./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/weaver/popl20-more-array-sum-alt2.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-array-sum-alt2.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 1d936eafcc314e66bb4cd572754c58bf1f2fc59d35c83764f43dae769bce220a --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT --- Real Ultimate output --- This is Ultimate 0.3.0-dev-1f73d82-m [2024-11-21 15:57:29,854 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-21 15:57:29,990 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-11-21 15:57:29,998 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-21 15:57:29,998 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-21 15:57:30,027 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-21 15:57:30,028 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-21 15:57:30,028 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-21 15:57:30,028 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-21 15:57:30,028 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-21 15:57:30,030 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-21 15:57:30,030 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-21 15:57:30,030 INFO L153 SettingsManager]: * Use SBE=true [2024-11-21 15:57:30,031 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-21 15:57:30,031 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-21 15:57:30,031 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-21 15:57:30,032 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-21 15:57:30,032 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-21 15:57:30,032 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-21 15:57:30,032 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-21 15:57:30,032 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-21 15:57:30,032 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-21 15:57:30,032 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-21 15:57:30,032 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-21 15:57:30,033 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-21 15:57:30,033 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-21 15:57:30,033 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-21 15:57:30,033 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-21 15:57:30,033 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-21 15:57:30,033 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-21 15:57:30,033 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-21 15:57:30,034 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-21 15:57:30,034 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-21 15:57:30,034 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-21 15:57:30,034 INFO L153 SettingsManager]: * Commutativity condition synthesis=SUFFICIENT [2024-11-21 15:57:30,034 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-21 15:57:30,034 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-21 15:57:30,035 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-11-21 15:57:30,035 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-21 15:57:30,035 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-21 15:57:30,035 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-21 15:57:30,035 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-21 15:57:30,035 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-21 15:57:30,035 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 -> 1d936eafcc314e66bb4cd572754c58bf1f2fc59d35c83764f43dae769bce220a Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NECESSARY_AND_SUFFICIENT [2024-11-21 15:57:30,384 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-21 15:57:30,392 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-21 15:57:30,396 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-21 15:57:30,397 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-21 15:57:30,397 INFO L274 PluginConnector]: CDTParser initialized [2024-11-21 15:57:30,398 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/weaver/popl20-more-array-sum-alt2.wvr.c [2024-11-21 15:57:31,752 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/3e6c72953/06ed4bc3a3af43c3a5f816494e056d2d/FLAG8f4f92ceb [2024-11-21 15:57:31,992 INFO L384 CDTParser]: Found 1 translation units. [2024-11-21 15:57:31,995 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more-array-sum-alt2.wvr.c [2024-11-21 15:57:32,003 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/3e6c72953/06ed4bc3a3af43c3a5f816494e056d2d/FLAG8f4f92ceb [2024-11-21 15:57:32,022 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/3e6c72953/06ed4bc3a3af43c3a5f816494e056d2d [2024-11-21 15:57:32,024 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-21 15:57:32,026 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-21 15:57:32,027 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-21 15:57:32,027 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-21 15:57:32,031 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-21 15:57:32,032 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 03:57:32" (1/1) ... [2024-11-21 15:57:32,032 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@770c2482 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:57:32, skipping insertion in model container [2024-11-21 15:57:32,033 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 03:57:32" (1/1) ... [2024-11-21 15:57:32,050 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-21 15:57:32,208 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-array-sum-alt2.wvr.c[2564,2577] [2024-11-21 15:57:32,220 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 15:57:32,229 INFO L200 MainTranslator]: Completed pre-run [2024-11-21 15:57:32,253 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-array-sum-alt2.wvr.c[2564,2577] [2024-11-21 15:57:32,256 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 15:57:32,268 INFO L204 MainTranslator]: Completed translation [2024-11-21 15:57:32,268 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:57:32 WrapperNode [2024-11-21 15:57:32,269 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-21 15:57:32,270 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-21 15:57:32,270 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-21 15:57:32,270 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-21 15:57:32,277 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:57:32" (1/1) ... [2024-11-21 15:57:32,290 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:57:32" (1/1) ... [2024-11-21 15:57:32,317 INFO L138 Inliner]: procedures = 24, calls = 30, calls flagged for inlining = 12, calls inlined = 16, statements flattened = 178 [2024-11-21 15:57:32,320 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-21 15:57:32,321 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-21 15:57:32,321 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-21 15:57:32,321 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-21 15:57:32,330 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:57:32" (1/1) ... [2024-11-21 15:57:32,331 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:57:32" (1/1) ... [2024-11-21 15:57:32,333 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:57:32" (1/1) ... [2024-11-21 15:57:32,335 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:57:32" (1/1) ... [2024-11-21 15:57:32,345 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:57:32" (1/1) ... [2024-11-21 15:57:32,350 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:57:32" (1/1) ... [2024-11-21 15:57:32,353 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:57:32" (1/1) ... [2024-11-21 15:57:32,358 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:57:32" (1/1) ... [2024-11-21 15:57:32,360 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:57:32" (1/1) ... [2024-11-21 15:57:32,365 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-21 15:57:32,369 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-21 15:57:32,369 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-21 15:57:32,369 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-21 15:57:32,370 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:57:32" (1/1) ... [2024-11-21 15:57:32,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-21 15:57:32,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:57:32,405 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-21 15:57:32,411 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-21 15:57:32,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-21 15:57:32,431 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-21 15:57:32,431 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-21 15:57:32,431 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-21 15:57:32,431 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-21 15:57:32,431 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-21 15:57:32,431 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-21 15:57:32,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-21 15:57:32,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-21 15:57:32,432 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-21 15:57:32,432 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-21 15:57:32,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-21 15:57:32,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-21 15:57:32,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-21 15:57:32,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-21 15:57:32,434 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-21 15:57:32,540 INFO L234 CfgBuilder]: Building ICFG [2024-11-21 15:57:32,541 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-21 15:57:32,835 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-21 15:57:32,835 INFO L283 CfgBuilder]: Performing block encoding [2024-11-21 15:57:33,084 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-21 15:57:33,085 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-21 15:57:33,085 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 03:57:33 BoogieIcfgContainer [2024-11-21 15:57:33,085 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-21 15:57:33,087 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-21 15:57:33,087 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-21 15:57:33,092 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-21 15:57:33,092 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 03:57:32" (1/3) ... [2024-11-21 15:57:33,092 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@162bfceb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 03:57:33, skipping insertion in model container [2024-11-21 15:57:33,093 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:57:32" (2/3) ... [2024-11-21 15:57:33,093 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@162bfceb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 03:57:33, skipping insertion in model container [2024-11-21 15:57:33,093 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 03:57:33" (3/3) ... [2024-11-21 15:57:33,095 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-more-array-sum-alt2.wvr.c [2024-11-21 15:57:33,108 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-21 15:57:33,110 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-more-array-sum-alt2.wvr.c that has 4 procedures, 30 locations, 1 initial locations, 4 loop locations, and 1 error locations. [2024-11-21 15:57:33,110 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-21 15:57:33,165 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-21 15:57:33,213 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 15:57:33,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-21 15:57:33,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:57:33,216 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-21 15:57:33,218 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-21 15:57:33,314 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-21 15:57:33,330 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-21 15:57:33,338 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;@2c486470, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 15:57:33,339 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-21 15:57:33,822 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-21 15:57:33,822 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:57:33,822 INFO L139 ounterexampleChecker]: Examining path program with hash -1253662280, occurence #1 [2024-11-21 15:57:33,822 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 15:57:33,822 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:57:33,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:57:33,829 INFO L85 PathProgramCache]: Analyzing trace with hash -859352189, now seen corresponding path program 1 times [2024-11-21 15:57:33,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:57:33,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292225825] [2024-11-21 15:57:33,838 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:57:33,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:57:33,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:57:34,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:57:34,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:57:34,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292225825] [2024-11-21 15:57:34,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292225825] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 15:57:34,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 15:57:34,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-21 15:57:34,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732643257] [2024-11-21 15:57:34,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 15:57:34,390 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-21 15:57:34,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:57:34,408 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-21 15:57:34,409 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-21 15:57:34,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:57:34,412 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:57:34,413 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:57:34,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:57:34,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:57:34,549 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-21 15:57:34,549 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-21 15:57:34,549 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:57:34,549 INFO L139 ounterexampleChecker]: Examining path program with hash -1253662280, occurence #2 [2024-11-21 15:57:34,549 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:57:34,549 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:57:34,550 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:57:34,550 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2024-11-21 15:57:34,565 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:57:34,565 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-11-21 15:57:34,565 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:57:34,566 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-11-21 15:57:34,566 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:57:34,567 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2024-11-21 15:57:34,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:57:34,650 INFO L85 PathProgramCache]: Analyzing trace with hash 91986447, now seen corresponding path program 1 times [2024-11-21 15:57:34,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:57:34,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468789472] [2024-11-21 15:57:34,653 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:57:34,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:57:34,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:57:34,873 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:57:34,874 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:57:34,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468789472] [2024-11-21 15:57:34,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468789472] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:57:34,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1573430464] [2024-11-21 15:57:34,875 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:57:34,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:57:34,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:57:34,921 INFO L256 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-21 15:57:34,928 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:57:35,089 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:57:35,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1573430464] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:57:35,090 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:57:35,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 13 [2024-11-21 15:57:35,090 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:57:35,091 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2024-11-21 15:57:35,091 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:57:35,091 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:57:35,091 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:57:35,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:57:35,092 INFO L85 PathProgramCache]: Analyzing trace with hash 108201907, now seen corresponding path program 1 times [2024-11-21 15:57:35,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:57:35,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532974846] [2024-11-21 15:57:35,092 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:57:35,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:57:35,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:57:35,390 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:57:35,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:57:35,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532974846] [2024-11-21 15:57:35,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [532974846] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:57:35,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1349871987] [2024-11-21 15:57:35,391 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:57:35,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:57:35,392 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:57:35,395 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:57:35,396 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-21 15:57:35,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:57:35,505 INFO L256 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-21 15:57:35,507 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:57:35,678 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:57:35,678 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:57:35,797 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:57:35,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1349871987] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:57:35,798 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:57:35,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 17 [2024-11-21 15:57:35,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055895850] [2024-11-21 15:57:35,798 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:57:35,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-21 15:57:35,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:57:35,801 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-21 15:57:35,801 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=234, Unknown=0, NotChecked=0, Total=306 [2024-11-21 15:57:35,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:57:35,802 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:57:35,803 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.4444444444444446) internal successors, (62), 17 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 15:57:35,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:57:35,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:57:35,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:57:35,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:57:36,010 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-21 15:57:36,197 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,SelfDestructingSolverStorable2,SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:57:36,198 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-21 15:57:36,198 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:57:36,199 INFO L139 ounterexampleChecker]: Examining path program with hash -1253662280, occurence #3 [2024-11-21 15:57:36,199 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:57:36,199 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:57:36,199 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:57:36,199 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-11-21 15:57:36,199 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:57:36,199 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-11-21 15:57:36,199 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:57:36,199 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2024-11-21 15:57:36,199 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:57:36,199 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2024-11-21 15:57:36,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:57:36,263 INFO L85 PathProgramCache]: Analyzing trace with hash -1407802398, now seen corresponding path program 1 times [2024-11-21 15:57:36,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:57:36,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640729504] [2024-11-21 15:57:36,263 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:57:36,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:57:36,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:57:36,433 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:57:36,433 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:57:36,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640729504] [2024-11-21 15:57:36,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640729504] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:57:36,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1663983668] [2024-11-21 15:57:36,434 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:57:36,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:57:36,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:57:36,466 INFO L256 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-21 15:57:36,469 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:57:36,584 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:57:36,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1663983668] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:57:36,585 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:57:36,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-21 15:57:36,585 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:57:36,586 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-21 15:57:36,586 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:57:36,586 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:57:36,586 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:57:36,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:57:36,587 INFO L85 PathProgramCache]: Analyzing trace with hash 37607811, now seen corresponding path program 2 times [2024-11-21 15:57:36,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:57:36,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573278980] [2024-11-21 15:57:36,587 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:57:36,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:57:36,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:57:36,750 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:57:36,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:57:36,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573278980] [2024-11-21 15:57:36,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573278980] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:57:36,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1587707911] [2024-11-21 15:57:36,751 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 15:57:36,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:57:36,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:57:36,753 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:57:36,755 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-21 15:57:36,844 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-21 15:57:36,844 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:57:36,846 INFO L256 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-21 15:57:36,847 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:57:36,976 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-21 15:57:36,976 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-21 15:57:36,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1587707911] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 15:57:36,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-21 15:57:36,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [6] total 13 [2024-11-21 15:57:36,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013709536] [2024-11-21 15:57:36,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 15:57:36,977 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-21 15:57:36,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:57:36,978 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-21 15:57:36,978 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-11-21 15:57:36,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:57:36,978 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:57:36,979 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.125) internal successors, (33), 8 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:57:36,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:57:36,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:57:36,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:57:37,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:57:37,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:57:37,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:57:37,238 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-21 15:57:37,423 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:57:37,423 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-21 15:57:37,424 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:57:37,424 INFO L139 ounterexampleChecker]: Examining path program with hash 197566399, occurence #1 [2024-11-21 15:57:37,424 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 15:57:37,424 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:57:37,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:57:37,424 INFO L85 PathProgramCache]: Analyzing trace with hash 1517387706, now seen corresponding path program 3 times [2024-11-21 15:57:37,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:57:37,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546933351] [2024-11-21 15:57:37,425 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:57:37,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:57:37,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:57:37,669 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:57:37,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:57:37,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546933351] [2024-11-21 15:57:37,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546933351] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:57:37,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1585052282] [2024-11-21 15:57:37,670 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-21 15:57:37,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:57:37,671 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:57:37,673 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:57:37,674 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-21 15:57:37,767 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-21 15:57:37,767 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:57:37,769 INFO L256 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-21 15:57:37,770 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:57:37,993 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:57:37,993 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:57:38,149 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:57:38,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1585052282] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:57:38,149 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:57:38,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8, 8] total 24 [2024-11-21 15:57:38,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481909021] [2024-11-21 15:57:38,150 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:57:38,150 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-21 15:57:38,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:57:38,151 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-21 15:57:38,151 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=496, Unknown=0, NotChecked=0, Total=600 [2024-11-21 15:57:38,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:57:38,152 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:57:38,152 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 4.4) internal successors, (110), 24 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:57:38,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:57:38,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:57:38,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:57:38,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:57:38,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:57:38,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:57:38,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:57:38,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:57:38,356 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 15:57:38,544 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:57:38,544 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-21 15:57:38,544 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:57:38,544 INFO L139 ounterexampleChecker]: Examining path program with hash 197566399, occurence #2 [2024-11-21 15:57:38,545 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:57:38,545 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:57:38,545 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:57:38,545 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2024-11-21 15:57:38,545 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:57:38,545 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-11-21 15:57:38,545 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:57:38,545 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-21 15:57:38,545 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:57:38,545 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2024-11-21 15:57:38,545 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:57:38,545 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:57:38,545 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:57:38,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:57:38,546 INFO L85 PathProgramCache]: Analyzing trace with hash -1543633942, now seen corresponding path program 4 times [2024-11-21 15:57:38,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:57:38,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075381004] [2024-11-21 15:57:38,546 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:57:38,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:57:38,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:57:38,750 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:57:38,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:57:38,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075381004] [2024-11-21 15:57:38,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075381004] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:57:38,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2144437998] [2024-11-21 15:57:38,750 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-21 15:57:38,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:57:38,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:57:38,753 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:57:38,755 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-21 15:57:38,835 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-21 15:57:38,836 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:57:38,837 INFO L256 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-21 15:57:38,838 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:57:39,078 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-21 15:57:39,079 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:57:39,284 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-21 15:57:39,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2144437998] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:57:39,284 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:57:39,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11, 10] total 25 [2024-11-21 15:57:39,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006232012] [2024-11-21 15:57:39,284 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:57:39,285 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-21 15:57:39,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:57:39,285 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-21 15:57:39,286 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=492, Unknown=0, NotChecked=0, Total=600 [2024-11-21 15:57:39,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:57:39,286 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:57:39,286 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 3.92) internal successors, (98), 25 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:57:39,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:57:39,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:57:39,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:57:39,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:57:39,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:57:40,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:57:40,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:57:40,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:57:40,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:57:40,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-21 15:57:40,153 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-21 15:57:40,338 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:57:40,338 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-21 15:57:40,338 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:57:40,339 INFO L139 ounterexampleChecker]: Examining path program with hash -2094434157, occurence #1 [2024-11-21 15:57:40,339 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 15:57:40,339 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:57:40,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:57:40,339 INFO L85 PathProgramCache]: Analyzing trace with hash 1409441269, now seen corresponding path program 5 times [2024-11-21 15:57:40,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:57:40,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729237373] [2024-11-21 15:57:40,339 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:57:40,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:57:40,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:57:41,138 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 31 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:57:41,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:57:41,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729237373] [2024-11-21 15:57:41,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729237373] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:57:41,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [389904613] [2024-11-21 15:57:41,139 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-21 15:57:41,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:57:41,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:57:41,141 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:57:41,142 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-21 15:57:41,264 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2024-11-21 15:57:41,264 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:57:41,266 INFO L256 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-21 15:57:41,268 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:57:41,564 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 79 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-21 15:57:41,564 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:57:41,796 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 79 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-21 15:57:41,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [389904613] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:57:41,797 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:57:41,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 10, 10] total 41 [2024-11-21 15:57:41,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581683545] [2024-11-21 15:57:41,797 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:57:41,798 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2024-11-21 15:57:41,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:57:41,799 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2024-11-21 15:57:41,800 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=248, Invalid=1474, Unknown=0, NotChecked=0, Total=1722 [2024-11-21 15:57:41,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:57:41,800 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:57:41,800 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 3.880952380952381) internal successors, (163), 41 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:57:41,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:57:41,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:57:41,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:57:41,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:57:41,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-11-21 15:57:41,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:57:42,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:57:42,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:57:42,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:57:42,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:57:42,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-21 15:57:42,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:57:42,040 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 15:57:42,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-21 15:57:42,224 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-21 15:57:42,224 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:57:42,224 INFO L139 ounterexampleChecker]: Examining path program with hash -2094434157, occurence #2 [2024-11-21 15:57:42,224 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:57:42,224 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:57:42,224 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:57:42,225 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-11-21 15:57:42,225 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:57:42,225 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-11-21 15:57:42,225 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:57:42,225 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-11-21 15:57:42,225 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:57:42,225 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 69 [2024-11-21 15:57:42,225 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:57:42,225 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:57:42,225 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:57:42,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:57:42,225 INFO L85 PathProgramCache]: Analyzing trace with hash 1123111877, now seen corresponding path program 6 times [2024-11-21 15:57:42,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:57:42,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290276995] [2024-11-21 15:57:42,226 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:57:42,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:57:42,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:57:42,601 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 67 proven. 28 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 15:57:42,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:57:42,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290276995] [2024-11-21 15:57:42,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [290276995] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:57:42,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1077090950] [2024-11-21 15:57:42,601 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-21 15:57:42,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:57:42,602 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:57:42,604 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:57:42,605 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-21 15:57:42,728 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2024-11-21 15:57:42,729 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:57:42,731 INFO L256 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-21 15:57:42,733 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:57:43,041 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 59 proven. 20 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-21 15:57:43,042 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:57:43,306 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 69 proven. 10 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-21 15:57:43,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1077090950] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:57:43,307 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:57:43,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13, 13] total 36 [2024-11-21 15:57:43,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725756370] [2024-11-21 15:57:43,307 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:57:43,308 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-11-21 15:57:43,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:57:43,309 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-11-21 15:57:43,310 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=247, Invalid=1085, Unknown=0, NotChecked=0, Total=1332 [2024-11-21 15:57:43,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:57:43,310 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:57:43,310 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 3.5675675675675675) internal successors, (132), 36 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:57:43,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:57:43,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:57:43,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:57:43,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:57:43,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-11-21 15:57:43,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:57:43,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:57:43,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:57:43,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:57:43,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:57:43,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:57:43,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-21 15:57:43,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:57:43,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:57:43,493 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-21 15:57:43,681 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:57:43,681 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-21 15:57:43,681 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:57:43,682 INFO L139 ounterexampleChecker]: Examining path program with hash -2094434157, occurence #3 [2024-11-21 15:57:43,682 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:57:43,682 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:57:43,682 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:57:43,682 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-11-21 15:57:43,682 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:57:43,682 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2024-11-21 15:57:43,682 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:57:43,682 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-21 15:57:43,682 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:57:43,682 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 70 [2024-11-21 15:57:43,682 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:57:43,682 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:57:43,682 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:57:43,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:57:43,683 INFO L85 PathProgramCache]: Analyzing trace with hash 836835317, now seen corresponding path program 7 times [2024-11-21 15:57:43,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:57:43,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737578514] [2024-11-21 15:57:43,683 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:57:43,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:57:43,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:57:44,419 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 31 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:57:44,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:57:44,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737578514] [2024-11-21 15:57:44,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737578514] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:57:44,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1922814658] [2024-11-21 15:57:44,420 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-21 15:57:44,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:57:44,420 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:57:44,422 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:57:44,425 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-21 15:57:44,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:57:44,562 INFO L256 TraceCheckSpWp]: Trace formula consists of 393 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-21 15:57:44,565 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:57:44,966 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 69 proven. 21 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-21 15:57:44,966 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:57:45,316 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 75 proven. 15 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-21 15:57:45,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1922814658] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:57:45,316 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:57:45,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 15, 15] total 53 [2024-11-21 15:57:45,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051623869] [2024-11-21 15:57:45,316 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:57:45,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2024-11-21 15:57:45,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:57:45,317 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2024-11-21 15:57:45,319 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=398, Invalid=2464, Unknown=0, NotChecked=0, Total=2862 [2024-11-21 15:57:45,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:57:45,319 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:57:45,319 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 2.962962962962963) internal successors, (160), 53 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:57:45,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:57:45,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:57:45,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:57:45,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:57:45,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-11-21 15:57:45,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:57:45,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:57:45,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:57:45,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:57:45,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:57:45,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:57:45,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:57:45,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-21 15:57:45,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:57:45,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:57:45,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:57:45,569 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-21 15:57:45,753 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:57:45,754 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-21 15:57:45,754 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:57:45,754 INFO L139 ounterexampleChecker]: Examining path program with hash -2094434157, occurence #4 [2024-11-21 15:57:45,754 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:57:45,754 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:57:45,754 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:57:45,754 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-11-21 15:57:45,754 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:57:45,754 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-21 15:57:45,754 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:57:45,754 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-11-21 15:57:45,754 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:57:45,754 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2024-11-21 15:57:45,755 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:57:45,755 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:57:45,755 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:57:45,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:57:45,755 INFO L85 PathProgramCache]: Analyzing trace with hash 552196549, now seen corresponding path program 8 times [2024-11-21 15:57:45,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:57:45,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294831495] [2024-11-21 15:57:45,755 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:57:45,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:57:45,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:57:46,130 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 74 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:57:46,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:57:46,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294831495] [2024-11-21 15:57:46,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294831495] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:57:46,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [937624018] [2024-11-21 15:57:46,131 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 15:57:46,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:57:46,131 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:57:46,133 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:57:46,134 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-21 15:57:46,263 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-21 15:57:46,264 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:57:46,266 INFO L256 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-21 15:57:46,268 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:57:46,654 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 66 proven. 37 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-21 15:57:46,654 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:57:47,052 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 82 proven. 21 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-21 15:57:47,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [937624018] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:57:47,052 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:57:47,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17, 17] total 46 [2024-11-21 15:57:47,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66239137] [2024-11-21 15:57:47,053 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:57:47,053 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2024-11-21 15:57:47,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:57:47,061 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2024-11-21 15:57:47,062 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=407, Invalid=1755, Unknown=0, NotChecked=0, Total=2162 [2024-11-21 15:57:47,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:57:47,062 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:57:47,062 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 3.723404255319149) internal successors, (175), 46 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:57:47,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:57:47,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:57:47,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:57:47,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:57:47,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-11-21 15:57:47,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:57:47,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:57:47,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:57:47,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:57:47,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:57:47,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:57:47,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:57:47,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:57:47,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-21 15:57:47,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:57:47,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:57:47,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:57:47,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 15:57:47,270 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-21 15:57:47,453 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:57:47,453 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-21 15:57:47,453 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:57:47,454 INFO L139 ounterexampleChecker]: Examining path program with hash -2094434157, occurence #5 [2024-11-21 15:57:47,454 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:57:47,454 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:57:47,454 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:57:47,454 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-11-21 15:57:47,454 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:57:47,454 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-11-21 15:57:47,454 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:57:47,454 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-11-21 15:57:47,454 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:57:47,454 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 72 [2024-11-21 15:57:47,454 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:57:47,454 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:57:47,454 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:57:47,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:57:47,455 INFO L85 PathProgramCache]: Analyzing trace with hash 318329333, now seen corresponding path program 9 times [2024-11-21 15:57:47,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:57:47,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059712295] [2024-11-21 15:57:47,455 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:57:47,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:57:47,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:57:47,937 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 43 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:57:47,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:57:47,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059712295] [2024-11-21 15:57:47,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059712295] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:57:47,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1251495128] [2024-11-21 15:57:47,938 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-21 15:57:47,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:57:47,938 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:57:47,940 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:57:47,943 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-21 15:57:48,153 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-11-21 15:57:48,153 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:57:48,156 INFO L256 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-21 15:57:48,158 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:57:48,650 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 61 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:57:48,651 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:57:49,185 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 86 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:57:49,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1251495128] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:57:49,185 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:57:49,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21, 21] total 60 [2024-11-21 15:57:49,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661347173] [2024-11-21 15:57:49,186 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:57:49,186 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2024-11-21 15:57:49,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:57:49,187 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2024-11-21 15:57:49,188 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=745, Invalid=2915, Unknown=0, NotChecked=0, Total=3660 [2024-11-21 15:57:49,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:57:49,188 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:57:49,188 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 61 states have (on average 3.2950819672131146) internal successors, (201), 60 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:57:49,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:57:49,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:57:49,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:57:49,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:57:49,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-11-21 15:57:49,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:57:49,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:57:49,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:57:49,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 15:57:49,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:57:49,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:57:49,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:57:49,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:57:49,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:57:49,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-21 15:57:49,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:57:49,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:57:49,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:57:49,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 15:57:49,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 15:57:49,381 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 15:57:49,569 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-21 15:57:49,569 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-21 15:57:49,569 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:57:49,570 INFO L139 ounterexampleChecker]: Examining path program with hash -2094434157, occurence #6 [2024-11-21 15:57:49,570 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:57:49,570 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:57:49,570 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:57:49,570 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-11-21 15:57:49,570 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:57:49,570 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-11-21 15:57:49,570 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:57:49,570 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-11-21 15:57:49,570 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:57:49,570 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-11-21 15:57:49,570 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:57:49,570 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:57:49,570 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:57:49,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:57:49,571 INFO L85 PathProgramCache]: Analyzing trace with hash -450992699, now seen corresponding path program 10 times [2024-11-21 15:57:49,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:57:49,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157240578] [2024-11-21 15:57:49,571 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:57:49,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:57:49,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:57:50,049 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 36 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:57:50,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:57:50,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157240578] [2024-11-21 15:57:50,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157240578] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:57:50,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [290075695] [2024-11-21 15:57:50,051 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-21 15:57:50,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:57:50,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:57:50,053 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:57:50,055 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-21 15:57:50,155 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-21 15:57:50,155 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:57:50,157 INFO L256 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-21 15:57:50,159 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:57:50,726 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 15:57:50,726 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:57:51,266 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 48 proven. 38 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 15:57:51,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [290075695] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:57:51,266 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:57:51,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 22, 19] total 58 [2024-11-21 15:57:51,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964183079] [2024-11-21 15:57:51,266 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:57:51,267 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2024-11-21 15:57:51,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:57:51,267 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2024-11-21 15:57:51,268 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=437, Invalid=2869, Unknown=0, NotChecked=0, Total=3306 [2024-11-21 15:57:51,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:57:51,268 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:57:51,269 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 58 states have (on average 3.586206896551724) internal successors, (208), 58 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:57:51,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:57:51,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:57:51,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:57:51,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:57:51,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-11-21 15:57:51,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:57:51,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:57:51,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:57:51,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 15:57:51,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 15:57:51,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:57:53,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:57:53,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:57:53,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:57:53,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:57:53,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-21 15:57:53,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:57:53,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:57:53,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:57:53,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 15:57:53,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 15:57:53,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-11-21 15:57:53,206 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-21 15:57:53,391 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,SelfDestructingSolverStorable14 [2024-11-21 15:57:53,391 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-21 15:57:53,391 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:57:53,392 INFO L139 ounterexampleChecker]: Examining path program with hash -1563160278, occurence #1 [2024-11-21 15:57:53,392 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 15:57:53,392 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:57:53,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:57:53,392 INFO L85 PathProgramCache]: Analyzing trace with hash -802394547, now seen corresponding path program 11 times [2024-11-21 15:57:53,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:57:53,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144009888] [2024-11-21 15:57:53,392 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:57:53,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:57:53,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:57:54,109 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 242 proven. 101 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:57:54,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:57:54,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144009888] [2024-11-21 15:57:54,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144009888] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:57:54,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1503041631] [2024-11-21 15:57:54,110 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-21 15:57:54,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:57:54,110 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:57:54,112 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:57:54,114 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-21 15:57:54,410 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2024-11-21 15:57:54,410 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:57:54,413 INFO L256 TraceCheckSpWp]: Trace formula consists of 559 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-21 15:57:54,415 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:57:55,220 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 218 proven. 122 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-21 15:57:55,220 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:57:56,139 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 285 proven. 55 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-21 15:57:56,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1503041631] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:57:56,139 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:57:56,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 31, 31] total 83 [2024-11-21 15:57:56,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206657480] [2024-11-21 15:57:56,139 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:57:56,140 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 84 states [2024-11-21 15:57:56,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:57:56,141 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 84 interpolants. [2024-11-21 15:57:56,143 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1520, Invalid=5452, Unknown=0, NotChecked=0, Total=6972 [2024-11-21 15:57:56,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:57:56,143 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:57:56,143 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 84 states, 84 states have (on average 3.5952380952380953) internal successors, (302), 83 states have internal predecessors, (302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:57:56,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:57:56,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:57:56,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:57:56,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:57:56,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-11-21 15:57:56,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:57:56,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:57:56,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:57:56,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 15:57:56,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 15:57:56,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-11-21 15:57:56,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:57:56,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:57:56,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:57:56,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:57:56,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:57:56,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-21 15:57:56,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:57:56,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:57:56,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:57:56,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 15:57:56,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 15:57:56,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-11-21 15:57:56,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 15:57:56,330 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-21 15:57:56,517 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-21 15:57:56,517 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-21 15:57:56,517 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:57:56,517 INFO L139 ounterexampleChecker]: Examining path program with hash -1563160278, occurence #2 [2024-11-21 15:57:56,517 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:57:56,518 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:57:56,518 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:57:56,518 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-11-21 15:57:56,518 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:57:56,518 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2024-11-21 15:57:56,518 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:57:56,518 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2024-11-21 15:57:56,518 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:57:56,518 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2024-11-21 15:57:56,518 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:57:56,518 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:57:56,518 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:57:56,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:57:56,519 INFO L85 PathProgramCache]: Analyzing trace with hash -1197971939, now seen corresponding path program 12 times [2024-11-21 15:57:56,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:57:56,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44751409] [2024-11-21 15:57:56,519 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:57:56,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:57:56,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:57:57,015 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2024-11-21 15:57:57,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:57:57,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44751409] [2024-11-21 15:57:57,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44751409] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:57:57,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [426384216] [2024-11-21 15:57:57,016 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-21 15:57:57,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:57:57,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:57:57,018 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:57:57,020 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-21 15:57:57,558 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2024-11-21 15:57:57,558 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:57:57,562 INFO L256 TraceCheckSpWp]: Trace formula consists of 622 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-21 15:57:57,564 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:57:58,084 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 55 proven. 365 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-21 15:57:58,084 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:57:58,551 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 132 proven. 288 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-21 15:57:58,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [426384216] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:57:58,551 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:57:58,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 24, 24] total 54 [2024-11-21 15:57:58,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618009079] [2024-11-21 15:57:58,552 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:57:58,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2024-11-21 15:57:58,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:57:58,553 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2024-11-21 15:57:58,554 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=606, Invalid=2256, Unknown=0, NotChecked=0, Total=2862 [2024-11-21 15:57:58,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:57:58,554 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:57:58,554 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 4.62962962962963) internal successors, (250), 54 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:57:58,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:57:58,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:57:58,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:57:58,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:57:58,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-11-21 15:57:58,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:57:58,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:57:58,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:57:58,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 15:57:58,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 15:57:58,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-11-21 15:57:58,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-21 15:57:58,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:57:59,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:57:59,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:57:59,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:57:59,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:57:59,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-21 15:57:59,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:57:59,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:57:59,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:57:59,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 15:57:59,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 15:57:59,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-11-21 15:57:59,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 15:57:59,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-11-21 15:57:59,627 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 15:57:59,814 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-21 15:57:59,815 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-21 15:57:59,815 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:57:59,815 INFO L139 ounterexampleChecker]: Examining path program with hash 45165906, occurence #1 [2024-11-21 15:57:59,815 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 15:57:59,815 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:57:59,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:57:59,815 INFO L85 PathProgramCache]: Analyzing trace with hash -481302513, now seen corresponding path program 13 times [2024-11-21 15:57:59,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:57:59,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935454847] [2024-11-21 15:57:59,816 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:57:59,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:57:59,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:58:01,633 INFO L134 CoverageAnalysis]: Checked inductivity of 1000 backedges. 120 proven. 428 refuted. 0 times theorem prover too weak. 452 trivial. 0 not checked. [2024-11-21 15:58:01,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:58:01,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935454847] [2024-11-21 15:58:01,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935454847] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:58:01,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [759701782] [2024-11-21 15:58:01,634 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-21 15:58:01,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:58:01,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:58:01,637 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:58:01,638 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-21 15:58:01,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:58:01,826 INFO L256 TraceCheckSpWp]: Trace formula consists of 809 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-21 15:58:01,829 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:58:03,156 INFO L134 CoverageAnalysis]: Checked inductivity of 1000 backedges. 712 proven. 177 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2024-11-21 15:58:03,156 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:58:04,750 INFO L134 CoverageAnalysis]: Checked inductivity of 1000 backedges. 736 proven. 153 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2024-11-21 15:58:04,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [759701782] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:58:04,750 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:58:04,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 39, 39] total 104 [2024-11-21 15:58:04,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000133961] [2024-11-21 15:58:04,750 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:58:04,751 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 105 states [2024-11-21 15:58:04,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:58:04,752 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 105 interpolants. [2024-11-21 15:58:04,754 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1711, Invalid=9209, Unknown=0, NotChecked=0, Total=10920 [2024-11-21 15:58:04,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:58:04,754 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:58:04,754 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 105 states, 105 states have (on average 2.7142857142857144) internal successors, (285), 104 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:58:04,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:58:04,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:58:04,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:58:04,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:58:04,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-11-21 15:58:04,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:58:04,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:58:04,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:58:04,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 15:58:04,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 15:58:04,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-11-21 15:58:04,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-21 15:58:04,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-11-21 15:58:04,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:58:06,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:58:06,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:58:06,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:58:06,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:58:06,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-21 15:58:06,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:58:06,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:58:06,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:58:06,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 15:58:06,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 15:58:06,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-11-21 15:58:06,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 15:58:06,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-11-21 15:58:06,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-21 15:58:06,174 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-21 15:58:06,362 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,SelfDestructingSolverStorable17 [2024-11-21 15:58:06,363 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-21 15:58:06,363 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:58:06,363 INFO L139 ounterexampleChecker]: Examining path program with hash -653660930, occurence #1 [2024-11-21 15:58:06,363 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 15:58:06,363 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:58:06,363 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:58:06,364 INFO L85 PathProgramCache]: Analyzing trace with hash -162150824, now seen corresponding path program 14 times [2024-11-21 15:58:06,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:58:06,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469070634] [2024-11-21 15:58:06,364 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:58:06,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:58:06,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:58:07,950 INFO L134 CoverageAnalysis]: Checked inductivity of 1018 backedges. 136 proven. 436 refuted. 0 times theorem prover too weak. 446 trivial. 0 not checked. [2024-11-21 15:58:07,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:58:07,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469070634] [2024-11-21 15:58:07,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1469070634] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:58:07,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1386319965] [2024-11-21 15:58:07,950 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 15:58:07,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:58:07,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:58:07,954 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:58:07,956 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-21 15:58:08,162 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-21 15:58:08,163 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:58:08,166 INFO L256 TraceCheckSpWp]: Trace formula consists of 807 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-21 15:58:08,169 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:58:09,538 INFO L134 CoverageAnalysis]: Checked inductivity of 1018 backedges. 712 proven. 223 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2024-11-21 15:58:09,538 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:58:11,290 INFO L134 CoverageAnalysis]: Checked inductivity of 1018 backedges. 764 proven. 171 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2024-11-21 15:58:11,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1386319965] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:58:11,291 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:58:11,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 41, 41] total 109 [2024-11-21 15:58:11,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96098562] [2024-11-21 15:58:11,291 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:58:11,291 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 110 states [2024-11-21 15:58:11,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:58:11,293 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 110 interpolants. [2024-11-21 15:58:11,295 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1853, Invalid=10137, Unknown=0, NotChecked=0, Total=11990 [2024-11-21 15:58:11,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:58:11,295 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:58:11,296 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 110 states, 110 states have (on average 2.7363636363636363) internal successors, (301), 109 states have internal predecessors, (301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:58:11,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:58:11,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:58:11,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:58:11,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:58:11,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-11-21 15:58:11,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:58:11,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:58:11,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:58:11,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 15:58:11,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 15:58:11,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-11-21 15:58:11,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-21 15:58:11,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-11-21 15:58:11,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-21 15:58:11,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:58:12,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:58:12,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:58:12,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:58:12,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:58:12,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-21 15:58:12,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:58:12,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:58:12,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:58:12,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 15:58:12,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 15:58:12,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-11-21 15:58:12,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 15:58:12,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-11-21 15:58:12,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-21 15:58:12,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-11-21 15:58:12,789 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-21 15:58:12,976 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,16 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:58:12,977 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-21 15:58:12,977 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:58:12,977 INFO L139 ounterexampleChecker]: Examining path program with hash -2094434157, occurence #7 [2024-11-21 15:58:12,977 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:58:12,977 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:58:12,977 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:58:12,977 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-11-21 15:58:12,977 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:58:12,977 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2024-11-21 15:58:12,977 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:58:12,977 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2024-11-21 15:58:12,977 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:58:12,978 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 180 [2024-11-21 15:58:12,978 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:58:12,978 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:58:12,978 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:58:12,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:58:12,978 INFO L85 PathProgramCache]: Analyzing trace with hash 1994581434, now seen corresponding path program 15 times [2024-11-21 15:58:12,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:58:12,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709009701] [2024-11-21 15:58:12,978 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:58:12,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:58:13,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:58:14,196 INFO L134 CoverageAnalysis]: Checked inductivity of 1141 backedges. 153 proven. 988 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:58:14,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:58:14,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709009701] [2024-11-21 15:58:14,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [709009701] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:58:14,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [963524371] [2024-11-21 15:58:14,196 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-21 15:58:14,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:58:14,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:58:14,198 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:58:14,199 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-21 15:58:15,202 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2024-11-21 15:58:15,202 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:58:15,208 INFO L256 TraceCheckSpWp]: Trace formula consists of 871 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-21 15:58:15,211 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:58:16,533 INFO L134 CoverageAnalysis]: Checked inductivity of 1141 backedges. 171 proven. 970 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:58:16,534 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:58:17,547 INFO L134 CoverageAnalysis]: Checked inductivity of 1141 backedges. 190 proven. 951 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:58:17,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [963524371] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:58:17,548 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:58:17,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 40, 40] total 98 [2024-11-21 15:58:17,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060392857] [2024-11-21 15:58:17,548 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:58:17,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 99 states [2024-11-21 15:58:17,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:58:17,550 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 99 interpolants. [2024-11-21 15:58:17,552 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2231, Invalid=7471, Unknown=0, NotChecked=0, Total=9702 [2024-11-21 15:58:17,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:58:17,552 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:58:17,553 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 99 states, 99 states have (on average 3.9797979797979797) internal successors, (394), 98 states have internal predecessors, (394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:58:17,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:58:17,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:58:17,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:58:17,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:58:17,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-11-21 15:58:17,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:58:17,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:58:17,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:58:17,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 15:58:17,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 15:58:17,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-11-21 15:58:17,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-21 15:58:17,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-11-21 15:58:17,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-21 15:58:17,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-11-21 15:58:17,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:58:18,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:58:18,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:58:18,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:58:18,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:58:18,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-21 15:58:18,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:58:18,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:58:18,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:58:18,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 15:58:18,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 15:58:18,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-11-21 15:58:18,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 15:58:18,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-11-21 15:58:18,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-21 15:58:18,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-11-21 15:58:18,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-11-21 15:58:18,220 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-21 15:58:18,405 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,17 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:58:18,405 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-21 15:58:18,405 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:58:18,405 INFO L139 ounterexampleChecker]: Examining path program with hash -2094434157, occurence #8 [2024-11-21 15:58:18,405 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:58:18,405 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:58:18,406 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:58:18,406 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-11-21 15:58:18,406 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:58:18,406 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2024-11-21 15:58:18,406 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:58:18,406 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2024-11-21 15:58:18,406 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:58:18,406 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 252 [2024-11-21 15:58:18,406 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:58:18,406 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:58:18,406 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:58:18,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:58:18,406 INFO L85 PathProgramCache]: Analyzing trace with hash -880324294, now seen corresponding path program 16 times [2024-11-21 15:58:18,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:58:18,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588386837] [2024-11-21 15:58:18,407 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:58:18,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:58:18,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:58:23,607 INFO L134 CoverageAnalysis]: Checked inductivity of 2473 backedges. 1933 proven. 540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:58:23,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:58:23,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588386837] [2024-11-21 15:58:23,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588386837] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:58:23,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1690933276] [2024-11-21 15:58:23,607 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-21 15:58:23,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:58:23,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:58:23,609 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:58:23,610 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-21 15:58:23,775 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-21 15:58:23,775 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:58:23,777 INFO L256 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 77 conjuncts are in the unsatisfiable core [2024-11-21 15:58:23,783 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:58:28,922 INFO L134 CoverageAnalysis]: Checked inductivity of 2473 backedges. 0 proven. 2283 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-21 15:58:28,922 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:58:33,501 INFO L134 CoverageAnalysis]: Checked inductivity of 2473 backedges. 1548 proven. 735 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-21 15:58:33,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1690933276] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:58:33,501 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:58:33,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [97, 78, 57] total 229 [2024-11-21 15:58:33,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952049568] [2024-11-21 15:58:33,502 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:58:33,502 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 229 states [2024-11-21 15:58:33,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:58:33,504 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 229 interpolants. [2024-11-21 15:58:33,508 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6892, Invalid=45320, Unknown=0, NotChecked=0, Total=52212 [2024-11-21 15:58:33,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:58:33,509 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:58:33,509 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 229 states, 229 states have (on average 3.148471615720524) internal successors, (721), 229 states have internal predecessors, (721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:58:33,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:58:33,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:58:33,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:58:33,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:58:33,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-11-21 15:58:33,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:58:33,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:58:33,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:58:33,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 15:58:33,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 15:58:33,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-11-21 15:58:33,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-21 15:58:33,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-11-21 15:58:33,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-21 15:58:33,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-11-21 15:58:33,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-11-21 15:58:33,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:58:52,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:58:52,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:58:52,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:58:52,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:58:52,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-21 15:58:52,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 15:58:52,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:58:52,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:58:52,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 15:58:52,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 15:58:52,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-11-21 15:58:52,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 15:58:52,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-11-21 15:58:52,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-21 15:58:52,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-11-21 15:58:52,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-11-21 15:58:52,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 249 states. [2024-11-21 15:58:52,422 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-21 15:58:52,610 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,18 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:58:52,610 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-21 15:58:52,610 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:58:52,610 INFO L139 ounterexampleChecker]: Examining path program with hash 1640827743, occurence #1 [2024-11-21 15:58:52,610 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 15:58:52,610 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:58:52,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:58:52,611 INFO L85 PathProgramCache]: Analyzing trace with hash -18557392, now seen corresponding path program 17 times [2024-11-21 15:58:52,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:58:52,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729105759] [2024-11-21 15:58:52,611 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:58:52,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:58:52,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:58:59,684 INFO L134 CoverageAnalysis]: Checked inductivity of 3579 backedges. 2966 proven. 613 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:58:59,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:58:59,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729105759] [2024-11-21 15:58:59,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729105759] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:58:59,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2088021143] [2024-11-21 15:58:59,685 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-21 15:58:59,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:58:59,685 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:58:59,686 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:58:59,687 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 16:00:31,836 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 28 check-sat command(s) [2024-11-21 16:00:31,837 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 16:00:31,856 INFO L256 TraceCheckSpWp]: Trace formula consists of 1320 conjuncts, 56 conjuncts are in the unsatisfiable core [2024-11-21 16:00:31,863 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:00:35,435 INFO L134 CoverageAnalysis]: Checked inductivity of 3579 backedges. 3369 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 16:00:35,435 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:00:39,324 INFO L134 CoverageAnalysis]: Checked inductivity of 3579 backedges. 3369 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 16:00:39,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2088021143] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:00:39,324 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:00:39,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [114, 54, 54] total 219 [2024-11-21 16:00:39,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462897497] [2024-11-21 16:00:39,324 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:00:39,325 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 220 states [2024-11-21 16:00:39,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:00:39,328 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 220 interpolants. [2024-11-21 16:00:39,334 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7700, Invalid=40480, Unknown=0, NotChecked=0, Total=48180 [2024-11-21 16:00:39,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:00:39,334 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:00:39,335 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 220 states, 220 states have (on average 4.072727272727272) internal successors, (896), 219 states have internal predecessors, (896), 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 16:00:39,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:00:39,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:00:39,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 16:00:39,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:00:39,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-11-21 16:00:39,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 16:00:39,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 16:00:39,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:00:39,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:00:39,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:00:39,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-11-21 16:00:39,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-21 16:00:39,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-11-21 16:00:39,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-21 16:00:39,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-11-21 16:00:39,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-11-21 16:00:39,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 249 states. [2024-11-21 16:00:39,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:00:39,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:00:39,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:00:39,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 16:00:39,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:00:39,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-21 16:00:39,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 16:00:39,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 16:00:39,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:00:39,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:00:39,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:00:39,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-11-21 16:00:39,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 16:00:39,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-11-21 16:00:39,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-21 16:00:39,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-11-21 16:00:39,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-11-21 16:00:39,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 249 states. [2024-11-21 16:00:39,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-21 16:00:39,655 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-21 16:00:39,796 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,19 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:00:39,796 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-21 16:00:39,796 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:00:39,797 INFO L139 ounterexampleChecker]: Examining path program with hash 1640827743, occurence #2 [2024-11-21 16:00:39,797 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:00:39,797 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 16:00:39,797 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:00:39,797 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-21 16:00:39,797 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:00:39,797 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2024-11-21 16:00:39,797 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:00:39,797 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2024-11-21 16:00:39,797 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:00:39,797 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 313 [2024-11-21 16:00:39,798 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:00:39,798 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 16:00:39,798 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:00:39,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:00:39,798 INFO L85 PathProgramCache]: Analyzing trace with hash -983937952, now seen corresponding path program 18 times [2024-11-21 16:00:39,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:00:39,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486536162] [2024-11-21 16:00:39,798 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:00:39,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:00:39,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:00:44,486 INFO L134 CoverageAnalysis]: Checked inductivity of 3865 backedges. 2972 proven. 893 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 16:00:44,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:00:44,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486536162] [2024-11-21 16:00:44,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486536162] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:00:44,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [288391747] [2024-11-21 16:00:44,487 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-21 16:00:44,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:00:44,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:00:44,489 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 16:00:44,489 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 16:00:50,252 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 28 check-sat command(s) [2024-11-21 16:00:50,252 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 16:00:50,276 INFO L256 TraceCheckSpWp]: Trace formula consists of 1419 conjuncts, 77 conjuncts are in the unsatisfiable core [2024-11-21 16:00:50,281 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:00:55,069 INFO L134 CoverageAnalysis]: Checked inductivity of 3865 backedges. 0 proven. 3369 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-11-21 16:00:55,069 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:00:58,150 INFO L134 CoverageAnalysis]: Checked inductivity of 3865 backedges. 2477 proven. 262 refuted. 0 times theorem prover too weak. 1126 trivial. 0 not checked. [2024-11-21 16:00:58,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [288391747] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:00:58,150 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:00:58,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [93, 78, 41] total 209 [2024-11-21 16:00:58,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489797053] [2024-11-21 16:00:58,150 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:00:58,151 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 209 states [2024-11-21 16:00:58,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:00:58,153 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 209 interpolants. [2024-11-21 16:00:58,157 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5062, Invalid=38410, Unknown=0, NotChecked=0, Total=43472 [2024-11-21 16:00:58,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:00:58,157 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:00:58,157 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 209 states, 209 states have (on average 3.7033492822966507) internal successors, (774), 209 states have internal predecessors, (774), 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 16:00:58,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:00:58,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:00:58,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 16:00:58,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:00:58,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-11-21 16:00:58,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 16:00:58,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 16:00:58,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:00:58,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:00:58,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:00:58,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-11-21 16:00:58,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-21 16:00:58,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-11-21 16:00:58,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-21 16:00:58,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-11-21 16:00:58,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-11-21 16:00:58,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 249 states. [2024-11-21 16:00:58,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-11-21 16:00:58,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:01:11,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:01:11,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:01:11,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 16:01:11,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:01:11,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-21 16:01:11,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 16:01:11,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 16:01:11,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:01:11,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:01:11,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:01:11,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-11-21 16:01:11,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 16:01:11,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-11-21 16:01:11,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-21 16:01:11,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-11-21 16:01:11,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-11-21 16:01:11,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 249 states. [2024-11-21 16:01:11,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-21 16:01:11,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 232 states. [2024-11-21 16:01:11,706 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 16:01:11,886 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,SelfDestructingSolverStorable22 [2024-11-21 16:01:11,886 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-21 16:01:11,886 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:01:11,886 INFO L139 ounterexampleChecker]: Examining path program with hash 1640827743, occurence #3 [2024-11-21 16:01:11,886 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:01:11,886 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 16:01:11,886 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:01:11,886 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-21 16:01:11,886 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:01:11,886 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-21 16:01:11,886 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:01:11,886 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2024-11-21 16:01:11,887 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:01:11,887 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 365 [2024-11-21 16:01:11,887 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:01:11,887 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 16:01:11,887 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:01:11,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:01:11,887 INFO L85 PathProgramCache]: Analyzing trace with hash -223335350, now seen corresponding path program 19 times [2024-11-21 16:01:11,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:01:11,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433228511] [2024-11-21 16:01:11,887 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:01:11,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:01:11,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:01:15,143 INFO L134 CoverageAnalysis]: Checked inductivity of 5256 backedges. 4502 proven. 714 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-21 16:01:15,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:01:15,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433228511] [2024-11-21 16:01:15,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433228511] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:01:15,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1983462645] [2024-11-21 16:01:15,143 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-21 16:01:15,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:01:15,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:01:15,145 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 16:01:15,147 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 16:01:15,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:01:15,497 INFO L256 TraceCheckSpWp]: Trace formula consists of 1615 conjuncts, 71 conjuncts are in the unsatisfiable core [2024-11-21 16:01:15,502 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:01:18,580 INFO L134 CoverageAnalysis]: Checked inductivity of 5256 backedges. 3466 proven. 622 refuted. 0 times theorem prover too weak. 1168 trivial. 0 not checked. [2024-11-21 16:01:18,580 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:01:22,366 INFO L134 CoverageAnalysis]: Checked inductivity of 5256 backedges. 3560 proven. 528 refuted. 0 times theorem prover too weak. 1168 trivial. 0 not checked. [2024-11-21 16:01:22,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1983462645] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:01:22,366 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:01:22,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [70, 69, 69] total 204 [2024-11-21 16:01:22,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144856010] [2024-11-21 16:01:22,367 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:01:22,368 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 205 states [2024-11-21 16:01:22,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:01:22,371 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 205 interpolants. [2024-11-21 16:01:22,376 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7317, Invalid=34503, Unknown=0, NotChecked=0, Total=41820 [2024-11-21 16:01:22,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:01:22,376 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:01:22,377 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 205 states, 205 states have (on average 3.5121951219512195) internal successors, (720), 204 states have internal predecessors, (720), 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 16:01:22,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:01:22,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:01:22,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 16:01:22,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:01:22,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-11-21 16:01:22,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 16:01:22,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 16:01:22,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:01:22,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:01:22,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:01:22,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-11-21 16:01:22,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-21 16:01:22,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-11-21 16:01:22,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-21 16:01:22,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-11-21 16:01:22,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-11-21 16:01:22,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 249 states. [2024-11-21 16:01:22,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-11-21 16:01:22,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 232 states. [2024-11-21 16:01:22,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:01:22,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:01:22,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:01:22,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 16:01:22,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:01:22,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-21 16:01:22,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 16:01:22,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 16:01:22,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:01:22,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:01:22,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:01:22,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-11-21 16:01:22,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 16:01:22,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-11-21 16:01:22,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-21 16:01:22,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-11-21 16:01:22,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-11-21 16:01:22,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 249 states. [2024-11-21 16:01:22,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-21 16:01:22,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 232 states. [2024-11-21 16:01:22,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-21 16:01:22,632 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 16:01:22,818 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,21 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:01:22,818 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-21 16:01:22,818 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:01:22,818 INFO L139 ounterexampleChecker]: Examining path program with hash 1640827743, occurence #4 [2024-11-21 16:01:22,818 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:01:22,818 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 16:01:22,819 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:01:22,819 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-21 16:01:22,819 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:01:22,819 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2024-11-21 16:01:22,819 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:01:22,819 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2024-11-21 16:01:22,819 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:01:22,819 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 366 [2024-11-21 16:01:22,819 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:01:22,819 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 16:01:22,819 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:01:22,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:01:22,820 INFO L85 PathProgramCache]: Analyzing trace with hash -426831334, now seen corresponding path program 20 times [2024-11-21 16:01:22,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:01:22,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948632689] [2024-11-21 16:01:22,820 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:01:22,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:01:22,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:01:33,451 INFO L134 CoverageAnalysis]: Checked inductivity of 5289 backedges. 4247 proven. 1042 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 16:01:33,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:01:33,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948632689] [2024-11-21 16:01:33,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948632689] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:01:33,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [906418368] [2024-11-21 16:01:33,452 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 16:01:33,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:01:33,452 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:01:33,453 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 16:01:33,454 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 16:01:33,795 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-21 16:01:33,795 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 16:01:33,802 INFO L256 TraceCheckSpWp]: Trace formula consists of 1624 conjuncts, 73 conjuncts are in the unsatisfiable core [2024-11-21 16:01:33,807 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:01:38,880 INFO L134 CoverageAnalysis]: Checked inductivity of 5289 backedges. 3560 proven. 609 refuted. 0 times theorem prover too weak. 1120 trivial. 0 not checked. [2024-11-21 16:01:38,880 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:01:45,111 INFO L134 CoverageAnalysis]: Checked inductivity of 5289 backedges. 3608 proven. 561 refuted. 0 times theorem prover too weak. 1120 trivial. 0 not checked. [2024-11-21 16:01:45,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [906418368] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:01:45,112 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:01:45,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [144, 71, 71] total 282 [2024-11-21 16:01:45,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741473963] [2024-11-21 16:01:45,112 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:01:45,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 283 states [2024-11-21 16:01:45,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:01:45,116 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 283 interpolants. [2024-11-21 16:01:45,120 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11587, Invalid=68219, Unknown=0, NotChecked=0, Total=79806 [2024-11-21 16:01:45,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:01:45,121 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:01:45,121 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 283 states, 283 states have (on average 2.696113074204947) internal successors, (763), 282 states have internal predecessors, (763), 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 16:01:45,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:01:45,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:01:45,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 16:01:45,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:01:45,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-11-21 16:01:45,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 16:01:45,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 16:01:45,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:01:45,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:01:45,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:01:45,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-11-21 16:01:45,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-21 16:01:45,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-11-21 16:01:45,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-21 16:01:45,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-11-21 16:01:45,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-11-21 16:01:45,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 249 states. [2024-11-21 16:01:45,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-11-21 16:01:45,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 232 states. [2024-11-21 16:01:45,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-11-21 16:01:45,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:01:45,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:01:45,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:01:45,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 16:01:45,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:01:45,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-21 16:01:45,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 16:01:45,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 16:01:45,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:01:45,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:01:45,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:01:45,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-11-21 16:01:45,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 16:01:45,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-11-21 16:01:45,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-21 16:01:45,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-11-21 16:01:45,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-11-21 16:01:45,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 249 states. [2024-11-21 16:01:45,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-21 16:01:45,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 232 states. [2024-11-21 16:01:45,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-21 16:01:45,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-11-21 16:01:45,410 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 16:01:45,595 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,SelfDestructingSolverStorable24 [2024-11-21 16:01:45,595 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-21 16:01:45,595 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:01:45,595 INFO L139 ounterexampleChecker]: Examining path program with hash 1640827743, occurence #5 [2024-11-21 16:01:45,596 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:01:45,596 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 16:01:45,596 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:01:45,596 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2024-11-21 16:01:45,596 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:01:45,596 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2024-11-21 16:01:45,596 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:01:45,596 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42 [2024-11-21 16:01:45,596 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:01:45,596 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 367 [2024-11-21 16:01:45,596 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:01:45,596 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 16:01:45,596 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:01:45,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:01:45,597 INFO L85 PathProgramCache]: Analyzing trace with hash 1854727754, now seen corresponding path program 21 times [2024-11-21 16:01:45,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:01:45,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593331061] [2024-11-21 16:01:45,597 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:01:45,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:01:45,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:01:56,358 INFO L134 CoverageAnalysis]: Checked inductivity of 5323 backedges. 4247 proven. 1076 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 16:01:56,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:01:56,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593331061] [2024-11-21 16:01:56,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593331061] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:01:56,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [173707444] [2024-11-21 16:01:56,359 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-21 16:01:56,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:01:56,359 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:01:56,361 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 16:01:56,361 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 16:02:20,606 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 33 check-sat command(s) [2024-11-21 16:02:20,606 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 16:02:20,634 INFO L256 TraceCheckSpWp]: Trace formula consists of 1633 conjuncts, 75 conjuncts are in the unsatisfiable core [2024-11-21 16:02:20,641 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:02:26,067 INFO L134 CoverageAnalysis]: Checked inductivity of 5323 backedges. 4044 proven. 1239 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-21 16:02:26,067 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:02:32,210 INFO L134 CoverageAnalysis]: Checked inductivity of 5323 backedges. 4688 proven. 595 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-21 16:02:32,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [173707444] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:02:32,210 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:02:32,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [145, 73, 73] total 287 [2024-11-21 16:02:32,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119387539] [2024-11-21 16:02:32,211 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:02:32,211 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 288 states [2024-11-21 16:02:32,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:02:32,214 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 288 interpolants. [2024-11-21 16:02:32,221 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11781, Invalid=70875, Unknown=0, NotChecked=0, Total=82656 [2024-11-21 16:02:32,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:02:32,221 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:02:32,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 288 states, 288 states have (on average 3.59375) internal successors, (1035), 287 states have internal predecessors, (1035), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 16:02:32,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:02:32,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:02:32,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 16:02:32,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:02:32,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-11-21 16:02:32,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 16:02:32,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 16:02:32,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:02:32,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:02:32,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:02:32,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-11-21 16:02:32,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-21 16:02:32,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-11-21 16:02:32,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-21 16:02:32,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-11-21 16:02:32,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-11-21 16:02:32,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 249 states. [2024-11-21 16:02:32,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-11-21 16:02:32,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 232 states. [2024-11-21 16:02:32,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-11-21 16:02:32,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-11-21 16:02:32,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:02:32,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:02:32,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:02:32,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 16:02:32,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:02:32,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-21 16:02:32,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 16:02:32,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 16:02:32,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:02:32,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:02:32,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:02:32,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-11-21 16:02:32,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 16:02:32,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-11-21 16:02:32,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-21 16:02:32,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-11-21 16:02:32,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-11-21 16:02:32,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 249 states. [2024-11-21 16:02:32,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-21 16:02:32,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 232 states. [2024-11-21 16:02:32,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-21 16:02:32,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-11-21 16:02:32,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-11-21 16:02:32,648 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-11-21 16:02:32,791 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,SelfDestructingSolverStorable25 [2024-11-21 16:02:32,791 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-21 16:02:32,791 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:02:32,791 INFO L139 ounterexampleChecker]: Examining path program with hash 1640827743, occurence #6 [2024-11-21 16:02:32,791 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:02:32,791 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 16:02:32,791 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:02:32,792 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-21 16:02:32,792 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:02:32,792 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2024-11-21 16:02:32,792 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:02:32,792 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2024-11-21 16:02:32,792 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:02:32,792 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 368 [2024-11-21 16:02:32,792 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:02:32,792 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 16:02:32,792 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:02:32,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:02:32,792 INFO L85 PathProgramCache]: Analyzing trace with hash -431384550, now seen corresponding path program 22 times [2024-11-21 16:02:32,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:02:32,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278548166] [2024-11-21 16:02:32,793 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:02:32,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:02:32,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:02:43,486 INFO L134 CoverageAnalysis]: Checked inductivity of 5358 backedges. 4247 proven. 1111 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 16:02:43,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:02:43,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278548166] [2024-11-21 16:02:43,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [278548166] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:02:43,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2093763285] [2024-11-21 16:02:43,487 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-21 16:02:43,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:02:43,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:02:43,490 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 16:02:43,491 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 16:02:43,759 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-21 16:02:43,759 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 16:02:43,763 INFO L256 TraceCheckSpWp]: Trace formula consists of 432 conjuncts, 110 conjuncts are in the unsatisfiable core [2024-11-21 16:02:43,768 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:02:53,854 INFO L134 CoverageAnalysis]: Checked inductivity of 5358 backedges. 0 proven. 4728 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2024-11-21 16:02:53,854 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:03:03,172 INFO L134 CoverageAnalysis]: Checked inductivity of 5358 backedges. 4402 proven. 326 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2024-11-21 16:03:03,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2093763285] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:03:03,173 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:03:03,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [146, 111, 80] total 334 [2024-11-21 16:03:03,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77383558] [2024-11-21 16:03:03,173 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:03:03,173 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 334 states [2024-11-21 16:03:03,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:03:03,176 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 334 interpolants. [2024-11-21 16:03:03,180 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14042, Invalid=97180, Unknown=0, NotChecked=0, Total=111222 [2024-11-21 16:03:03,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:03:03,181 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:03:03,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 334 states, 334 states have (on average 3.089820359281437) internal successors, (1032), 334 states have internal predecessors, (1032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 16:03:03,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:03,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:03:03,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 16:03:03,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:03:03,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-11-21 16:03:03,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 16:03:03,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 16:03:03,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:03:03,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:03:03,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:03:03,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-11-21 16:03:03,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-21 16:03:03,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-11-21 16:03:03,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-21 16:03:03,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-11-21 16:03:03,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-11-21 16:03:03,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 249 states. [2024-11-21 16:03:03,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-11-21 16:03:03,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 232 states. [2024-11-21 16:03:03,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-11-21 16:03:03,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-11-21 16:03:03,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-11-21 16:03:03,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:03:46,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:46,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:03:46,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 16:03:46,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:03:46,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-21 16:03:46,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 16:03:46,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 16:03:46,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:03:46,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:03:46,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:03:46,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-11-21 16:03:46,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 16:03:46,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-11-21 16:03:46,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-21 16:03:46,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-11-21 16:03:46,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-11-21 16:03:46,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 290 states. [2024-11-21 16:03:46,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-21 16:03:46,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 232 states. [2024-11-21 16:03:46,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-21 16:03:46,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-11-21 16:03:46,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-11-21 16:03:46,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 347 states. [2024-11-21 16:03:46,421 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 16:03:46,608 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-21 16:03:46,609 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-21 16:03:46,609 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:03:46,609 INFO L139 ounterexampleChecker]: Examining path program with hash -1715560771, occurence #1 [2024-11-21 16:03:46,609 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 16:03:46,609 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:03:46,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:03:46,610 INFO L85 PathProgramCache]: Analyzing trace with hash -340327288, now seen corresponding path program 23 times [2024-11-21 16:03:46,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:03:46,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312376468] [2024-11-21 16:03:46,610 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:03:46,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:03:46,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:04,322 INFO L134 CoverageAnalysis]: Checked inductivity of 9404 backedges. 8089 proven. 1315 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 16:04:04,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:04:04,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312376468] [2024-11-21 16:04:04,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312376468] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:04,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [216911136] [2024-11-21 16:04:04,323 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-21 16:04:04,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:04:04,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:04:04,325 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 16:04:04,326 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