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638146152] [2024-11-21 16:05:41,488 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:05:41,488 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 77 states [2024-11-21 16:05:41,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:05:41,490 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2024-11-21 16:05:41,491 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1176, Invalid=4676, Unknown=0, NotChecked=0, Total=5852 [2024-11-21 16:05:41,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:05:41,491 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:05:41,491 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 77 states, 77 states have (on average 5.909090909090909) internal successors, (455), 77 states have internal predecessors, (455), 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 16:05:41,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:05:41,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:05:41,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:05:41,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:05:41,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-21 16:05:41,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:05:41,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 16:05:41,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:05:41,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:05:41,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:05:41,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:05:41,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:05:41,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-21 16:05:41,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-11-21 16:05:41,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-11-21 16:05:41,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:05:41,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-11-21 16:05:41,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-21 16:05:41,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-21 16:05:41,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:05:42,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:05:42,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:05:42,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:05:42,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:05:42,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-21 16:05:42,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:05:42,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 16:05:42,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:05:42,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:05:42,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:05:42,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:05:42,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:05:42,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-21 16:05:42,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-21 16:05:42,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-21 16:05:42,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:05:42,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-11-21 16:05:42,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-21 16:05:42,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-21 16:05:42,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-21 16:05:42,267 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-11-21 16:05:42,450 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73,SelfDestructingSolverStorable74,SelfDestructingSolverStorable75,18 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:05:42,450 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 16:05:42,450 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:05:42,450 INFO L139 ounterexampleChecker]: Examining path program with hash -504768386, occurence #4 [2024-11-21 16:05:42,450 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:05:42,450 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-11-21 16:05:42,450 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:05:42,450 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-21 16:05:42,451 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:05:42,451 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-21 16:05:42,451 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:05:42,451 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2024-11-21 16:05:42,451 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:05:42,451 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2024-11-21 16:05:42,451 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:05:42,451 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 49 [2024-11-21 16:05:42,451 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:05:42,451 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2024-11-21 16:05:42,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:05:42,509 INFO L85 PathProgramCache]: Analyzing trace with hash 1812406950, now seen corresponding path program 1 times [2024-11-21 16:05:42,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:05:42,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23080437] [2024-11-21 16:05:42,509 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:05:42,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:05:42,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:05:42,786 INFO L134 CoverageAnalysis]: Checked inductivity of 349 backedges. 50 proven. 4 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2024-11-21 16:05:42,786 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:05:42,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23080437] [2024-11-21 16:05:42,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23080437] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:05:42,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [469029164] [2024-11-21 16:05:42,786 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:05:42,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:05:42,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:05:42,828 INFO L256 TraceCheckSpWp]: Trace formula consists of 700 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-21 16:05:42,830 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:05:43,016 INFO L134 CoverageAnalysis]: Checked inductivity of 349 backedges. 39 proven. 22 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-21 16:05:43,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [469029164] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:05:43,016 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:05:43,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 16 [2024-11-21 16:05:43,016 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:05:43,016 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 139 is hopeless, skipping. [2024-11-21 16:05:43,017 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 234 [2024-11-21 16:05:43,017 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:05:43,017 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 235 [2024-11-21 16:05:43,017 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:05:43,017 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 16:05:43,017 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:05:43,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:05:43,017 INFO L85 PathProgramCache]: Analyzing trace with hash -549116492, now seen corresponding path program 10 times [2024-11-21 16:05:43,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:05:43,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275807431] [2024-11-21 16:05:43,017 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:05:43,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:05:43,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:05:44,281 INFO L134 CoverageAnalysis]: Checked inductivity of 714 backedges. 256 proven. 246 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2024-11-21 16:05:44,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:05:44,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275807431] [2024-11-21 16:05:44,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275807431] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:05:44,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [569729596] [2024-11-21 16:05:44,282 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-21 16:05:44,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:05:44,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:05:44,284 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 16:05:44,285 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 16:05:44,641 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-21 16:05:44,641 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 16:05:44,646 INFO L256 TraceCheckSpWp]: Trace formula consists of 1284 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-21 16:05:44,649 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:05:45,401 INFO L134 CoverageAnalysis]: Checked inductivity of 714 backedges. 423 proven. 78 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2024-11-21 16:05:45,401 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:05:46,385 INFO L134 CoverageAnalysis]: Checked inductivity of 714 backedges. 388 proven. 113 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2024-11-21 16:05:46,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [569729596] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:05:46,385 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:05:46,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 28, 28] total 80 [2024-11-21 16:05:46,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322226335] [2024-11-21 16:05:46,386 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:05:46,386 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 80 states [2024-11-21 16:05:46,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:05:46,387 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2024-11-21 16:05:46,388 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1147, Invalid=5173, Unknown=0, NotChecked=0, Total=6320 [2024-11-21 16:05:46,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:05:46,389 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:05:46,389 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 80 states, 80 states have (on average 6.2875) internal successors, (503), 80 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 16:05:46,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:05:46,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:05:46,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:05:46,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:05:46,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-21 16:05:46,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:05:46,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 16:05:46,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:05:46,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:05:46,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:05:46,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:05:46,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:05:46,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-21 16:05:46,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-11-21 16:05:46,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-11-21 16:05:46,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:05:46,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-11-21 16:05:46,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-21 16:05:46,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-21 16:05:46,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-11-21 16:05:46,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:05:46,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:05:46,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:05:46,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:05:46,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:05:46,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-21 16:05:46,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:05:46,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 16:05:46,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:05:46,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:05:46,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:05:46,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:05:46,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:05:46,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-21 16:05:46,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-21 16:05:46,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-21 16:05:46,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:05:46,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-11-21 16:05:46,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-21 16:05:46,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-21 16:05:46,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-21 16:05:46,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-21 16:05:46,860 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-11-21 16:05:47,048 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76,SelfDestructingSolverStorable77,SelfDestructingSolverStorable78,19 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:05:47,048 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 16:05:47,049 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:05:47,049 INFO L139 ounterexampleChecker]: Examining path program with hash -504768386, occurence #5 [2024-11-21 16:05:47,049 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:05:47,049 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-11-21 16:05:47,049 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:05:47,049 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-21 16:05:47,049 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:05:47,049 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2024-11-21 16:05:47,049 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:05:47,049 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42 [2024-11-21 16:05:47,049 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:05:47,049 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 46 [2024-11-21 16:05:47,049 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:05:47,049 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 50 [2024-11-21 16:05:47,049 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:05:47,049 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 98 [2024-11-21 16:05:47,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:05:47,105 INFO L85 PathProgramCache]: Analyzing trace with hash 2073053078, now seen corresponding path program 1 times [2024-11-21 16:05:47,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:05:47,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801315169] [2024-11-21 16:05:47,105 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:05:47,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:05:47,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:05:47,348 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 33 proven. 2 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2024-11-21 16:05:47,349 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:05:47,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801315169] [2024-11-21 16:05:47,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801315169] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:05:47,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [14406682] [2024-11-21 16:05:47,349 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:05:47,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:05:47,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:05:47,395 INFO L256 TraceCheckSpWp]: Trace formula consists of 709 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-21 16:05:47,397 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:05:47,761 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 36 proven. 25 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2024-11-21 16:05:47,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [14406682] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:05:47,762 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:05:47,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 12] total 18 [2024-11-21 16:05:47,762 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:05:47,762 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 140 is hopeless, skipping. [2024-11-21 16:05:47,762 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 235 [2024-11-21 16:05:47,762 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:05:47,762 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 236 [2024-11-21 16:05:47,762 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:05:47,762 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 16:05:47,762 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:05:47,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:05:47,763 INFO L85 PathProgramCache]: Analyzing trace with hash -573478233, now seen corresponding path program 11 times [2024-11-21 16:05:47,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:05:47,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638594105] [2024-11-21 16:05:47,763 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:05:47,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:05:47,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:05:49,049 INFO L134 CoverageAnalysis]: Checked inductivity of 727 backedges. 256 proven. 259 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2024-11-21 16:05:49,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:05:49,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638594105] [2024-11-21 16:05:49,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638594105] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:05:49,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [29201348] [2024-11-21 16:05:49,049 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-21 16:05:49,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:05:49,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:05:49,051 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 16:05:49,052 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 16:07:44,891 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2024-11-21 16:07:44,892 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 16:07:44,930 INFO L256 TraceCheckSpWp]: Trace formula consists of 1293 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-21 16:07:44,932 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:07:46,008 INFO L134 CoverageAnalysis]: Checked inductivity of 727 backedges. 337 proven. 177 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2024-11-21 16:07:46,008 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:07:47,325 INFO L134 CoverageAnalysis]: Checked inductivity of 727 backedges. 368 proven. 146 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2024-11-21 16:07:47,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [29201348] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:07:47,326 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:07:47,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 32, 32] total 92 [2024-11-21 16:07:47,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164544687] [2024-11-21 16:07:47,326 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:07:47,327 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 92 states [2024-11-21 16:07:47,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:07:47,328 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 92 interpolants. [2024-11-21 16:07:47,329 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1931, Invalid=6441, Unknown=0, NotChecked=0, Total=8372 [2024-11-21 16:07:47,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:07:47,330 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:07:47,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 92 states, 92 states have (on average 6.380434782608695) internal successors, (587), 92 states have internal predecessors, (587), 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 16:07:47,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:07:47,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:07:47,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:07:47,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:07:47,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-21 16:07:47,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:07:47,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 16:07:47,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:07:47,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:07:47,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:07:47,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:07:47,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:07:47,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-21 16:07:47,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-11-21 16:07:47,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-11-21 16:07:47,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:07:47,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-11-21 16:07:47,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-21 16:07:47,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-21 16:07:47,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-11-21 16:07:47,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-11-21 16:07:47,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:07:48,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:07:48,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:07:48,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:07:48,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:07:48,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-21 16:07:48,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:07:48,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 16:07:48,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:07:48,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:07:48,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:07:48,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:07:48,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:07:48,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-21 16:07:48,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-21 16:07:48,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-21 16:07:48,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:07:48,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-11-21 16:07:48,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-21 16:07:48,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-21 16:07:48,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-21 16:07:48,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-21 16:07:48,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-21 16:07:48,560 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 16:07:48,661 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,SelfDestructingSolverStorable80,SelfDestructingSolverStorable81,SelfDestructingSolverStorable79 [2024-11-21 16:07:48,661 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 16:07:48,661 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:07:48,661 INFO L139 ounterexampleChecker]: Examining path program with hash -504768386, occurence #6 [2024-11-21 16:07:48,661 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:07:48,661 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-11-21 16:07:48,661 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:07:48,661 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-21 16:07:48,662 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:07:48,662 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2024-11-21 16:07:48,662 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:07:48,662 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 44 [2024-11-21 16:07:48,662 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:07:48,662 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-11-21 16:07:48,662 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:07:48,662 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2024-11-21 16:07:48,662 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:07:48,662 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 100 [2024-11-21 16:07:48,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:07:48,717 INFO L85 PathProgramCache]: Analyzing trace with hash -1358995965, now seen corresponding path program 1 times [2024-11-21 16:07:48,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:07:48,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318100916] [2024-11-21 16:07:48,718 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:07:48,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:07:48,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:07:49,038 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 36 proven. 25 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2024-11-21 16:07:49,038 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:07:49,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318100916] [2024-11-21 16:07:49,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318100916] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:07:49,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [600084191] [2024-11-21 16:07:49,039 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:07:49,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:07:49,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:07:49,081 INFO L256 TraceCheckSpWp]: Trace formula consists of 727 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-21 16:07:49,082 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:07:49,253 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 39 proven. 22 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2024-11-21 16:07:49,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [600084191] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:07:49,254 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:07:49,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2024-11-21 16:07:49,254 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:07:49,254 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 142 is hopeless, skipping. [2024-11-21 16:07:49,254 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 237 [2024-11-21 16:07:49,254 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:07:49,254 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 238 [2024-11-21 16:07:49,254 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:07:49,254 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 16:07:49,255 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:07:49,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:07:49,255 INFO L85 PathProgramCache]: Analyzing trace with hash 1029478471, now seen corresponding path program 12 times [2024-11-21 16:07:49,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:07:49,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393092769] [2024-11-21 16:07:49,255 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:07:49,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:07:49,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:07:50,024 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 344 proven. 33 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked. [2024-11-21 16:07:50,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:07:50,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393092769] [2024-11-21 16:07:50,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393092769] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:07:50,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1493722927] [2024-11-21 16:07:50,025 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-21 16:07:50,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:07:50,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:07:50,030 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 16:07:50,031 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 16:07:50,811 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2024-11-21 16:07:50,811 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 16:07:50,818 INFO L256 TraceCheckSpWp]: Trace formula consists of 704 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-21 16:07:50,820 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:07:51,092 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 135 proven. 8 refuted. 0 times theorem prover too weak. 613 trivial. 0 not checked. [2024-11-21 16:07:51,092 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:07:51,398 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 135 proven. 8 refuted. 0 times theorem prover too weak. 613 trivial. 0 not checked. [2024-11-21 16:07:51,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1493722927] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:07:51,398 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:07:51,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 8, 11] total 29 [2024-11-21 16:07:51,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014413733] [2024-11-21 16:07:51,399 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:07:51,399 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-11-21 16:07:51,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:07:51,399 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-11-21 16:07:51,400 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=755, Unknown=0, NotChecked=0, Total=870 [2024-11-21 16:07:51,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:07:51,400 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:07:51,400 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 7.133333333333334) internal successors, (214), 29 states have internal predecessors, (214), 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 16:07:51,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:07:51,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:07:51,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:07:51,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:07:51,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-21 16:07:51,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:07:51,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 16:07:51,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:07:51,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:07:51,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:07:51,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:07:51,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:07:51,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-21 16:07:51,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-11-21 16:07:51,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-11-21 16:07:51,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:07:51,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-11-21 16:07:51,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-21 16:07:51,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-21 16:07:51,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-11-21 16:07:51,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-11-21 16:07:51,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-11-21 16:07:51,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:07:52,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:07:52,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:07:52,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:07:52,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:07:52,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-21 16:07:52,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:07:52,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 16:07:52,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:07:52,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:07:52,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:07:52,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:07:52,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:07:52,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-21 16:07:52,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-21 16:07:52,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-21 16:07:52,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:07:52,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-11-21 16:07:52,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-21 16:07:52,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-21 16:07:52,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-21 16:07:52,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-21 16:07:52,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-21 16:07:52,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:07:52,393 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 16:07:52,577 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82,SelfDestructingSolverStorable83,SelfDestructingSolverStorable84,21 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:07:52,578 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 16:07:52,578 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:07:52,578 INFO L139 ounterexampleChecker]: Examining path program with hash -504768386, occurence #7 [2024-11-21 16:07:52,578 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:07:52,578 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-11-21 16:07:52,578 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:07:52,578 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-21 16:07:52,578 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:07:52,578 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2024-11-21 16:07:52,578 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:07:52,578 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2024-11-21 16:07:52,578 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:07:52,578 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 49 [2024-11-21 16:07:52,578 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:07:52,578 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-11-21 16:07:52,578 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:07:52,578 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 101 [2024-11-21 16:07:52,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:07:52,657 INFO L85 PathProgramCache]: Analyzing trace with hash -337977714, now seen corresponding path program 1 times [2024-11-21 16:07:52,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:07:52,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607748679] [2024-11-21 16:07:52,657 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:07:52,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:07:52,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:07:53,093 INFO L134 CoverageAnalysis]: Checked inductivity of 393 backedges. 39 proven. 24 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2024-11-21 16:07:53,093 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:07:53,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607748679] [2024-11-21 16:07:53,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607748679] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:07:53,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [523151408] [2024-11-21 16:07:53,093 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:07:53,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:07:53,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:07:53,135 INFO L256 TraceCheckSpWp]: Trace formula consists of 736 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-21 16:07:53,137 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:07:53,340 INFO L134 CoverageAnalysis]: Checked inductivity of 393 backedges. 39 proven. 24 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2024-11-21 16:07:53,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [523151408] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:07:53,341 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:07:53,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 10] total 23 [2024-11-21 16:07:53,341 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:07:53,341 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 143 is hopeless, skipping. [2024-11-21 16:07:53,341 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 238 [2024-11-21 16:07:53,341 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:07:53,341 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 239 [2024-11-21 16:07:53,341 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:07:53,341 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 16:07:53,341 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:07:53,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:07:53,342 INFO L85 PathProgramCache]: Analyzing trace with hash -1060758321, now seen corresponding path program 13 times [2024-11-21 16:07:53,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:07:53,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820183055] [2024-11-21 16:07:53,342 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:07:53,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:07:53,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:07:55,030 INFO L134 CoverageAnalysis]: Checked inductivity of 758 backedges. 305 proven. 123 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2024-11-21 16:07:55,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:07:55,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820183055] [2024-11-21 16:07:55,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820183055] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:07:55,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [138186550] [2024-11-21 16:07:55,030 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-21 16:07:55,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:07:55,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:07:55,032 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 16:07:55,033 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 16:07:55,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:07:55,430 INFO L256 TraceCheckSpWp]: Trace formula consists of 1320 conjuncts, 60 conjuncts are in the unsatisfiable core [2024-11-21 16:07:55,433 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:07:57,096 INFO L134 CoverageAnalysis]: Checked inductivity of 758 backedges. 327 proven. 101 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2024-11-21 16:07:57,097 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:07:59,401 INFO L134 CoverageAnalysis]: Checked inductivity of 758 backedges. 90 proven. 338 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2024-11-21 16:07:59,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [138186550] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:07:59,402 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:07:59,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 37, 37] total 98 [2024-11-21 16:07:59,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327938999] [2024-11-21 16:07:59,402 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:07:59,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 99 states [2024-11-21 16:07:59,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:07:59,404 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 99 interpolants. [2024-11-21 16:07:59,405 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2447, Invalid=7255, Unknown=0, NotChecked=0, Total=9702 [2024-11-21 16:07:59,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:07:59,405 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:07:59,406 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 99 states, 99 states have (on average 5.737373737373737) internal successors, (568), 98 states have internal predecessors, (568), 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 16:07:59,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:07:59,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:07:59,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:07:59,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:07:59,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-21 16:07:59,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:07:59,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 16:07:59,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:07:59,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:07:59,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:07:59,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:07:59,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:07:59,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-21 16:07:59,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-11-21 16:07:59,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-11-21 16:07:59,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:07:59,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-11-21 16:07:59,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-21 16:07:59,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-21 16:07:59,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-11-21 16:07:59,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-11-21 16:07:59,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-11-21 16:07:59,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:07:59,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:08:05,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:08:05,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:08:05,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:08:05,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:08:05,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-21 16:08:05,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:08:05,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 16:08:05,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:08:05,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:08:05,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:08:05,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:08:05,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:08:05,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-21 16:08:05,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-21 16:08:05,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-21 16:08:05,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:08:05,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-11-21 16:08:05,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-21 16:08:05,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-21 16:08:05,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-21 16:08:05,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-21 16:08:05,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-21 16:08:05,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:08:05,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2024-11-21 16:08:05,977 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 16:08:06,164 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,SelfDestructingSolverStorable85,SelfDestructingSolverStorable86,SelfDestructingSolverStorable87 [2024-11-21 16:08:06,164 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 16:08:06,165 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:08:06,165 INFO L139 ounterexampleChecker]: Examining path program with hash -323038392, occurence #1 [2024-11-21 16:08:06,165 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 16:08:06,165 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:08:06,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:08:06,165 INFO L85 PathProgramCache]: Analyzing trace with hash -774878617, now seen corresponding path program 14 times [2024-11-21 16:08:06,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:08:06,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753431862] [2024-11-21 16:08:06,165 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:08:06,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:08:06,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:08:07,224 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 25 proven. 125 refuted. 0 times theorem prover too weak. 632 trivial. 0 not checked. [2024-11-21 16:08:07,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:08:07,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753431862] [2024-11-21 16:08:07,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753431862] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:08:07,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1230214003] [2024-11-21 16:08:07,225 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 16:08:07,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:08:07,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:08:07,227 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 16:08:07,228 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 16:08:07,655 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-21 16:08:07,655 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 16:08:07,661 INFO L256 TraceCheckSpWp]: Trace formula consists of 1385 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-21 16:08:07,663 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:08:07,892 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 20 proven. 90 refuted. 0 times theorem prover too weak. 672 trivial. 0 not checked. [2024-11-21 16:08:07,892 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:08:08,642 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 7 proven. 419 refuted. 0 times theorem prover too weak. 356 trivial. 0 not checked. [2024-11-21 16:08:08,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1230214003] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:08:08,643 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:08:08,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 26] total 33 [2024-11-21 16:08:08,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21375669] [2024-11-21 16:08:08,643 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:08:08,644 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-21 16:08:08,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:08:08,644 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-21 16:08:08,645 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=468, Invalid=654, Unknown=0, NotChecked=0, Total=1122 [2024-11-21 16:08:08,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:08:08,645 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:08:08,645 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 8.941176470588236) internal successors, (304), 33 states have internal predecessors, (304), 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 16:08:08,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:08:08,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:08:08,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:08:08,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:08:08,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-21 16:08:08,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:08:08,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 16:08:08,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:08:08,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:08:08,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:08:08,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:08:08,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:08:08,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-21 16:08:08,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-11-21 16:08:08,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-11-21 16:08:08,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:08:08,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-11-21 16:08:08,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-21 16:08:08,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-21 16:08:08,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-11-21 16:08:08,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-11-21 16:08:08,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-11-21 16:08:08,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:08:08,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2024-11-21 16:08:08,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:08:09,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:08:09,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:08:09,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:08:09,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:08:09,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-21 16:08:09,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:08:09,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 16:08:09,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:08:09,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:08:09,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:08:09,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:08:09,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:08:09,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-21 16:08:09,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-21 16:08:09,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-21 16:08:09,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:08:09,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-11-21 16:08:09,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-21 16:08:09,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-21 16:08:09,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-21 16:08:09,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-21 16:08:09,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-21 16:08:09,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:08:09,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2024-11-21 16:08:09,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:08:09,431 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-11-21 16:08:09,615 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,SelfDestructingSolverStorable88 [2024-11-21 16:08:09,615 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 16:08:09,615 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:08:09,616 INFO L139 ounterexampleChecker]: Examining path program with hash -323038392, occurence #2 [2024-11-21 16:08:09,616 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:08:09,616 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-11-21 16:08:09,616 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:08:09,616 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-21 16:08:09,616 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:08:09,616 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2024-11-21 16:08:09,616 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:08:09,616 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 49 [2024-11-21 16:08:09,616 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:08:09,616 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-11-21 16:08:09,616 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:08:09,616 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-11-21 16:08:09,616 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:08:09,616 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 105 [2024-11-21 16:08:09,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:08:09,667 INFO L85 PathProgramCache]: Analyzing trace with hash 869155155, now seen corresponding path program 1 times [2024-11-21 16:08:09,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:08:09,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057718215] [2024-11-21 16:08:09,667 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:08:09,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:08:11,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 16:08:11,111 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-21 16:08:11,112 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-21 16:08:11,112 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 147 is hopeless, skipping. [2024-11-21 16:08:11,112 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 210 is hopeless, skipping. [2024-11-21 16:08:11,112 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 296 [2024-11-21 16:08:11,112 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:08:11,112 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 297 [2024-11-21 16:08:11,112 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:08:11,112 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 16:08:11,112 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:08:11,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:08:11,113 INFO L85 PathProgramCache]: Analyzing trace with hash 193540319, now seen corresponding path program 15 times [2024-11-21 16:08:11,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:08:11,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505205436] [2024-11-21 16:08:11,113 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:08:11,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:08:11,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:08:13,305 INFO L134 CoverageAnalysis]: Checked inductivity of 1029 backedges. 312 proven. 466 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2024-11-21 16:08:13,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:08:13,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505205436] [2024-11-21 16:08:13,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505205436] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:08:13,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1932243368] [2024-11-21 16:08:13,305 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-21 16:08:13,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:08:13,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:08:13,308 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 16:08:13,309 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 16:08:38,868 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2024-11-21 16:08:38,868 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 16:08:38,899 INFO L256 TraceCheckSpWp]: Trace formula consists of 1447 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-21 16:08:38,902 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:08:40,053 INFO L134 CoverageAnalysis]: Checked inductivity of 1029 backedges. 616 proven. 120 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2024-11-21 16:08:40,054 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:08:41,234 INFO L134 CoverageAnalysis]: Checked inductivity of 1029 backedges. 301 proven. 435 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2024-11-21 16:08:41,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1932243368] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:08:41,234 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:08:41,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 35, 35] total 99 [2024-11-21 16:08:41,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110748725] [2024-11-21 16:08:41,234 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:08:41,235 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 99 states [2024-11-21 16:08:41,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:08:41,236 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 99 interpolants. [2024-11-21 16:08:41,237 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1880, Invalid=7822, Unknown=0, NotChecked=0, Total=9702 [2024-11-21 16:08:41,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:08:41,237 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:08:41,237 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 99 states, 99 states have (on average 6.090909090909091) internal successors, (603), 99 states have internal predecessors, (603), 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 16:08:41,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:08:41,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:08:41,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:08:41,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:08:41,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-21 16:08:41,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:08:41,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 16:08:41,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:08:41,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:08:41,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:08:41,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:08:41,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:08:41,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-21 16:08:41,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-11-21 16:08:41,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-11-21 16:08:41,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:08:41,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-11-21 16:08:41,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-21 16:08:41,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-21 16:08:41,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-11-21 16:08:41,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-11-21 16:08:41,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-11-21 16:08:41,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:08:41,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2024-11-21 16:08:41,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:08:41,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:08:41,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:08:41,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:08:41,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:08:41,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:08:41,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-21 16:08:41,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:08:41,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 16:08:41,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:08:41,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:08:41,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:08:41,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:08:41,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:08:41,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-21 16:08:41,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-21 16:08:41,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-21 16:08:41,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:08:41,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-11-21 16:08:41,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-21 16:08:41,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-21 16:08:41,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-21 16:08:41,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-21 16:08:41,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-21 16:08:41,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:08:41,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2024-11-21 16:08:41,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:08:41,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-21 16:08:41,908 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 16:08:42,071 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90,24 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable89 [2024-11-21 16:08:42,071 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-21 16:08:42,072 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:08:42,072 INFO L139 ounterexampleChecker]: Examining path program with hash -323038392, occurence #3 [2024-11-21 16:08:42,072 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:08:42,072 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-11-21 16:08:42,072 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:08:42,072 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2024-11-21 16:08:42,072 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:08:42,072 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 47 [2024-11-21 16:08:42,072 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:08:42,072 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2024-11-21 16:08:42,072 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:08:42,072 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-11-21 16:08:42,072 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:08:42,072 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2024-11-21 16:08:42,072 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:08:42,072 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 107 [2024-11-21 16:08:42,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:08:42,122 INFO L85 PathProgramCache]: Analyzing trace with hash 1674264310, now seen corresponding path program 1 times [2024-11-21 16:08:42,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:08:42,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985100364] [2024-11-21 16:08:42,122 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:08:42,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:08:42,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 16:08:42,254 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-21 16:08:42,254 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-21 16:08:42,254 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 149 is hopeless, skipping. [2024-11-21 16:08:42,254 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 212 is hopeless, skipping. [2024-11-21 16:08:42,255 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 298 [2024-11-21 16:08:42,255 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:08:42,255 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 299 [2024-11-21 16:08:42,255 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:08:42,255 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 16:08:42,255 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:08:42,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:08:42,255 INFO L85 PathProgramCache]: Analyzing trace with hash 1216538431, now seen corresponding path program 16 times [2024-11-21 16:08:42,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:08:42,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185279450] [2024-11-21 16:08:42,256 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:08:42,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:08:42,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:08:43,774 INFO L134 CoverageAnalysis]: Checked inductivity of 1062 backedges. 42 proven. 405 refuted. 0 times theorem prover too weak. 615 trivial. 0 not checked. [2024-11-21 16:08:43,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:08:43,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185279450] [2024-11-21 16:08:43,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185279450] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:08:43,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1758742553] [2024-11-21 16:08:43,775 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-21 16:08:43,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:08:43,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:08:43,777 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 16:08:43,778 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-21 16:08:44,249 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-21 16:08:44,250 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 16:08:44,256 INFO L256 TraceCheckSpWp]: Trace formula consists of 1599 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-21 16:08:44,259 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:08:44,456 INFO L134 CoverageAnalysis]: Checked inductivity of 1062 backedges. 38 proven. 375 refuted. 0 times theorem prover too weak. 649 trivial. 0 not checked. [2024-11-21 16:08:44,456 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:08:45,307 INFO L134 CoverageAnalysis]: Checked inductivity of 1062 backedges. 16 proven. 658 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2024-11-21 16:08:45,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1758742553] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:08:45,308 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:08:45,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 34] total 42 [2024-11-21 16:08:45,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393551903] [2024-11-21 16:08:45,308 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:08:45,308 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-11-21 16:08:45,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:08:45,309 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-11-21 16:08:45,309 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=760, Invalid=1046, Unknown=0, NotChecked=0, Total=1806 [2024-11-21 16:08:45,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:08:45,309 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:08:45,310 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 8.44186046511628) internal successors, (363), 42 states have internal predecessors, (363), 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 16:08:45,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:08:45,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:08:45,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:08:45,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:08:45,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-21 16:08:45,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:08:45,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 16:08:45,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:08:45,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:08:45,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:08:45,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:08:45,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:08:45,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-21 16:08:45,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-11-21 16:08:45,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-11-21 16:08:45,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:08:45,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-11-21 16:08:45,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-21 16:08:45,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-21 16:08:45,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-11-21 16:08:45,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-11-21 16:08:45,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-11-21 16:08:45,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:08:45,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2024-11-21 16:08:45,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:08:45,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-11-21 16:08:45,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:08:46,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:08:46,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:08:46,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:08:46,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:08:46,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-21 16:08:46,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:08:46,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 16:08:46,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:08:46,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:08:46,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:08:46,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:08:46,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:08:46,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-21 16:08:46,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-21 16:08:46,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-21 16:08:46,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:08:46,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-11-21 16:08:46,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-21 16:08:46,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-21 16:08:46,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-21 16:08:46,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-21 16:08:46,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-21 16:08:46,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:08:46,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2024-11-21 16:08:46,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:08:46,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-21 16:08:46,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:08:46,260 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-11-21 16:08:46,445 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91,25 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable92 [2024-11-21 16:08:46,445 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-21 16:08:46,446 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:08:46,446 INFO L139 ounterexampleChecker]: Examining path program with hash 1470962525, occurence #1 [2024-11-21 16:08:46,446 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 16:08:46,446 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:08:46,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:08:46,446 INFO L85 PathProgramCache]: Analyzing trace with hash -761343357, now seen corresponding path program 17 times [2024-11-21 16:08:46,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:08:46,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780505493] [2024-11-21 16:08:46,446 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:08:46,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:08:46,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:08:48,702 INFO L134 CoverageAnalysis]: Checked inductivity of 1368 backedges. 509 proven. 605 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-11-21 16:08:48,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:08:48,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780505493] [2024-11-21 16:08:48,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780505493] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:08:48,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [585811737] [2024-11-21 16:08:48,703 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-21 16:08:48,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:08:48,703 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:08:48,705 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 16:08:48,706 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process Killed by 15