./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/weaver/popl20-more-buffer-mult.wvr.c --full-output --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1f73d82f Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../sv-benchmarks/c/weaver/popl20-more-buffer-mult.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 e5124dd4a5a155d8a4e322a35428820633f9eccdd993e14120e650d1ba1fbebe --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT --- Real Ultimate output --- This is Ultimate 0.3.0-dev-1f73d82-m [2024-11-21 16:02:01,112 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-21 16:02:01,199 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-11-21 16:02:01,211 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-21 16:02:01,211 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-21 16:02:01,241 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-21 16:02:01,242 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-21 16:02:01,242 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-21 16:02:01,242 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-21 16:02:01,242 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-21 16:02:01,243 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-21 16:02:01,243 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-21 16:02:01,244 INFO L153 SettingsManager]: * Use SBE=true [2024-11-21 16:02:01,244 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-21 16:02:01,244 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-21 16:02:01,244 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-21 16:02:01,244 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-21 16:02:01,244 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-21 16:02:01,244 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-21 16:02:01,244 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-21 16:02:01,244 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-21 16:02:01,244 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-21 16:02:01,244 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-21 16:02:01,245 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-21 16:02:01,245 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-21 16:02:01,245 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-21 16:02:01,245 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-21 16:02:01,245 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-21 16:02:01,245 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-21 16:02:01,245 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-21 16:02:01,246 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-21 16:02:01,246 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-21 16:02:01,246 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-21 16:02:01,246 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-21 16:02:01,246 INFO L153 SettingsManager]: * Commutativity condition synthesis=SUFFICIENT [2024-11-21 16:02:01,246 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-21 16:02:01,247 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-21 16:02:01,247 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-11-21 16:02:01,247 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-21 16:02:01,247 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-21 16:02:01,247 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-21 16:02:01,247 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-21 16:02:01,247 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-21 16:02:01,247 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 -> e5124dd4a5a155d8a4e322a35428820633f9eccdd993e14120e650d1ba1fbebe Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NECESSARY_AND_SUFFICIENT [2024-11-21 16:02:01,496 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-21 16:02:01,503 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-21 16:02:01,505 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-21 16:02:01,506 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-21 16:02:01,506 INFO L274 PluginConnector]: CDTParser initialized [2024-11-21 16:02:01,507 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/weaver/popl20-more-buffer-mult.wvr.c [2024-11-21 16:02:02,664 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/43ebd4e68/a65dd17351134a808b3666187672c129/FLAG319e19354 [2024-11-21 16:02:02,875 INFO L384 CDTParser]: Found 1 translation units. [2024-11-21 16:02:02,875 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more-buffer-mult.wvr.c [2024-11-21 16:02:02,881 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/43ebd4e68/a65dd17351134a808b3666187672c129/FLAG319e19354 [2024-11-21 16:02:03,245 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/43ebd4e68/a65dd17351134a808b3666187672c129 [2024-11-21 16:02:03,247 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-21 16:02:03,248 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-21 16:02:03,249 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-21 16:02:03,249 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-21 16:02:03,254 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-21 16:02:03,255 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:02:03" (1/1) ... [2024-11-21 16:02:03,255 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76091a2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:02:03, skipping insertion in model container [2024-11-21 16:02:03,255 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:02:03" (1/1) ... [2024-11-21 16:02:03,273 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-21 16:02:03,402 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more-buffer-mult.wvr.c[4270,4283] [2024-11-21 16:02:03,411 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 16:02:03,418 INFO L200 MainTranslator]: Completed pre-run [2024-11-21 16:02:03,441 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more-buffer-mult.wvr.c[4270,4283] [2024-11-21 16:02:03,448 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 16:02:03,460 INFO L204 MainTranslator]: Completed translation [2024-11-21 16:02:03,460 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:02:03 WrapperNode [2024-11-21 16:02:03,461 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-21 16:02:03,461 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-21 16:02:03,461 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-21 16:02:03,462 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-21 16:02:03,466 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:02:03" (1/1) ... [2024-11-21 16:02:03,472 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:02:03" (1/1) ... [2024-11-21 16:02:03,488 INFO L138 Inliner]: procedures = 26, calls = 60, calls flagged for inlining = 18, calls inlined = 22, statements flattened = 290 [2024-11-21 16:02:03,489 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-21 16:02:03,489 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-21 16:02:03,489 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-21 16:02:03,489 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-21 16:02:03,494 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:02:03" (1/1) ... [2024-11-21 16:02:03,494 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:02:03" (1/1) ... [2024-11-21 16:02:03,497 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:02:03" (1/1) ... [2024-11-21 16:02:03,497 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:02:03" (1/1) ... [2024-11-21 16:02:03,502 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:02:03" (1/1) ... [2024-11-21 16:02:03,503 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:02:03" (1/1) ... [2024-11-21 16:02:03,509 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:02:03" (1/1) ... [2024-11-21 16:02:03,510 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:02:03" (1/1) ... [2024-11-21 16:02:03,511 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:02:03" (1/1) ... [2024-11-21 16:02:03,517 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-21 16:02:03,517 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-21 16:02:03,518 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-21 16:02:03,518 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-21 16:02:03,518 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:02:03" (1/1) ... [2024-11-21 16:02:03,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-21 16:02:03,535 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:02:03,545 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-21 16:02:03,547 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-21 16:02:03,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-21 16:02:03,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-21 16:02:03,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-21 16:02:03,565 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-21 16:02:03,565 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-21 16:02:03,565 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-21 16:02:03,565 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-21 16:02:03,565 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-21 16:02:03,565 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-21 16:02:03,565 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-11-21 16:02:03,565 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-11-21 16:02:03,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-21 16:02:03,565 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-21 16:02:03,566 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-21 16:02:03,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-21 16:02:03,566 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-21 16:02:03,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-21 16:02:03,567 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-21 16:02:03,645 INFO L234 CfgBuilder]: Building ICFG [2024-11-21 16:02:03,648 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-21 16:02:03,971 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-21 16:02:03,971 INFO L283 CfgBuilder]: Performing block encoding [2024-11-21 16:02:04,168 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-21 16:02:04,168 INFO L312 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-21 16:02:04,169 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:02:04 BoogieIcfgContainer [2024-11-21 16:02:04,169 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-21 16:02:04,170 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-21 16:02:04,170 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-21 16:02:04,174 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-21 16:02:04,174 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 04:02:03" (1/3) ... [2024-11-21 16:02:04,174 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74080a70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:02:04, skipping insertion in model container [2024-11-21 16:02:04,174 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:02:03" (2/3) ... [2024-11-21 16:02:04,175 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74080a70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:02:04, skipping insertion in model container [2024-11-21 16:02:04,175 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:02:04" (3/3) ... [2024-11-21 16:02:04,175 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-more-buffer-mult.wvr.c [2024-11-21 16:02:04,185 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-21 16:02:04,186 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-more-buffer-mult.wvr.c that has 5 procedures, 45 locations, 1 initial locations, 6 loop locations, and 1 error locations. [2024-11-21 16:02:04,187 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-21 16:02:04,224 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-11-21 16:02:04,266 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 16:02:04,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-21 16:02:04,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:02:04,272 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-21 16:02:04,273 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-21 16:02:04,347 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-21 16:02:04,361 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-21 16:02:04,366 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;@72bc77f2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 16:02:04,367 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-11-21 16:02:05,410 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-21 16:02:05,411 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:02:05,411 INFO L139 ounterexampleChecker]: Examining path program with hash -1616716779, occurence #1 [2024-11-21 16:02:05,411 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 16:02:05,411 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:02:05,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:02:05,414 INFO L85 PathProgramCache]: Analyzing trace with hash 1890904776, now seen corresponding path program 1 times [2024-11-21 16:02:05,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:02:05,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948809029] [2024-11-21 16:02:05,420 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:02:05,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:02:05,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:02:06,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 16:02:06,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:02:06,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948809029] [2024-11-21 16:02:06,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948809029] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 16:02:06,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 16:02:06,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-21 16:02:06,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110417585] [2024-11-21 16:02:06,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 16:02:06,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-21 16:02:06,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:02:06,448 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-21 16:02:06,449 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-21 16:02:06,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:02:06,452 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:02:06,452 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 16:02:06,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:02:06,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:02:06,564 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-21 16:02:06,564 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-21 16:02:06,564 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:02:06,564 INFO L139 ounterexampleChecker]: Examining path program with hash -1616716779, occurence #2 [2024-11-21 16:02:06,564 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:02:06,565 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 16:02:06,565 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:02:06,565 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2024-11-21 16:02:06,565 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:02:06,565 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-11-21 16:02:06,573 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:02:06,573 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-11-21 16:02:06,573 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:02:06,573 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-11-21 16:02:06,573 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:02:06,573 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-11-21 16:02:06,573 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:02:06,573 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 64 [2024-11-21 16:02:06,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:02:06,618 INFO L85 PathProgramCache]: Analyzing trace with hash -2133253688, now seen corresponding path program 1 times [2024-11-21 16:02:06,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:02:06,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875745555] [2024-11-21 16:02:06,619 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:02:06,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:02:06,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:02:06,838 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 16:02:06,839 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:02:06,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875745555] [2024-11-21 16:02:06,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1875745555] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 16:02:06,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 16:02:06,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-21 16:02:06,840 INFO L172 ounterexampleChecker]: Successfully proved commutativity at non-minimality point 64. Constructing proof automaton... [2024-11-21 16:02:06,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 16:02:06,841 INFO L309 artialOrderCegarLoop]: Commutativity proof succeeded, skipping feasibility check. [2024-11-21 16:02:06,842 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-21 16:02:06,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SMTINTERPOL [2024-11-21 16:02:06,842 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-21 16:02:06,842 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-21 16:02:06,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:02:06,844 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:02:06,844 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 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 16:02:06,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:02:06,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:02:06,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:02:06,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:02:06,939 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-21 16:02:06,939 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-21 16:02:06,939 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:02:06,939 INFO L139 ounterexampleChecker]: Examining path program with hash -1616716779, occurence #3 [2024-11-21 16:02:06,939 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:02:06,940 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 16:02:06,940 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:02:06,940 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2024-11-21 16:02:06,940 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:02:06,940 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2024-11-21 16:02:06,940 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:02:06,940 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-11-21 16:02:06,940 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:02:06,940 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-21 16:02:06,941 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:02:06,941 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2024-11-21 16:02:06,941 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:02:06,941 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 65 [2024-11-21 16:02:06,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:02:06,982 INFO L85 PathProgramCache]: Analyzing trace with hash -1854995382, now seen corresponding path program 1 times [2024-11-21 16:02:06,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:02:06,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904250659] [2024-11-21 16:02:06,982 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:02:06,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:02:07,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:02:07,243 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 16:02:07,244 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:02:07,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904250659] [2024-11-21 16:02:07,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904250659] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:02:07,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1874407203] [2024-11-21 16:02:07,245 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:02:07,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:02:07,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:02:07,294 INFO L256 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-21 16:02:07,298 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:02:07,395 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 16:02:07,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1874407203] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:02:07,395 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:02:07,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-21 16:02:07,396 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:02:07,396 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 70 [2024-11-21 16:02:07,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:02:07,424 INFO L85 PathProgramCache]: Analyzing trace with hash -302512927, now seen corresponding path program 1 times [2024-11-21 16:02:07,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:02:07,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019224874] [2024-11-21 16:02:07,424 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:02:07,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:02:07,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:02:07,646 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 16:02:07,647 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:02:07,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019224874] [2024-11-21 16:02:07,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019224874] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:02:07,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [131534513] [2024-11-21 16:02:07,647 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:02:07,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:02:07,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:02:07,679 INFO L256 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-21 16:02:07,681 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:02:07,805 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 16:02:07,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [131534513] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:02:07,806 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:02:07,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2024-11-21 16:02:07,807 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:02:07,807 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 78 [2024-11-21 16:02:07,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:02:07,904 INFO L85 PathProgramCache]: Analyzing trace with hash 1658868794, now seen corresponding path program 1 times [2024-11-21 16:02:07,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:02:07,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505083289] [2024-11-21 16:02:07,904 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:02:07,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:02:07,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:02:08,165 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 16:02:08,166 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:02:08,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505083289] [2024-11-21 16:02:08,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505083289] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:02:08,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [999791123] [2024-11-21 16:02:08,166 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:02:08,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:02:08,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:02:08,207 INFO L256 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-21 16:02:08,210 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:02:08,307 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 16:02:08,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [999791123] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:02:08,307 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:02:08,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-21 16:02:08,307 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:02:08,307 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 108 is hopeless, skipping. [2024-11-21 16:02:08,307 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 117 is hopeless, skipping. [2024-11-21 16:02:08,307 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 138 [2024-11-21 16:02:08,307 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:02:08,307 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 16:02:08,308 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:02:08,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:02:08,308 INFO L85 PathProgramCache]: Analyzing trace with hash 1691801724, now seen corresponding path program 1 times [2024-11-21 16:02:08,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:02:08,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507791114] [2024-11-21 16:02:08,308 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:02:08,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:02:08,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:02:08,768 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 16:02:08,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:02:08,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507791114] [2024-11-21 16:02:08,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [507791114] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:02:08,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1921639824] [2024-11-21 16:02:08,769 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:02:08,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:02:08,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:02:08,790 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 16:02:08,792 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-21 16:02:08,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:02:08,972 INFO L256 TraceCheckSpWp]: Trace formula consists of 669 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-21 16:02:08,976 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:02:09,069 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 16:02:09,069 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:02:09,180 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 16:02:09,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1921639824] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:02:09,181 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:02:09,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 13 [2024-11-21 16:02:09,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490527717] [2024-11-21 16:02:09,181 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:02:09,182 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-21 16:02:09,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:02:09,182 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-21 16:02:09,183 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2024-11-21 16:02:09,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:02:09,183 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:02:09,183 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 8.071428571428571) internal successors, (113), 13 states have internal predecessors, (113), 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 16:02:09,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:02:09,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:02:09,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:02:09,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:02:09,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:02:09,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:02:09,356 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-21 16:02:09,547 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3,SelfDestructingSolverStorable2,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-21 16:02:09,548 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-21 16:02:09,548 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:02:09,548 INFO L139 ounterexampleChecker]: Examining path program with hash -1616716779, occurence #4 [2024-11-21 16:02:09,548 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:02:09,548 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 16:02:09,548 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:02:09,548 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2024-11-21 16:02:09,548 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:02:09,548 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-11-21 16:02:09,548 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:02:09,548 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2024-11-21 16:02:09,548 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:02:09,548 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-11-21 16:02:09,548 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:02:09,548 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-11-21 16:02:09,548 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:02:09,549 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 66 [2024-11-21 16:02:09,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:02:09,590 INFO L85 PathProgramCache]: Analyzing trace with hash -1274993592, now seen corresponding path program 1 times [2024-11-21 16:02:09,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:02:09,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797913785] [2024-11-21 16:02:09,590 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:02:09,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:02:09,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:02:09,795 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 16:02:09,795 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:02:09,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797913785] [2024-11-21 16:02:09,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797913785] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:02:09,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1721494382] [2024-11-21 16:02:09,796 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:02:09,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:02:09,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:02:09,821 INFO L256 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-21 16:02:09,823 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:02:09,956 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 16:02:09,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1721494382] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:02:09,956 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:02:09,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2024-11-21 16:02:09,956 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:02:09,956 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2024-11-21 16:02:09,976 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:02:09,976 INFO L85 PathProgramCache]: Analyzing trace with hash 519345685, now seen corresponding path program 1 times [2024-11-21 16:02:09,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:02:09,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116503830] [2024-11-21 16:02:09,977 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:02:09,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:02:10,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:02:10,209 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 16:02:10,209 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:02:10,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116503830] [2024-11-21 16:02:10,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116503830] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:02:10,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1625842334] [2024-11-21 16:02:10,211 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:02:10,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:02:10,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:02:10,239 INFO L256 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-21 16:02:10,243 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:02:10,403 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 16:02:10,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1625842334] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:02:10,404 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:02:10,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2024-11-21 16:02:10,404 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:02:10,404 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 79 [2024-11-21 16:02:10,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:02:10,485 INFO L85 PathProgramCache]: Analyzing trace with hash -2110092690, now seen corresponding path program 1 times [2024-11-21 16:02:10,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:02:10,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308970601] [2024-11-21 16:02:10,486 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:02:10,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:02:10,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:02:10,728 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 16:02:10,728 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:02:10,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308970601] [2024-11-21 16:02:10,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308970601] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:02:10,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1287819447] [2024-11-21 16:02:10,729 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:02:10,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:02:10,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:02:10,779 INFO L256 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-21 16:02:10,781 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:02:10,933 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 16:02:10,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1287819447] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:02:10,933 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:02:10,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2024-11-21 16:02:10,934 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:02:10,934 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 109 is hopeless, skipping. [2024-11-21 16:02:10,934 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 118 is hopeless, skipping. [2024-11-21 16:02:10,934 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 139 [2024-11-21 16:02:10,935 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:02:10,935 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 16:02:10,935 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:02:10,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:02:10,935 INFO L85 PathProgramCache]: Analyzing trace with hash 1935247601, now seen corresponding path program 2 times [2024-11-21 16:02:10,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:02:10,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146456265] [2024-11-21 16:02:10,935 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:02:10,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:02:10,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:02:11,260 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-21 16:02:11,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:02:11,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146456265] [2024-11-21 16:02:11,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2146456265] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:02:11,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [188734775] [2024-11-21 16:02:11,261 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 16:02:11,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:02:11,261 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:02:11,263 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 16:02:11,265 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-21 16:02:11,407 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-21 16:02:11,408 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 16:02:11,412 INFO L256 TraceCheckSpWp]: Trace formula consists of 651 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-21 16:02:11,414 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:02:11,525 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-21 16:02:11,526 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-21 16:02:11,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [188734775] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 16:02:11,526 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-21 16:02:11,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-11-21 16:02:11,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677861474] [2024-11-21 16:02:11,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 16:02:11,527 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-21 16:02:11,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:02:11,527 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-21 16:02:11,527 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-21 16:02:11,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:02:11,527 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:02:11,527 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 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 16:02:11,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:02:11,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:02:11,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:02:11,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:02:11,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:02:11,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:02:11,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:02:11,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:02:11,694 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-21 16:02:11,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable9,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-21 16:02:11,883 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-21 16:02:11,883 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:02:11,883 INFO L139 ounterexampleChecker]: Examining path program with hash 105351983, occurence #1 [2024-11-21 16:02:11,884 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 16:02:11,884 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:02:11,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:02:11,884 INFO L85 PathProgramCache]: Analyzing trace with hash -284760085, now seen corresponding path program 3 times [2024-11-21 16:02:11,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:02:11,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31486277] [2024-11-21 16:02:11,884 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:02:11,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:02:11,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:02:12,138 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-21 16:02:12,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:02:12,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31486277] [2024-11-21 16:02:12,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31486277] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:02:12,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [73873389] [2024-11-21 16:02:12,139 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-21 16:02:12,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:02:12,140 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:02:12,142 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 16:02:12,144 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-21 16:02:12,244 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-21 16:02:12,245 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 16:02:12,247 INFO L256 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-21 16:02:12,249 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:02:12,468 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-21 16:02:12,468 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-21 16:02:12,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [73873389] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 16:02:12,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-21 16:02:12,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [7] total 16 [2024-11-21 16:02:12,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538647770] [2024-11-21 16:02:12,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 16:02:12,469 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-21 16:02:12,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:02:12,469 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-21 16:02:12,470 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2024-11-21 16:02:12,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:02:12,470 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:02:12,470 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.9) internal successors, (69), 10 states have internal predecessors, (69), 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 16:02:12,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:02:12,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:02:12,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:02:12,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:02:12,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:02:13,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:02:13,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:02:13,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:02:13,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:02:13,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:02:13,291 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-21 16:02:13,480 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:02:13,480 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-21 16:02:13,481 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:02:13,481 INFO L139 ounterexampleChecker]: Examining path program with hash -597346636, occurence #1 [2024-11-21 16:02:13,481 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 16:02:13,481 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:02:13,481 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:02:13,481 INFO L85 PathProgramCache]: Analyzing trace with hash 2005807036, now seen corresponding path program 4 times [2024-11-21 16:02:13,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:02:13,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137749717] [2024-11-21 16:02:13,482 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:02:13,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:02:13,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:02:13,942 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2024-11-21 16:02:13,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:02:13,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137749717] [2024-11-21 16:02:13,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2137749717] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:02:13,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1251852259] [2024-11-21 16:02:13,942 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-21 16:02:13,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:02:13,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:02:13,946 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 16:02:13,948 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-21 16:02:14,105 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-21 16:02:14,106 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 16:02:14,112 INFO L256 TraceCheckSpWp]: Trace formula consists of 790 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-21 16:02:14,115 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:02:14,830 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 241 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-21 16:02:14,830 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:02:15,454 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 227 proven. 17 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-21 16:02:15,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1251852259] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:02:15,454 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:02:15,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 19, 19] total 42 [2024-11-21 16:02:15,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253435447] [2024-11-21 16:02:15,455 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:02:15,455 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-11-21 16:02:15,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:02:15,458 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-11-21 16:02:15,458 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=612, Invalid=1194, Unknown=0, NotChecked=0, Total=1806 [2024-11-21 16:02:15,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:02:15,458 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:02:15,459 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 9.093023255813954) internal successors, (391), 42 states have internal predecessors, (391), 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 16:02:15,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:02:15,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:02:15,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:02:15,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:02:15,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:02:15,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:02:15,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:02:15,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:02:15,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:02:15,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:02:15,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:02:15,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:02:15,631 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-21 16:02:15,815 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-21 16:02:15,815 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-21 16:02:15,815 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:02:15,815 INFO L139 ounterexampleChecker]: Examining path program with hash -597346636, occurence #2 [2024-11-21 16:02:15,815 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:02:15,815 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 16:02:15,815 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:02:15,815 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-11-21 16:02:15,815 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:02:15,815 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2024-11-21 16:02:15,816 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:02:15,816 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-11-21 16:02:15,816 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:02:15,816 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-11-21 16:02:15,816 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:02:15,816 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2024-11-21 16:02:15,816 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:02:15,816 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 64 [2024-11-21 16:02:15,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:02:15,880 INFO L85 PathProgramCache]: Analyzing trace with hash 605077373, now seen corresponding path program 1 times [2024-11-21 16:02:15,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:02:15,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802302245] [2024-11-21 16:02:15,881 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:02:15,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:02:15,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:02:16,010 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 8 proven. 21 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-21 16:02:16,010 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:02:16,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802302245] [2024-11-21 16:02:16,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1802302245] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:02:16,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1419893633] [2024-11-21 16:02:16,010 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:02:16,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:02:16,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:02:16,036 INFO L256 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-21 16:02:16,037 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:02:16,116 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 30 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-21 16:02:16,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1419893633] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:02:16,117 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:02:16,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2024-11-21 16:02:16,117 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:02:16,117 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 162 [2024-11-21 16:02:16,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:02:16,150 INFO L85 PathProgramCache]: Analyzing trace with hash 909905158, now seen corresponding path program 1 times [2024-11-21 16:02:16,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:02:16,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071920486] [2024-11-21 16:02:16,150 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:02:16,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:02:16,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:02:16,656 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 14 proven. 139 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-11-21 16:02:16,656 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:02:16,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071920486] [2024-11-21 16:02:16,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071920486] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:02:16,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [892421606] [2024-11-21 16:02:16,657 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:02:16,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:02:16,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:02:16,735 INFO L256 TraceCheckSpWp]: Trace formula consists of 697 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-21 16:02:16,737 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:02:17,239 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 132 proven. 21 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-11-21 16:02:17,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [892421606] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:02:17,239 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:02:17,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 27 [2024-11-21 16:02:17,240 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:02:17,240 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 177 is hopeless, skipping. [2024-11-21 16:02:17,240 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 178 [2024-11-21 16:02:17,240 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:02:17,240 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 181 [2024-11-21 16:02:17,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:02:17,262 INFO L85 PathProgramCache]: Analyzing trace with hash -1420283376, now seen corresponding path program 1 times [2024-11-21 16:02:17,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:02:17,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327409505] [2024-11-21 16:02:17,263 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:02:17,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:02:17,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:02:17,582 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 92 proven. 7 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2024-11-21 16:02:17,582 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:02:17,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327409505] [2024-11-21 16:02:17,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327409505] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:02:17,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1631703995] [2024-11-21 16:02:17,582 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:02:17,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:02:17,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:02:17,633 INFO L256 TraceCheckSpWp]: Trace formula consists of 763 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-21 16:02:17,635 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:02:17,700 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 98 proven. 1 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2024-11-21 16:02:17,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1631703995] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:02:17,700 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:02:17,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2024-11-21 16:02:17,700 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:02:17,700 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 188 [2024-11-21 16:02:17,700 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:02:17,701 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 192 [2024-11-21 16:02:17,701 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:02:17,701 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 194 [2024-11-21 16:02:17,701 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:02:17,701 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 16:02:17,701 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:02:17,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:02:17,701 INFO L85 PathProgramCache]: Analyzing trace with hash -937642756, now seen corresponding path program 5 times [2024-11-21 16:02:17,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:02:17,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882582698] [2024-11-21 16:02:17,701 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:02:17,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:02:17,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:02:18,269 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 13 proven. 36 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2024-11-21 16:02:18,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:02:18,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882582698] [2024-11-21 16:02:18,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882582698] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:02:18,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1066839354] [2024-11-21 16:02:18,270 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-21 16:02:18,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:02:18,271 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:02:18,272 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 16:02:18,273 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-21 16:02:18,620 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2024-11-21 16:02:18,620 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 16:02:18,624 INFO L256 TraceCheckSpWp]: Trace formula consists of 826 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-21 16:02:18,627 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:02:19,168 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 134 proven. 101 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-21 16:02:19,168 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:02:19,950 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 178 proven. 67 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-21 16:02:19,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1066839354] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:02:19,950 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:02:19,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 16, 18] total 47 [2024-11-21 16:02:19,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770143594] [2024-11-21 16:02:19,951 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:02:19,951 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-11-21 16:02:19,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:02:19,952 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-11-21 16:02:19,953 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=489, Invalid=1767, Unknown=0, NotChecked=0, Total=2256 [2024-11-21 16:02:19,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:02:19,953 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:02:19,953 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 6.979166666666667) internal successors, (335), 47 states have internal predecessors, (335), 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 16:02:19,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:02:19,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:02:19,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:02:19,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:02:19,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:02:19,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:02:19,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:02:20,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:02:20,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:02:20,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:02:20,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:02:20,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:02:20,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:02:20,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 16:02:20,331 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-21 16:02:20,520 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,SelfDestructingSolverStorable19,7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20,SelfDestructingSolverStorable21,SelfDestructingSolverStorable22,SelfDestructingSolverStorable23,SelfDestructingSolverStorable24 [2024-11-21 16:02:20,521 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-21 16:02:20,521 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:02:20,521 INFO L139 ounterexampleChecker]: Examining path program with hash -597346636, occurence #3 [2024-11-21 16:02:20,521 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:02:20,521 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 16:02:20,522 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:02:20,522 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-11-21 16:02:20,522 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:02:20,522 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-21 16:02:20,522 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:02:20,522 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-11-21 16:02:20,522 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:02:20,522 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-11-21 16:02:20,522 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:02:20,522 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2024-11-21 16:02:20,522 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:02:20,522 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 65 [2024-11-21 16:02:20,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:02:20,590 INFO L85 PathProgramCache]: Analyzing trace with hash 762334449, now seen corresponding path program 1 times [2024-11-21 16:02:20,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:02:20,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693099740] [2024-11-21 16:02:20,591 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:02:20,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:02:20,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:02:20,731 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 8 proven. 21 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-21 16:02:20,732 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:02:20,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693099740] [2024-11-21 16:02:20,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693099740] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:02:20,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [631969407] [2024-11-21 16:02:20,732 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:02:20,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:02:20,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:02:20,752 INFO L256 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-21 16:02:20,754 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:02:20,818 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 30 proven. 1 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-21 16:02:20,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [631969407] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:02:20,819 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:02:20,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2024-11-21 16:02:20,819 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:02:20,819 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 163 [2024-11-21 16:02:20,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:02:20,847 INFO L85 PathProgramCache]: Analyzing trace with hash 409315258, now seen corresponding path program 1 times [2024-11-21 16:02:20,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:02:20,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488317749] [2024-11-21 16:02:20,848 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:02:20,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:02:20,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:02:21,075 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 92 proven. 7 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2024-11-21 16:02:21,075 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:02:21,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488317749] [2024-11-21 16:02:21,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [488317749] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:02:21,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [280959214] [2024-11-21 16:02:21,076 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:02:21,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:02:21,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:02:21,121 INFO L256 TraceCheckSpWp]: Trace formula consists of 706 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-21 16:02:21,126 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:02:21,204 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 98 proven. 1 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2024-11-21 16:02:21,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [280959214] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:02:21,204 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:02:21,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2024-11-21 16:02:21,205 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:02:21,205 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 178 is hopeless, skipping. [2024-11-21 16:02:21,205 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 179 [2024-11-21 16:02:21,205 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:02:21,205 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 182 [2024-11-21 16:02:21,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:02:21,222 INFO L85 PathProgramCache]: Analyzing trace with hash -224491122, now seen corresponding path program 1 times [2024-11-21 16:02:21,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:02:21,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260894673] [2024-11-21 16:02:21,223 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:02:21,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:02:21,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:02:21,447 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 92 proven. 7 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2024-11-21 16:02:21,447 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:02:21,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260894673] [2024-11-21 16:02:21,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260894673] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:02:21,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1828363624] [2024-11-21 16:02:21,447 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:02:21,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:02:21,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:02:21,523 INFO L256 TraceCheckSpWp]: Trace formula consists of 772 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-21 16:02:21,525 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:02:21,595 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 98 proven. 1 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2024-11-21 16:02:21,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1828363624] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:02:21,595 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:02:21,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2024-11-21 16:02:21,595 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:02:21,595 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 189 [2024-11-21 16:02:21,596 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:02:21,596 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 193 [2024-11-21 16:02:21,596 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:02:21,596 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 195 [2024-11-21 16:02:21,596 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:02:21,596 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 16:02:21,596 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:02:21,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:02:21,596 INFO L85 PathProgramCache]: Analyzing trace with hash -268830415, now seen corresponding path program 6 times [2024-11-21 16:02:21,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:02:21,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600554697] [2024-11-21 16:02:21,596 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:02:21,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:02:21,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:02:22,161 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 13 proven. 105 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-11-21 16:02:22,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:02:22,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600554697] [2024-11-21 16:02:22,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [600554697] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:02:22,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1292212778] [2024-11-21 16:02:22,162 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-21 16:02:22,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:02:22,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:02:22,167 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 16:02:22,168 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-21 16:02:22,309 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2024-11-21 16:02:22,309 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 16:02:22,311 INFO L256 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-21 16:02:22,315 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:02:22,474 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 67 proven. 1 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2024-11-21 16:02:22,474 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:02:22,641 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 30 proven. 38 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2024-11-21 16:02:22,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1292212778] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:02:22,641 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:02:22,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 6, 6] total 25 [2024-11-21 16:02:22,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037292208] [2024-11-21 16:02:22,641 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:02:22,642 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-21 16:02:22,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:02:22,642 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-21 16:02:22,643 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=503, Unknown=0, NotChecked=0, Total=600 [2024-11-21 16:02:22,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:02:22,643 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:02:22,643 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 6.88) internal successors, (172), 25 states have internal predecessors, (172), 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 16:02:22,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:02:22,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:02:22,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:02:22,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:02:22,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:02:22,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:02:22,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 16:02:22,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:02:22,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:02:22,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:02:22,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:02:22,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:02:22,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:02:22,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:02:22,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 16:02:22,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:02:22,870 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-21 16:02:23,058 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,SelfDestructingSolverStorable30,SelfDestructingSolverStorable31,SelfDestructingSolverStorable25,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26,SelfDestructingSolverStorable27,SelfDestructingSolverStorable28 [2024-11-21 16:02:23,058 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-21 16:02:23,058 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:02:23,058 INFO L139 ounterexampleChecker]: Examining path program with hash -597346636, occurence #4 [2024-11-21 16:02:23,058 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:02:23,058 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 16:02:23,058 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:02:23,058 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-11-21 16:02:23,058 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:02:23,059 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-21 16:02:23,060 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:02:23,060 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2024-11-21 16:02:23,060 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:02:23,060 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-11-21 16:02:23,060 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:02:23,060 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2024-11-21 16:02:23,060 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:02:23,060 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 67 [2024-11-21 16:02:23,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:02:23,118 INFO L85 PathProgramCache]: Analyzing trace with hash -2110121466, now seen corresponding path program 1 times [2024-11-21 16:02:23,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:02:23,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959976899] [2024-11-21 16:02:23,118 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:02:23,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:02:23,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:02:23,250 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 22 proven. 15 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-21 16:02:23,250 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:02:23,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959976899] [2024-11-21 16:02:23,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959976899] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:02:23,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1987910518] [2024-11-21 16:02:23,250 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:02:23,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:02:23,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:02:23,280 INFO L256 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-21 16:02:23,282 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:02:23,440 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 34 proven. 3 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-21 16:02:23,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1987910518] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:02:23,440 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:02:23,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2024-11-21 16:02:23,441 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:02:23,441 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 165 [2024-11-21 16:02:23,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:02:23,477 INFO L85 PathProgramCache]: Analyzing trace with hash -1035021873, now seen corresponding path program 1 times [2024-11-21 16:02:23,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:02:23,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025559426] [2024-11-21 16:02:23,477 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:02:23,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:02:23,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:02:23,779 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2024-11-21 16:02:23,779 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:02:23,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025559426] [2024-11-21 16:02:23,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025559426] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:02:23,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [607837826] [2024-11-21 16:02:23,779 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:02:23,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:02:23,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:02:23,821 INFO L256 TraceCheckSpWp]: Trace formula consists of 724 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-21 16:02:23,823 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:02:24,015 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 72 proven. 3 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2024-11-21 16:02:24,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [607837826] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:02:24,016 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:02:24,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2024-11-21 16:02:24,016 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:02:24,016 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 180 is hopeless, skipping. [2024-11-21 16:02:24,016 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 181 [2024-11-21 16:02:24,016 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:02:24,016 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 184 [2024-11-21 16:02:24,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:02:24,032 INFO L85 PathProgramCache]: Analyzing trace with hash 785853451, now seen corresponding path program 1 times [2024-11-21 16:02:24,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:02:24,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801260724] [2024-11-21 16:02:24,032 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:02:24,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:02:24,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:02:24,330 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 3 proven. 75 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-11-21 16:02:24,330 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:02:24,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801260724] [2024-11-21 16:02:24,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801260724] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:02:24,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1998071975] [2024-11-21 16:02:24,331 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:02:24,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:02:24,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:02:24,377 INFO L256 TraceCheckSpWp]: Trace formula consists of 790 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-21 16:02:24,379 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:02:24,585 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 75 proven. 3 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-11-21 16:02:24,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1998071975] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:02:24,585 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:02:24,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2024-11-21 16:02:24,586 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:02:24,586 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 191 [2024-11-21 16:02:24,586 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:02:24,586 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 195 [2024-11-21 16:02:24,586 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:02:24,586 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 197 [2024-11-21 16:02:24,586 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:02:24,586 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 16:02:24,586 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:02:24,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:02:24,586 INFO L85 PathProgramCache]: Analyzing trace with hash -1857919323, now seen corresponding path program 7 times [2024-11-21 16:02:24,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:02:24,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845016380] [2024-11-21 16:02:24,586 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:02:24,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:02:24,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:02:25,209 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 16 proven. 122 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2024-11-21 16:02:25,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:02:25,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845016380] [2024-11-21 16:02:25,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845016380] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:02:25,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1872830010] [2024-11-21 16:02:25,209 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-21 16:02:25,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:02:25,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:02:25,211 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 16:02:25,212 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-21 16:02:25,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:02:25,389 INFO L256 TraceCheckSpWp]: Trace formula consists of 853 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-21 16:02:25,391 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:02:25,559 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 150 proven. 3 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-11-21 16:02:25,559 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:02:25,724 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 124 proven. 29 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-11-21 16:02:25,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1872830010] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:02:25,725 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:02:25,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 8, 8] total 31 [2024-11-21 16:02:25,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585259614] [2024-11-21 16:02:25,725 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:02:25,726 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-11-21 16:02:25,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:02:25,726 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-11-21 16:02:25,727 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=792, Unknown=0, NotChecked=0, Total=930 [2024-11-21 16:02:25,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:02:25,727 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:02:25,727 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 7.193548387096774) internal successors, (223), 31 states have internal predecessors, (223), 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 16:02:25,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:02:25,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:02:25,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:02:25,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:02:25,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:02:25,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:02:25,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 16:02:25,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:02:25,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:02:25,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:02:25,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:02:25,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:02:25,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:02:25,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:02:25,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:02:25,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 16:02:25,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:02:25,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:02:25,958 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-21 16:02:26,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,SelfDestructingSolverStorable33,SelfDestructingSolverStorable34,SelfDestructingSolverStorable35,SelfDestructingSolverStorable36,SelfDestructingSolverStorable37,SelfDestructingSolverStorable38,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:02:26,131 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-21 16:02:26,131 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:02:26,132 INFO L139 ounterexampleChecker]: Examining path program with hash -597346636, occurence #5 [2024-11-21 16:02:26,132 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:02:26,132 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 16:02:26,132 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:02:26,132 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2024-11-21 16:02:26,132 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:02:26,132 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-11-21 16:02:26,132 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:02:26,132 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-11-21 16:02:26,132 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:02:26,132 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2024-11-21 16:02:26,132 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:02:26,133 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2024-11-21 16:02:26,133 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:02:26,133 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 69 [2024-11-21 16:02:26,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:02:26,185 INFO L85 PathProgramCache]: Analyzing trace with hash -1582501949, now seen corresponding path program 1 times [2024-11-21 16:02:26,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:02:26,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126565493] [2024-11-21 16:02:26,185 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:02:26,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:02:26,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 16:02:26,423 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-21 16:02:26,423 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-21 16:02:26,423 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 167 [2024-11-21 16:02:26,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:02:26,450 INFO L85 PathProgramCache]: Analyzing trace with hash -2137810292, now seen corresponding path program 1 times [2024-11-21 16:02:26,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:02:26,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475839549] [2024-11-21 16:02:26,450 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:02:26,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:02:26,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:02:27,149 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 110 proven. 149 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-21 16:02:27,149 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:02:27,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475839549] [2024-11-21 16:02:27,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475839549] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:02:27,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1638110482] [2024-11-21 16:02:27,149 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:02:27,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:02:27,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:02:27,221 INFO L256 TraceCheckSpWp]: Trace formula consists of 742 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-21 16:02:27,224 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:02:27,998 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 214 proven. 45 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-21 16:02:27,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1638110482] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:02:27,998 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:02:27,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 39 [2024-11-21 16:02:27,998 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:02:27,998 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 182 is hopeless, skipping. [2024-11-21 16:02:27,998 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 183 [2024-11-21 16:02:27,998 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:02:27,999 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 186 [2024-11-21 16:02:28,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:02:28,021 INFO L85 PathProgramCache]: Analyzing trace with hash -279437600, now seen corresponding path program 1 times [2024-11-21 16:02:28,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:02:28,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709565747] [2024-11-21 16:02:28,021 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:02:28,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:02:28,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:02:28,712 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 32 proven. 172 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-11-21 16:02:28,713 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:02:28,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709565747] [2024-11-21 16:02:28,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1709565747] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:02:28,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [449683340] [2024-11-21 16:02:28,713 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:02:28,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:02:28,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:02:28,769 INFO L256 TraceCheckSpWp]: Trace formula consists of 808 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-21 16:02:28,771 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:02:29,430 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 158 proven. 46 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-11-21 16:02:29,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [449683340] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:02:29,430 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:02:29,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 40 [2024-11-21 16:02:29,431 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:02:29,431 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 193 [2024-11-21 16:02:29,431 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:02:29,431 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 197 [2024-11-21 16:02:29,431 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:02:29,431 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 199 [2024-11-21 16:02:29,431 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:02:29,431 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 16:02:29,431 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:02:29,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:02:29,431 INFO L85 PathProgramCache]: Analyzing trace with hash 636534385, now seen corresponding path program 8 times [2024-11-21 16:02:29,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:02:29,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498234888] [2024-11-21 16:02:29,431 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:02:29,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:02:29,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:02:30,277 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 27 proven. 167 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-11-21 16:02:30,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:02:30,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498234888] [2024-11-21 16:02:30,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498234888] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:02:30,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1566292331] [2024-11-21 16:02:30,278 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 16:02:30,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:02:30,278 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:02:30,283 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 16:02:30,288 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-21 16:02:30,478 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-21 16:02:30,478 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 16:02:30,481 INFO L256 TraceCheckSpWp]: Trace formula consists of 871 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-21 16:02:30,484 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:02:30,715 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 164 proven. 6 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2024-11-21 16:02:30,715 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:02:30,947 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 144 proven. 26 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2024-11-21 16:02:30,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1566292331] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:02:30,947 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:02:30,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 10, 10] total 37 [2024-11-21 16:02:30,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707747221] [2024-11-21 16:02:30,947 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:02:30,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-11-21 16:02:30,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:02:30,948 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-11-21 16:02:30,949 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=189, Invalid=1143, Unknown=0, NotChecked=0, Total=1332 [2024-11-21 16:02:30,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:02:30,949 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:02:30,949 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 7.135135135135135) internal successors, (264), 37 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 16:02:30,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:02:30,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:02:30,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:02:30,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:02:30,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:02:30,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:02:30,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 16:02:30,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:02:30,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:02:30,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:02:31,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:02:31,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:02:31,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:02:31,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:02:31,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:02:31,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:02:31,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 16:02:31,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:02:31,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:02:31,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:02:31,206 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-21 16:02:31,394 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,SelfDestructingSolverStorable41,SelfDestructingSolverStorable42,SelfDestructingSolverStorable43,SelfDestructingSolverStorable44,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-11-21 16:02:31,395 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-21 16:02:31,395 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:02:31,395 INFO L139 ounterexampleChecker]: Examining path program with hash -597346636, occurence #6 [2024-11-21 16:02:31,395 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:02:31,395 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 16:02:31,395 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:02:31,395 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-21 16:02:31,395 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:02:31,395 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2024-11-21 16:02:31,395 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:02:31,395 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-11-21 16:02:31,395 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:02:31,395 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2024-11-21 16:02:31,395 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:02:31,395 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2024-11-21 16:02:31,395 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:02:31,395 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2024-11-21 16:02:31,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:02:31,449 INFO L85 PathProgramCache]: Analyzing trace with hash -1763933736, now seen corresponding path program 1 times [2024-11-21 16:02:31,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:02:31,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86816556] [2024-11-21 16:02:31,449 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:02:31,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:02:31,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 16:02:31,787 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-21 16:02:31,790 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-21 16:02:31,791 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 169 [2024-11-21 16:02:31,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:02:31,828 INFO L85 PathProgramCache]: Analyzing trace with hash 378096033, now seen corresponding path program 1 times [2024-11-21 16:02:31,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:02:31,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928309424] [2024-11-21 16:02:31,828 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:02:31,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:02:31,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:02:32,504 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 172 proven. 107 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-21 16:02:32,505 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:02:32,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928309424] [2024-11-21 16:02:32,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928309424] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:02:32,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1585918592] [2024-11-21 16:02:32,505 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:02:32,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:02:32,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:02:32,561 INFO L256 TraceCheckSpWp]: Trace formula consists of 760 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-21 16:02:32,563 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:02:33,370 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 224 proven. 55 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-21 16:02:33,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1585918592] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:02:33,370 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:02:33,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 43 [2024-11-21 16:02:33,371 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:02:33,371 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 184 is hopeless, skipping. [2024-11-21 16:02:33,371 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 185 [2024-11-21 16:02:33,371 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:02:33,371 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 188 [2024-11-21 16:02:33,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:02:33,393 INFO L85 PathProgramCache]: Analyzing trace with hash -530310051, now seen corresponding path program 1 times [2024-11-21 16:02:33,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:02:33,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664287217] [2024-11-21 16:02:33,393 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:02:33,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:02:33,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:02:34,428 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 67 proven. 185 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-21 16:02:34,428 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:02:34,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664287217] [2024-11-21 16:02:34,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664287217] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:02:34,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [710129719] [2024-11-21 16:02:34,428 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:02:34,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:02:34,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:02:34,480 INFO L256 TraceCheckSpWp]: Trace formula consists of 826 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-21 16:02:34,482 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:02:35,259 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 196 proven. 56 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-21 16:02:35,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [710129719] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:02:35,259 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:02:35,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 44 [2024-11-21 16:02:35,259 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:02:35,259 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 195 [2024-11-21 16:02:35,260 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:02:35,260 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 199 [2024-11-21 16:02:35,260 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:02:35,260 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 201 [2024-11-21 16:02:35,260 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:02:35,260 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 16:02:35,260 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:02:35,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:02:35,260 INFO L85 PathProgramCache]: Analyzing trace with hash -1643395355, now seen corresponding path program 9 times [2024-11-21 16:02:35,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:02:35,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763576581] [2024-11-21 16:02:35,260 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:02:35,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:02:35,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:02:35,941 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 27 proven. 178 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2024-11-21 16:02:35,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:02:35,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763576581] [2024-11-21 16:02:35,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763576581] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:02:35,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [558975275] [2024-11-21 16:02:35,943 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-21 16:02:35,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:02:35,943 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:02:35,945 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 16:02:35,946 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-21 16:02:36,218 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-21 16:02:36,218 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 16:02:36,220 INFO L256 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-21 16:02:36,222 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:02:36,443 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2024-11-21 16:02:36,443 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-21 16:02:36,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [558975275] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 16:02:36,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-21 16:02:36,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [23] total 30 [2024-11-21 16:02:36,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436707344] [2024-11-21 16:02:36,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 16:02:36,444 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-21 16:02:36,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:02:36,445 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-21 16:02:36,445 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=725, Unknown=0, NotChecked=0, Total=870 [2024-11-21 16:02:36,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:02:36,445 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:02:36,446 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 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 16:02:36,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:02:36,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:02:36,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:02:36,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:02:36,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:02:36,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:02:36,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 16:02:36,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:02:36,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:02:36,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:02:36,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:02:36,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:02:36,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:02:36,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:02:36,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:02:36,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:02:36,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:02:36,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 16:02:36,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:02:36,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:02:36,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:02:36,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 16:02:36,988 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-21 16:02:37,161 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,11 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45,SelfDestructingSolverStorable46,SelfDestructingSolverStorable47,SelfDestructingSolverStorable48,SelfDestructingSolverStorable49 [2024-11-21 16:02:37,161 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-21 16:02:37,165 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:02:37,165 INFO L139 ounterexampleChecker]: Examining path program with hash 324260252, occurence #1 [2024-11-21 16:02:37,165 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 16:02:37,165 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:02:37,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:02:37,166 INFO L85 PathProgramCache]: Analyzing trace with hash 1837066964, now seen corresponding path program 10 times [2024-11-21 16:02:37,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:02:37,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566626125] [2024-11-21 16:02:37,166 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:02:37,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:02:37,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:02:37,698 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 38 proven. 115 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-21 16:02:37,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:02:37,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566626125] [2024-11-21 16:02:37,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566626125] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:02:37,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1590000633] [2024-11-21 16:02:37,698 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-21 16:02:37,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:02:37,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:02:37,704 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 16:02:37,705 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-21 16:02:37,950 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-21 16:02:37,950 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 16:02:37,953 INFO L256 TraceCheckSpWp]: Trace formula consists of 834 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-21 16:02:37,955 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:02:38,851 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 231 proven. 55 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-21 16:02:38,851 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:02:39,716 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 217 proven. 69 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-21 16:02:39,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1590000633] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:02:39,717 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:02:39,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 25, 25] total 61 [2024-11-21 16:02:39,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728584959] [2024-11-21 16:02:39,717 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:02:39,718 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2024-11-21 16:02:39,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:02:39,720 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2024-11-21 16:02:39,722 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=729, Invalid=2931, Unknown=0, NotChecked=0, Total=3660 [2024-11-21 16:02:39,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:02:39,722 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:02:39,722 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 61 states have (on average 7.327868852459017) internal successors, (447), 61 states have internal predecessors, (447), 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 16:02:39,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:02:39,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:02:39,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:02:39,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:02:39,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:02:39,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:02:39,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 16:02:39,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:02:39,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:02:39,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:02:39,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 16:02:39,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:02:39,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:02:39,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:02:39,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:02:39,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:02:39,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:02:39,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:02:39,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 16:02:39,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:02:39,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:02:39,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:02:39,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 16:02:39,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-21 16:02:40,003 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-21 16:02:40,188 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,SelfDestructingSolverStorable51 [2024-11-21 16:02:40,189 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-21 16:02:40,189 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:02:40,189 INFO L139 ounterexampleChecker]: Examining path program with hash 324260252, occurence #2 [2024-11-21 16:02:40,189 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:02:40,189 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 16:02:40,189 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:02:40,189 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-11-21 16:02:40,189 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:02:40,189 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-11-21 16:02:40,190 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:02:40,190 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2024-11-21 16:02:40,190 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:02:40,190 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2024-11-21 16:02:40,190 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:02:40,190 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-21 16:02:40,190 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:02:40,190 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-11-21 16:02:40,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:02:40,242 INFO L85 PathProgramCache]: Analyzing trace with hash -353701555, now seen corresponding path program 1 times [2024-11-21 16:02:40,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:02:40,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150761085] [2024-11-21 16:02:40,243 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:02:40,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:02:40,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 16:02:40,417 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-21 16:02:40,417 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-21 16:02:40,417 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 174 [2024-11-21 16:02:40,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:02:40,434 INFO L85 PathProgramCache]: Analyzing trace with hash -471105962, now seen corresponding path program 1 times [2024-11-21 16:02:40,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:02:40,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038364520] [2024-11-21 16:02:40,434 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:02:40,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:02:40,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:02:40,931 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 38 proven. 120 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-11-21 16:02:40,932 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:02:40,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038364520] [2024-11-21 16:02:40,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038364520] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:02:40,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1771802647] [2024-11-21 16:02:40,932 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:02:40,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:02:40,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:02:40,981 INFO L256 TraceCheckSpWp]: Trace formula consists of 807 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-21 16:02:40,983 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:02:41,333 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 137 proven. 21 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-11-21 16:02:41,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1771802647] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:02:41,333 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:02:41,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 25 [2024-11-21 16:02:41,333 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:02:41,334 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 181 [2024-11-21 16:02:41,334 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:02:41,334 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 185 [2024-11-21 16:02:41,334 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:02:41,334 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 187 [2024-11-21 16:02:41,334 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:02:41,334 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 16:02:41,334 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:02:41,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:02:41,334 INFO L85 PathProgramCache]: Analyzing trace with hash -308377600, now seen corresponding path program 11 times [2024-11-21 16:02:41,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:02:41,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902992669] [2024-11-21 16:02:41,335 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:02:41,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:02:41,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:02:41,959 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 38 proven. 120 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-21 16:02:41,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:02:41,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902992669] [2024-11-21 16:02:41,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902992669] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:02:41,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [101930574] [2024-11-21 16:02:41,959 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-21 16:02:41,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:02:41,959 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:02:41,962 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 16:02:41,963 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-21 16:02:43,266 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2024-11-21 16:02:43,266 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 16:02:43,273 INFO L256 TraceCheckSpWp]: Trace formula consists of 870 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-21 16:02:43,275 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:02:43,800 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 170 proven. 69 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-11-21 16:02:43,801 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:02:44,378 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 203 proven. 36 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-11-21 16:02:44,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [101930574] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:02:44,378 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:02:44,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 18, 18] total 47 [2024-11-21 16:02:44,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272234958] [2024-11-21 16:02:44,378 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:02:44,379 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2024-11-21 16:02:44,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:02:44,380 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2024-11-21 16:02:44,380 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=589, Invalid=1573, Unknown=0, NotChecked=0, Total=2162 [2024-11-21 16:02:44,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:02:44,380 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:02:44,381 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 8.0) internal successors, (376), 47 states have internal predecessors, (376), 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 16:02:44,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:02:44,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:02:44,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:02:44,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:02:44,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:02:44,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:02:44,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 16:02:44,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:02:44,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:02:44,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:02:44,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 16:02:44,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-21 16:02:44,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:02:44,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:02:44,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:02:44,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:02:44,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:02:44,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:02:44,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:02:44,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 16:02:44,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:02:44,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:02:44,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:02:44,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 16:02:44,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-21 16:02:44,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-21 16:02:44,867 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-21 16:02:45,049 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,SelfDestructingSolverStorable53,SelfDestructingSolverStorable54,SelfDestructingSolverStorable55,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:02:45,049 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-21 16:02:45,049 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:02:45,050 INFO L139 ounterexampleChecker]: Examining path program with hash 324260252, occurence #3 [2024-11-21 16:02:45,050 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:02:45,050 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 16:02:45,050 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:02:45,050 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-11-21 16:02:45,050 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:02:45,050 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2024-11-21 16:02:45,050 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:02:45,050 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2024-11-21 16:02:45,050 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:02:45,051 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-21 16:02:45,051 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:02:45,051 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-21 16:02:45,051 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:02:45,051 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 79 [2024-11-21 16:02:45,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:02:45,123 INFO L85 PathProgramCache]: Analyzing trace with hash 611643803, now seen corresponding path program 1 times [2024-11-21 16:02:45,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:02:45,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220145107] [2024-11-21 16:02:45,123 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:02:45,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:02:45,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 16:02:45,328 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-21 16:02:45,329 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-21 16:02:45,329 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 178 [2024-11-21 16:02:45,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:02:45,345 INFO L85 PathProgramCache]: Analyzing trace with hash -514746844, now seen corresponding path program 1 times [2024-11-21 16:02:45,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:02:45,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258867510] [2024-11-21 16:02:45,345 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:02:45,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:02:45,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:02:46,002 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 89 proven. 180 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-11-21 16:02:46,002 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:02:46,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258867510] [2024-11-21 16:02:46,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258867510] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:02:46,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1306716211] [2024-11-21 16:02:46,003 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:02:46,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:02:46,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:02:46,064 INFO L256 TraceCheckSpWp]: Trace formula consists of 843 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-21 16:02:46,066 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:02:46,633 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 150 proven. 119 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-11-21 16:02:46,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1306716211] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:02:46,634 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:02:46,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 41 [2024-11-21 16:02:46,634 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:02:46,634 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 185 [2024-11-21 16:02:46,634 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:02:46,634 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 189 [2024-11-21 16:02:46,634 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:02:46,634 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 191 [2024-11-21 16:02:46,634 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:02:46,634 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 16:02:46,634 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:02:46,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:02:46,635 INFO L85 PathProgramCache]: Analyzing trace with hash 739651520, now seen corresponding path program 12 times [2024-11-21 16:02:46,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:02:46,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367567551] [2024-11-21 16:02:46,635 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:02:46,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:02:46,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:02:47,381 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 89 proven. 180 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-11-21 16:02:47,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:02:47,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367567551] [2024-11-21 16:02:47,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367567551] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:02:47,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [900990236] [2024-11-21 16:02:47,382 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-21 16:02:47,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:02:47,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:02:47,386 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 16:02:47,388 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-21 16:02:47,635 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2024-11-21 16:02:47,635 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 16:02:47,638 INFO L256 TraceCheckSpWp]: Trace formula consists of 568 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-21 16:02:47,640 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:02:47,744 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2024-11-21 16:02:47,744 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-21 16:02:47,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [900990236] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 16:02:47,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-21 16:02:47,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [22] total 27 [2024-11-21 16:02:47,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585173286] [2024-11-21 16:02:47,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 16:02:47,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-21 16:02:47,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:02:47,745 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-21 16:02:47,745 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=587, Unknown=0, NotChecked=0, Total=702 [2024-11-21 16:02:47,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:02:47,745 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:02:47,745 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 16:02:47,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:02:47,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:02:47,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:02:47,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:02:47,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:02:47,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:02:47,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 16:02:47,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:02:47,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:02:47,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:02:47,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 16:02:47,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-21 16:02:47,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-21 16:02:47,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:02:48,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:02:48,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:02:48,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:02:48,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:02:48,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:02:48,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:02:48,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 16:02:48,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:02:48,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:02:48,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:02:48,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 16:02:48,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-21 16:02:48,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-21 16:02:48,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:02:48,078 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-21 16:02:48,263 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56,SelfDestructingSolverStorable57,SelfDestructingSolverStorable58,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable59 [2024-11-21 16:02:48,263 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-21 16:02:48,263 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:02:48,263 INFO L139 ounterexampleChecker]: Examining path program with hash -802503432, occurence #1 [2024-11-21 16:02:48,263 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 16:02:48,263 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:02:48,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:02:48,264 INFO L85 PathProgramCache]: Analyzing trace with hash 1983200158, now seen corresponding path program 13 times [2024-11-21 16:02:48,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:02:48,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6073194] [2024-11-21 16:02:48,264 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:02:48,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:02:48,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:02:48,940 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 89 proven. 180 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2024-11-21 16:02:48,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:02:48,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6073194] [2024-11-21 16:02:48,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6073194] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:02:48,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1274553620] [2024-11-21 16:02:48,941 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-21 16:02:48,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:02:48,941 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:02:48,943 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 16:02:48,944 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-21 16:02:49,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:02:49,173 INFO L256 TraceCheckSpWp]: Trace formula consists of 911 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-21 16:02:49,179 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:02:49,761 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 224 proven. 45 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2024-11-21 16:02:49,761 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:02:50,378 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 156 proven. 113 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2024-11-21 16:02:50,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1274553620] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:02:50,379 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:02:50,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22, 22] total 60 [2024-11-21 16:02:50,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627608275] [2024-11-21 16:02:50,379 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:02:50,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2024-11-21 16:02:50,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:02:50,381 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2024-11-21 16:02:50,382 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=700, Invalid=2840, Unknown=0, NotChecked=0, Total=3540 [2024-11-21 16:02:50,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:02:50,383 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:02:50,383 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 60 states have (on average 6.95) internal successors, (417), 60 states have internal predecessors, (417), 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 16:02:50,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:02:50,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:02:50,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:02:50,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:02:50,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:02:50,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:02:50,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 16:02:50,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:02:50,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:02:50,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:02:50,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 16:02:50,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-21 16:02:50,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-21 16:02:50,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:02:50,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:02:50,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:02:50,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:02:50,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:02:50,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:02:50,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:02:50,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:02:50,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 16:02:50,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:02:50,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:02:50,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:02:50,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 16:02:50,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-21 16:02:50,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-21 16:02:50,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:02:50,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:02:50,560 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-21 16:02:50,743 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,SelfDestructingSolverStorable60 [2024-11-21 16:02:50,743 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-21 16:02:50,743 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:02:50,743 INFO L139 ounterexampleChecker]: Examining path program with hash -802503432, occurence #2 [2024-11-21 16:02:50,743 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:02:50,743 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 16:02:50,743 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:02:50,744 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-11-21 16:02:50,744 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:02:50,744 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2024-11-21 16:02:50,744 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:02:50,744 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2024-11-21 16:02:50,744 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:02:50,744 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-21 16:02:50,744 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:02:50,744 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2024-11-21 16:02:50,744 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:02:50,744 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 80 [2024-11-21 16:02:50,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:02:50,821 INFO L85 PathProgramCache]: Analyzing trace with hash 1008214862, now seen corresponding path program 1 times [2024-11-21 16:02:50,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:02:50,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219392007] [2024-11-21 16:02:50,821 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:02:50,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:02:51,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 16:02:51,064 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-21 16:02:51,065 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-21 16:02:51,065 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 179 [2024-11-21 16:02:51,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:02:51,093 INFO L85 PathProgramCache]: Analyzing trace with hash -400178955, now seen corresponding path program 1 times [2024-11-21 16:02:51,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:02:51,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603650111] [2024-11-21 16:02:51,093 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:02:51,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:02:51,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:02:51,865 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 0 proven. 146 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2024-11-21 16:02:51,865 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:02:51,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603650111] [2024-11-21 16:02:51,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603650111] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:02:51,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1495772733] [2024-11-21 16:02:51,866 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:02:51,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:02:51,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:02:51,940 INFO L256 TraceCheckSpWp]: Trace formula consists of 852 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-21 16:02:51,942 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:02:52,489 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 0 proven. 224 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2024-11-21 16:02:52,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1495772733] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:02:52,489 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:02:52,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 22] total 31 [2024-11-21 16:02:52,489 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:02:52,489 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 184 [2024-11-21 16:02:52,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:02:52,518 INFO L85 PathProgramCache]: Analyzing trace with hash 1083244508, now seen corresponding path program 1 times [2024-11-21 16:02:52,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:02:52,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145781914] [2024-11-21 16:02:52,518 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:02:52,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:02:52,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:02:52,979 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 119 proven. 13 refuted. 0 times theorem prover too weak. 241 trivial. 0 not checked. [2024-11-21 16:02:52,979 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:02:52,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145781914] [2024-11-21 16:02:52,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2145781914] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:02:52,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1450021871] [2024-11-21 16:02:52,980 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:02:52,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:02:53,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:02:53,047 INFO L256 TraceCheckSpWp]: Trace formula consists of 867 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-21 16:02:53,049 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:02:53,599 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 2 proven. 224 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2024-11-21 16:02:53,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1450021871] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:02:53,599 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:02:53,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 25] total 32 [2024-11-21 16:02:53,599 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:02:53,599 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 186 [2024-11-21 16:02:53,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:02:53,615 INFO L85 PathProgramCache]: Analyzing trace with hash 1615665489, now seen corresponding path program 1 times [2024-11-21 16:02:53,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:02:53,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138594216] [2024-11-21 16:02:53,615 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:02:53,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:02:53,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:02:54,311 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 2 proven. 154 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2024-11-21 16:02:54,311 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:02:54,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138594216] [2024-11-21 16:02:54,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138594216] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:02:54,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [333663367] [2024-11-21 16:02:54,312 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:02:54,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:02:54,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:02:54,370 INFO L256 TraceCheckSpWp]: Trace formula consists of 875 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-21 16:02:54,372 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:02:54,978 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 2 proven. 224 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2024-11-21 16:02:54,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [333663367] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:02:54,978 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:02:54,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 24] total 35 [2024-11-21 16:02:54,978 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:02:54,978 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 191 [2024-11-21 16:02:54,979 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:02:54,979 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 16:02:54,979 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:02:54,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:02:54,979 INFO L85 PathProgramCache]: Analyzing trace with hash 164759231, now seen corresponding path program 14 times [2024-11-21 16:02:54,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:02:54,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463359139] [2024-11-21 16:02:54,979 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:02:54,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:02:55,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:02:55,347 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 120 proven. 12 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2024-11-21 16:02:55,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:02:55,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463359139] [2024-11-21 16:02:55,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [463359139] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:02:55,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1274485714] [2024-11-21 16:02:55,348 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 16:02:55,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:02:55,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:02:55,350 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 16:02:55,351 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-21 16:02:55,607 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-21 16:02:55,608 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 16:02:55,610 INFO L256 TraceCheckSpWp]: Trace formula consists of 920 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-21 16:02:55,612 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:02:55,789 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 80 proven. 69 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2024-11-21 16:02:55,789 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:02:56,057 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 70 proven. 79 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2024-11-21 16:02:56,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1274485714] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:02:56,057 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:02:56,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 9] total 15 [2024-11-21 16:02:56,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136666396] [2024-11-21 16:02:56,058 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:02:56,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-21 16:02:56,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:02:56,058 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-21 16:02:56,058 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2024-11-21 16:02:56,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:02:56,059 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:02:56,059 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 13.933333333333334) internal successors, (209), 15 states have internal predecessors, (209), 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 16:02:56,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:02:56,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:02:56,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:02:56,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:02:56,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:02:56,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:02:56,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 16:02:56,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:02:56,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:02:56,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:02:56,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 16:02:56,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-21 16:02:56,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-21 16:02:56,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:02:56,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:02:56,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:02:57,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:02:57,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:02:57,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:02:57,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:02:57,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:02:57,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:02:57,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 16:02:57,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:02:57,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:02:57,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:02:57,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 16:02:57,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-21 16:02:57,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-21 16:02:57,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:02:57,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:02:57,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:02:57,970 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-21 16:02:58,157 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61,SelfDestructingSolverStorable62,SelfDestructingSolverStorable63,SelfDestructingSolverStorable64,SelfDestructingSolverStorable65,16 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable66,SelfDestructingSolverStorable67,SelfDestructingSolverStorable68 [2024-11-21 16:02:58,158 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-21 16:02:58,158 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:02:58,158 INFO L139 ounterexampleChecker]: Examining path program with hash -1368732614, occurence #1 [2024-11-21 16:02:58,158 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 16:02:58,158 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:02:58,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:02:58,158 INFO L85 PathProgramCache]: Analyzing trace with hash -742364923, now seen corresponding path program 15 times [2024-11-21 16:02:58,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:02:58,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684762787] [2024-11-21 16:02:58,159 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:02:58,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:02:58,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:02:59,396 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 165 proven. 322 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2024-11-21 16:02:59,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:02:59,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684762787] [2024-11-21 16:02:59,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684762787] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:02:59,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [360035316] [2024-11-21 16:02:59,397 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-21 16:02:59,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:02:59,397 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:02:59,399 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 16:02:59,400 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-21 16:02:59,660 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-21 16:02:59,660 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 16:02:59,662 INFO L256 TraceCheckSpWp]: Trace formula consists of 585 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-21 16:02:59,665 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:02:59,811 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 662 trivial. 0 not checked. [2024-11-21 16:02:59,811 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:02:59,892 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 672 trivial. 0 not checked. [2024-11-21 16:02:59,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [360035316] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:02:59,892 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:02:59,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 6, 5] total 31 [2024-11-21 16:02:59,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001956166] [2024-11-21 16:02:59,893 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:02:59,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-11-21 16:02:59,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:02:59,894 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-11-21 16:02:59,894 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=781, Unknown=0, NotChecked=0, Total=930 [2024-11-21 16:02:59,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:02:59,894 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:02:59,894 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 7.838709677419355) internal successors, (243), 31 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 16:02:59,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:02:59,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:02:59,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:02:59,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:02:59,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:02:59,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:02:59,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 16:02:59,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:02:59,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:02:59,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:02:59,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 16:02:59,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-21 16:02:59,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-21 16:02:59,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:02:59,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:02:59,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:02:59,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:03:02,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:02,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:02,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:03:02,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:03:02,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:03:02,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:03:02,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 16:03:02,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:03:02,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:03:02,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:03:02,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:03:02,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-21 16:03:02,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-21 16:03:02,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:03:02,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:03:02,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-21 16:03:02,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-21 16:03:02,614 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-21 16:03:02,801 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable69 [2024-11-21 16:03:02,801 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-21 16:03:02,801 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:03:02,802 INFO L139 ounterexampleChecker]: Examining path program with hash -812498842, occurence #1 [2024-11-21 16:03:02,802 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 16:03:02,802 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:03:02,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:03:02,802 INFO L85 PathProgramCache]: Analyzing trace with hash -1902965927, now seen corresponding path program 16 times [2024-11-21 16:03:02,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:03:02,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509544234] [2024-11-21 16:03:02,802 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:03:02,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:03:03,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:03:05,621 INFO L134 CoverageAnalysis]: Checked inductivity of 3382 backedges. 152 proven. 1085 refuted. 0 times theorem prover too weak. 2145 trivial. 0 not checked. [2024-11-21 16:03:05,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:03:05,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509544234] [2024-11-21 16:03:05,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509544234] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:03:05,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [857744591] [2024-11-21 16:03:05,622 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-21 16:03:05,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:03:05,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:03:05,624 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 16:03:05,625 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-21 16:03:06,156 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-21 16:03:06,156 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 16:03:06,167 INFO L256 TraceCheckSpWp]: Trace formula consists of 2660 conjuncts, 68 conjuncts are in the unsatisfiable core [2024-11-21 16:03:06,174 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:03:09,786 INFO L134 CoverageAnalysis]: Checked inductivity of 3382 backedges. 3215 proven. 91 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-11-21 16:03:09,787 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:03:13,296 INFO L134 CoverageAnalysis]: Checked inductivity of 3382 backedges. 3176 proven. 130 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-11-21 16:03:13,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [857744591] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:03:13,296 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:03:13,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 65, 65] total 154 [2024-11-21 16:03:13,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875895456] [2024-11-21 16:03:13,297 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:03:13,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 154 states [2024-11-21 16:03:13,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:03:13,303 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 154 interpolants. [2024-11-21 16:03:13,307 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6214, Invalid=17348, Unknown=0, NotChecked=0, Total=23562 [2024-11-21 16:03:13,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:03:13,308 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:03:13,308 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 154 states, 154 states have (on average 9.220779220779221) internal successors, (1420), 154 states have internal predecessors, (1420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 16:03:13,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:13,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:13,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:03:13,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:03:13,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:03:13,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:03:13,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 16:03:13,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:03:13,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:03:13,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:03:13,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:03:13,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-21 16:03:13,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-21 16:03:13,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:03:13,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:03:13,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-21 16:03:13,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-21 16:03:13,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:03:13,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:13,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:13,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:03:13,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:03:13,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:03:13,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:03:13,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 16:03:13,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:03:13,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:03:13,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:03:13,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:03:13,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-21 16:03:13,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-21 16:03:13,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:03:13,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:03:13,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-21 16:03:13,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-21 16:03:13,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-11-21 16:03:13,905 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-11-21 16:03:14,087 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70,18 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:03:14,088 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-21 16:03:14,089 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:03:14,089 INFO L139 ounterexampleChecker]: Examining path program with hash -812498842, occurence #2 [2024-11-21 16:03:14,089 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:03:14,089 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 16:03:14,089 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:03:14,089 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2024-11-21 16:03:14,089 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:03:14,089 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2024-11-21 16:03:14,089 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:03:14,090 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 47 [2024-11-21 16:03:14,090 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:03:14,090 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2024-11-21 16:03:14,090 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:03:14,090 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-11-21 16:03:14,090 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:03:14,090 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2024-11-21 16:03:14,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:03:14,146 INFO L85 PathProgramCache]: Analyzing trace with hash 1567126401, now seen corresponding path program 1 times [2024-11-21 16:03:14,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:03:14,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247627965] [2024-11-21 16:03:14,146 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:03:14,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:03:14,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 16:03:14,991 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-21 16:03:14,992 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-21 16:03:14,992 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 187 is hopeless, skipping. [2024-11-21 16:03:14,992 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 208 [2024-11-21 16:03:15,024 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:03:15,024 INFO L85 PathProgramCache]: Analyzing trace with hash 1081605979, now seen corresponding path program 1 times [2024-11-21 16:03:15,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:03:15,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376224790] [2024-11-21 16:03:15,024 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:03:15,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:03:15,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:03:15,339 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 621 trivial. 0 not checked. [2024-11-21 16:03:15,339 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:03:15,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376224790] [2024-11-21 16:03:15,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376224790] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 16:03:15,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 16:03:15,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-21 16:03:15,340 INFO L172 ounterexampleChecker]: Successfully proved commutativity at non-minimality point 208. Constructing proof automaton... [2024-11-21 16:03:15,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 16:03:15,342 INFO L309 artialOrderCegarLoop]: Commutativity proof succeeded, skipping feasibility check. [2024-11-21 16:03:15,342 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-21 16:03:15,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SMTINTERPOL [2024-11-21 16:03:15,342 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-21 16:03:15,342 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-21 16:03:15,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:03:15,342 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:03:15,342 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 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 16:03:15,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:15,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:15,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:03:15,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:03:15,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:03:15,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:03:15,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 16:03:15,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:03:15,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:03:15,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:03:15,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:03:15,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-21 16:03:15,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-21 16:03:15,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:03:15,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:03:15,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-21 16:03:15,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-21 16:03:15,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-11-21 16:03:15,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:03:16,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:16,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:16,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:03:16,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:03:16,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:03:16,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:03:16,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 16:03:16,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:03:16,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:03:16,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:03:16,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:03:16,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-21 16:03:16,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-21 16:03:16,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 16:03:16,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:03:16,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-21 16:03:16,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-21 16:03:16,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-11-21 16:03:16,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:03:16,576 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71,SelfDestructingSolverStorable72 [2024-11-21 16:03:16,576 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-21 16:03:16,576 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:03:16,576 INFO L139 ounterexampleChecker]: Examining path program with hash -1004704578, occurence #1 [2024-11-21 16:03:16,576 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 16:03:16,576 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:03:16,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:03:16,577 INFO L85 PathProgramCache]: Analyzing trace with hash -124742710, now seen corresponding path program 17 times [2024-11-21 16:03:16,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:03:16,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888421919] [2024-11-21 16:03:16,577 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:03:16,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:03:17,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:03:20,432 INFO L134 CoverageAnalysis]: Checked inductivity of 5143 backedges. 184 proven. 1322 refuted. 0 times theorem prover too weak. 3637 trivial. 0 not checked. [2024-11-21 16:03:20,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:03:20,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888421919] [2024-11-21 16:03:20,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [888421919] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:03:20,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [880951146] [2024-11-21 16:03:20,433 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-21 16:03:20,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:03:20,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:03:20,435 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 16:03:20,436 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 Killed by 15