./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/weaver/popl20-more-buffer-series.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-series.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 8dbd267b0e0821e8d358e8d234024d8e484ea32431972ed8b70b87052179a50c --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT --- Real Ultimate output --- This is Ultimate 0.3.0-dev-1f73d82-m [2024-11-21 16:03:38,200 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-21 16:03:38,294 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-11-21 16:03:38,302 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-21 16:03:38,303 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-21 16:03:38,333 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-21 16:03:38,335 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-21 16:03:38,335 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-21 16:03:38,335 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-21 16:03:38,335 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-21 16:03:38,336 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-21 16:03:38,336 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-21 16:03:38,336 INFO L153 SettingsManager]: * Use SBE=true [2024-11-21 16:03:38,336 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-21 16:03:38,337 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-21 16:03:38,337 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-21 16:03:38,337 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-21 16:03:38,337 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-21 16:03:38,337 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-21 16:03:38,338 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-21 16:03:38,339 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-21 16:03:38,339 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-21 16:03:38,339 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-21 16:03:38,339 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-21 16:03:38,339 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-21 16:03:38,339 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-21 16:03:38,339 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-21 16:03:38,339 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-21 16:03:38,339 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-21 16:03:38,339 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-21 16:03:38,339 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-21 16:03:38,339 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-21 16:03:38,339 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-21 16:03:38,339 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-21 16:03:38,339 INFO L153 SettingsManager]: * Commutativity condition synthesis=SUFFICIENT [2024-11-21 16:03:38,340 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-21 16:03:38,340 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-21 16:03:38,340 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-11-21 16:03:38,340 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-21 16:03:38,340 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-21 16:03:38,340 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-21 16:03:38,340 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-21 16:03:38,340 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-21 16:03:38,340 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 -> 8dbd267b0e0821e8d358e8d234024d8e484ea32431972ed8b70b87052179a50c Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NECESSARY_AND_SUFFICIENT [2024-11-21 16:03:38,625 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-21 16:03:38,634 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-21 16:03:38,636 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-21 16:03:38,638 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-21 16:03:38,638 INFO L274 PluginConnector]: CDTParser initialized [2024-11-21 16:03:38,641 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/weaver/popl20-more-buffer-series.wvr.c [2024-11-21 16:03:39,895 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/af28f4394/7214251da93541a5a1a2ec38822fcf55/FLAGe963069f2 [2024-11-21 16:03:40,094 INFO L384 CDTParser]: Found 1 translation units. [2024-11-21 16:03:40,094 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more-buffer-series.wvr.c [2024-11-21 16:03:40,106 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/af28f4394/7214251da93541a5a1a2ec38822fcf55/FLAGe963069f2 [2024-11-21 16:03:40,120 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/af28f4394/7214251da93541a5a1a2ec38822fcf55 [2024-11-21 16:03:40,122 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-21 16:03:40,124 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-21 16:03:40,125 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-21 16:03:40,126 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-21 16:03:40,130 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-21 16:03:40,130 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:03:40" (1/1) ... [2024-11-21 16:03:40,131 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ff46de8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:03:40, skipping insertion in model container [2024-11-21 16:03:40,132 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:03:40" (1/1) ... [2024-11-21 16:03:40,156 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-21 16:03:40,349 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-series.wvr.c[4403,4416] [2024-11-21 16:03:40,363 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 16:03:40,374 INFO L200 MainTranslator]: Completed pre-run [2024-11-21 16:03:40,400 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-series.wvr.c[4403,4416] [2024-11-21 16:03:40,403 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 16:03:40,420 INFO L204 MainTranslator]: Completed translation [2024-11-21 16:03:40,421 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:03:40 WrapperNode [2024-11-21 16:03:40,421 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-21 16:03:40,423 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-21 16:03:40,423 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-21 16:03:40,423 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-21 16:03:40,429 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:03:40" (1/1) ... [2024-11-21 16:03:40,441 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:03:40" (1/1) ... [2024-11-21 16:03:40,482 INFO L138 Inliner]: procedures = 26, calls = 67, calls flagged for inlining = 22, calls inlined = 28, statements flattened = 333 [2024-11-21 16:03:40,482 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-21 16:03:40,483 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-21 16:03:40,483 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-21 16:03:40,483 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-21 16:03:40,489 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:03:40" (1/1) ... [2024-11-21 16:03:40,489 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:03:40" (1/1) ... [2024-11-21 16:03:40,492 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:03:40" (1/1) ... [2024-11-21 16:03:40,492 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:03:40" (1/1) ... [2024-11-21 16:03:40,502 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:03:40" (1/1) ... [2024-11-21 16:03:40,504 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:03:40" (1/1) ... [2024-11-21 16:03:40,512 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:03:40" (1/1) ... [2024-11-21 16:03:40,514 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:03:40" (1/1) ... [2024-11-21 16:03:40,516 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:03:40" (1/1) ... [2024-11-21 16:03:40,527 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-21 16:03:40,528 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-21 16:03:40,528 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-21 16:03:40,528 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-21 16:03:40,530 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:03:40" (1/1) ... [2024-11-21 16:03:40,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-21 16:03:40,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:03:40,563 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 16:03:40,566 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 16:03:40,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-21 16:03:40,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-21 16:03:40,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-21 16:03:40,595 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-21 16:03:40,595 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-21 16:03:40,595 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-21 16:03:40,595 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-21 16:03:40,595 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-21 16:03:40,595 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-21 16:03:40,595 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-11-21 16:03:40,596 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-11-21 16:03:40,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-21 16:03:40,596 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-21 16:03:40,596 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-21 16:03:40,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-21 16:03:40,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-21 16:03:40,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-21 16:03:40,598 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 16:03:40,733 INFO L234 CfgBuilder]: Building ICFG [2024-11-21 16:03:40,735 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-21 16:03:41,283 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-21 16:03:41,283 INFO L283 CfgBuilder]: Performing block encoding [2024-11-21 16:03:41,596 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-21 16:03:41,596 INFO L312 CfgBuilder]: Removed 7 assume(true) statements. [2024-11-21 16:03:41,597 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:03:41 BoogieIcfgContainer [2024-11-21 16:03:41,597 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-21 16:03:41,599 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-21 16:03:41,600 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-21 16:03:41,604 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-21 16:03:41,605 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 04:03:40" (1/3) ... [2024-11-21 16:03:41,606 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33551056 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:03:41, skipping insertion in model container [2024-11-21 16:03:41,606 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:03:40" (2/3) ... [2024-11-21 16:03:41,606 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33551056 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:03:41, skipping insertion in model container [2024-11-21 16:03:41,606 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:03:41" (3/3) ... [2024-11-21 16:03:41,607 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-more-buffer-series.wvr.c [2024-11-21 16:03:41,622 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-21 16:03:41,624 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-more-buffer-series.wvr.c that has 5 procedures, 46 locations, 1 initial locations, 7 loop locations, and 1 error locations. [2024-11-21 16:03:41,625 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-21 16:03:41,710 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-11-21 16:03:41,759 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 16:03:41,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-21 16:03:41,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:03:41,762 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 16:03:41,764 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 16:03:41,862 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-21 16:03:41,879 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-21 16:03:41,887 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;@6890d2e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 16:03:41,887 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-11-21 16:03:43,563 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 16:03:43,564 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:03:43,565 INFO L139 ounterexampleChecker]: Examining path program with hash 589779344, occurence #1 [2024-11-21 16:03:43,565 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 16:03:43,565 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:03:43,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:03:43,570 INFO L85 PathProgramCache]: Analyzing trace with hash -1304764487, now seen corresponding path program 1 times [2024-11-21 16:03:43,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:03:43,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651363090] [2024-11-21 16:03:43,579 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:03:43,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:03:44,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:03:45,003 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 16:03:45,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:03:45,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651363090] [2024-11-21 16:03:45,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651363090] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 16:03:45,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 16:03:45,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-21 16:03:45,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572257998] [2024-11-21 16:03:45,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 16:03:45,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-21 16:03:45,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:03:45,030 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-21 16:03:45,030 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-21 16:03:45,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:03:45,032 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:03:45,035 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 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 16:03:45,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:03:45,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:45,191 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-21 16:03:45,192 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 16:03:45,192 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:03:45,193 INFO L139 ounterexampleChecker]: Examining path program with hash 589779344, occurence #2 [2024-11-21 16:03:45,193 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:03:45,193 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 16:03:45,194 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:03:45,194 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2024-11-21 16:03:45,194 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:03:45,194 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2024-11-21 16:03:45,209 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:03:45,211 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-11-21 16:03:45,211 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:03:45,212 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-21 16:03:45,212 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:03:45,212 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2024-11-21 16:03:45,212 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:03:45,212 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 65 [2024-11-21 16:03:45,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:03:45,301 INFO L85 PathProgramCache]: Analyzing trace with hash -1327686408, now seen corresponding path program 1 times [2024-11-21 16:03:45,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:03:45,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527426286] [2024-11-21 16:03:45,301 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:03:45,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:03:45,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:03:45,632 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 16:03:45,633 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:03:45,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527426286] [2024-11-21 16:03:45,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527426286] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 16:03:45,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 16:03:45,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-21 16:03:45,636 INFO L172 ounterexampleChecker]: Successfully proved commutativity at non-minimality point 65. Constructing proof automaton... [2024-11-21 16:03:45,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 16:03:45,637 INFO L309 artialOrderCegarLoop]: Commutativity proof succeeded, skipping feasibility check. [2024-11-21 16:03:45,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-21 16:03:45,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SMTINTERPOL [2024-11-21 16:03:45,638 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-21 16:03:45,638 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-21 16:03:45,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:03:45,641 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:03:45,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 16:03:45,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:45,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:03:45,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:45,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:45,796 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-21 16:03:45,796 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 16:03:45,797 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:03:45,797 INFO L139 ounterexampleChecker]: Examining path program with hash 589779344, occurence #3 [2024-11-21 16:03:45,797 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:03:45,797 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 16:03:45,797 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:03:45,797 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2024-11-21 16:03:45,798 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:03:45,798 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-11-21 16:03:45,798 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:03:45,798 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2024-11-21 16:03:45,798 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:03:45,798 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-11-21 16:03:45,798 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:03:45,798 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-11-21 16:03:45,798 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:03:45,798 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 66 [2024-11-21 16:03:45,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:03:45,870 INFO L85 PathProgramCache]: Analyzing trace with hash 298794351, now seen corresponding path program 1 times [2024-11-21 16:03:45,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:03:45,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580217227] [2024-11-21 16:03:45,871 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:03:45,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:03:45,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:03:46,258 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 16:03:46,258 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:03:46,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580217227] [2024-11-21 16:03:46,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580217227] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:03:46,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1067575078] [2024-11-21 16:03:46,260 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:03:46,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:03:46,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:03:46,361 INFO L256 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-21 16:03:46,366 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:03:46,489 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 16:03:46,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1067575078] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:03:46,490 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:03:46,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-21 16:03:46,491 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:03:46,491 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2024-11-21 16:03:46,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:03:46,528 INFO L85 PathProgramCache]: Analyzing trace with hash 910873216, now seen corresponding path program 1 times [2024-11-21 16:03:46,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:03:46,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731159536] [2024-11-21 16:03:46,528 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:03:46,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:03:46,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:03:46,921 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 16:03:46,921 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:03:46,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731159536] [2024-11-21 16:03:46,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731159536] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:03:46,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1754560423] [2024-11-21 16:03:46,922 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:03:46,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:03:46,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:03:46,987 INFO L256 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-21 16:03:46,991 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:03:47,149 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 16:03:47,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1754560423] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:03:47,150 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:03:47,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2024-11-21 16:03:47,150 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:03:47,150 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 79 [2024-11-21 16:03:47,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:03:47,252 INFO L85 PathProgramCache]: Analyzing trace with hash -1383815975, now seen corresponding path program 1 times [2024-11-21 16:03:47,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:03:47,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702936889] [2024-11-21 16:03:47,252 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:03:47,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:03:47,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:03:47,627 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 16:03:47,627 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:03:47,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702936889] [2024-11-21 16:03:47,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702936889] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:03:47,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [986445376] [2024-11-21 16:03:47,628 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:03:47,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:03:47,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:03:47,693 INFO L256 TraceCheckSpWp]: Trace formula consists of 446 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-21 16:03:47,699 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:03:47,807 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 16:03:47,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [986445376] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:03:47,808 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:03:47,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-21 16:03:47,808 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:03:47,808 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 109 is hopeless, skipping. [2024-11-21 16:03:47,808 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 118 is hopeless, skipping. [2024-11-21 16:03:47,809 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 139 [2024-11-21 16:03:47,809 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:03:47,809 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 141 [2024-11-21 16:03:47,809 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:03:47,809 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 16:03:47,809 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:03:47,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:03:47,809 INFO L85 PathProgramCache]: Analyzing trace with hash -956823877, now seen corresponding path program 1 times [2024-11-21 16:03:47,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:03:47,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68613540] [2024-11-21 16:03:47,810 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:03:47,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:03:47,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:03:48,486 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 16:03:48,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:03:48,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68613540] [2024-11-21 16:03:48,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68613540] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:03:48,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [737291758] [2024-11-21 16:03:48,487 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:03:48,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:03:48,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:03:48,491 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 16:03:48,493 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-21 16:03:48,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:03:48,722 INFO L256 TraceCheckSpWp]: Trace formula consists of 715 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-21 16:03:48,726 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:03:48,849 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 16:03:48,849 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:03:49,025 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 16:03:49,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [737291758] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:03:49,026 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:03:49,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 13 [2024-11-21 16:03:49,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051497206] [2024-11-21 16:03:49,026 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:03:49,027 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-21 16:03:49,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:03:49,028 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-21 16:03:49,029 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2024-11-21 16:03:49,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:03:49,030 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:03:49,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 8.214285714285714) internal successors, (115), 13 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 16:03:49,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:49,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:49,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:03:49,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:49,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:49,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:03:49,303 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-21 16:03:49,485 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 16:03:49,485 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-21 16:03:49,485 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:03:49,486 INFO L139 ounterexampleChecker]: Examining path program with hash 589779344, occurence #4 [2024-11-21 16:03:49,486 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:03:49,486 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 16:03:49,486 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:03:49,486 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2024-11-21 16:03:49,486 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:03:49,486 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-11-21 16:03:49,486 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:03:49,486 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-21 16:03:49,486 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:03:49,486 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-11-21 16:03:49,486 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:03:49,486 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-11-21 16:03:49,486 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:03:49,487 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 67 [2024-11-21 16:03:49,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:03:49,555 INFO L85 PathProgramCache]: Analyzing trace with hash 1788877702, now seen corresponding path program 1 times [2024-11-21 16:03:49,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:03:49,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103151937] [2024-11-21 16:03:49,555 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:03:49,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:03:49,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:03:49,873 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 16:03:49,874 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:03:49,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103151937] [2024-11-21 16:03:49,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103151937] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:03:49,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1342703060] [2024-11-21 16:03:49,877 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:03:49,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:03:49,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:03:49,928 INFO L256 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-21 16:03:49,932 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:03:50,122 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 16:03:50,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1342703060] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:03:50,123 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:03:50,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2024-11-21 16:03:50,123 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:03:50,123 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 72 [2024-11-21 16:03:50,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:03:50,156 INFO L85 PathProgramCache]: Analyzing trace with hash -885486277, now seen corresponding path program 1 times [2024-11-21 16:03:50,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:03:50,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516028583] [2024-11-21 16:03:50,156 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:03:50,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:03:50,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:03:50,487 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 16:03:50,487 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:03:50,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516028583] [2024-11-21 16:03:50,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516028583] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:03:50,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1208358161] [2024-11-21 16:03:50,488 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:03:50,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:03:50,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:03:50,531 INFO L256 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-21 16:03:50,533 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:03:50,720 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 16:03:50,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1208358161] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:03:50,723 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:03:50,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2024-11-21 16:03:50,723 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:03:50,724 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 80 [2024-11-21 16:03:50,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:03:50,828 INFO L85 PathProgramCache]: Analyzing trace with hash -710046316, now seen corresponding path program 1 times [2024-11-21 16:03:50,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:03:50,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975918640] [2024-11-21 16:03:50,829 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:03:50,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:03:50,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:03:51,166 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 16:03:51,167 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:03:51,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975918640] [2024-11-21 16:03:51,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975918640] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:03:51,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1752347900] [2024-11-21 16:03:51,167 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:03:51,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:03:51,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:03:51,214 INFO L256 TraceCheckSpWp]: Trace formula consists of 455 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-21 16:03:51,217 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:03:51,417 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 16:03:51,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1752347900] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:03:51,418 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:03:51,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2024-11-21 16:03:51,418 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:03:51,419 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 110 is hopeless, skipping. [2024-11-21 16:03:51,419 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 119 is hopeless, skipping. [2024-11-21 16:03:51,419 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 140 [2024-11-21 16:03:51,419 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:03:51,419 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 142 [2024-11-21 16:03:51,419 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:03:51,419 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 16:03:51,419 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:03:51,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:03:51,419 INFO L85 PathProgramCache]: Analyzing trace with hash 80138185, now seen corresponding path program 2 times [2024-11-21 16:03:51,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:03:51,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533703665] [2024-11-21 16:03:51,420 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:03:51,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:03:51,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:03:51,894 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 16:03:51,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:03:51,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533703665] [2024-11-21 16:03:51,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533703665] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:03:51,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1766984811] [2024-11-21 16:03:51,895 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 16:03:51,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:03:51,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:03:51,897 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 16:03:51,899 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-21 16:03:52,109 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-21 16:03:52,110 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 16:03:52,116 INFO L256 TraceCheckSpWp]: Trace formula consists of 697 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-21 16:03:52,119 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:03:52,255 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-21 16:03:52,256 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-21 16:03:52,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1766984811] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 16:03:52,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-21 16:03:52,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-11-21 16:03:52,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100413349] [2024-11-21 16:03:52,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 16:03:52,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-21 16:03:52,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:03:52,257 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-21 16:03:52,258 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-21 16:03:52,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:03:52,258 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:03:52,258 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 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 16:03:52,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:52,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:52,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:03:52,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:03:52,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:52,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:52,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:03:52,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:03:52,524 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-21 16:03:52,705 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 16:03:52,706 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-21 16:03:52,706 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:03:52,706 INFO L139 ounterexampleChecker]: Examining path program with hash 1418979950, occurence #1 [2024-11-21 16:03:52,706 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 16:03:52,706 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:03:52,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:03:52,707 INFO L85 PathProgramCache]: Analyzing trace with hash 11704515, now seen corresponding path program 3 times [2024-11-21 16:03:52,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:03:52,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791689071] [2024-11-21 16:03:52,707 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:03:52,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:03:52,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:03:53,113 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 16:03:53,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:03:53,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791689071] [2024-11-21 16:03:53,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791689071] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:03:53,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [590966004] [2024-11-21 16:03:53,114 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-21 16:03:53,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:03:53,114 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:03:53,116 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 16:03:53,119 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-21 16:03:53,272 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-21 16:03:53,273 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 16:03:53,275 INFO L256 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-21 16:03:53,278 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:03:53,587 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 16:03:53,587 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-21 16:03:53,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [590966004] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 16:03:53,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-21 16:03:53,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [7] total 16 [2024-11-21 16:03:53,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398915216] [2024-11-21 16:03:53,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 16:03:53,588 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-21 16:03:53,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:03:53,589 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-21 16:03:53,589 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2024-11-21 16:03:53,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:03:53,590 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:03:53,590 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.0) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 16:03:53,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:53,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:53,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:03:53,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:03:53,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:03:54,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:54,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:54,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:03:54,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:03:54,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:03:54,744 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-21 16:03:54,930 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 16:03:54,931 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-21 16:03:54,931 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:03:54,931 INFO L139 ounterexampleChecker]: Examining path program with hash 870486904, occurence #1 [2024-11-21 16:03:54,931 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 16:03:54,931 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:03:54,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:03:54,932 INFO L85 PathProgramCache]: Analyzing trace with hash 1988027004, now seen corresponding path program 4 times [2024-11-21 16:03:54,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:03:54,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719013113] [2024-11-21 16:03:54,932 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:03:54,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:03:55,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:03:55,607 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 16:03:55,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:03:55,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719013113] [2024-11-21 16:03:55,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719013113] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:03:55,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [913426729] [2024-11-21 16:03:55,608 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-21 16:03:55,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:03:55,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:03:55,610 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 16:03:55,612 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-21 16:03:55,867 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-21 16:03:55,867 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 16:03:55,872 INFO L256 TraceCheckSpWp]: Trace formula consists of 854 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-21 16:03:55,876 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:03:56,096 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 92 proven. 7 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2024-11-21 16:03:56,097 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:03:56,392 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 92 proven. 7 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2024-11-21 16:03:56,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [913426729] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:03:56,393 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:03:56,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 19 [2024-11-21 16:03:56,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201250123] [2024-11-21 16:03:56,393 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:03:56,394 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-21 16:03:56,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:03:56,395 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-21 16:03:56,395 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=277, Unknown=0, NotChecked=0, Total=342 [2024-11-21 16:03:56,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:03:56,395 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:03:56,396 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.31578947368421) internal successors, (158), 19 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 16:03:56,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:56,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:56,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:03:56,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:03:56,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:03:56,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:03:56,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:56,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:03:56,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:03:56,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:03:56,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:03:56,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 16:03:56,954 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-21 16:03:57,137 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 16:03:57,137 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-21 16:03:57,137 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:03:57,138 INFO L139 ounterexampleChecker]: Examining path program with hash 870486904, occurence #2 [2024-11-21 16:03:57,138 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:03:57,138 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 16:03:57,138 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:03:57,138 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-11-21 16:03:57,138 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:03:57,138 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-11-21 16:03:57,138 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:03:57,138 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-21 16:03:57,138 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:03:57,138 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2024-11-21 16:03:57,138 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:03:57,138 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-11-21 16:03:57,138 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:03:57,138 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 63 [2024-11-21 16:03:57,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:03:57,227 INFO L85 PathProgramCache]: Analyzing trace with hash 1162357185, now seen corresponding path program 1 times [2024-11-21 16:03:57,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:03:57,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796229559] [2024-11-21 16:03:57,227 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:03:57,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:03:57,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:03:57,459 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 22 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-21 16:03:57,459 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:03:57,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796229559] [2024-11-21 16:03:57,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796229559] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:03:57,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [770851239] [2024-11-21 16:03:57,460 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:03:57,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:03:57,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:03:57,497 INFO L256 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-21 16:03:57,499 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:03:57,693 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 34 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-21 16:03:57,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [770851239] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:03:57,693 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:03:57,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2024-11-21 16:03:57,693 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:03:57,694 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 161 [2024-11-21 16:03:57,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:03:57,742 INFO L85 PathProgramCache]: Analyzing trace with hash -145296182, now seen corresponding path program 1 times [2024-11-21 16:03:57,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:03:57,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732238356] [2024-11-21 16:03:57,742 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:03:57,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:03:57,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:03:58,317 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2024-11-21 16:03:58,317 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:03:58,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732238356] [2024-11-21 16:03:58,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732238356] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:03:58,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1038360077] [2024-11-21 16:03:58,317 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:03:58,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:03:58,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:03:58,415 INFO L256 TraceCheckSpWp]: Trace formula consists of 739 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-21 16:03:58,418 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:03:58,747 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 72 proven. 6 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2024-11-21 16:03:58,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1038360077] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:03:58,747 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:03:58,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2024-11-21 16:03:58,747 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:03:58,748 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 176 is hopeless, skipping. [2024-11-21 16:03:58,748 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 177 [2024-11-21 16:03:58,748 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:03:58,748 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 180 [2024-11-21 16:03:58,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:03:58,774 INFO L85 PathProgramCache]: Analyzing trace with hash 2061381888, now seen corresponding path program 1 times [2024-11-21 16:03:58,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:03:58,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823290053] [2024-11-21 16:03:58,774 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:03:58,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:03:58,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:03:59,312 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 3 proven. 75 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-11-21 16:03:59,312 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:03:59,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823290053] [2024-11-21 16:03:59,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823290053] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:03:59,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [111894773] [2024-11-21 16:03:59,313 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:03:59,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:03:59,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:03:59,391 INFO L256 TraceCheckSpWp]: Trace formula consists of 807 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-21 16:03:59,394 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:03:59,676 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 75 proven. 3 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-11-21 16:03:59,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [111894773] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:03:59,676 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:03:59,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2024-11-21 16:03:59,676 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:03:59,676 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 187 [2024-11-21 16:03:59,676 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:03:59,676 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 191 [2024-11-21 16:03:59,676 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:03:59,676 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 193 [2024-11-21 16:03:59,676 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:03:59,676 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 197 [2024-11-21 16:03:59,676 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:03:59,676 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 16:03:59,677 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:03:59,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:03:59,677 INFO L85 PathProgramCache]: Analyzing trace with hash -1774713858, now seen corresponding path program 5 times [2024-11-21 16:03:59,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:03:59,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221771364] [2024-11-21 16:03:59,677 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:03:59,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:03:59,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:00,486 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2024-11-21 16:04:00,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:04:00,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221771364] [2024-11-21 16:04:00,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221771364] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:00,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1633056081] [2024-11-21 16:04:00,487 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-21 16:04:00,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:04:00,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:04:00,489 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 16:04:00,491 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-21 16:04:00,818 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2024-11-21 16:04:00,819 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 16:04:00,825 INFO L256 TraceCheckSpWp]: Trace formula consists of 872 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-21 16:04:00,833 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:04:01,483 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 182 proven. 48 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-21 16:04:01,483 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:04:02,148 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 188 proven. 42 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-21 16:04:02,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1633056081] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:04:02,149 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:04:02,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 14, 14] total 35 [2024-11-21 16:04:02,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252893320] [2024-11-21 16:04:02,149 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:04:02,150 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-11-21 16:04:02,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:04:02,151 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-11-21 16:04:02,151 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=355, Invalid=905, Unknown=0, NotChecked=0, Total=1260 [2024-11-21 16:04:02,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:04:02,151 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:04:02,152 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 8.694444444444445) internal successors, (313), 35 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 16:04:02,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:02,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:02,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:04:02,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:04:02,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:04:02,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 16:04:02,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:04:02,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:02,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:02,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:04:02,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:04:02,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:04:02,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 16:04:02,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:04:02,682 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-21 16:04:02,863 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 16:04:02,863 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-21 16:04:02,863 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:04:02,864 INFO L139 ounterexampleChecker]: Examining path program with hash 870486904, occurence #3 [2024-11-21 16:04:02,864 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:04:02,864 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 16:04:02,864 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:04:02,864 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-11-21 16:04:02,864 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:04:02,864 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-11-21 16:04:02,864 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:02,864 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-11-21 16:04:02,864 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:02,864 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2024-11-21 16:04:02,864 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:02,864 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2024-11-21 16:04:02,864 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:02,864 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-11-21 16:04:02,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:04:02,930 INFO L85 PathProgramCache]: Analyzing trace with hash 1370073596, now seen corresponding path program 1 times [2024-11-21 16:04:02,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:04:02,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669310664] [2024-11-21 16:04:02,931 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:02,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:02,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:03,125 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 16:04:03,125 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:04:03,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669310664] [2024-11-21 16:04:03,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669310664] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:03,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1676506243] [2024-11-21 16:04:03,126 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:03,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:03,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:03,162 INFO L256 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-21 16:04:03,164 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:04:03,341 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 16:04:03,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1676506243] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:03,341 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:04:03,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2024-11-21 16:04:03,342 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:04:03,342 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 166 [2024-11-21 16:04:03,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:04:03,378 INFO L85 PathProgramCache]: Analyzing trace with hash 1068980357, now seen corresponding path program 1 times [2024-11-21 16:04:03,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:04:03,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727033040] [2024-11-21 16:04:03,378 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:03,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:03,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:03,844 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 16:04:03,844 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:04:03,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727033040] [2024-11-21 16:04:03,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727033040] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:03,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [834912294] [2024-11-21 16:04:03,845 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:03,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:03,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:03,922 INFO L256 TraceCheckSpWp]: Trace formula consists of 784 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-21 16:04:03,925 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:04:04,201 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 16:04:04,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [834912294] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:04,201 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:04:04,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2024-11-21 16:04:04,201 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:04:04,202 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 181 is hopeless, skipping. [2024-11-21 16:04:04,202 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 182 [2024-11-21 16:04:04,202 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:04:04,202 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 185 [2024-11-21 16:04:04,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:04:04,231 INFO L85 PathProgramCache]: Analyzing trace with hash 988544023, now seen corresponding path program 1 times [2024-11-21 16:04:04,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:04:04,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448820800] [2024-11-21 16:04:04,231 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:04,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:04,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:04,776 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 16:04:04,777 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:04:04,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448820800] [2024-11-21 16:04:04,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448820800] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:04,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [507531738] [2024-11-21 16:04:04,777 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:04,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:04,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:04,862 INFO L256 TraceCheckSpWp]: Trace formula consists of 852 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-21 16:04:04,871 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:04:05,115 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 16:04:05,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [507531738] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:05,115 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:04:05,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2024-11-21 16:04:05,116 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:04:05,116 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 192 [2024-11-21 16:04:05,116 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:04:05,116 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 196 [2024-11-21 16:04:05,116 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:04:05,116 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 198 [2024-11-21 16:04:05,117 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:05,117 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 202 [2024-11-21 16:04:05,117 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:04:05,117 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 16:04:05,117 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:04:05,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:04:05,117 INFO L85 PathProgramCache]: Analyzing trace with hash -1478858868, now seen corresponding path program 6 times [2024-11-21 16:04:05,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:04:05,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501811001] [2024-11-21 16:04:05,118 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:05,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:05,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:05,999 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 16:04:06,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:04:06,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501811001] [2024-11-21 16:04:06,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [501811001] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:06,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [520178587] [2024-11-21 16:04:06,000 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-21 16:04:06,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:04:06,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:04:06,003 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 16:04:06,005 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-21 16:04:06,173 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2024-11-21 16:04:06,173 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 16:04:06,174 INFO L256 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-21 16:04:06,178 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:04:06,342 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2024-11-21 16:04:06,342 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-21 16:04:06,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [520178587] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 16:04:06,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-21 16:04:06,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [19] total 23 [2024-11-21 16:04:06,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166829159] [2024-11-21 16:04:06,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 16:04:06,343 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-21 16:04:06,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:04:06,344 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-21 16:04:06,344 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=453, Unknown=0, NotChecked=0, Total=552 [2024-11-21 16:04:06,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:04:06,344 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:04:06,345 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 5 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 16:04:06,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:06,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:06,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:04:06,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:04:06,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:04:06,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 16:04:06,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:04:06,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:04:06,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:06,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:06,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:04:06,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:04:06,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:04:06,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 16:04:06,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:04:06,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:04:06,484 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-21 16:04:06,668 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 16:04:06,669 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-21 16:04:06,669 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:04:06,669 INFO L139 ounterexampleChecker]: Examining path program with hash 870486904, occurence #4 [2024-11-21 16:04:06,669 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:04:06,669 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 16:04:06,669 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:04:06,669 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-11-21 16:04:06,669 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:04:06,669 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-11-21 16:04:06,669 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:06,669 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-11-21 16:04:06,669 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:06,669 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2024-11-21 16:04:06,669 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:06,669 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2024-11-21 16:04:06,670 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:06,670 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 69 [2024-11-21 16:04:06,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:04:06,744 INFO L85 PathProgramCache]: Analyzing trace with hash 1614071285, now seen corresponding path program 1 times [2024-11-21 16:04:06,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:04:06,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069558817] [2024-11-21 16:04:06,745 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:06,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:06,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:06,899 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 22 proven. 15 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-21 16:04:06,899 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:04:06,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069558817] [2024-11-21 16:04:06,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2069558817] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:06,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [125943135] [2024-11-21 16:04:06,899 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:06,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:06,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:06,931 INFO L256 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-21 16:04:06,933 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:04:07,096 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 34 proven. 3 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-21 16:04:07,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [125943135] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:07,097 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:04:07,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2024-11-21 16:04:07,097 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:04:07,097 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 167 [2024-11-21 16:04:07,150 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:04:07,150 INFO L85 PathProgramCache]: Analyzing trace with hash -2047346562, now seen corresponding path program 1 times [2024-11-21 16:04:07,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:04:07,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820116661] [2024-11-21 16:04:07,151 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:07,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:07,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:07,507 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2024-11-21 16:04:07,508 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:04:07,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820116661] [2024-11-21 16:04:07,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820116661] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:07,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1670643283] [2024-11-21 16:04:07,508 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:07,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:07,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:07,578 INFO L256 TraceCheckSpWp]: Trace formula consists of 793 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-21 16:04:07,581 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:04:07,825 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 72 proven. 3 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2024-11-21 16:04:07,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1670643283] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:07,825 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:04:07,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2024-11-21 16:04:07,825 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:04:07,825 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 182 is hopeless, skipping. [2024-11-21 16:04:07,825 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 183 [2024-11-21 16:04:07,825 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:04:07,826 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 186 [2024-11-21 16:04:07,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:04:07,850 INFO L85 PathProgramCache]: Analyzing trace with hash 2022307376, now seen corresponding path program 1 times [2024-11-21 16:04:07,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:04:07,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805204660] [2024-11-21 16:04:07,850 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:07,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:07,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:08,364 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 3 proven. 75 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2024-11-21 16:04:08,364 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:04:08,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805204660] [2024-11-21 16:04:08,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805204660] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:08,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [865559570] [2024-11-21 16:04:08,364 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:08,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:08,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:08,445 INFO L256 TraceCheckSpWp]: Trace formula consists of 861 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-21 16:04:08,448 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:04:08,692 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 75 proven. 3 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2024-11-21 16:04:08,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [865559570] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:08,692 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:04:08,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2024-11-21 16:04:08,692 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:04:08,693 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 193 [2024-11-21 16:04:08,693 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:04:08,693 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 197 [2024-11-21 16:04:08,693 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:04:08,693 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 199 [2024-11-21 16:04:08,693 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:08,693 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 203 [2024-11-21 16:04:08,693 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:04:08,693 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 16:04:08,693 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:04:08,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:04:08,694 INFO L85 PathProgramCache]: Analyzing trace with hash -699138660, now seen corresponding path program 1 times [2024-11-21 16:04:08,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:04:08,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427112754] [2024-11-21 16:04:08,694 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:08,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:08,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:09,522 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 16 proven. 122 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-21 16:04:09,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:04:09,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427112754] [2024-11-21 16:04:09,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1427112754] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:09,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [529324087] [2024-11-21 16:04:09,522 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:09,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:04:09,523 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:04:09,524 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 16:04:09,525 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-21 16:04:09,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:09,751 INFO L256 TraceCheckSpWp]: Trace formula consists of 926 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-21 16:04:09,753 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:04:09,923 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 150 proven. 3 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2024-11-21 16:04:09,923 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:04:10,105 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 124 proven. 29 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2024-11-21 16:04:10,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [529324087] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:04:10,105 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:04:10,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 8, 8] total 31 [2024-11-21 16:04:10,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434676651] [2024-11-21 16:04:10,106 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:04:10,106 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-11-21 16:04:10,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:04:10,107 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-11-21 16:04:10,107 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=792, Unknown=0, NotChecked=0, Total=930 [2024-11-21 16:04:10,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:04:10,107 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:04:10,107 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 7.32258064516129) internal successors, (227), 31 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 16:04:10,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:10,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:10,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:04:10,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:04:10,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:04:10,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 16:04:10,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:04:10,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:04:10,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:04:10,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:10,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:10,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:04:10,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:04:10,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:04:10,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 16:04:10,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:04:10,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:04:10,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:04:10,442 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-21 16:04:10,624 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 16:04:10,625 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-21 16:04:10,625 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:04:10,625 INFO L139 ounterexampleChecker]: Examining path program with hash 870486904, occurence #5 [2024-11-21 16:04:10,625 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:04:10,626 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 16:04:10,626 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:04:10,626 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2024-11-21 16:04:10,626 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:04:10,626 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2024-11-21 16:04:10,626 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:10,626 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-11-21 16:04:10,626 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:10,626 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2024-11-21 16:04:10,626 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:10,626 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2024-11-21 16:04:10,626 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:10,626 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2024-11-21 16:04:10,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:04:10,701 INFO L85 PathProgramCache]: Analyzing trace with hash 794913596, now seen corresponding path program 1 times [2024-11-21 16:04:10,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:04:10,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933785906] [2024-11-21 16:04:10,702 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:10,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:10,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:10,994 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 22 proven. 13 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-11-21 16:04:10,994 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:04:10,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933785906] [2024-11-21 16:04:10,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933785906] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:10,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [738941557] [2024-11-21 16:04:10,995 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:10,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:11,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:11,058 INFO L256 TraceCheckSpWp]: Trace formula consists of 471 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-21 16:04:11,059 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:04:11,266 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 18 proven. 17 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-11-21 16:04:11,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [738941557] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:11,266 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:04:11,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2024-11-21 16:04:11,267 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:04:11,267 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 169 [2024-11-21 16:04:11,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:04:11,317 INFO L85 PathProgramCache]: Analyzing trace with hash -1590895035, now seen corresponding path program 1 times [2024-11-21 16:04:11,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:04:11,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583166906] [2024-11-21 16:04:11,317 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:11,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:11,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:12,284 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 110 proven. 149 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-21 16:04:12,284 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:04:12,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583166906] [2024-11-21 16:04:12,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583166906] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:12,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [166550728] [2024-11-21 16:04:12,284 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:12,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:12,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:12,363 INFO L256 TraceCheckSpWp]: Trace formula consists of 811 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-21 16:04:12,367 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:04:13,204 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 214 proven. 45 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-21 16:04:13,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [166550728] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:13,205 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:04:13,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 39 [2024-11-21 16:04:13,205 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:04:13,205 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 184 is hopeless, skipping. [2024-11-21 16:04:13,205 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 185 [2024-11-21 16:04:13,206 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:04:13,206 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 188 [2024-11-21 16:04:13,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:04:13,223 INFO L85 PathProgramCache]: Analyzing trace with hash -1212806213, now seen corresponding path program 1 times [2024-11-21 16:04:13,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:04:13,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766559974] [2024-11-21 16:04:13,223 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:13,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:13,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:14,148 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 32 proven. 172 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-11-21 16:04:14,148 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:04:14,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766559974] [2024-11-21 16:04:14,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766559974] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:14,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [134937269] [2024-11-21 16:04:14,148 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:14,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:14,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:14,210 INFO L256 TraceCheckSpWp]: Trace formula consists of 879 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-21 16:04:14,212 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:04:14,919 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 158 proven. 46 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-11-21 16:04:14,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [134937269] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:14,919 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:04:14,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 40 [2024-11-21 16:04:14,919 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:04:14,919 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 195 [2024-11-21 16:04:14,919 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:04:14,919 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 199 [2024-11-21 16:04:14,919 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:04:14,919 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 201 [2024-11-21 16:04:14,919 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:14,920 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 205 [2024-11-21 16:04:14,920 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:04:14,920 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 16:04:14,920 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:04:14,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:04:14,920 INFO L85 PathProgramCache]: Analyzing trace with hash -1928694114, now seen corresponding path program 2 times [2024-11-21 16:04:14,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:04:14,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775404217] [2024-11-21 16:04:14,920 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:14,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:15,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:15,972 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 27 proven. 167 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-21 16:04:15,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:04:15,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775404217] [2024-11-21 16:04:15,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1775404217] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:15,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1197246071] [2024-11-21 16:04:15,973 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 16:04:15,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:04:15,973 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:04:15,976 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 16:04:15,977 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-21 16:04:16,228 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-21 16:04:16,228 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 16:04:16,231 INFO L256 TraceCheckSpWp]: Trace formula consists of 944 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-21 16:04:16,234 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:04:16,490 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 164 proven. 6 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-11-21 16:04:16,490 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:04:16,724 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 144 proven. 26 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-11-21 16:04:16,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1197246071] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:04:16,724 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:04:16,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 10, 10] total 37 [2024-11-21 16:04:16,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119622227] [2024-11-21 16:04:16,724 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:04:16,725 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-11-21 16:04:16,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:04:16,727 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-11-21 16:04:16,728 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=189, Invalid=1143, Unknown=0, NotChecked=0, Total=1332 [2024-11-21 16:04:16,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:04:16,728 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:04:16,728 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 7.243243243243243) internal successors, (268), 37 states have internal predecessors, (268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 16:04:16,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:16,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:16,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:04:16,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:04:16,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:04:16,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 16:04:16,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:04:16,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:04:16,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:04:16,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:04:17,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:17,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:17,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:04:17,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:04:17,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:04:17,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 16:04:17,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:04:17,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:04:17,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:04:17,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:04:17,039 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-21 16:04:17,220 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,SelfDestructingSolverStorable41,SelfDestructingSolverStorable42,SelfDestructingSolverStorable43,SelfDestructingSolverStorable44,SelfDestructingSolverStorable45,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-11-21 16:04:17,221 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-21 16:04:17,221 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:04:17,221 INFO L139 ounterexampleChecker]: Examining path program with hash 870486904, occurence #6 [2024-11-21 16:04:17,221 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:04:17,221 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 16:04:17,221 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:04:17,221 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-21 16:04:17,221 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:04:17,222 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-11-21 16:04:17,222 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:17,222 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2024-11-21 16:04:17,222 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:17,222 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2024-11-21 16:04:17,222 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:17,222 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2024-11-21 16:04:17,222 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:17,222 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-11-21 16:04:17,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:04:17,298 INFO L85 PathProgramCache]: Analyzing trace with hash -1533287865, now seen corresponding path program 1 times [2024-11-21 16:04:17,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:04:17,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273672974] [2024-11-21 16:04:17,298 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:17,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:17,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:17,639 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 22 proven. 13 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-21 16:04:17,639 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:04:17,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273672974] [2024-11-21 16:04:17,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273672974] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:17,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [316195087] [2024-11-21 16:04:17,640 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:17,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:17,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:17,691 INFO L256 TraceCheckSpWp]: Trace formula consists of 489 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-21 16:04:17,693 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:04:17,912 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 22 proven. 13 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-21 16:04:17,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [316195087] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:17,912 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:04:17,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 18 [2024-11-21 16:04:17,912 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:04:17,912 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 171 [2024-11-21 16:04:17,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:04:17,943 INFO L85 PathProgramCache]: Analyzing trace with hash 1162216656, now seen corresponding path program 1 times [2024-11-21 16:04:17,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:04:17,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710121799] [2024-11-21 16:04:17,943 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:17,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:18,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:18,707 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 172 proven. 107 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-21 16:04:18,707 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:04:18,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710121799] [2024-11-21 16:04:18,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710121799] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:18,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [879954891] [2024-11-21 16:04:18,707 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:18,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:18,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:18,776 INFO L256 TraceCheckSpWp]: Trace formula consists of 829 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-21 16:04:18,780 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:04:19,675 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 224 proven. 55 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-21 16:04:19,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [879954891] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:19,676 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:04:19,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 43 [2024-11-21 16:04:19,676 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:04:19,676 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 186 is hopeless, skipping. [2024-11-21 16:04:19,677 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 187 [2024-11-21 16:04:19,677 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:04:19,677 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 190 [2024-11-21 16:04:19,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:04:19,693 INFO L85 PathProgramCache]: Analyzing trace with hash 687735298, now seen corresponding path program 1 times [2024-11-21 16:04:19,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:04:19,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922997737] [2024-11-21 16:04:19,693 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:19,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:19,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:20,539 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 67 proven. 185 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-21 16:04:20,539 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:04:20,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922997737] [2024-11-21 16:04:20,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922997737] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:20,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1306681124] [2024-11-21 16:04:20,540 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:20,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:20,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:20,627 INFO L256 TraceCheckSpWp]: Trace formula consists of 897 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-21 16:04:20,631 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:04:21,348 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 196 proven. 56 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-21 16:04:21,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1306681124] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:21,348 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:04:21,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 44 [2024-11-21 16:04:21,348 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:04:21,348 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 197 [2024-11-21 16:04:21,349 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:04:21,349 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 201 [2024-11-21 16:04:21,349 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:04:21,349 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 203 [2024-11-21 16:04:21,349 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:21,349 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 207 [2024-11-21 16:04:21,349 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:04:21,349 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 16:04:21,349 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:04:21,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:04:21,349 INFO L85 PathProgramCache]: Analyzing trace with hash 1673828700, now seen corresponding path program 3 times [2024-11-21 16:04:21,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:04:21,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484027254] [2024-11-21 16:04:21,349 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:21,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:21,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:22,471 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 27 proven. 178 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2024-11-21 16:04:22,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:04:22,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484027254] [2024-11-21 16:04:22,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484027254] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:22,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1478203118] [2024-11-21 16:04:22,472 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-21 16:04:22,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:04:22,472 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:04:22,474 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 16:04:22,474 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-21 16:04:22,698 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-21 16:04:22,698 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 16:04:22,701 INFO L256 TraceCheckSpWp]: Trace formula consists of 484 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-21 16:04:22,704 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:04:23,066 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 44 proven. 27 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2024-11-21 16:04:23,066 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:04:23,241 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2024-11-21 16:04:23,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1478203118] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:23,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:04:23,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [23, 10] total 37 [2024-11-21 16:04:23,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216423135] [2024-11-21 16:04:23,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 16:04:23,242 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-21 16:04:23,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:04:23,243 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-21 16:04:23,244 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=1161, Unknown=0, NotChecked=0, Total=1332 [2024-11-21 16:04:23,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:04:23,244 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:04:23,244 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 16:04:23,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:23,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:23,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:04:23,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:04:23,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:04:23,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 16:04:23,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:04:23,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:04:23,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:04:23,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:04:23,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:04:23,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:23,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:23,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:04:23,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:04:23,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:04:23,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 16:04:23,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:04:23,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:04:23,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:04:23,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:04:23,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:04:23,792 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-21 16:04:23,974 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,SelfDestructingSolverStorable51,SelfDestructingSolverStorable52,11 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46,SelfDestructingSolverStorable47,SelfDestructingSolverStorable48,SelfDestructingSolverStorable49 [2024-11-21 16:04:23,975 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-21 16:04:23,975 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:04:23,976 INFO L139 ounterexampleChecker]: Examining path program with hash 1085824673, occurence #1 [2024-11-21 16:04:23,976 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 16:04:23,976 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:04:23,976 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:04:23,976 INFO L85 PathProgramCache]: Analyzing trace with hash -1239854581, now seen corresponding path program 4 times [2024-11-21 16:04:23,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:04:23,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803443320] [2024-11-21 16:04:23,977 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:23,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:24,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:24,509 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 38 proven. 115 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-21 16:04:24,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:04:24,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803443320] [2024-11-21 16:04:24,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803443320] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:24,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [52407266] [2024-11-21 16:04:24,509 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-21 16:04:24,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:04:24,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:04:24,512 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 16:04:24,514 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-21 16:04:24,754 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-21 16:04:24,755 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 16:04:24,758 INFO L256 TraceCheckSpWp]: Trace formula consists of 903 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-21 16:04:24,760 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:04:25,098 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 158 proven. 42 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2024-11-21 16:04:25,098 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:04:25,530 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 167 proven. 33 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2024-11-21 16:04:25,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [52407266] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:04:25,530 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:04:25,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 36 [2024-11-21 16:04:25,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930058168] [2024-11-21 16:04:25,531 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:04:25,531 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-11-21 16:04:25,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:04:25,532 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-11-21 16:04:25,533 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=312, Invalid=948, Unknown=0, NotChecked=0, Total=1260 [2024-11-21 16:04:25,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:04:25,534 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:04:25,534 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 7.944444444444445) internal successors, (286), 36 states have internal predecessors, (286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 16:04:25,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:25,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:25,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:04:25,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:04:25,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:04:25,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 16:04:25,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:04:25,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:04:25,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:04:25,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:04:25,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:04:25,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:04:26,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:26,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:26,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:04:26,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:04:26,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:04:26,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 16:04:26,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:04:26,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:04:26,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:04:26,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:04:26,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:04:26,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:04:26,022 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-21 16:04:26,203 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,SelfDestructingSolverStorable53 [2024-11-21 16:04:26,204 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-21 16:04:26,204 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:04:26,204 INFO L139 ounterexampleChecker]: Examining path program with hash 1085824673, occurence #2 [2024-11-21 16:04:26,204 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:04:26,204 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 16:04:26,204 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:04:26,204 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-21 16:04:26,204 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:04:26,204 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2024-11-21 16:04:26,204 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:26,205 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2024-11-21 16:04:26,205 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:26,205 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-21 16:04:26,205 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:26,205 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2024-11-21 16:04:26,205 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:26,205 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2024-11-21 16:04:26,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:04:26,267 INFO L85 PathProgramCache]: Analyzing trace with hash -840519646, now seen corresponding path program 1 times [2024-11-21 16:04:26,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:04:26,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263288590] [2024-11-21 16:04:26,267 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:26,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:26,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:26,578 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 24 proven. 2 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-11-21 16:04:26,578 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:04:26,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263288590] [2024-11-21 16:04:26,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263288590] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:26,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [464166982] [2024-11-21 16:04:26,578 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:26,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:26,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:26,621 INFO L256 TraceCheckSpWp]: Trace formula consists of 498 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-21 16:04:26,622 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:04:26,735 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 24 proven. 2 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-11-21 16:04:26,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [464166982] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:26,735 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:04:26,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2024-11-21 16:04:26,735 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:04:26,735 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 173 [2024-11-21 16:04:26,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:04:26,751 INFO L85 PathProgramCache]: Analyzing trace with hash -1354617623, now seen corresponding path program 1 times [2024-11-21 16:04:26,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:04:26,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176905955] [2024-11-21 16:04:26,751 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:26,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:26,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:27,303 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 38 proven. 120 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2024-11-21 16:04:27,304 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:04:27,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176905955] [2024-11-21 16:04:27,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176905955] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:27,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [2026110792] [2024-11-21 16:04:27,304 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:27,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:27,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:27,376 INFO L256 TraceCheckSpWp]: Trace formula consists of 847 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-21 16:04:27,379 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:04:27,696 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 137 proven. 21 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2024-11-21 16:04:27,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [2026110792] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:27,696 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:04:27,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 25 [2024-11-21 16:04:27,696 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:04:27,696 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 180 [2024-11-21 16:04:27,696 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:04:27,696 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 184 [2024-11-21 16:04:27,696 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:04:27,697 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 186 [2024-11-21 16:04:27,697 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:27,697 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 190 [2024-11-21 16:04:27,697 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:04:27,697 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 16:04:27,697 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:04:27,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:04:27,697 INFO L85 PathProgramCache]: Analyzing trace with hash -953077157, now seen corresponding path program 5 times [2024-11-21 16:04:27,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:04:27,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224328291] [2024-11-21 16:04:27,697 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:27,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:27,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:28,292 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 38 proven. 120 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-21 16:04:28,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:04:28,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224328291] [2024-11-21 16:04:28,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224328291] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:28,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1509981346] [2024-11-21 16:04:28,292 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-21 16:04:28,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:04:28,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:04:28,294 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 16:04:28,295 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-21 16:04:28,903 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2024-11-21 16:04:28,903 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 16:04:28,908 INFO L256 TraceCheckSpWp]: Trace formula consists of 912 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-21 16:04:28,911 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:04:29,435 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 170 proven. 69 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-21 16:04:29,435 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:04:30,090 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 203 proven. 36 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-21 16:04:30,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1509981346] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:04:30,091 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:04:30,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 18, 18] total 47 [2024-11-21 16:04:30,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456725350] [2024-11-21 16:04:30,091 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:04:30,091 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2024-11-21 16:04:30,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:04:30,093 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2024-11-21 16:04:30,093 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=589, Invalid=1573, Unknown=0, NotChecked=0, Total=2162 [2024-11-21 16:04:30,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:04:30,093 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:04:30,094 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 8.127659574468085) internal successors, (382), 47 states have internal predecessors, (382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 16:04:30,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:30,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:30,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:04:30,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:04:30,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:04:30,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 16:04:30,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:04:30,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:04:30,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:04:30,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:04:30,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:04:30,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:04:30,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:04:30,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:30,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:30,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:04:30,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:04:30,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:04:30,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 16:04:30,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:04:30,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:04:30,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:04:30,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:04:30,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:04:30,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:04:30,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-21 16:04:30,655 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 16:04:30,840 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54,SelfDestructingSolverStorable55,SelfDestructingSolverStorable56,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable57,SelfDestructingSolverStorable58 [2024-11-21 16:04:30,840 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-21 16:04:30,840 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:04:30,840 INFO L139 ounterexampleChecker]: Examining path program with hash 1085824673, occurence #3 [2024-11-21 16:04:30,841 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:04:30,841 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 16:04:30,841 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:04:30,841 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-21 16:04:30,841 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:04:30,841 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2024-11-21 16:04:30,841 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:30,841 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-21 16:04:30,841 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:30,841 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2024-11-21 16:04:30,841 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:30,841 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2024-11-21 16:04:30,841 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:30,841 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 78 [2024-11-21 16:04:30,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:04:30,946 INFO L85 PathProgramCache]: Analyzing trace with hash -830061520, now seen corresponding path program 1 times [2024-11-21 16:04:30,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:04:30,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000176226] [2024-11-21 16:04:30,946 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:30,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:31,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:31,307 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 30 proven. 5 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-21 16:04:31,307 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:04:31,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000176226] [2024-11-21 16:04:31,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000176226] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:31,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1270466068] [2024-11-21 16:04:31,308 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:31,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:31,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:31,352 INFO L256 TraceCheckSpWp]: Trace formula consists of 534 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-21 16:04:31,357 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:04:31,665 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 14 proven. 21 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-21 16:04:31,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1270466068] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:31,665 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:04:31,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11] total 18 [2024-11-21 16:04:31,665 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:04:31,665 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 177 [2024-11-21 16:04:31,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:04:31,682 INFO L85 PathProgramCache]: Analyzing trace with hash -1988486921, now seen corresponding path program 1 times [2024-11-21 16:04:31,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:04:31,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019221522] [2024-11-21 16:04:31,682 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:31,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:31,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:32,460 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 89 proven. 180 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-21 16:04:32,460 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:04:32,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019221522] [2024-11-21 16:04:32,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019221522] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:32,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [587511528] [2024-11-21 16:04:32,460 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:32,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:32,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:32,529 INFO L256 TraceCheckSpWp]: Trace formula consists of 883 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-21 16:04:32,532 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:04:33,174 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 150 proven. 119 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-21 16:04:33,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [587511528] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:33,175 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:04:33,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 41 [2024-11-21 16:04:33,175 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:04:33,175 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 184 [2024-11-21 16:04:33,175 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:04:33,175 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 188 [2024-11-21 16:04:33,175 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:04:33,175 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 190 [2024-11-21 16:04:33,175 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:33,175 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 194 [2024-11-21 16:04:33,175 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:04:33,175 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 16:04:33,175 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:04:33,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:04:33,176 INFO L85 PathProgramCache]: Analyzing trace with hash 868621915, now seen corresponding path program 6 times [2024-11-21 16:04:33,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:04:33,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692229686] [2024-11-21 16:04:33,176 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:33,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:33,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:34,012 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 89 proven. 180 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-21 16:04:34,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:04:34,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692229686] [2024-11-21 16:04:34,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692229686] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:34,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1558867996] [2024-11-21 16:04:34,012 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-21 16:04:34,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:04:34,012 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:04:34,014 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 16:04:34,015 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-21 16:04:34,293 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2024-11-21 16:04:34,293 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 16:04:34,296 INFO L256 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-21 16:04:34,299 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:04:34,483 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 89 proven. 6 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2024-11-21 16:04:34,483 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:04:34,708 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 85 proven. 26 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2024-11-21 16:04:34,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1558867996] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:04:34,708 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:04:34,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 7, 8] total 34 [2024-11-21 16:04:34,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263500869] [2024-11-21 16:04:34,708 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:04:34,709 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-21 16:04:34,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:04:34,710 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-21 16:04:34,710 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=973, Unknown=0, NotChecked=0, Total=1122 [2024-11-21 16:04:34,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:04:34,710 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:04:34,710 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 7.764705882352941) internal successors, (264), 34 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 16:04:34,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:34,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:34,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:04:34,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:04:34,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:04:34,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 16:04:34,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:04:34,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:04:34,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:04:34,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:04:34,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:04:34,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:04:34,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-21 16:04:34,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:04:35,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:35,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:35,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:04:35,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:04:35,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:04:35,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 16:04:35,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:04:35,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:04:35,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:04:35,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:04:35,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:04:35,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:04:35,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-21 16:04:35,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-21 16:04:35,391 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-21 16:04:35,578 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,SelfDestructingSolverStorable61,SelfDestructingSolverStorable62,SelfDestructingSolverStorable63,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable59 [2024-11-21 16:04:35,578 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 16:04:35,578 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:04:35,578 INFO L139 ounterexampleChecker]: Examining path program with hash 1085824673, occurence #4 [2024-11-21 16:04:35,578 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:04:35,578 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 16:04:35,578 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:04:35,578 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-21 16:04:35,579 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:04:35,579 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2024-11-21 16:04:35,579 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:35,579 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2024-11-21 16:04:35,579 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:35,579 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-21 16:04:35,579 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:35,579 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2024-11-21 16:04:35,579 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:35,579 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 80 [2024-11-21 16:04:35,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:04:35,650 INFO L85 PathProgramCache]: Analyzing trace with hash -999214564, now seen corresponding path program 1 times [2024-11-21 16:04:35,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:04:35,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567565513] [2024-11-21 16:04:35,650 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:35,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:35,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:36,053 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 30 proven. 7 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2024-11-21 16:04:36,053 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:04:36,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567565513] [2024-11-21 16:04:36,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567565513] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:36,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1503859347] [2024-11-21 16:04:36,054 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:36,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:36,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:36,099 INFO L256 TraceCheckSpWp]: Trace formula consists of 552 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-21 16:04:36,101 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:04:36,425 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 14 proven. 23 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2024-11-21 16:04:36,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1503859347] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:36,425 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:04:36,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 12] total 20 [2024-11-21 16:04:36,425 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:04:36,425 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 179 [2024-11-21 16:04:36,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:04:36,441 INFO L85 PathProgramCache]: Analyzing trace with hash 345005859, now seen corresponding path program 1 times [2024-11-21 16:04:36,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:04:36,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271652554] [2024-11-21 16:04:36,441 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:36,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:36,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:37,185 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 172 proven. 107 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-21 16:04:37,185 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:04:37,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271652554] [2024-11-21 16:04:37,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271652554] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:37,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1897649201] [2024-11-21 16:04:37,186 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:37,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:37,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:37,279 INFO L256 TraceCheckSpWp]: Trace formula consists of 901 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-21 16:04:37,281 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:04:38,181 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 224 proven. 55 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-21 16:04:38,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1897649201] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:38,182 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:04:38,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 44 [2024-11-21 16:04:38,182 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:04:38,182 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 186 [2024-11-21 16:04:38,182 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:04:38,182 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 190 [2024-11-21 16:04:38,182 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:04:38,182 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 192 [2024-11-21 16:04:38,182 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:38,182 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 196 [2024-11-21 16:04:38,182 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:04:38,182 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 16:04:38,182 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:04:38,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:04:38,183 INFO L85 PathProgramCache]: Analyzing trace with hash -1318904709, now seen corresponding path program 7 times [2024-11-21 16:04:38,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:04:38,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754744916] [2024-11-21 16:04:38,183 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:38,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:38,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:39,026 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 67 proven. 186 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-21 16:04:39,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:04:39,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754744916] [2024-11-21 16:04:39,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754744916] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:39,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1277441798] [2024-11-21 16:04:39,026 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-21 16:04:39,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:04:39,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:04:39,028 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 16:04:39,029 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-21 16:04:39,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:39,325 INFO L256 TraceCheckSpWp]: Trace formula consists of 966 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-21 16:04:39,327 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:04:40,176 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 225 proven. 55 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-21 16:04:40,177 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:04:41,068 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 213 proven. 67 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-21 16:04:41,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1277441798] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:04:41,068 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:04:41,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 65 [2024-11-21 16:04:41,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707374754] [2024-11-21 16:04:41,069 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:04:41,069 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2024-11-21 16:04:41,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:04:41,070 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2024-11-21 16:04:41,071 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=810, Invalid=3480, Unknown=0, NotChecked=0, Total=4290 [2024-11-21 16:04:41,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:04:41,072 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:04:41,072 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 66 states have (on average 6.575757575757576) internal successors, (434), 65 states have internal predecessors, (434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 16:04:41,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:41,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:41,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:04:41,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:04:41,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:04:41,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 16:04:41,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:04:41,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:04:41,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:04:41,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:04:41,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:04:41,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:04:41,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-21 16:04:41,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-21 16:04:41,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:04:41,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:41,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:41,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:04:41,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:04:41,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:04:41,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 16:04:41,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:04:41,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:04:41,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:04:41,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:04:41,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:04:41,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:04:41,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-21 16:04:41,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-21 16:04:41,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:04:41,361 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-21 16:04:41,548 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,SelfDestructingSolverStorable64,SelfDestructingSolverStorable65,SelfDestructingSolverStorable66,SelfDestructingSolverStorable67,SelfDestructingSolverStorable68 [2024-11-21 16:04:41,548 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-21 16:04:41,548 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:04:41,548 INFO L139 ounterexampleChecker]: Examining path program with hash 1085824673, occurence #5 [2024-11-21 16:04:41,548 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:04:41,548 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 16:04:41,548 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:04:41,548 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-11-21 16:04:41,548 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:04:41,548 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2024-11-21 16:04:41,548 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:41,549 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2024-11-21 16:04:41,549 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:41,549 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-21 16:04:41,549 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:41,549 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2024-11-21 16:04:41,549 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:41,549 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 81 [2024-11-21 16:04:41,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:04:41,681 INFO L85 PathProgramCache]: Analyzing trace with hash -1587191888, now seen corresponding path program 1 times [2024-11-21 16:04:41,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:04:41,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517799080] [2024-11-21 16:04:41,682 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:41,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:41,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:41,985 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 30 proven. 7 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2024-11-21 16:04:41,985 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:04:41,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517799080] [2024-11-21 16:04:41,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517799080] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:41,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [884955458] [2024-11-21 16:04:41,985 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:41,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:42,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:42,091 INFO L256 TraceCheckSpWp]: Trace formula consists of 561 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-21 16:04:42,093 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:04:42,303 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 22 proven. 15 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2024-11-21 16:04:42,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [884955458] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:42,303 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:04:42,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2024-11-21 16:04:42,303 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:04:42,303 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 180 [2024-11-21 16:04:42,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:04:42,324 INFO L85 PathProgramCache]: Analyzing trace with hash 788514523, now seen corresponding path program 1 times [2024-11-21 16:04:42,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:04:42,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702939681] [2024-11-21 16:04:42,324 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:42,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:42,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:42,974 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 207 proven. 20 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2024-11-21 16:04:42,975 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:04:42,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702939681] [2024-11-21 16:04:42,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702939681] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:42,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [522158753] [2024-11-21 16:04:42,975 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:42,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:43,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:43,039 INFO L256 TraceCheckSpWp]: Trace formula consists of 910 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-21 16:04:43,041 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:04:43,642 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 224 proven. 3 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2024-11-21 16:04:43,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [522158753] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:43,643 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:04:43,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 30 [2024-11-21 16:04:43,643 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:04:43,643 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 187 [2024-11-21 16:04:43,643 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:04:43,643 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 191 [2024-11-21 16:04:43,643 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:04:43,643 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 193 [2024-11-21 16:04:43,643 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:43,643 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 197 [2024-11-21 16:04:43,643 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:04:43,643 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 16:04:43,643 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:04:43,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:04:43,644 INFO L85 PathProgramCache]: Analyzing trace with hash 1004452781, now seen corresponding path program 8 times [2024-11-21 16:04:43,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:04:43,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430557890] [2024-11-21 16:04:43,644 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:43,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:43,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:44,585 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 116 proven. 172 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-11-21 16:04:44,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:04:44,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430557890] [2024-11-21 16:04:44,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430557890] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:44,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1183959313] [2024-11-21 16:04:44,586 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 16:04:44,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:04:44,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:04:44,587 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 16:04:44,589 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-21 16:04:44,900 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-21 16:04:44,900 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 16:04:44,904 INFO L256 TraceCheckSpWp]: Trace formula consists of 975 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-21 16:04:44,906 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:04:45,451 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 184 proven. 43 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2024-11-21 16:04:45,451 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:04:46,049 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 184 proven. 43 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2024-11-21 16:04:46,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1183959313] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:04:46,049 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:04:46,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 17, 18] total 58 [2024-11-21 16:04:46,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852832788] [2024-11-21 16:04:46,049 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:04:46,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 59 states [2024-11-21 16:04:46,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:04:46,051 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2024-11-21 16:04:46,052 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=513, Invalid=2909, Unknown=0, NotChecked=0, Total=3422 [2024-11-21 16:04:46,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:04:46,052 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:04:46,053 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 59 states, 59 states have (on average 7.830508474576271) internal successors, (462), 58 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 16:04:46,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:46,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:46,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:04:46,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:04:46,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:04:46,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 16:04:46,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:04:46,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:04:46,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:04:46,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:04:46,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:04:46,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:04:46,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-21 16:04:46,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-21 16:04:46,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:04:46,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:04:46,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:46,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:46,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:04:46,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:04:46,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:04:46,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 16:04:46,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:04:46,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:04:46,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:04:46,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:04:46,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:04:46,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:04:46,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-21 16:04:46,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-21 16:04:46,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:04:46,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-21 16:04:46,766 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-21 16:04:46,950 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70,SelfDestructingSolverStorable71,SelfDestructingSolverStorable72,SelfDestructingSolverStorable73,16 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable69 [2024-11-21 16:04:46,951 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-21 16:04:46,951 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:04:46,951 INFO L139 ounterexampleChecker]: Examining path program with hash 1085824673, occurence #6 [2024-11-21 16:04:46,951 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:04:46,951 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 16:04:46,951 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:04:46,951 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-21 16:04:46,951 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:04:46,951 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2024-11-21 16:04:46,951 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:46,951 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2024-11-21 16:04:46,951 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:46,951 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2024-11-21 16:04:46,951 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:46,951 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 44 [2024-11-21 16:04:46,951 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:46,952 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 86 [2024-11-21 16:04:47,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:04:47,029 INFO L85 PathProgramCache]: Analyzing trace with hash -157442062, now seen corresponding path program 1 times [2024-11-21 16:04:47,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:04:47,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816140609] [2024-11-21 16:04:47,029 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:47,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:47,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 16:04:47,410 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-21 16:04:47,410 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-21 16:04:47,410 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 185 [2024-11-21 16:04:47,433 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:04:47,433 INFO L85 PathProgramCache]: Analyzing trace with hash 173873529, now seen corresponding path program 1 times [2024-11-21 16:04:47,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:04:47,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622420080] [2024-11-21 16:04:47,434 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:47,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:47,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:48,415 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 207 proven. 38 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2024-11-21 16:04:48,415 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:04:48,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622420080] [2024-11-21 16:04:48,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622420080] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:48,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [971397135] [2024-11-21 16:04:48,415 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:48,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:48,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:48,517 INFO L256 TraceCheckSpWp]: Trace formula consists of 955 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-21 16:04:48,520 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:04:49,141 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 224 proven. 21 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2024-11-21 16:04:49,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [971397135] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:49,142 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:04:49,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 38 [2024-11-21 16:04:49,143 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:04:49,143 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 192 [2024-11-21 16:04:49,143 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:04:49,143 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 196 [2024-11-21 16:04:49,143 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:04:49,143 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 198 [2024-11-21 16:04:49,143 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:04:49,146 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 202 [2024-11-21 16:04:49,146 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:04:49,146 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 16:04:49,146 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:04:49,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:04:49,146 INFO L85 PathProgramCache]: Analyzing trace with hash -2117220677, now seen corresponding path program 9 times [2024-11-21 16:04:49,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:04:49,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993220965] [2024-11-21 16:04:49,146 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:49,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:49,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:50,313 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 178 proven. 132 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-11-21 16:04:50,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:04:50,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993220965] [2024-11-21 16:04:50,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993220965] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:50,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [624595810] [2024-11-21 16:04:50,313 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-21 16:04:50,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:04:50,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:04:50,315 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 16:04:50,316 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-21 16:04:50,633 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-21 16:04:50,634 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 16:04:50,636 INFO L256 TraceCheckSpWp]: Trace formula consists of 620 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-21 16:04:50,638 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:04:51,091 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 21 proven. 18 refuted. 0 times theorem prover too weak. 347 trivial. 0 not checked. [2024-11-21 16:04:51,091 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:04:51,206 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2024-11-21 16:04:51,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [624595810] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:04:51,206 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:04:51,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 12, 6] total 43 [2024-11-21 16:04:51,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133630582] [2024-11-21 16:04:51,207 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:04:51,207 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-11-21 16:04:51,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:04:51,208 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-11-21 16:04:51,208 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=234, Invalid=1572, Unknown=0, NotChecked=0, Total=1806 [2024-11-21 16:04:51,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:04:51,208 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:04:51,209 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 6.813953488372093) internal successors, (293), 43 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 16:04:51,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:51,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:51,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:04:51,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:04:51,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 16:04:51,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 16:04:51,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:04:51,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:04:51,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:04:51,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:04:51,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:04:51,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:04:51,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-21 16:04:51,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-21 16:04:51,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:04:51,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-21 16:04:51,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:04:53,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:53,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:53,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:04:53,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:04:53,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 16:04:53,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 16:04:53,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:04:53,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:04:53,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:04:53,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:04:53,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:04:53,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:04:53,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-21 16:04:53,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-21 16:04:53,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:04:53,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-21 16:04:53,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-11-21 16:04:53,776 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-21 16:04:53,963 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,SelfDestructingSolverStorable74,SelfDestructingSolverStorable75,SelfDestructingSolverStorable76,SelfDestructingSolverStorable77 [2024-11-21 16:04:53,963 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-21 16:04:53,963 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:04:53,963 INFO L139 ounterexampleChecker]: Examining path program with hash 111671640, occurence #1 [2024-11-21 16:04:53,963 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 16:04:53,963 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:04:53,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:04:53,964 INFO L85 PathProgramCache]: Analyzing trace with hash 1413463485, now seen corresponding path program 10 times [2024-11-21 16:04:53,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:04:53,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766422891] [2024-11-21 16:04:53,964 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:53,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:54,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:54,557 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 13 proven. 78 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2024-11-21 16:04:54,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:04:54,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766422891] [2024-11-21 16:04:54,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766422891] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:54,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [613183171] [2024-11-21 16:04:54,557 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-21 16:04:54,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:04:54,558 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:04:54,561 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 16:04:54,562 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-21 16:04:55,084 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-21 16:04:55,084 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 16:04:55,096 INFO L256 TraceCheckSpWp]: Trace formula consists of 934 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-21 16:04:55,103 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:04:55,431 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 13 proven. 78 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2024-11-21 16:04:55,431 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:04:56,040 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 9 proven. 130 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-21 16:04:56,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [613183171] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:04:56,040 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:04:56,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 20] total 23 [2024-11-21 16:04:56,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504440563] [2024-11-21 16:04:56,041 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:04:56,041 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-21 16:04:56,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:04:56,042 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-21 16:04:56,042 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=228, Invalid=324, Unknown=0, NotChecked=0, Total=552 [2024-11-21 16:04:56,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:04:56,043 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:04:56,043 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 8.541666666666666) internal successors, (205), 23 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 16:04:56,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:56,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:56,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:04:56,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:04:56,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 16:04:56,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 16:04:56,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:04:56,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:04:56,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:04:56,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:04:56,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:04:56,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:04:56,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-21 16:04:56,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-21 16:04:56,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:04:56,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-21 16:04:56,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-11-21 16:04:56,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:04:56,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:56,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:04:56,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:04:56,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:04:56,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 16:04:56,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 16:04:56,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:04:56,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:04:56,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:04:56,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:04:56,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:04:56,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:04:56,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-21 16:04:56,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-21 16:04:56,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:04:56,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-21 16:04:56,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-11-21 16:04:56,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:04:56,875 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-21 16:04:57,061 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78,18 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:04:57,062 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-21 16:04:57,062 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:04:57,062 INFO L139 ounterexampleChecker]: Examining path program with hash -1472641919, occurence #1 [2024-11-21 16:04:57,062 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 16:04:57,062 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:04:57,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:04:57,063 INFO L85 PathProgramCache]: Analyzing trace with hash -2034456421, now seen corresponding path program 11 times [2024-11-21 16:04:57,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:04:57,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499137138] [2024-11-21 16:04:57,063 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:04:57,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:04:57,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:04:58,108 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 129 proven. 34 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-11-21 16:04:58,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:04:58,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499137138] [2024-11-21 16:04:58,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499137138] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:04:58,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1779892915] [2024-11-21 16:04:58,108 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-21 16:04:58,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:04:58,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:04:58,110 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 16:04:58,111 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-21 16:05:54,350 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2024-11-21 16:05:54,350 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 16:05:54,376 INFO L256 TraceCheckSpWp]: Trace formula consists of 954 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-21 16:05:54,379 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:05:54,530 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 6 proven. 46 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-21 16:05:54,531 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:05:54,817 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 6 proven. 47 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2024-11-21 16:05:54,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1779892915] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:05:54,818 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:05:54,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 5, 7] total 29 [2024-11-21 16:05:54,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096677881] [2024-11-21 16:05:54,818 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:05:54,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-11-21 16:05:54,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:05:54,819 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-11-21 16:05:54,820 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=152, Invalid=718, Unknown=0, NotChecked=0, Total=870 [2024-11-21 16:05:54,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:05:54,820 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:05:54,820 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 7.966666666666667) internal successors, (239), 29 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 16:05:54,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:05:54,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:05:54,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:05:54,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:05:54,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 16:05:54,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 16:05:54,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:05:54,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:05:54,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:05:54,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:05:54,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:05:54,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:05:54,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-21 16:05:54,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-21 16:05:54,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:05:54,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-21 16:05:54,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-11-21 16:05:54,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:05:54,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:05:58,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:05:58,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:05:58,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:05:58,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:05:58,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 16:05:58,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 16:05:58,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:05:58,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:05:58,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:05:58,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:05:58,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:05:58,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:05:58,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-21 16:05:58,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-21 16:05:58,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:05:58,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-21 16:05:58,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-11-21 16:05:58,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:05:58,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-11-21 16:05:58,117 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-21 16:05:58,284 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable79 [2024-11-21 16:05:58,284 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-21 16:05:58,284 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:05:58,284 INFO L139 ounterexampleChecker]: Examining path program with hash -1798187487, occurence #1 [2024-11-21 16:05:58,285 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 16:05:58,285 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:05:58,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:05:58,285 INFO L85 PathProgramCache]: Analyzing trace with hash 1135882347, now seen corresponding path program 12 times [2024-11-21 16:05:58,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:05:58,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521342438] [2024-11-21 16:05:58,285 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:05:58,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:05:58,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:06:00,312 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 201 proven. 495 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-21 16:06:00,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:06:00,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521342438] [2024-11-21 16:06:00,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521342438] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:06:00,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [132637195] [2024-11-21 16:06:00,313 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-21 16:06:00,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:06:00,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:06:00,315 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 16:06:00,315 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-21 16:06:00,680 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2024-11-21 16:06:00,680 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 16:06:00,684 INFO L256 TraceCheckSpWp]: Trace formula consists of 629 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-21 16:06:00,687 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:06:00,849 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1005 trivial. 0 not checked. [2024-11-21 16:06:00,849 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:06:00,942 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1005 trivial. 0 not checked. [2024-11-21 16:06:00,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [132637195] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:06:00,942 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:06:00,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 7, 5] total 38 [2024-11-21 16:06:00,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639653554] [2024-11-21 16:06:00,943 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:06:00,943 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2024-11-21 16:06:00,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:06:00,944 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2024-11-21 16:06:00,944 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=249, Invalid=1157, Unknown=0, NotChecked=0, Total=1406 [2024-11-21 16:06:00,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:06:00,945 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:06:00,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 7.368421052631579) internal successors, (280), 38 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 16:06:00,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:06:00,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:06:00,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:06:00,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:06:00,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 16:06:00,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 16:06:00,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:06:00,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:06:00,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:06:00,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:06:00,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:06:00,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:06:00,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-21 16:06:00,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-21 16:06:00,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:06:00,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-21 16:06:00,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-11-21 16:06:00,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:06:00,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-11-21 16:06:00,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:06:03,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:06:03,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:06:03,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:06:03,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:06:03,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 16:06:03,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 16:06:03,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:06:03,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:06:03,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:06:03,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:06:03,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:06:03,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:06:03,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-21 16:06:03,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-21 16:06:03,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:06:03,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-21 16:06:03,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-11-21 16:06:03,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:06:03,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-11-21 16:06:03,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-11-21 16:06:03,600 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-21 16:06:03,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable80 [2024-11-21 16:06:03,782 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-21 16:06:03,782 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:06:03,782 INFO L139 ounterexampleChecker]: Examining path program with hash -1041033859, occurence #1 [2024-11-21 16:06:03,782 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 16:06:03,782 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:06:03,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:06:03,783 INFO L85 PathProgramCache]: Analyzing trace with hash 178529483, now seen corresponding path program 13 times [2024-11-21 16:06:03,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:06:03,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170168653] [2024-11-21 16:06:03,783 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:06:03,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:06:03,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:06:05,779 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 124 proven. 502 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2024-11-21 16:06:05,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:06:05,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170168653] [2024-11-21 16:06:05,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170168653] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:06:05,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1900704088] [2024-11-21 16:06:05,780 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-21 16:06:05,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:06:05,780 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:06:05,782 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 16:06:05,783 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-21 16:06:06,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:06:06,263 INFO L256 TraceCheckSpWp]: Trace formula consists of 1761 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-21 16:06:06,266 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:06:07,095 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 527 proven. 55 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2024-11-21 16:06:07,095 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:06:07,985 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 446 proven. 136 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2024-11-21 16:06:07,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1900704088] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:06:07,985 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:06:07,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 24, 24] total 75 [2024-11-21 16:06:07,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342749496] [2024-11-21 16:06:07,985 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:06:07,986 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 75 states [2024-11-21 16:06:07,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:06:07,987 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2024-11-21 16:06:07,988 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=762, Invalid=4788, Unknown=0, NotChecked=0, Total=5550 [2024-11-21 16:06:07,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:06:07,988 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:06:07,988 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 75 states, 75 states have (on average 7.16) internal successors, (537), 75 states have internal predecessors, (537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 16:06:07,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:06:07,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:06:07,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:06:07,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:06:07,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 16:06:07,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 16:06:07,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:06:07,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:06:07,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:06:07,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:06:07,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:06:07,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:06:07,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-21 16:06:07,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-21 16:06:07,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:06:07,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-21 16:06:07,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-11-21 16:06:07,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:06:07,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-11-21 16:06:07,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-11-21 16:06:07,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:06:08,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:06:08,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:06:08,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:06:08,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:06:08,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 16:06:08,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 16:06:08,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:06:08,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:06:08,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:06:08,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:06:08,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:06:08,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:06:08,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-21 16:06:08,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-21 16:06:08,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:06:08,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-21 16:06:08,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-11-21 16:06:08,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:06:08,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-11-21 16:06:08,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-11-21 16:06:08,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-21 16:06:08,596 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-21 16:06:08,778 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81,21 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:06:08,778 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-21 16:06:08,778 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:06:08,779 INFO L139 ounterexampleChecker]: Examining path program with hash -1041033859, occurence #2 [2024-11-21 16:06:08,779 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:06:08,779 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 16:06:08,779 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:06:08,779 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-11-21 16:06:08,779 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:06:08,779 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-21 16:06:08,779 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:06:08,779 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2024-11-21 16:06:08,779 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:06:08,779 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2024-11-21 16:06:08,779 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:06:08,779 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 49 [2024-11-21 16:06:08,779 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:06:08,779 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 102 [2024-11-21 16:06:08,839 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:06:08,839 INFO L85 PathProgramCache]: Analyzing trace with hash 376668541, now seen corresponding path program 1 times [2024-11-21 16:06:08,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:06:08,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872111733] [2024-11-21 16:06:08,839 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:06:08,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:06:09,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 16:06:09,402 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-21 16:06:09,403 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-21 16:06:09,403 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 177 is hopeless, skipping. [2024-11-21 16:06:09,403 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 298 is hopeless, skipping. [2024-11-21 16:06:09,403 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 323 is hopeless, skipping. [2024-11-21 16:06:09,403 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 332 [2024-11-21 16:06:09,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:06:09,428 INFO L85 PathProgramCache]: Analyzing trace with hash -648767818, now seen corresponding path program 1 times [2024-11-21 16:06:09,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:06:09,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532255218] [2024-11-21 16:06:09,428 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:06:09,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:06:09,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:06:11,557 INFO L134 CoverageAnalysis]: Checked inductivity of 822 backedges. 137 proven. 510 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2024-11-21 16:06:11,557 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:06:11,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532255218] [2024-11-21 16:06:11,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532255218] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:06:11,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1551680198] [2024-11-21 16:06:11,558 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:06:11,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:06:11,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:06:11,697 INFO L256 TraceCheckSpWp]: Trace formula consists of 1506 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-21 16:06:11,700 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:06:13,010 INFO L134 CoverageAnalysis]: Checked inductivity of 822 backedges. 408 proven. 239 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2024-11-21 16:06:13,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1551680198] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:06:13,010 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:06:13,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33] total 64 [2024-11-21 16:06:13,011 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:06:13,011 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 358 [2024-11-21 16:06:13,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:06:13,063 INFO L85 PathProgramCache]: Analyzing trace with hash 2114933740, now seen corresponding path program 1 times [2024-11-21 16:06:13,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:06:13,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785698793] [2024-11-21 16:06:13,063 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:06:13,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:06:13,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:06:14,984 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 137 proven. 510 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2024-11-21 16:06:14,984 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:06:14,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785698793] [2024-11-21 16:06:14,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785698793] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:06:14,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [980995401] [2024-11-21 16:06:14,984 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:06:14,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:06:15,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:06:15,131 INFO L256 TraceCheckSpWp]: Trace formula consists of 1601 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-21 16:06:15,134 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:06:16,467 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 408 proven. 239 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2024-11-21 16:06:16,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [980995401] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:06:16,467 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:06:16,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33] total 64 [2024-11-21 16:06:16,467 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:06:16,467 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 364 [2024-11-21 16:06:16,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:06:16,503 INFO L85 PathProgramCache]: Analyzing trace with hash -1450277427, now seen corresponding path program 1 times [2024-11-21 16:06:16,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:06:16,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966119155] [2024-11-21 16:06:16,503 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:06:16,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:06:16,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:06:18,678 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 137 proven. 510 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2024-11-21 16:06:18,678 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:06:18,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966119155] [2024-11-21 16:06:18,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966119155] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:06:18,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1608765044] [2024-11-21 16:06:18,678 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:06:18,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:06:18,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:06:18,827 INFO L256 TraceCheckSpWp]: Trace formula consists of 1637 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-21 16:06:18,830 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:06:20,184 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 408 proven. 239 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2024-11-21 16:06:20,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1608765044] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:06:20,184 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:06:20,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33] total 64 [2024-11-21 16:06:20,184 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:06:20,184 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 374 [2024-11-21 16:06:20,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:06:20,220 INFO L85 PathProgramCache]: Analyzing trace with hash -653168697, now seen corresponding path program 1 times [2024-11-21 16:06:20,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:06:20,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001696635] [2024-11-21 16:06:20,220 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:06:20,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:06:20,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:06:22,254 INFO L134 CoverageAnalysis]: Checked inductivity of 893 backedges. 137 proven. 510 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2024-11-21 16:06:22,254 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:06:22,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001696635] [2024-11-21 16:06:22,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001696635] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:06:22,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1948948829] [2024-11-21 16:06:22,255 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:06:22,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:06:22,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:06:22,436 INFO L256 TraceCheckSpWp]: Trace formula consists of 1676 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-21 16:06:22,439 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:06:23,743 INFO L134 CoverageAnalysis]: Checked inductivity of 893 backedges. 408 proven. 239 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2024-11-21 16:06:23,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1948948829] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:06:23,744 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:06:23,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33] total 64 [2024-11-21 16:06:23,744 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:06:23,744 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 385 is hopeless, skipping. [2024-11-21 16:06:23,744 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 395 [2024-11-21 16:06:23,744 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:06:23,744 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 396 [2024-11-21 16:06:23,744 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:06:23,744 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 16:06:23,744 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:06:23,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:06:23,745 INFO L85 PathProgramCache]: Analyzing trace with hash -1519490551, now seen corresponding path program 14 times [2024-11-21 16:06:23,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:06:23,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470427146] [2024-11-21 16:06:23,745 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:06:23,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:06:23,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:06:25,861 INFO L134 CoverageAnalysis]: Checked inductivity of 926 backedges. 137 proven. 510 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2024-11-21 16:06:25,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:06:25,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470427146] [2024-11-21 16:06:25,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [470427146] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:06:25,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [761198167] [2024-11-21 16:06:25,861 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 16:06:25,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:06:25,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:06:25,863 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 16:06:25,864 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-21 16:06:26,453 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-21 16:06:26,453 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 16:06:26,461 INFO L256 TraceCheckSpWp]: Trace formula consists of 1779 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-21 16:06:26,465 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:06:27,583 INFO L134 CoverageAnalysis]: Checked inductivity of 926 backedges. 485 proven. 140 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2024-11-21 16:06:27,583 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:06:28,918 INFO L134 CoverageAnalysis]: Checked inductivity of 926 backedges. 518 proven. 107 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2024-11-21 16:06:28,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [761198167] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:06:28,918 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:06:28,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 27, 27] total 85 [2024-11-21 16:06:28,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419898219] [2024-11-21 16:06:28,919 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:06:28,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2024-11-21 16:06:28,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:06:28,921 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2024-11-21 16:06:28,923 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1082, Invalid=6058, Unknown=0, NotChecked=0, Total=7140 [2024-11-21 16:06:28,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:06:28,923 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:06:28,924 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 85 states have (on average 7.070588235294117) internal successors, (601), 85 states have internal predecessors, (601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 16:06:28,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:06:28,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:06:28,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:06:28,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:06:28,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 16:06:28,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 16:06:28,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:06:28,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:06:28,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:06:28,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:06:28,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:06:28,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:06:28,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-21 16:06:28,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-21 16:06:28,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:06:28,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-21 16:06:28,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-11-21 16:06:28,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:06:28,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-11-21 16:06:28,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-11-21 16:06:28,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-11-21 16:06:28,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:06:30,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:06:30,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:06:30,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:06:30,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:06:30,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 16:06:30,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 16:06:30,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:06:30,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:06:30,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:06:30,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:06:30,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:06:30,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:06:30,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-21 16:06:30,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-21 16:06:30,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:06:30,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-21 16:06:30,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-11-21 16:06:30,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:06:30,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-11-21 16:06:30,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-11-21 16:06:30,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-21 16:06:30,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-21 16:06:30,594 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-11-21 16:06:30,779 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90,SelfDestructingSolverStorable91,SelfDestructingSolverStorable82,SelfDestructingSolverStorable83,SelfDestructingSolverStorable84,22 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable85,SelfDestructingSolverStorable86,SelfDestructingSolverStorable87,SelfDestructingSolverStorable88,SelfDestructingSolverStorable89 [2024-11-21 16:06:30,779 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-21 16:06:30,779 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:06:30,780 INFO L139 ounterexampleChecker]: Examining path program with hash -1041033859, occurence #3 [2024-11-21 16:06:30,780 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:06:30,780 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 16:06:30,780 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:06:30,780 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2024-11-21 16:06:30,780 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:06:30,780 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2024-11-21 16:06:30,780 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:06:30,780 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2024-11-21 16:06:30,780 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:06:30,780 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 47 [2024-11-21 16:06:30,780 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:06:30,780 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2024-11-21 16:06:30,780 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:06:30,780 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 104 [2024-11-21 16:06:30,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:06:30,835 INFO L85 PathProgramCache]: Analyzing trace with hash -430751528, now seen corresponding path program 1 times [2024-11-21 16:06:30,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:06:30,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587250372] [2024-11-21 16:06:30,835 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:06:30,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:06:30,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 16:06:30,963 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-21 16:06:30,963 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-21 16:06:30,963 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 179 is hopeless, skipping. [2024-11-21 16:06:30,963 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 300 is hopeless, skipping. [2024-11-21 16:06:30,964 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 325 is hopeless, skipping. [2024-11-21 16:06:30,964 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 334 [2024-11-21 16:06:30,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:06:30,985 INFO L85 PathProgramCache]: Analyzing trace with hash -1300617327, now seen corresponding path program 1 times [2024-11-21 16:06:30,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:06:30,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000604395] [2024-11-21 16:06:30,985 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:06:30,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:06:31,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:06:33,067 INFO L134 CoverageAnalysis]: Checked inductivity of 850 backedges. 148 proven. 547 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2024-11-21 16:06:33,067 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:06:33,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000604395] [2024-11-21 16:06:33,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000604395] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:06:33,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1883964975] [2024-11-21 16:06:33,067 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:06:33,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:06:33,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:06:33,207 INFO L256 TraceCheckSpWp]: Trace formula consists of 1524 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-21 16:06:33,210 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:06:34,634 INFO L134 CoverageAnalysis]: Checked inductivity of 850 backedges. 396 proven. 299 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2024-11-21 16:06:34,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1883964975] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:06:34,635 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:06:34,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35] total 68 [2024-11-21 16:06:34,635 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:06:34,635 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 360 [2024-11-21 16:06:34,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:06:34,686 INFO L85 PathProgramCache]: Analyzing trace with hash -1500818617, now seen corresponding path program 1 times [2024-11-21 16:06:34,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:06:34,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540038063] [2024-11-21 16:06:34,686 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:06:34,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:06:34,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:06:36,729 INFO L134 CoverageAnalysis]: Checked inductivity of 889 backedges. 148 proven. 547 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2024-11-21 16:06:36,729 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:06:36,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540038063] [2024-11-21 16:06:36,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540038063] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:06:36,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1519275288] [2024-11-21 16:06:36,729 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:06:36,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:06:36,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:06:36,879 INFO L256 TraceCheckSpWp]: Trace formula consists of 1619 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-21 16:06:36,882 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:06:38,304 INFO L134 CoverageAnalysis]: Checked inductivity of 889 backedges. 396 proven. 299 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2024-11-21 16:06:38,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1519275288] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:06:38,304 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:06:38,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35] total 68 [2024-11-21 16:06:38,304 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:06:38,305 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 366 [2024-11-21 16:06:38,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:06:38,339 INFO L85 PathProgramCache]: Analyzing trace with hash 1855037096, now seen corresponding path program 1 times [2024-11-21 16:06:38,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:06:38,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914556687] [2024-11-21 16:06:38,339 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:06:38,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:06:38,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:06:40,272 INFO L134 CoverageAnalysis]: Checked inductivity of 889 backedges. 148 proven. 547 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2024-11-21 16:06:40,272 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:06:40,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914556687] [2024-11-21 16:06:40,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914556687] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:06:40,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [35538544] [2024-11-21 16:06:40,272 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:06:40,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:06:40,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:06:40,430 INFO L256 TraceCheckSpWp]: Trace formula consists of 1655 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-21 16:06:40,434 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:06:41,636 INFO L134 CoverageAnalysis]: Checked inductivity of 889 backedges. 396 proven. 299 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2024-11-21 16:06:41,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [35538544] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:06:41,636 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:06:41,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35] total 68 [2024-11-21 16:06:41,636 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:06:41,636 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 376 [2024-11-21 16:06:41,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:06:41,671 INFO L85 PathProgramCache]: Analyzing trace with hash 1758671650, now seen corresponding path program 1 times [2024-11-21 16:06:41,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:06:41,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988765714] [2024-11-21 16:06:41,671 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:06:41,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:06:41,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:06:43,746 INFO L134 CoverageAnalysis]: Checked inductivity of 921 backedges. 148 proven. 547 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2024-11-21 16:06:43,746 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:06:43,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988765714] [2024-11-21 16:06:43,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1988765714] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:06:43,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [682318181] [2024-11-21 16:06:43,747 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:06:43,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:06:43,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:06:43,966 INFO L256 TraceCheckSpWp]: Trace formula consists of 1694 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-21 16:06:43,969 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:06:45,389 INFO L134 CoverageAnalysis]: Checked inductivity of 921 backedges. 396 proven. 299 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2024-11-21 16:06:45,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [682318181] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:06:45,389 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:06:45,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35] total 68 [2024-11-21 16:06:45,389 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:06:45,389 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 387 is hopeless, skipping. [2024-11-21 16:06:45,389 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 397 [2024-11-21 16:06:45,389 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:06:45,389 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 398 [2024-11-21 16:06:45,389 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:06:45,389 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 16:06:45,389 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:06:45,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:06:45,390 INFO L85 PathProgramCache]: Analyzing trace with hash 616685835, now seen corresponding path program 15 times [2024-11-21 16:06:45,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:06:45,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017104700] [2024-11-21 16:06:45,390 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:06:45,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:06:45,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:06:47,637 INFO L134 CoverageAnalysis]: Checked inductivity of 954 backedges. 148 proven. 547 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2024-11-21 16:06:47,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:06:47,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017104700] [2024-11-21 16:06:47,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017104700] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:06:47,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1966356354] [2024-11-21 16:06:47,637 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-21 16:06:47,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:06:47,638 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:06:47,639 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 16:06:47,640 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-21 16:07:12,312 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-11-21 16:07:12,312 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 16:07:12,334 INFO L256 TraceCheckSpWp]: Trace formula consists of 1712 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-21 16:07:12,338 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:07:13,440 INFO L134 CoverageAnalysis]: Checked inductivity of 954 backedges. 197 proven. 78 refuted. 0 times theorem prover too weak. 679 trivial. 0 not checked. [2024-11-21 16:07:13,440 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:07:14,634 INFO L134 CoverageAnalysis]: Checked inductivity of 954 backedges. 115 proven. 160 refuted. 0 times theorem prover too weak. 679 trivial. 0 not checked. [2024-11-21 16:07:14,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1966356354] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:07:14,634 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:07:14,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 28, 28] total 87 [2024-11-21 16:07:14,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643834186] [2024-11-21 16:07:14,634 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:07:14,635 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 87 states [2024-11-21 16:07:14,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:07:14,636 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2024-11-21 16:07:14,638 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1006, Invalid=6476, Unknown=0, NotChecked=0, Total=7482 [2024-11-21 16:07:14,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:07:14,638 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:07:14,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 87 states, 87 states have (on average 6.022988505747127) internal successors, (524), 87 states have internal predecessors, (524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 16:07:14,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:07:14,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:07:14,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:07:14,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:07:14,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 16:07:14,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 16:07:14,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:07:14,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:07:14,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:07:14,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:07:14,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:07:14,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:07:14,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-21 16:07:14,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-21 16:07:14,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:07:14,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-21 16:07:14,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-11-21 16:07:14,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:07:14,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-11-21 16:07:14,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-11-21 16:07:14,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-11-21 16:07:14,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-11-21 16:07:14,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:07:15,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:07:15,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:07:15,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:07:15,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:07:15,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 16:07:15,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 16:07:15,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:07:15,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:07:15,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:07:15,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:07:15,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:07:15,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:07:15,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-21 16:07:15,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-21 16:07:15,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:07:15,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-21 16:07:15,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-11-21 16:07:15,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:07:15,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-11-21 16:07:15,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-11-21 16:07:15,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-21 16:07:15,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-21 16:07:15,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-21 16:07:15,238 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-11-21 16:07:15,412 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92,SelfDestructingSolverStorable93,SelfDestructingSolverStorable94,SelfDestructingSolverStorable95,23 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable96,SelfDestructingSolverStorable97,SelfDestructingSolverStorable98,SelfDestructingSolverStorable99,SelfDestructingSolverStorable100,SelfDestructingSolverStorable101 [2024-11-21 16:07:15,412 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-21 16:07:15,412 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:07:15,413 INFO L139 ounterexampleChecker]: Examining path program with hash -1041033859, occurence #4 [2024-11-21 16:07:15,413 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:07:15,413 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 16:07:15,413 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:07:15,413 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-11-21 16:07:15,413 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:07:15,413 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2024-11-21 16:07:15,413 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:07:15,413 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2024-11-21 16:07:15,413 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:07:15,413 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 49 [2024-11-21 16:07:15,413 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:07:15,413 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-11-21 16:07:15,413 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:07:15,413 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 106 [2024-11-21 16:07:15,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:07:15,472 INFO L85 PathProgramCache]: Analyzing trace with hash 1251575017, now seen corresponding path program 1 times [2024-11-21 16:07:15,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:07:15,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279610615] [2024-11-21 16:07:15,473 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:07:15,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:07:16,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 16:07:16,266 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-21 16:07:16,266 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-21 16:07:16,267 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 181 is hopeless, skipping. [2024-11-21 16:07:16,267 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 302 is hopeless, skipping. [2024-11-21 16:07:16,267 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 327 is hopeless, skipping. [2024-11-21 16:07:16,267 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 336 [2024-11-21 16:07:16,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:07:16,289 INFO L85 PathProgramCache]: Analyzing trace with hash 1097869858, now seen corresponding path program 1 times [2024-11-21 16:07:16,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:07:16,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874484492] [2024-11-21 16:07:16,290 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:07:16,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:07:16,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:07:18,264 INFO L134 CoverageAnalysis]: Checked inductivity of 880 backedges. 177 proven. 559 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-21 16:07:18,264 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:07:18,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874484492] [2024-11-21 16:07:18,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874484492] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:07:18,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1261841938] [2024-11-21 16:07:18,265 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:07:18,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:07:18,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:07:18,408 INFO L256 TraceCheckSpWp]: Trace formula consists of 1542 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-21 16:07:18,413 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:07:19,998 INFO L134 CoverageAnalysis]: Checked inductivity of 880 backedges. 346 proven. 390 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-21 16:07:19,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1261841938] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:07:19,998 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:07:19,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37] total 72 [2024-11-21 16:07:19,998 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:07:19,998 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 362 [2024-11-21 16:07:20,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:07:20,050 INFO L85 PathProgramCache]: Analyzing trace with hash -1957865640, now seen corresponding path program 1 times [2024-11-21 16:07:20,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:07:20,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637901493] [2024-11-21 16:07:20,050 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:07:20,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:07:20,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:07:22,163 INFO L134 CoverageAnalysis]: Checked inductivity of 919 backedges. 177 proven. 559 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2024-11-21 16:07:22,163 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:07:22,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637901493] [2024-11-21 16:07:22,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637901493] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:07:22,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [949928800] [2024-11-21 16:07:22,163 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:07:22,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:07:22,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:07:22,321 INFO L256 TraceCheckSpWp]: Trace formula consists of 1637 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-21 16:07:22,324 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:07:23,943 INFO L134 CoverageAnalysis]: Checked inductivity of 919 backedges. 346 proven. 390 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2024-11-21 16:07:23,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [949928800] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:07:23,943 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:07:23,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37] total 72 [2024-11-21 16:07:23,943 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:07:23,943 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 368 [2024-11-21 16:07:23,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:07:23,978 INFO L85 PathProgramCache]: Analyzing trace with hash 1015879993, now seen corresponding path program 1 times [2024-11-21 16:07:23,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:07:23,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492760675] [2024-11-21 16:07:23,978 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:07:23,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:07:24,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:07:26,182 INFO L134 CoverageAnalysis]: Checked inductivity of 919 backedges. 177 proven. 559 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2024-11-21 16:07:26,182 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:07:26,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492760675] [2024-11-21 16:07:26,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492760675] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:07:26,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [2124492686] [2024-11-21 16:07:26,183 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:07:26,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:07:26,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:07:26,347 INFO L256 TraceCheckSpWp]: Trace formula consists of 1673 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-21 16:07:26,350 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:07:27,933 INFO L134 CoverageAnalysis]: Checked inductivity of 919 backedges. 346 proven. 390 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2024-11-21 16:07:27,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [2124492686] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:07:27,933 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:07:27,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37] total 72 [2024-11-21 16:07:27,934 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:07:27,934 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 378 [2024-11-21 16:07:27,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:07:27,970 INFO L85 PathProgramCache]: Analyzing trace with hash -765398221, now seen corresponding path program 1 times [2024-11-21 16:07:27,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:07:27,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671193435] [2024-11-21 16:07:27,970 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:07:27,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:07:28,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:07:30,255 INFO L134 CoverageAnalysis]: Checked inductivity of 951 backedges. 177 proven. 559 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2024-11-21 16:07:30,255 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:07:30,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671193435] [2024-11-21 16:07:30,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671193435] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:07:30,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [536515655] [2024-11-21 16:07:30,255 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:07:30,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:07:30,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:07:30,490 INFO L256 TraceCheckSpWp]: Trace formula consists of 1712 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-21 16:07:30,493 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:07:32,070 INFO L134 CoverageAnalysis]: Checked inductivity of 951 backedges. 346 proven. 390 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2024-11-21 16:07:32,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [536515655] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:07:32,070 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:07:32,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37] total 72 [2024-11-21 16:07:32,070 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:07:32,070 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 389 is hopeless, skipping. [2024-11-21 16:07:32,070 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 399 [2024-11-21 16:07:32,070 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:07:32,070 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 400 [2024-11-21 16:07:32,070 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:07:32,070 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 16:07:32,070 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:07:32,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:07:32,071 INFO L85 PathProgramCache]: Analyzing trace with hash 1874804425, now seen corresponding path program 16 times [2024-11-21 16:07:32,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:07:32,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588513401] [2024-11-21 16:07:32,071 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:07:32,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:07:32,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:07:34,503 INFO L134 CoverageAnalysis]: Checked inductivity of 984 backedges. 177 proven. 559 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2024-11-21 16:07:34,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:07:34,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588513401] [2024-11-21 16:07:34,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588513401] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:07:34,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [124751966] [2024-11-21 16:07:34,503 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-21 16:07:34,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:07:34,504 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:07:34,505 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 16:07:34,506 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-21 16:07:35,131 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-21 16:07:35,131 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 16:07:35,139 INFO L256 TraceCheckSpWp]: Trace formula consists of 1815 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-21 16:07:35,143 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:07:36,428 INFO L134 CoverageAnalysis]: Checked inductivity of 984 backedges. 496 proven. 185 refuted. 0 times theorem prover too weak. 303 trivial. 0 not checked. [2024-11-21 16:07:36,429 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:07:37,935 INFO L134 CoverageAnalysis]: Checked inductivity of 984 backedges. 530 proven. 151 refuted. 0 times theorem prover too weak. 303 trivial. 0 not checked. [2024-11-21 16:07:37,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [124751966] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:07:37,935 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:07:37,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 31, 31] total 97 [2024-11-21 16:07:37,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074418926] [2024-11-21 16:07:37,936 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:07:37,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 97 states [2024-11-21 16:07:37,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:07:37,937 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2024-11-21 16:07:37,940 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1406, Invalid=7906, Unknown=0, NotChecked=0, Total=9312 [2024-11-21 16:07:37,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:07:37,940 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:07:37,940 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 97 states, 97 states have (on average 7.061855670103093) internal successors, (685), 97 states have internal predecessors, (685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 16:07:37,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:07:37,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:07:37,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:07:37,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:07:37,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 16:07:37,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 16:07:37,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:07:37,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:07:37,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:07:37,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:07:37,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:07:37,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:07:37,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-21 16:07:37,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-21 16:07:37,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:07:37,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-21 16:07:37,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-11-21 16:07:37,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:07:37,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-11-21 16:07:37,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-11-21 16:07:37,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-11-21 16:07:37,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-11-21 16:07:37,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-11-21 16:07:37,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:07:39,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:07:39,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:07:39,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:07:39,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:07:39,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 16:07:39,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 16:07:39,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:07:39,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:07:39,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:07:39,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:07:39,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:07:39,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 16:07:39,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-21 16:07:39,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-21 16:07:39,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 16:07:39,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-21 16:07:39,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-11-21 16:07:39,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:07:39,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-11-21 16:07:39,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-11-21 16:07:39,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-21 16:07:39,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-21 16:07:39,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-21 16:07:39,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-21 16:07:39,909 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-11-21 16:07:40,093 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110,SelfDestructingSolverStorable108,SelfDestructingSolverStorable109,SelfDestructingSolverStorable104,SelfDestructingSolverStorable105,24 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable106,SelfDestructingSolverStorable107,SelfDestructingSolverStorable111,SelfDestructingSolverStorable102,SelfDestructingSolverStorable103 [2024-11-21 16:07:40,093 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-21 16:07:40,093 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:07:40,093 INFO L139 ounterexampleChecker]: Examining path program with hash -1041033859, occurence #5 [2024-11-21 16:07:40,093 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:07:40,093 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 16:07:40,094 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:07:40,094 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-11-21 16:07:40,094 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:07:40,094 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2024-11-21 16:07:40,094 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:07:40,094 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 47 [2024-11-21 16:07:40,094 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:07:40,094 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2024-11-21 16:07:40,094 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:07:40,094 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-11-21 16:07:40,094 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:07:40,094 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2024-11-21 16:07:40,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:07:40,153 INFO L85 PathProgramCache]: Analyzing trace with hash 1412496580, now seen corresponding path program 1 times [2024-11-21 16:07:40,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:07:40,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899744237] [2024-11-21 16:07:40,153 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:07:40,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:07:41,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 16:07:41,107 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-21 16:07:41,108 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-21 16:07:41,108 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 183 is hopeless, skipping. [2024-11-21 16:07:41,108 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 304 is hopeless, skipping. [2024-11-21 16:07:41,108 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 329 is hopeless, skipping. [2024-11-21 16:07:41,108 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 338 [2024-11-21 16:07:41,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:07:41,131 INFO L85 PathProgramCache]: Analyzing trace with hash -1607265411, now seen corresponding path program 1 times [2024-11-21 16:07:41,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:07:41,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689132553] [2024-11-21 16:07:41,131 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:07:41,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:07:41,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:07:43,216 INFO L134 CoverageAnalysis]: Checked inductivity of 912 backedges. 220 proven. 544 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-21 16:07:43,216 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:07:43,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689132553] [2024-11-21 16:07:43,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1689132553] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:07:43,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [882542573] [2024-11-21 16:07:43,216 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:07:43,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:07:43,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:07:43,358 INFO L256 TraceCheckSpWp]: Trace formula consists of 1560 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-21 16:07:43,403 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:07:45,118 INFO L134 CoverageAnalysis]: Checked inductivity of 912 backedges. 299 proven. 465 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-21 16:07:45,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [882542573] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:07:45,118 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:07:45,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 39] total 76 [2024-11-21 16:07:45,118 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:07:45,118 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 364 [2024-11-21 16:07:45,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:07:45,176 INFO L85 PathProgramCache]: Analyzing trace with hash -982446285, now seen corresponding path program 1 times [2024-11-21 16:07:45,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:07:45,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981885989] [2024-11-21 16:07:45,176 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:07:45,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:07:45,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:07:47,473 INFO L134 CoverageAnalysis]: Checked inductivity of 951 backedges. 220 proven. 544 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2024-11-21 16:07:47,474 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:07:47,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981885989] [2024-11-21 16:07:47,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981885989] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:07:47,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [946972611] [2024-11-21 16:07:47,474 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:07:47,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:07:47,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:07:47,632 INFO L256 TraceCheckSpWp]: Trace formula consists of 1655 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-21 16:07:47,635 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:07:49,347 INFO L134 CoverageAnalysis]: Checked inductivity of 951 backedges. 299 proven. 465 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2024-11-21 16:07:49,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [946972611] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:07:49,347 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:07:49,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 39] total 76 [2024-11-21 16:07:49,348 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:07:49,348 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 370 [2024-11-21 16:07:49,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:07:49,383 INFO L85 PathProgramCache]: Analyzing trace with hash -408188268, now seen corresponding path program 1 times [2024-11-21 16:07:49,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:07:49,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501133171] [2024-11-21 16:07:49,384 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:07:49,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:07:49,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:07:51,742 INFO L134 CoverageAnalysis]: Checked inductivity of 951 backedges. 220 proven. 544 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2024-11-21 16:07:51,742 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:07:51,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501133171] [2024-11-21 16:07:51,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501133171] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:07:51,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [466958591] [2024-11-21 16:07:51,742 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:07:51,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:07:51,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:07:51,952 INFO L256 TraceCheckSpWp]: Trace formula consists of 1691 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-21 16:07:51,955 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:07:53,691 INFO L134 CoverageAnalysis]: Checked inductivity of 951 backedges. 299 proven. 465 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2024-11-21 16:07:53,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [466958591] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:07:53,691 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:07:53,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 39] total 76 [2024-11-21 16:07:53,691 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:07:53,691 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 380 [2024-11-21 16:07:53,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:07:53,727 INFO L85 PathProgramCache]: Analyzing trace with hash -1303810290, now seen corresponding path program 1 times [2024-11-21 16:07:53,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 16:07:53,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637836362] [2024-11-21 16:07:53,727 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:07:53,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:07:53,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:07:56,165 INFO L134 CoverageAnalysis]: Checked inductivity of 983 backedges. 220 proven. 544 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2024-11-21 16:07:56,165 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 16:07:56,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637836362] [2024-11-21 16:07:56,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637836362] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:07:56,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [2139765411] [2024-11-21 16:07:56,165 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:07:56,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:07:56,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:07:56,330 INFO L256 TraceCheckSpWp]: Trace formula consists of 1730 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-21 16:07:56,334 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:07:58,130 INFO L134 CoverageAnalysis]: Checked inductivity of 983 backedges. 299 proven. 465 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2024-11-21 16:07:58,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [2139765411] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:07:58,130 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 16:07:58,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 39] total 76 [2024-11-21 16:07:58,130 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 16:07:58,130 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 391 is hopeless, skipping. [2024-11-21 16:07:58,130 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 401 [2024-11-21 16:07:58,131 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:07:58,131 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 402 [2024-11-21 16:07:58,131 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:07:58,131 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 16:07:58,131 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:07:58,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:07:58,131 INFO L85 PathProgramCache]: Analyzing trace with hash -207327925, now seen corresponding path program 17 times [2024-11-21 16:07:58,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:07:58,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556430597] [2024-11-21 16:07:58,131 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:07:58,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:07:58,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:08:00,710 INFO L134 CoverageAnalysis]: Checked inductivity of 1016 backedges. 220 proven. 544 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2024-11-21 16:08:00,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:08:00,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556430597] [2024-11-21 16:08:00,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556430597] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:08:00,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [821213213] [2024-11-21 16:08:00,710 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-21 16:08:00,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:08:00,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:08:00,712 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 16:08:00,713 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process Killed by 15