./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt3.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-bad-buffer-mult-alt3.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 fdebcc32a5907a5601109dc3fb4ac7750aa88ce6953c83cffe48f47befc15286 --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT --- Real Ultimate output --- This is Ultimate 0.3.0-dev-1f73d82-m [2024-11-21 15:40:22,795 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-21 15:40:22,876 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-11-21 15:40:22,880 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-21 15:40:22,881 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-21 15:40:22,933 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-21 15:40:22,934 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-21 15:40:22,934 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-21 15:40:22,935 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-21 15:40:22,935 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-21 15:40:22,935 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-21 15:40:22,935 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-21 15:40:22,935 INFO L153 SettingsManager]: * Use SBE=true [2024-11-21 15:40:22,936 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-21 15:40:22,936 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-21 15:40:22,936 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-21 15:40:22,936 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-21 15:40:22,936 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-21 15:40:22,936 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-21 15:40:22,936 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-21 15:40:22,936 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-21 15:40:22,936 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-21 15:40:22,937 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-21 15:40:22,937 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-21 15:40:22,937 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-21 15:40:22,937 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-21 15:40:22,937 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-21 15:40:22,937 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-21 15:40:22,937 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-21 15:40:22,937 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-21 15:40:22,937 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-21 15:40:22,937 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-21 15:40:22,937 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-21 15:40:22,937 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-21 15:40:22,937 INFO L153 SettingsManager]: * Commutativity condition synthesis=SUFFICIENT [2024-11-21 15:40:22,938 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-21 15:40:22,938 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-21 15:40:22,938 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-11-21 15:40:22,938 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-21 15:40:22,938 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-21 15:40:22,938 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-21 15:40:22,938 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-21 15:40:22,938 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-21 15:40:22,938 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 -> fdebcc32a5907a5601109dc3fb4ac7750aa88ce6953c83cffe48f47befc15286 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NECESSARY_AND_SUFFICIENT [2024-11-21 15:40:23,219 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-21 15:40:23,228 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-21 15:40:23,231 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-21 15:40:23,232 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-21 15:40:23,232 INFO L274 PluginConnector]: CDTParser initialized [2024-11-21 15:40:23,233 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt3.wvr.c [2024-11-21 15:40:24,520 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/f613cc01b/50325eaa5bf444b78d2ef192acca7de6/FLAGeedf2abde [2024-11-21 15:40:24,772 INFO L384 CDTParser]: Found 1 translation units. [2024-11-21 15:40:24,774 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt3.wvr.c [2024-11-21 15:40:24,783 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/f613cc01b/50325eaa5bf444b78d2ef192acca7de6/FLAGeedf2abde [2024-11-21 15:40:25,086 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/f613cc01b/50325eaa5bf444b78d2ef192acca7de6 [2024-11-21 15:40:25,088 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-21 15:40:25,089 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-21 15:40:25,090 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-21 15:40:25,090 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-21 15:40:25,093 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-21 15:40:25,093 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 03:40:25" (1/1) ... [2024-11-21 15:40:25,094 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23ef7d0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:40:25, skipping insertion in model container [2024-11-21 15:40:25,094 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 03:40:25" (1/1) ... [2024-11-21 15:40:25,109 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-21 15:40:25,267 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-bad-buffer-mult-alt3.wvr.c[4345,4358] [2024-11-21 15:40:25,276 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 15:40:25,283 INFO L200 MainTranslator]: Completed pre-run [2024-11-21 15:40:25,312 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-bad-buffer-mult-alt3.wvr.c[4345,4358] [2024-11-21 15:40:25,320 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 15:40:25,338 INFO L204 MainTranslator]: Completed translation [2024-11-21 15:40:25,339 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:40:25 WrapperNode [2024-11-21 15:40:25,339 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-21 15:40:25,340 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-21 15:40:25,340 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-21 15:40:25,340 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-21 15:40:25,346 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:40:25" (1/1) ... [2024-11-21 15:40:25,355 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:40:25" (1/1) ... [2024-11-21 15:40:25,395 INFO L138 Inliner]: procedures = 25, calls = 59, calls flagged for inlining = 17, calls inlined = 21, statements flattened = 305 [2024-11-21 15:40:25,399 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-21 15:40:25,400 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-21 15:40:25,400 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-21 15:40:25,400 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-21 15:40:25,407 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:40:25" (1/1) ... [2024-11-21 15:40:25,407 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:40:25" (1/1) ... [2024-11-21 15:40:25,410 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:40:25" (1/1) ... [2024-11-21 15:40:25,413 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:40:25" (1/1) ... [2024-11-21 15:40:25,429 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:40:25" (1/1) ... [2024-11-21 15:40:25,431 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:40:25" (1/1) ... [2024-11-21 15:40:25,437 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:40:25" (1/1) ... [2024-11-21 15:40:25,439 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:40:25" (1/1) ... [2024-11-21 15:40:25,443 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:40:25" (1/1) ... [2024-11-21 15:40:25,446 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-21 15:40:25,447 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-21 15:40:25,447 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-21 15:40:25,447 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-21 15:40:25,448 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:40:25" (1/1) ... [2024-11-21 15:40:25,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-21 15:40:25,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:40:25,479 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-21 15:40:25,485 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-21 15:40:25,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-21 15:40:25,505 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-21 15:40:25,505 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-21 15:40:25,506 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-21 15:40:25,506 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-21 15:40:25,506 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-21 15:40:25,506 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-21 15:40:25,506 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-11-21 15:40:25,506 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-11-21 15:40:25,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-21 15:40:25,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-21 15:40:25,506 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-21 15:40:25,506 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-21 15:40:25,507 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-21 15:40:25,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-21 15:40:25,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-21 15:40:25,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-21 15:40:25,508 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-21 15:40:25,612 INFO L234 CfgBuilder]: Building ICFG [2024-11-21 15:40:25,614 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-21 15:40:26,066 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-21 15:40:26,066 INFO L283 CfgBuilder]: Performing block encoding [2024-11-21 15:40:26,422 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-21 15:40:26,423 INFO L312 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-21 15:40:26,424 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 03:40:26 BoogieIcfgContainer [2024-11-21 15:40:26,424 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-21 15:40:26,427 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-21 15:40:26,427 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-21 15:40:26,434 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-21 15:40:26,434 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 03:40:25" (1/3) ... [2024-11-21 15:40:26,434 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@508a173e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 03:40:26, skipping insertion in model container [2024-11-21 15:40:26,434 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:40:25" (2/3) ... [2024-11-21 15:40:26,435 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@508a173e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 03:40:26, skipping insertion in model container [2024-11-21 15:40:26,435 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 03:40:26" (3/3) ... [2024-11-21 15:40:26,436 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-bad-buffer-mult-alt3.wvr.c [2024-11-21 15:40:26,450 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-21 15:40:26,452 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-bad-buffer-mult-alt3.wvr.c that has 5 procedures, 45 locations, 1 initial locations, 6 loop locations, and 1 error locations. [2024-11-21 15:40:26,453 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-21 15:40:26,527 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-11-21 15:40:26,576 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 15:40:26,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-21 15:40:26,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:40:26,579 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-21 15:40:26,581 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-21 15:40:26,661 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-21 15:40:26,676 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-21 15:40:26,683 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;@5eb2514f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 15:40:26,683 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-11-21 15:40:28,160 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 15:40:28,161 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:40:28,162 INFO L139 ounterexampleChecker]: Examining path program with hash -1777775982, occurence #1 [2024-11-21 15:40:28,162 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 15:40:28,162 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:40:28,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:40:28,167 INFO L85 PathProgramCache]: Analyzing trace with hash -660511200, now seen corresponding path program 1 times [2024-11-21 15:40:28,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:40:28,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416413505] [2024-11-21 15:40:28,177 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:40:28,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:40:28,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:40:29,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:40:29,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:40:29,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416413505] [2024-11-21 15:40:29,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416413505] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 15:40:29,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 15:40:29,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-21 15:40:29,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625275695] [2024-11-21 15:40:29,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 15:40:29,630 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-21 15:40:29,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:40:29,648 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-21 15:40:29,648 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-21 15:40:29,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:40:29,651 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:40:29,653 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:40:29,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:40:29,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:40:29,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-21 15:40:29,805 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 15:40:29,805 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:40:29,806 INFO L139 ounterexampleChecker]: Examining path program with hash -1777775982, occurence #2 [2024-11-21 15:40:29,806 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:40:29,806 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:40:29,807 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:40:29,807 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2024-11-21 15:40:29,807 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:40:29,807 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-11-21 15:40:29,822 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:40:29,823 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-11-21 15:40:29,823 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:40:29,823 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-11-21 15:40:29,823 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:40:29,823 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-11-21 15:40:29,823 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:40:29,823 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 64 [2024-11-21 15:40:29,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:40:29,906 INFO L85 PathProgramCache]: Analyzing trace with hash -2081251874, now seen corresponding path program 1 times [2024-11-21 15:40:29,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:40:29,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258251687] [2024-11-21 15:40:29,907 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:40:29,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:40:29,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:40:30,196 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 15:40:30,196 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:40:30,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258251687] [2024-11-21 15:40:30,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258251687] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 15:40:30,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 15:40:30,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-21 15:40:30,198 INFO L172 ounterexampleChecker]: Successfully proved commutativity at non-minimality point 64. Constructing proof automaton... [2024-11-21 15:40:30,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 15:40:30,200 INFO L309 artialOrderCegarLoop]: Commutativity proof succeeded, skipping feasibility check. [2024-11-21 15:40:30,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-21 15:40:30,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SMTINTERPOL [2024-11-21 15:40:30,201 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-21 15:40:30,201 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-21 15:40:30,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:40:30,203 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:40:30,203 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:40:30,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:40:30,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:40:30,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:40:30,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:40:30,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-21 15:40:30,333 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 15:40:30,333 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:40:30,334 INFO L139 ounterexampleChecker]: Examining path program with hash -1777775982, occurence #3 [2024-11-21 15:40:30,334 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:40:30,335 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:40:30,335 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:40:30,335 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2024-11-21 15:40:30,335 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:40:30,335 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2024-11-21 15:40:30,335 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:40:30,335 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-11-21 15:40:30,336 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:40:30,336 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-21 15:40:30,336 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:40:30,336 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2024-11-21 15:40:30,336 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:40:30,336 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 65 [2024-11-21 15:40:30,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:40:30,402 INFO L85 PathProgramCache]: Analyzing trace with hash 1024381488, now seen corresponding path program 1 times [2024-11-21 15:40:30,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:40:30,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964402387] [2024-11-21 15:40:30,402 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:40:30,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:40:30,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:40:30,779 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 15:40:30,779 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:40:30,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964402387] [2024-11-21 15:40:30,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964402387] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:40:30,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1728085935] [2024-11-21 15:40:30,780 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:40:30,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:40:30,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:40:30,862 INFO L256 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-21 15:40:30,870 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:40:31,001 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 15:40:31,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1728085935] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:40:31,002 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:40:31,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-21 15:40:31,002 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:40:31,003 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 76 [2024-11-21 15:40:31,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:40:31,051 INFO L85 PathProgramCache]: Analyzing trace with hash -1604180001, now seen corresponding path program 1 times [2024-11-21 15:40:31,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:40:31,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881685211] [2024-11-21 15:40:31,052 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:40:31,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:40:31,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:40:31,433 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 15:40:31,433 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:40:31,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881685211] [2024-11-21 15:40:31,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881685211] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:40:31,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [35195296] [2024-11-21 15:40:31,433 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:40:31,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:40:31,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:40:31,506 INFO L256 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-21 15:40:31,508 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:40:31,650 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 15:40:31,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [35195296] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:40:31,651 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:40:31,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2024-11-21 15:40:31,652 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:40:31,652 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2024-11-21 15:40:31,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:40:31,745 INFO L85 PathProgramCache]: Analyzing trace with hash 1810025583, now seen corresponding path program 1 times [2024-11-21 15:40:31,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:40:31,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602926002] [2024-11-21 15:40:31,745 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:40:31,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:40:31,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:40:32,077 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 15:40:32,078 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:40:32,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602926002] [2024-11-21 15:40:32,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602926002] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:40:32,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1143610896] [2024-11-21 15:40:32,078 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:40:32,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:40:32,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:40:32,134 INFO L256 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-21 15:40:32,137 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:40:32,297 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 15:40:32,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1143610896] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:40:32,297 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:40:32,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-21 15:40:32,298 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:40:32,298 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 85 [2024-11-21 15:40:32,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:40:32,356 INFO L85 PathProgramCache]: Analyzing trace with hash -838943182, now seen corresponding path program 1 times [2024-11-21 15:40:32,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:40:32,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859797379] [2024-11-21 15:40:32,356 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:40:32,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:40:32,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:40:32,708 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 15:40:32,708 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:40:32,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859797379] [2024-11-21 15:40:32,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859797379] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:40:32,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1562347747] [2024-11-21 15:40:32,708 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:40:32,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:40:32,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:40:32,760 INFO L256 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-21 15:40:32,765 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:40:32,972 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 15:40:32,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1562347747] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:40:32,972 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:40:32,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2024-11-21 15:40:32,973 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:40:32,973 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 96 is hopeless, skipping. [2024-11-21 15:40:32,973 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 97 is hopeless, skipping. [2024-11-21 15:40:32,973 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 106 is hopeless, skipping. [2024-11-21 15:40:32,973 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2024-11-21 15:40:33,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:40:33,031 INFO L85 PathProgramCache]: Analyzing trace with hash 1481916936, now seen corresponding path program 1 times [2024-11-21 15:40:33,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:40:33,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825695628] [2024-11-21 15:40:33,031 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:40:33,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:40:33,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:40:33,515 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 15:40:33,515 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:40:33,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825695628] [2024-11-21 15:40:33,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825695628] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:40:33,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1137002843] [2024-11-21 15:40:33,516 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:40:33,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:40:33,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:40:33,598 INFO L256 TraceCheckSpWp]: Trace formula consists of 545 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-21 15:40:33,603 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:40:33,799 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 15:40:33,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1137002843] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:40:33,799 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:40:33,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-21 15:40:33,800 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:40:33,800 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 123 [2024-11-21 15:40:33,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:40:33,903 INFO L85 PathProgramCache]: Analyzing trace with hash -1351032371, now seen corresponding path program 1 times [2024-11-21 15:40:33,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:40:33,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767446174] [2024-11-21 15:40:33,903 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:40:33,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:40:33,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:40:34,300 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 15:40:34,300 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:40:34,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767446174] [2024-11-21 15:40:34,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767446174] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:40:34,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1232412534] [2024-11-21 15:40:34,301 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:40:34,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:40:34,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:40:34,374 INFO L256 TraceCheckSpWp]: Trace formula consists of 581 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-21 15:40:34,378 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:40:34,663 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 15:40:34,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1232412534] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:40:34,664 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:40:34,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-21 15:40:34,665 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:40:34,665 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 144 is hopeless, skipping. [2024-11-21 15:40:34,665 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 148 is hopeless, skipping. [2024-11-21 15:40:34,665 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 160 [2024-11-21 15:40:34,665 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:40:34,665 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:40:34,665 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:40:34,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:40:34,666 INFO L85 PathProgramCache]: Analyzing trace with hash 299575195, now seen corresponding path program 1 times [2024-11-21 15:40:34,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:40:34,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162358253] [2024-11-21 15:40:34,666 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:40:34,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:40:34,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:40:35,230 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 15:40:35,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:40:35,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162358253] [2024-11-21 15:40:35,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162358253] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:40:35,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [181267270] [2024-11-21 15:40:35,232 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:40:35,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:40:35,233 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:40:35,252 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:40:35,253 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-21 15:40:35,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:40:35,524 INFO L256 TraceCheckSpWp]: Trace formula consists of 752 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-21 15:40:35,527 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:40:35,647 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 15:40:35,647 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:40:35,815 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 15:40:35,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [181267270] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:40:35,816 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:40:35,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 13 [2024-11-21 15:40:35,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612854847] [2024-11-21 15:40:35,816 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:40:35,817 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-21 15:40:35,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:40:35,818 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-21 15:40:35,819 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2024-11-21 15:40:35,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:40:35,819 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:40:35,819 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 10.153846153846153) internal successors, (132), 13 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:40:35,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:40:35,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:40:35,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:40:36,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:40:36,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:40:36,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:40:36,112 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-21 15:40:36,295 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,SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable9,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14 [2024-11-21 15:40:36,295 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 15:40:36,295 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:40:36,295 INFO L139 ounterexampleChecker]: Examining path program with hash -1777775982, occurence #4 [2024-11-21 15:40:36,296 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:40:36,296 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:40:36,296 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:40:36,296 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2024-11-21 15:40:36,296 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:40:36,296 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-11-21 15:40:36,296 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:40:36,296 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-21 15:40:36,296 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:40:36,296 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-11-21 15:40:36,296 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:40:36,296 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-11-21 15:40:36,296 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:40:36,296 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 67 [2024-11-21 15:40:36,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:40:36,367 INFO L85 PathProgramCache]: Analyzing trace with hash 253156455, now seen corresponding path program 1 times [2024-11-21 15:40:36,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:40:36,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386434305] [2024-11-21 15:40:36,368 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:40:36,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:40:36,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:40:36,683 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-21 15:40:36,683 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:40:36,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386434305] [2024-11-21 15:40:36,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386434305] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:40:36,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1706903318] [2024-11-21 15:40:36,684 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:40:36,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:40:36,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:40:36,733 INFO L256 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-21 15:40:36,736 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:40:36,928 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-21 15:40:36,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1706903318] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:40:36,929 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:40:36,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2024-11-21 15:40:36,929 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:40:36,929 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 78 [2024-11-21 15:40:36,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:40:36,981 INFO L85 PathProgramCache]: Analyzing trace with hash -964901716, now seen corresponding path program 1 times [2024-11-21 15:40:36,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:40:36,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845514459] [2024-11-21 15:40:36,982 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:40:36,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:40:37,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:40:37,302 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-21 15:40:37,302 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:40:37,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845514459] [2024-11-21 15:40:37,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845514459] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:40:37,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [849451917] [2024-11-21 15:40:37,303 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:40:37,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:40:37,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:40:37,348 INFO L256 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-21 15:40:37,350 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:40:37,587 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-21 15:40:37,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [849451917] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:40:37,588 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:40:37,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2024-11-21 15:40:37,588 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:40:37,588 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 79 [2024-11-21 15:40:37,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:40:37,680 INFO L85 PathProgramCache]: Analyzing trace with hash 152815398, now seen corresponding path program 1 times [2024-11-21 15:40:37,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:40:37,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742857272] [2024-11-21 15:40:37,680 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:40:37,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:40:37,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:40:37,943 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-21 15:40:37,943 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:40:37,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742857272] [2024-11-21 15:40:37,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1742857272] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:40:37,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1903531799] [2024-11-21 15:40:37,944 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:40:37,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:40:37,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:40:37,997 INFO L256 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-21 15:40:37,998 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:40:38,231 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-21 15:40:38,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1903531799] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:40:38,232 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:40:38,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2024-11-21 15:40:38,233 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:40:38,233 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 87 [2024-11-21 15:40:38,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:40:38,291 INFO L85 PathProgramCache]: Analyzing trace with hash 398017513, now seen corresponding path program 1 times [2024-11-21 15:40:38,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:40:38,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400617504] [2024-11-21 15:40:38,292 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:40:38,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:40:38,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:40:38,581 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-21 15:40:38,581 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:40:38,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400617504] [2024-11-21 15:40:38,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400617504] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:40:38,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [284997670] [2024-11-21 15:40:38,581 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:40:38,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:40:38,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:40:38,628 INFO L256 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-21 15:40:38,650 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:40:38,874 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-21 15:40:38,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [284997670] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:40:38,874 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:40:38,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2024-11-21 15:40:38,874 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:40:38,874 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 98 is hopeless, skipping. [2024-11-21 15:40:38,875 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 99 is hopeless, skipping. [2024-11-21 15:40:38,875 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 108 is hopeless, skipping. [2024-11-21 15:40:38,875 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 116 [2024-11-21 15:40:38,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:40:38,928 INFO L85 PathProgramCache]: Analyzing trace with hash -2058454379, now seen corresponding path program 1 times [2024-11-21 15:40:38,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:40:38,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148738143] [2024-11-21 15:40:38,928 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:40:38,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:40:38,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:40:39,343 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-21 15:40:39,343 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:40:39,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148738143] [2024-11-21 15:40:39,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148738143] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:40:39,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1957738470] [2024-11-21 15:40:39,344 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:40:39,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:40:39,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:40:39,405 INFO L256 TraceCheckSpWp]: Trace formula consists of 563 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-21 15:40:39,408 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:40:39,684 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-21 15:40:39,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1957738470] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:40:39,684 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:40:39,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2024-11-21 15:40:39,684 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:40:39,685 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 125 [2024-11-21 15:40:39,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:40:39,779 INFO L85 PathProgramCache]: Analyzing trace with hash -339278908, now seen corresponding path program 1 times [2024-11-21 15:40:39,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:40:39,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374785406] [2024-11-21 15:40:39,779 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:40:39,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:40:39,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:40:40,178 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-21 15:40:40,179 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:40:40,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374785406] [2024-11-21 15:40:40,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374785406] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:40:40,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [3321769] [2024-11-21 15:40:40,179 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:40:40,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:40:40,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:40:40,243 INFO L256 TraceCheckSpWp]: Trace formula consists of 599 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-21 15:40:40,245 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:40:40,578 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-21 15:40:40,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [3321769] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:40:40,578 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:40:40,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-11-21 15:40:40,579 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:40:40,579 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 146 is hopeless, skipping. [2024-11-21 15:40:40,579 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 150 is hopeless, skipping. [2024-11-21 15:40:40,579 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 162 [2024-11-21 15:40:40,579 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:40:40,579 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:40:40,579 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:40:40,580 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:40:40,580 INFO L85 PathProgramCache]: Analyzing trace with hash -654655360, now seen corresponding path program 2 times [2024-11-21 15:40:40,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:40:40,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162491792] [2024-11-21 15:40:40,580 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:40:40,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:40:40,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:40:41,105 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-21 15:40:41,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:40:41,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162491792] [2024-11-21 15:40:41,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1162491792] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:40:41,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1363783701] [2024-11-21 15:40:41,106 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 15:40:41,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:40:41,106 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:40:41,108 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:40:41,110 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-21 15:40:41,373 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-21 15:40:41,373 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:40:41,378 INFO L256 TraceCheckSpWp]: Trace formula consists of 734 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-21 15:40:41,383 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:40:41,504 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-21 15:40:41,504 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-21 15:40:41,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1363783701] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 15:40:41,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-21 15:40:41,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2024-11-21 15:40:41,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130122223] [2024-11-21 15:40:41,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 15:40:41,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-21 15:40:41,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:40:41,507 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-21 15:40:41,508 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-11-21 15:40:41,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:40:41,508 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:40:41,508 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:40:41,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:40:41,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:40:41,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:40:41,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:40:41,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:40:41,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:40:41,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:40:41,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:40:41,735 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-21 15:40:41,917 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable18,SelfDestructingSolverStorable19,SelfDestructingSolverStorable21,SelfDestructingSolverStorable22,SelfDestructingSolverStorable23,SelfDestructingSolverStorable24,SelfDestructingSolverStorable25,SelfDestructingSolverStorable15,SelfDestructingSolverStorable26,SelfDestructingSolverStorable16,SelfDestructingSolverStorable27,SelfDestructingSolverStorable17 [2024-11-21 15:40:41,918 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 15:40:41,918 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:40:41,918 INFO L139 ounterexampleChecker]: Examining path program with hash -902236349, occurence #1 [2024-11-21 15:40:41,918 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 15:40:41,918 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:40:41,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:40:41,919 INFO L85 PathProgramCache]: Analyzing trace with hash -1558414422, now seen corresponding path program 3 times [2024-11-21 15:40:41,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:40:41,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560610737] [2024-11-21 15:40:41,919 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:40:41,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:40:42,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:40:42,585 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-21 15:40:42,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:40:42,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560610737] [2024-11-21 15:40:42,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1560610737] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:40:42,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2055263232] [2024-11-21 15:40:42,586 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-21 15:40:42,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:40:42,587 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:40:42,589 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:40:42,591 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-21 15:40:42,910 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-21 15:40:42,911 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:40:42,917 INFO L256 TraceCheckSpWp]: Trace formula consists of 812 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-21 15:40:42,924 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:40:43,748 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-21 15:40:43,750 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:40:44,450 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-21 15:40:44,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2055263232] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:40:44,450 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:40:44,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 15, 15] total 36 [2024-11-21 15:40:44,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260082340] [2024-11-21 15:40:44,451 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:40:44,452 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-11-21 15:40:44,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:40:44,454 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-11-21 15:40:44,455 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=325, Invalid=935, Unknown=0, NotChecked=0, Total=1260 [2024-11-21 15:40:44,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:40:44,455 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:40:44,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 8.916666666666666) internal successors, (321), 36 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:40:44,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:40:44,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:40:44,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:40:44,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:40:44,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:40:44,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:40:44,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:40:44,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:40:44,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:40:44,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:40:44,809 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 15:40:44,991 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-21 15:40:44,992 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 15:40:44,992 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:40:44,992 INFO L139 ounterexampleChecker]: Examining path program with hash -902236349, occurence #2 [2024-11-21 15:40:44,992 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:40:44,993 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:40:44,993 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:40:44,993 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-11-21 15:40:44,993 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:40:44,993 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-11-21 15:40:44,993 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:40:44,993 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-11-21 15:40:44,993 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:40:44,993 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2024-11-21 15:40:44,993 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:40:44,993 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2024-11-21 15:40:44,994 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:40:44,994 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 107 [2024-11-21 15:40:45,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:40:45,038 INFO L85 PathProgramCache]: Analyzing trace with hash 212563403, now seen corresponding path program 1 times [2024-11-21 15:40:45,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:40:45,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61476884] [2024-11-21 15:40:45,038 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:40:45,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:40:45,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:40:45,194 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-21 15:40:45,194 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:40:45,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61476884] [2024-11-21 15:40:45,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61476884] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 15:40:45,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 15:40:45,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-21 15:40:45,195 INFO L172 ounterexampleChecker]: Successfully proved commutativity at non-minimality point 107. Constructing proof automaton... [2024-11-21 15:40:45,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 15:40:45,195 INFO L309 artialOrderCegarLoop]: Commutativity proof succeeded, skipping feasibility check. [2024-11-21 15:40:45,196 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-21 15:40:45,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SMTINTERPOL [2024-11-21 15:40:45,196 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-21 15:40:45,196 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-21 15:40:45,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:40:45,196 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:40:45,196 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:40:45,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:40:45,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:40:45,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:40:45,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:40:45,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:40:45,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:40:45,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:40:45,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:40:45,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:40:45,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:40:45,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:40:45,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:40:45,731 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-21 15:40:45,731 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 15:40:45,731 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:40:45,731 INFO L139 ounterexampleChecker]: Examining path program with hash 1868919902, occurence #1 [2024-11-21 15:40:45,731 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 15:40:45,731 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:40:45,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:40:45,732 INFO L85 PathProgramCache]: Analyzing trace with hash 1649903988, now seen corresponding path program 4 times [2024-11-21 15:40:45,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:40:45,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116395300] [2024-11-21 15:40:45,732 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:40:45,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:40:45,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:40:46,609 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 7 proven. 25 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-21 15:40:46,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:40:46,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116395300] [2024-11-21 15:40:46,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116395300] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:40:46,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [481354791] [2024-11-21 15:40:46,610 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-21 15:40:46,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:40:46,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:40:46,612 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:40:46,614 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-21 15:40:46,920 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-21 15:40:46,920 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:40:46,930 INFO L256 TraceCheckSpWp]: Trace formula consists of 877 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-21 15:40:46,934 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:40:48,252 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 57 proven. 23 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-21 15:40:48,252 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:40:49,334 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-11-21 15:40:49,335 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 4 [2024-11-21 15:40:49,587 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 40 proven. 40 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-21 15:40:49,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [481354791] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:40:49,587 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:40:49,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 16, 16] total 43 [2024-11-21 15:40:49,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614546641] [2024-11-21 15:40:49,588 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:40:49,588 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2024-11-21 15:40:49,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:40:49,589 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2024-11-21 15:40:49,590 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=368, Invalid=1524, Unknown=0, NotChecked=0, Total=1892 [2024-11-21 15:40:49,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:40:49,590 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:40:49,591 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 6.386363636363637) internal successors, (281), 43 states have internal predecessors, (281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:40:49,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:40:49,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:40:49,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:40:49,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:40:49,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:40:49,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:40:49,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:40:49,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:40:49,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:40:49,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:40:49,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:40:49,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:40:49,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:40:49,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:40:49,878 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-21 15:40:50,062 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:40:50,063 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 15:40:50,063 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:40:50,064 INFO L139 ounterexampleChecker]: Examining path program with hash 1868919902, occurence #2 [2024-11-21 15:40:50,064 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:40:50,064 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:40:50,064 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:40:50,064 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-11-21 15:40:50,064 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:40:50,064 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-21 15:40:50,064 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:40:50,064 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2024-11-21 15:40:50,064 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:40:50,064 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-11-21 15:40:50,064 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:40:50,065 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2024-11-21 15:40:50,065 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:40:50,065 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 122 [2024-11-21 15:40:50,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:40:50,142 INFO L85 PathProgramCache]: Analyzing trace with hash -493277187, now seen corresponding path program 1 times [2024-11-21 15:40:50,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:40:50,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336763667] [2024-11-21 15:40:50,142 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:40:50,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:40:50,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:40:50,483 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-21 15:40:50,484 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:40:50,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336763667] [2024-11-21 15:40:50,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336763667] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 15:40:50,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 15:40:50,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-21 15:40:50,484 INFO L172 ounterexampleChecker]: Successfully proved commutativity at non-minimality point 122. Constructing proof automaton... [2024-11-21 15:40:50,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 15:40:50,485 INFO L309 artialOrderCegarLoop]: Commutativity proof succeeded, skipping feasibility check. [2024-11-21 15:40:50,485 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-21 15:40:50,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SMTINTERPOL [2024-11-21 15:40:50,485 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-21 15:40:50,485 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-21 15:40:50,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:40:50,486 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:40:50,486 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:40:50,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:40:50,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:40:50,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:40:50,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:40:50,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:40:50,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:40:50,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:40:50,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:40:50,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:40:50,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:40:50,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:40:50,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:40:50,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:40:50,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:40:50,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:40:50,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:40:50,629 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-21 15:40:50,629 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 15:40:50,629 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:40:50,629 INFO L139 ounterexampleChecker]: Examining path program with hash -775280501, occurence #1 [2024-11-21 15:40:50,629 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 15:40:50,629 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:40:50,630 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:40:50,630 INFO L85 PathProgramCache]: Analyzing trace with hash -1296732926, now seen corresponding path program 5 times [2024-11-21 15:40:50,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:40:50,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619077517] [2024-11-21 15:40:50,630 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:40:50,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:40:50,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:40:50,973 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 9 proven. 26 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-21 15:40:50,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:40:50,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619077517] [2024-11-21 15:40:50,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619077517] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:40:50,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [925124063] [2024-11-21 15:40:50,974 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-21 15:40:50,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:40:50,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:40:50,976 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:40:50,977 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-21 15:40:51,357 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2024-11-21 15:40:51,357 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:40:51,365 INFO L256 TraceCheckSpWp]: Trace formula consists of 534 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-21 15:40:51,367 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:40:51,525 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 5 [2024-11-21 15:40:51,789 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 9 proven. 26 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-21 15:40:51,793 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:40:51,982 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 6 [2024-11-21 15:40:52,124 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 29 proven. 6 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-21 15:40:52,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [925124063] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:40:52,124 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:40:52,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11, 11] total 28 [2024-11-21 15:40:52,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381522660] [2024-11-21 15:40:52,124 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:40:52,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-21 15:40:52,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:40:52,126 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-21 15:40:52,126 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=178, Invalid=578, Unknown=0, NotChecked=0, Total=756 [2024-11-21 15:40:52,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:40:52,126 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:40:52,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 7.642857142857143) internal successors, (214), 28 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:40:52,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:40:52,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:40:52,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:40:52,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:40:52,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:40:52,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:40:52,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:40:52,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:40:52,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:40:52,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:40:52,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:40:52,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:40:52,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:40:52,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:40:52,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:40:52,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:40:52,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:40:52,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:40:52,366 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-21 15:40:52,551 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2024-11-21 15:40:52,552 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 15:40:52,552 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:40:52,552 INFO L139 ounterexampleChecker]: Examining path program with hash -775280501, occurence #2 [2024-11-21 15:40:52,552 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:40:52,553 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:40:52,553 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:40:52,554 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-11-21 15:40:52,554 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:40:52,554 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-11-21 15:40:52,554 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:40:52,554 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-11-21 15:40:52,554 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:40:52,554 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2024-11-21 15:40:52,554 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:40:52,554 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2024-11-21 15:40:52,554 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:40:52,554 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2024-11-21 15:40:52,554 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:40:52,554 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:40:52,554 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:40:52,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:40:52,555 INFO L85 PathProgramCache]: Analyzing trace with hash -1559632559, now seen corresponding path program 6 times [2024-11-21 15:40:52,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:40:52,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538243766] [2024-11-21 15:40:52,555 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:40:52,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:40:52,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:40:53,415 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-11-21 15:40:53,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:40:53,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538243766] [2024-11-21 15:40:53,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1538243766] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:40:53,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [651726346] [2024-11-21 15:40:53,416 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-21 15:40:53,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:40:53,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:40:53,419 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:40:53,420 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-21 15:40:53,626 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2024-11-21 15:40:53,626 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:40:53,631 INFO L256 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-21 15:40:53,633 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:40:53,793 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-11-21 15:40:53,794 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-21 15:40:53,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [651726346] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 15:40:53,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-21 15:40:53,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [11] total 17 [2024-11-21 15:40:53,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247340097] [2024-11-21 15:40:53,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 15:40:53,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-21 15:40:53,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:40:53,795 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-21 15:40:53,796 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2024-11-21 15:40:53,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:40:53,796 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:40:53,796 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:40:53,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:40:53,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:40:53,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:40:53,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:40:53,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:40:53,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:40:53,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:40:53,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:40:53,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:40:53,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:40:54,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:40:54,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:40:54,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:40:54,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:40:54,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:40:54,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:40:54,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:40:54,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:40:54,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:40:54,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:40:54,596 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-21 15:40:54,779 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:40:54,779 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 15:40:54,779 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:40:54,780 INFO L139 ounterexampleChecker]: Examining path program with hash 724649879, occurence #1 [2024-11-21 15:40:54,780 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 15:40:54,780 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:40:54,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:40:54,781 INFO L85 PathProgramCache]: Analyzing trace with hash 1447952860, now seen corresponding path program 7 times [2024-11-21 15:40:54,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:40:54,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573075934] [2024-11-21 15:40:54,781 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:40:54,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:40:55,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:40:56,956 INFO L134 CoverageAnalysis]: Checked inductivity of 611 backedges. 12 proven. 69 refuted. 0 times theorem prover too weak. 530 trivial. 0 not checked. [2024-11-21 15:40:56,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:40:56,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573075934] [2024-11-21 15:40:56,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573075934] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:40:56,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [816261882] [2024-11-21 15:40:56,957 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-21 15:40:56,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:40:56,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:40:56,962 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:40:56,964 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-21 15:40:57,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:40:57,443 INFO L256 TraceCheckSpWp]: Trace formula consists of 1609 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-21 15:40:57,455 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:40:57,869 INFO L134 CoverageAnalysis]: Checked inductivity of 611 backedges. 352 proven. 10 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2024-11-21 15:40:57,869 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:40:58,254 INFO L134 CoverageAnalysis]: Checked inductivity of 611 backedges. 282 proven. 80 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2024-11-21 15:40:58,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [816261882] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:40:58,255 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:40:58,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 12, 12] total 37 [2024-11-21 15:40:58,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442576468] [2024-11-21 15:40:58,255 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:40:58,256 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-11-21 15:40:58,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:40:58,257 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-11-21 15:40:58,258 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=203, Invalid=1129, Unknown=0, NotChecked=0, Total=1332 [2024-11-21 15:40:58,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:40:58,258 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:40:58,258 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 7.405405405405405) internal successors, (274), 37 states have internal predecessors, (274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:40:58,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:40:58,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:40:58,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:40:58,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:40:58,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:40:58,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:40:58,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:40:58,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:40:58,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:40:58,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:40:58,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:40:58,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:40:58,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:40:58,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:40:58,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:40:58,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:40:58,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:40:58,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:40:58,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:40:58,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:40:58,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:40:58,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-21 15:40:58,640 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 15:40:58,820 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:40:58,820 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 15:40:58,820 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:40:58,821 INFO L139 ounterexampleChecker]: Examining path program with hash 724649879, occurence #2 [2024-11-21 15:40:58,821 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:40:58,821 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:40:58,821 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:40:58,821 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-11-21 15:40:58,821 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:40:58,821 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-11-21 15:40:58,821 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:40:58,821 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2024-11-21 15:40:58,821 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:40:58,821 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2024-11-21 15:40:58,821 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:40:58,822 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-21 15:40:58,822 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:40:58,822 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 190 [2024-11-21 15:40:58,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:40:58,884 INFO L85 PathProgramCache]: Analyzing trace with hash 1426507603, now seen corresponding path program 1 times [2024-11-21 15:40:58,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:40:58,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213177956] [2024-11-21 15:40:58,884 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:40:58,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:40:58,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:40:59,769 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 135 proven. 158 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-21 15:40:59,770 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:40:59,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213177956] [2024-11-21 15:40:59,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213177956] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:40:59,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1379093563] [2024-11-21 15:40:59,770 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:40:59,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:40:59,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:40:59,924 INFO L256 TraceCheckSpWp]: Trace formula consists of 850 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-21 15:40:59,928 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:41:00,740 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 257 proven. 36 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-21 15:41:00,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1379093563] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:41:00,741 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:41:00,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 35 [2024-11-21 15:41:00,741 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:41:00,741 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 240 [2024-11-21 15:41:00,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:41:00,777 INFO L85 PathProgramCache]: Analyzing trace with hash -203610474, now seen corresponding path program 1 times [2024-11-21 15:41:00,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:41:00,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32388062] [2024-11-21 15:41:00,777 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:41:00,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:41:00,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:41:01,952 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 202 proven. 234 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-21 15:41:01,952 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:41:01,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32388062] [2024-11-21 15:41:01,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32388062] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:41:01,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [301575150] [2024-11-21 15:41:01,953 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:41:01,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:41:02,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:41:02,059 INFO L256 TraceCheckSpWp]: Trace formula consists of 1009 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-21 15:41:02,063 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:41:02,793 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 400 proven. 36 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-21 15:41:02,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [301575150] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:41:02,793 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:41:02,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 36 [2024-11-21 15:41:02,793 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:41:02,793 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 241 is hopeless, skipping. [2024-11-21 15:41:02,793 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 263 [2024-11-21 15:41:02,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:41:02,824 INFO L85 PathProgramCache]: Analyzing trace with hash -33881872, now seen corresponding path program 1 times [2024-11-21 15:41:02,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:41:02,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521835837] [2024-11-21 15:41:02,825 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:41:02,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:41:02,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:41:03,911 INFO L134 CoverageAnalysis]: Checked inductivity of 538 backedges. 61 proven. 203 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2024-11-21 15:41:03,911 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:41:03,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521835837] [2024-11-21 15:41:03,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521835837] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:41:03,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1749369603] [2024-11-21 15:41:03,912 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:41:03,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:41:04,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:41:04,121 INFO L256 TraceCheckSpWp]: Trace formula consists of 1092 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-21 15:41:04,124 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:41:04,585 INFO L134 CoverageAnalysis]: Checked inductivity of 538 backedges. 249 proven. 15 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2024-11-21 15:41:04,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1749369603] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:41:04,585 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:41:04,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 25 [2024-11-21 15:41:04,585 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:41:04,585 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 287 [2024-11-21 15:41:04,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:41:04,662 INFO L85 PathProgramCache]: Analyzing trace with hash -1873087179, now seen corresponding path program 1 times [2024-11-21 15:41:04,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:41:04,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295531053] [2024-11-21 15:41:04,662 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:41:04,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:41:04,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:41:05,472 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 23 proven. 214 refuted. 0 times theorem prover too weak. 308 trivial. 0 not checked. [2024-11-21 15:41:05,473 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:41:05,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295531053] [2024-11-21 15:41:05,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295531053] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:41:05,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [954856000] [2024-11-21 15:41:05,473 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:41:05,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:41:05,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:41:05,651 INFO L256 TraceCheckSpWp]: Trace formula consists of 1181 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-21 15:41:05,655 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:41:06,310 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 222 proven. 15 refuted. 0 times theorem prover too weak. 308 trivial. 0 not checked. [2024-11-21 15:41:06,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [954856000] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:41:06,311 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:41:06,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2024-11-21 15:41:06,311 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:41:06,311 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 289 [2024-11-21 15:41:06,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:41:06,356 INFO L85 PathProgramCache]: Analyzing trace with hash -445617422, now seen corresponding path program 1 times [2024-11-21 15:41:06,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:41:06,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809827051] [2024-11-21 15:41:06,357 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:41:06,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:41:06,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:41:07,506 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 20 proven. 219 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2024-11-21 15:41:07,507 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:41:07,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809827051] [2024-11-21 15:41:07,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809827051] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:41:07,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [984607120] [2024-11-21 15:41:07,507 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:41:07,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:41:07,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:41:07,630 INFO L256 TraceCheckSpWp]: Trace formula consists of 1199 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-21 15:41:07,634 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:41:08,295 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 203 proven. 36 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2024-11-21 15:41:08,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [984607120] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:41:08,295 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:41:08,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 36 [2024-11-21 15:41:08,295 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:41:08,296 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 310 [2024-11-21 15:41:08,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:41:08,356 INFO L85 PathProgramCache]: Analyzing trace with hash 1794624810, now seen corresponding path program 1 times [2024-11-21 15:41:08,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:41:08,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246909496] [2024-11-21 15:41:08,356 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:41:08,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:41:08,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:41:09,300 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 3 proven. 70 refuted. 0 times theorem prover too weak. 479 trivial. 0 not checked. [2024-11-21 15:41:09,300 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:41:09,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246909496] [2024-11-21 15:41:09,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246909496] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:41:09,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [940478977] [2024-11-21 15:41:09,300 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:41:09,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:41:09,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:41:09,463 INFO L256 TraceCheckSpWp]: Trace formula consists of 1277 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-21 15:41:09,468 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:41:09,963 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 58 proven. 15 refuted. 0 times theorem prover too weak. 479 trivial. 0 not checked. [2024-11-21 15:41:09,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [940478977] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:41:09,963 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:41:09,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2024-11-21 15:41:09,963 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:41:09,963 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 337 is hopeless, skipping. [2024-11-21 15:41:09,964 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 347 is hopeless, skipping. [2024-11-21 15:41:09,964 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 371 is hopeless, skipping. [2024-11-21 15:41:09,964 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 394 [2024-11-21 15:41:09,964 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:41:09,964 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:41:09,964 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:41:09,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:41:09,964 INFO L85 PathProgramCache]: Analyzing trace with hash -1325796969, now seen corresponding path program 8 times [2024-11-21 15:41:09,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:41:09,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318733792] [2024-11-21 15:41:09,964 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:41:09,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:41:10,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:41:11,351 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 18 proven. 82 refuted. 0 times theorem prover too weak. 524 trivial. 0 not checked. [2024-11-21 15:41:11,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:41:11,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318733792] [2024-11-21 15:41:11,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [318733792] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:41:11,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [278849928] [2024-11-21 15:41:11,351 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 15:41:11,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:41:11,352 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:41:11,354 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:41:11,354 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-21 15:41:11,864 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-21 15:41:11,864 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:41:11,871 INFO L256 TraceCheckSpWp]: Trace formula consists of 1627 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-21 15:41:11,877 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:41:12,381 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 398 proven. 15 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2024-11-21 15:41:12,382 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:41:12,783 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 332 proven. 81 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2024-11-21 15:41:12,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [278849928] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:41:12,783 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:41:12,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 14, 14] total 43 [2024-11-21 15:41:12,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108144903] [2024-11-21 15:41:12,784 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:41:12,784 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-11-21 15:41:12,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:41:12,786 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-11-21 15:41:12,786 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=270, Invalid=1536, Unknown=0, NotChecked=0, Total=1806 [2024-11-21 15:41:12,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:41:12,787 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:41:12,787 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 7.255813953488372) internal successors, (312), 43 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:41:12,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:41:12,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:41:12,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:41:12,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:41:12,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:41:12,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:41:12,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:41:12,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:41:12,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:41:12,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:41:12,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-21 15:41:12,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:41:13,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:41:13,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:41:13,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:41:13,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:41:13,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:41:13,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:41:13,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:41:13,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:41:13,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:41:13,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:41:13,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-21 15:41:13,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-21 15:41:13,089 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-21 15:41:13,268 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,SelfDestructingSolverStorable41,SelfDestructingSolverStorable42,SelfDestructingSolverStorable43,SelfDestructingSolverStorable44,SelfDestructingSolverStorable45,SelfDestructingSolverStorable35,SelfDestructingSolverStorable46,SelfDestructingSolverStorable36,SelfDestructingSolverStorable47,SelfDestructingSolverStorable37,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38,SelfDestructingSolverStorable39 [2024-11-21 15:41:13,268 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 15:41:13,268 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:41:13,269 INFO L139 ounterexampleChecker]: Examining path program with hash 724649879, occurence #3 [2024-11-21 15:41:13,269 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:41:13,269 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:41:13,269 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:41:13,269 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2024-11-21 15:41:13,269 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:41:13,269 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-11-21 15:41:13,269 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:41:13,269 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2024-11-21 15:41:13,269 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:41:13,269 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2024-11-21 15:41:13,269 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:41:13,269 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2024-11-21 15:41:13,269 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:41:13,270 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 192 [2024-11-21 15:41:13,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:41:13,331 INFO L85 PathProgramCache]: Analyzing trace with hash -182071094, now seen corresponding path program 1 times [2024-11-21 15:41:13,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:41:13,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102312307] [2024-11-21 15:41:13,331 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:41:13,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:41:13,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:41:14,222 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 180 proven. 133 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-21 15:41:14,222 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:41:14,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102312307] [2024-11-21 15:41:14,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102312307] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:41:14,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1462564930] [2024-11-21 15:41:14,223 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:41:14,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:41:14,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:41:14,321 INFO L256 TraceCheckSpWp]: Trace formula consists of 868 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-21 15:41:14,324 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:41:15,163 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 268 proven. 45 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-21 15:41:15,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1462564930] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:41:15,163 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:41:15,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 39 [2024-11-21 15:41:15,163 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:41:15,164 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 242 [2024-11-21 15:41:15,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:41:15,192 INFO L85 PathProgramCache]: Analyzing trace with hash -1205162803, now seen corresponding path program 1 times [2024-11-21 15:41:15,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:41:15,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660805959] [2024-11-21 15:41:15,192 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:41:15,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:41:15,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:41:16,144 INFO L134 CoverageAnalysis]: Checked inductivity of 505 backedges. 220 proven. 234 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-11-21 15:41:16,145 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:41:16,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660805959] [2024-11-21 15:41:16,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660805959] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:41:16,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [178755868] [2024-11-21 15:41:16,145 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:41:16,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:41:16,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:41:16,232 INFO L256 TraceCheckSpWp]: Trace formula consists of 1027 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-21 15:41:16,234 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:41:16,981 INFO L134 CoverageAnalysis]: Checked inductivity of 505 backedges. 409 proven. 45 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-11-21 15:41:16,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [178755868] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:41:16,981 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:41:16,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 40 [2024-11-21 15:41:16,981 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:41:16,982 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 243 is hopeless, skipping. [2024-11-21 15:41:16,982 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 265 [2024-11-21 15:41:17,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:41:17,013 INFO L85 PathProgramCache]: Analyzing trace with hash -267361987, now seen corresponding path program 1 times [2024-11-21 15:41:17,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:41:17,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850386113] [2024-11-21 15:41:17,013 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:41:17,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:41:17,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:41:17,739 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 74 proven. 238 refuted. 0 times theorem prover too weak. 241 trivial. 0 not checked. [2024-11-21 15:41:17,740 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:41:17,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850386113] [2024-11-21 15:41:17,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850386113] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:41:17,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [545879895] [2024-11-21 15:41:17,740 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:41:17,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:41:17,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:41:17,837 INFO L256 TraceCheckSpWp]: Trace formula consists of 1110 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-21 15:41:17,840 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:41:18,332 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 291 proven. 21 refuted. 0 times theorem prover too weak. 241 trivial. 0 not checked. [2024-11-21 15:41:18,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [545879895] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:41:18,332 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:41:18,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 29 [2024-11-21 15:41:18,333 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:41:18,333 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 289 [2024-11-21 15:41:18,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:41:18,387 INFO L85 PathProgramCache]: Analyzing trace with hash 1735529602, now seen corresponding path program 1 times [2024-11-21 15:41:18,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:41:18,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105562288] [2024-11-21 15:41:18,387 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:41:18,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:41:18,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:41:19,159 INFO L134 CoverageAnalysis]: Checked inductivity of 560 backedges. 23 proven. 220 refuted. 0 times theorem prover too weak. 317 trivial. 0 not checked. [2024-11-21 15:41:19,159 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:41:19,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105562288] [2024-11-21 15:41:19,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105562288] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:41:19,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1490966660] [2024-11-21 15:41:19,159 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:41:19,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:41:19,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:41:19,277 INFO L256 TraceCheckSpWp]: Trace formula consists of 1199 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-21 15:41:19,280 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:41:19,865 INFO L134 CoverageAnalysis]: Checked inductivity of 560 backedges. 222 proven. 21 refuted. 0 times theorem prover too weak. 317 trivial. 0 not checked. [2024-11-21 15:41:19,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1490966660] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:41:19,865 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:41:19,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 28 [2024-11-21 15:41:19,865 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:41:19,865 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 291 [2024-11-21 15:41:19,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:41:19,909 INFO L85 PathProgramCache]: Analyzing trace with hash 1396483967, now seen corresponding path program 1 times [2024-11-21 15:41:19,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:41:19,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971538466] [2024-11-21 15:41:19,910 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:41:19,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:41:20,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:41:21,028 INFO L134 CoverageAnalysis]: Checked inductivity of 560 backedges. 27 proven. 244 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked. [2024-11-21 15:41:21,029 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:41:21,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971538466] [2024-11-21 15:41:21,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971538466] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:41:21,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [2111394654] [2024-11-21 15:41:21,029 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:41:21,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:41:21,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:41:21,183 INFO L256 TraceCheckSpWp]: Trace formula consists of 1217 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-21 15:41:21,187 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:41:21,958 INFO L134 CoverageAnalysis]: Checked inductivity of 560 backedges. 226 proven. 45 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked. [2024-11-21 15:41:21,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [2111394654] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:41:21,959 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:41:21,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 40 [2024-11-21 15:41:21,959 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:41:21,959 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 312 [2024-11-21 15:41:21,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:41:21,990 INFO L85 PathProgramCache]: Analyzing trace with hash -827737183, now seen corresponding path program 1 times [2024-11-21 15:41:21,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:41:21,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516472397] [2024-11-21 15:41:21,990 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:41:21,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:41:22,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:41:23,341 INFO L134 CoverageAnalysis]: Checked inductivity of 567 backedges. 13 proven. 152 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2024-11-21 15:41:23,341 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:41:23,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516472397] [2024-11-21 15:41:23,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516472397] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:41:23,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1468292332] [2024-11-21 15:41:23,342 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:41:23,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:41:23,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:41:23,463 INFO L256 TraceCheckSpWp]: Trace formula consists of 1295 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-21 15:41:23,466 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:41:24,193 INFO L134 CoverageAnalysis]: Checked inductivity of 567 backedges. 120 proven. 45 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2024-11-21 15:41:24,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1468292332] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:41:24,193 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:41:24,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 40 [2024-11-21 15:41:24,194 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:41:24,194 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 339 is hopeless, skipping. [2024-11-21 15:41:24,194 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 349 is hopeless, skipping. [2024-11-21 15:41:24,194 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 373 is hopeless, skipping. [2024-11-21 15:41:24,194 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 396 [2024-11-21 15:41:24,194 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:41:24,194 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:41:24,194 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:41:24,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:41:24,194 INFO L85 PathProgramCache]: Analyzing trace with hash -281072068, now seen corresponding path program 9 times [2024-11-21 15:41:24,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:41:24,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322493280] [2024-11-21 15:41:24,195 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:41:24,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:41:24,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:41:25,571 INFO L134 CoverageAnalysis]: Checked inductivity of 639 backedges. 25 proven. 95 refuted. 0 times theorem prover too weak. 519 trivial. 0 not checked. [2024-11-21 15:41:25,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:41:25,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322493280] [2024-11-21 15:41:25,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322493280] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:41:25,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [680468858] [2024-11-21 15:41:25,571 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-21 15:41:25,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:41:25,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:41:25,574 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:41:25,575 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-21 15:41:26,447 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-21 15:41:26,448 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:41:26,455 INFO L256 TraceCheckSpWp]: Trace formula consists of 1286 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-21 15:41:26,458 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:41:27,086 INFO L134 CoverageAnalysis]: Checked inductivity of 639 backedges. 48 proven. 21 refuted. 0 times theorem prover too weak. 570 trivial. 0 not checked. [2024-11-21 15:41:27,086 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:41:27,772 INFO L134 CoverageAnalysis]: Checked inductivity of 639 backedges. 8 proven. 61 refuted. 0 times theorem prover too weak. 570 trivial. 0 not checked. [2024-11-21 15:41:27,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [680468858] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:41:27,772 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:41:27,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 16, 16] total 49 [2024-11-21 15:41:27,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739453044] [2024-11-21 15:41:27,773 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:41:27,774 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2024-11-21 15:41:27,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:41:27,775 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2024-11-21 15:41:27,775 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=347, Invalid=2005, Unknown=0, NotChecked=0, Total=2352 [2024-11-21 15:41:27,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:41:27,775 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:41:27,776 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 5.857142857142857) internal successors, (287), 49 states have internal predecessors, (287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:41:27,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:41:27,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:41:27,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:41:27,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:41:27,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:41:27,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:41:27,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:41:27,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:41:27,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:41:27,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:41:27,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-21 15:41:27,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-21 15:41:27,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:41:28,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:41:28,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:41:28,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:41:28,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:41:28,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:41:28,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:41:28,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:41:28,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:41:28,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:41:28,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:41:28,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-21 15:41:28,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-21 15:41:28,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-21 15:41:28,124 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-21 15:41:28,302 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,SelfDestructingSolverStorable50,SelfDestructingSolverStorable51,SelfDestructingSolverStorable52,SelfDestructingSolverStorable53,11 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable54,SelfDestructingSolverStorable55,SelfDestructingSolverStorable56,SelfDestructingSolverStorable57,SelfDestructingSolverStorable58,SelfDestructingSolverStorable48,SelfDestructingSolverStorable59,SelfDestructingSolverStorable49 [2024-11-21 15:41:28,302 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 15:41:28,302 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:41:28,303 INFO L139 ounterexampleChecker]: Examining path program with hash 724649879, occurence #4 [2024-11-21 15:41:28,303 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:41:28,303 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:41:28,303 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:41:28,303 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-21 15:41:28,303 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:41:28,303 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2024-11-21 15:41:28,303 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:41:28,303 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2024-11-21 15:41:28,303 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:41:28,303 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-21 15:41:28,303 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:41:28,304 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2024-11-21 15:41:28,304 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:41:28,305 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 194 [2024-11-21 15:41:28,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:41:28,354 INFO L85 PathProgramCache]: Analyzing trace with hash 1077586199, now seen corresponding path program 1 times [2024-11-21 15:41:28,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:41:28,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153095589] [2024-11-21 15:41:28,354 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:41:28,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:41:28,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:41:29,062 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 221 proven. 102 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-21 15:41:29,062 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:41:29,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153095589] [2024-11-21 15:41:29,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1153095589] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:41:29,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [67668367] [2024-11-21 15:41:29,063 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:41:29,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:41:29,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:41:29,133 INFO L256 TraceCheckSpWp]: Trace formula consists of 886 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-21 15:41:29,135 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:41:29,999 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 268 proven. 55 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-21 15:41:29,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [67668367] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:41:29,999 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:41:29,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 43 [2024-11-21 15:41:29,999 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:41:29,999 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 244 [2024-11-21 15:41:30,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:41:30,019 INFO L85 PathProgramCache]: Analyzing trace with hash -2006359974, now seen corresponding path program 1 times [2024-11-21 15:41:30,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:41:30,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494022626] [2024-11-21 15:41:30,019 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:41:30,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:41:30,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:41:30,934 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 273 proven. 210 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-21 15:41:30,934 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:41:30,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494022626] [2024-11-21 15:41:30,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [494022626] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:41:30,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [593688549] [2024-11-21 15:41:30,934 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:41:30,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:41:31,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:41:31,021 INFO L256 TraceCheckSpWp]: Trace formula consists of 1045 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-21 15:41:31,024 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:41:31,849 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 428 proven. 55 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-21 15:41:31,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [593688549] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:41:31,849 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:41:31,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 44 [2024-11-21 15:41:31,850 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:41:31,850 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 245 is hopeless, skipping. [2024-11-21 15:41:31,850 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 267 [2024-11-21 15:41:31,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:41:31,878 INFO L85 PathProgramCache]: Analyzing trace with hash -440929420, now seen corresponding path program 1 times [2024-11-21 15:41:31,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:41:31,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965644815] [2024-11-21 15:41:31,878 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:41:31,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:41:31,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:41:32,647 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 88 proven. 252 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2024-11-21 15:41:32,647 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:41:32,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965644815] [2024-11-21 15:41:32,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965644815] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:41:32,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [2068303773] [2024-11-21 15:41:32,647 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:41:32,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:41:32,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:41:32,744 INFO L256 TraceCheckSpWp]: Trace formula consists of 1128 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-21 15:41:32,747 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:41:33,287 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 312 proven. 28 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2024-11-21 15:41:33,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [2068303773] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:41:33,287 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:41:33,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 33 [2024-11-21 15:41:33,287 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:41:33,287 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 291 [2024-11-21 15:41:33,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:41:33,339 INFO L85 PathProgramCache]: Analyzing trace with hash 1056884665, now seen corresponding path program 1 times [2024-11-21 15:41:33,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:41:33,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706999077] [2024-11-21 15:41:33,339 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:41:33,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:41:33,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:41:34,583 INFO L134 CoverageAnalysis]: Checked inductivity of 577 backedges. 41 proven. 298 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2024-11-21 15:41:34,583 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:41:34,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706999077] [2024-11-21 15:41:34,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706999077] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:41:34,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [78487647] [2024-11-21 15:41:34,583 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:41:34,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:41:34,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:41:34,729 INFO L256 TraceCheckSpWp]: Trace formula consists of 1217 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-21 15:41:34,731 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:41:35,570 INFO L134 CoverageAnalysis]: Checked inductivity of 577 backedges. 284 proven. 55 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2024-11-21 15:41:35,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [78487647] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:41:35,570 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:41:35,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 43 [2024-11-21 15:41:35,570 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:41:35,570 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 293 [2024-11-21 15:41:35,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:41:35,601 INFO L85 PathProgramCache]: Analyzing trace with hash 2053711222, now seen corresponding path program 1 times [2024-11-21 15:41:35,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:41:35,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965405518] [2024-11-21 15:41:35,601 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:41:35,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:41:35,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:41:36,690 INFO L134 CoverageAnalysis]: Checked inductivity of 577 backedges. 41 proven. 298 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2024-11-21 15:41:36,691 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:41:36,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965405518] [2024-11-21 15:41:36,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965405518] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:41:36,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1072747496] [2024-11-21 15:41:36,691 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:41:36,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:41:36,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:41:36,803 INFO L256 TraceCheckSpWp]: Trace formula consists of 1235 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-21 15:41:36,806 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:41:37,666 INFO L134 CoverageAnalysis]: Checked inductivity of 577 backedges. 284 proven. 55 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2024-11-21 15:41:37,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1072747496] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:41:37,667 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:41:37,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 44 [2024-11-21 15:41:37,667 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:41:37,667 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 314 [2024-11-21 15:41:37,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:41:37,699 INFO L85 PathProgramCache]: Analyzing trace with hash -1128444178, now seen corresponding path program 1 times [2024-11-21 15:41:37,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:41:37,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74843458] [2024-11-21 15:41:37,699 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:41:37,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:41:37,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:41:38,863 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 23 proven. 242 refuted. 0 times theorem prover too weak. 319 trivial. 0 not checked. [2024-11-21 15:41:38,864 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:41:38,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74843458] [2024-11-21 15:41:38,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74843458] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:41:38,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [408301974] [2024-11-21 15:41:38,864 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:41:38,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:41:39,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:41:39,013 INFO L256 TraceCheckSpWp]: Trace formula consists of 1313 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-21 15:41:39,015 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:41:39,851 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 210 proven. 55 refuted. 0 times theorem prover too weak. 319 trivial. 0 not checked. [2024-11-21 15:41:39,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [408301974] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:41:39,851 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:41:39,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 44 [2024-11-21 15:41:39,851 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:41:39,851 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 341 is hopeless, skipping. [2024-11-21 15:41:39,851 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 351 is hopeless, skipping. [2024-11-21 15:41:39,852 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 375 is hopeless, skipping. [2024-11-21 15:41:39,852 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 398 [2024-11-21 15:41:39,852 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:41:39,852 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:41:39,852 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:41:39,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:41:39,852 INFO L85 PathProgramCache]: Analyzing trace with hash -1390707913, now seen corresponding path program 10 times [2024-11-21 15:41:39,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:41:39,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479223241] [2024-11-21 15:41:39,852 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:41:39,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:41:39,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:41:41,324 INFO L134 CoverageAnalysis]: Checked inductivity of 656 backedges. 25 proven. 109 refuted. 0 times theorem prover too weak. 522 trivial. 0 not checked. [2024-11-21 15:41:41,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:41:41,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479223241] [2024-11-21 15:41:41,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479223241] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:41:41,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1911927012] [2024-11-21 15:41:41,324 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-21 15:41:41,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:41:41,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:41:41,326 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:41:41,327 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-21 15:41:41,959 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-21 15:41:41,960 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:41:41,966 INFO L256 TraceCheckSpWp]: Trace formula consists of 1663 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-21 15:41:41,974 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:41:43,836 INFO L134 CoverageAnalysis]: Checked inductivity of 656 backedges. 511 proven. 34 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2024-11-21 15:41:43,836 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:41:45,668 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-11-21 15:41:45,668 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 4 [2024-11-21 15:41:45,994 INFO L134 CoverageAnalysis]: Checked inductivity of 656 backedges. 318 proven. 227 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2024-11-21 15:41:45,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1911927012] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:41:45,995 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:41:45,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 24, 24] total 68 [2024-11-21 15:41:45,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655128296] [2024-11-21 15:41:45,995 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:41:45,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 68 states [2024-11-21 15:41:45,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:41:45,997 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2024-11-21 15:41:45,998 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=770, Invalid=3786, Unknown=0, NotChecked=0, Total=4556 [2024-11-21 15:41:45,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:41:45,999 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:41:45,999 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 68 states, 68 states have (on average 7.8088235294117645) internal successors, (531), 68 states have internal predecessors, (531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:41:45,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:41:45,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:41:45,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:41:46,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:41:46,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:41:46,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:41:46,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:41:46,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:41:46,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:41:46,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:41:46,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-21 15:41:46,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-21 15:41:46,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-21 15:41:46,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:41:46,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:41:46,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:41:46,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:41:46,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:41:46,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:41:46,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:41:46,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:41:46,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:41:46,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:41:46,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:41:46,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-21 15:41:46,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-21 15:41:46,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-21 15:41:46,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-21 15:41:46,388 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 15:41:46,572 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,SelfDestructingSolverStorable70,SelfDestructingSolverStorable71,SelfDestructingSolverStorable61,SelfDestructingSolverStorable72,SelfDestructingSolverStorable62,SelfDestructingSolverStorable73,SelfDestructingSolverStorable63,SelfDestructingSolverStorable64,SelfDestructingSolverStorable65,SelfDestructingSolverStorable66,SelfDestructingSolverStorable67,SelfDestructingSolverStorable68,SelfDestructingSolverStorable69 [2024-11-21 15:41:46,572 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 15:41:46,572 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:41:46,573 INFO L139 ounterexampleChecker]: Examining path program with hash 724649879, occurence #5 [2024-11-21 15:41:46,573 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:41:46,573 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:41:46,573 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:41:46,573 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-11-21 15:41:46,573 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:41:46,573 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2024-11-21 15:41:46,573 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:41:46,573 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2024-11-21 15:41:46,573 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:41:46,573 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-21 15:41:46,573 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:41:46,573 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2024-11-21 15:41:46,573 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:41:46,573 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 201 [2024-11-21 15:41:46,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:41:46,637 INFO L85 PathProgramCache]: Analyzing trace with hash 309517341, now seen corresponding path program 1 times [2024-11-21 15:41:46,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:41:46,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041574527] [2024-11-21 15:41:46,637 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:41:46,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:41:46,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:41:47,690 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 222 proven. 112 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-11-21 15:41:47,690 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:41:47,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041574527] [2024-11-21 15:41:47,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2041574527] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:41:47,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [2075274844] [2024-11-21 15:41:47,691 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:41:47,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:41:47,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:41:47,801 INFO L256 TraceCheckSpWp]: Trace formula consists of 949 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-21 15:41:47,804 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:41:49,567 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 263 proven. 71 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-11-21 15:41:49,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [2075274844] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:41:49,568 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:41:49,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 26] total 51 [2024-11-21 15:41:49,568 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:41:49,568 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 251 [2024-11-21 15:41:49,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:41:49,588 INFO L85 PathProgramCache]: Analyzing trace with hash -385257888, now seen corresponding path program 1 times [2024-11-21 15:41:49,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:41:49,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629232092] [2024-11-21 15:41:49,588 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:41:49,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:41:49,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:41:50,555 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 333 proven. 172 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-11-21 15:41:50,555 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:41:50,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629232092] [2024-11-21 15:41:50,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629232092] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:41:50,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1061851684] [2024-11-21 15:41:50,555 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:41:50,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:41:50,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:41:50,654 INFO L256 TraceCheckSpWp]: Trace formula consists of 1108 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-21 15:41:50,656 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:41:51,583 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 439 proven. 66 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-11-21 15:41:51,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1061851684] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:41:51,583 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:41:51,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 48 [2024-11-21 15:41:51,583 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:41:51,583 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 252 is hopeless, skipping. [2024-11-21 15:41:51,583 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 274 [2024-11-21 15:41:51,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:41:51,610 INFO L85 PathProgramCache]: Analyzing trace with hash 383087378, now seen corresponding path program 1 times [2024-11-21 15:41:51,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:41:51,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188531041] [2024-11-21 15:41:51,611 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:41:51,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:41:51,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:41:52,800 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 401 proven. 176 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-11-21 15:41:52,801 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:41:52,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188531041] [2024-11-21 15:41:52,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1188531041] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:41:52,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [712946804] [2024-11-21 15:41:52,801 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:41:52,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:41:52,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:41:52,905 INFO L256 TraceCheckSpWp]: Trace formula consists of 1191 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-21 15:41:52,909 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:41:53,953 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 486 proven. 91 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-11-21 15:41:53,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [712946804] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:41:53,953 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:41:53,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30] total 57 [2024-11-21 15:41:53,953 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:41:53,953 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 298 [2024-11-21 15:41:54,006 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:41:54,006 INFO L85 PathProgramCache]: Analyzing trace with hash 1773757271, now seen corresponding path program 1 times [2024-11-21 15:41:54,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:41:54,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107370015] [2024-11-21 15:41:54,006 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:41:54,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:41:54,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:41:55,231 INFO L134 CoverageAnalysis]: Checked inductivity of 651 backedges. 241 proven. 310 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-21 15:41:55,231 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:41:55,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107370015] [2024-11-21 15:41:55,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107370015] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:41:55,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [703577351] [2024-11-21 15:41:55,231 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:41:55,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:41:55,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:41:55,357 INFO L256 TraceCheckSpWp]: Trace formula consists of 1280 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-21 15:41:55,360 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:41:56,416 INFO L134 CoverageAnalysis]: Checked inductivity of 651 backedges. 460 proven. 91 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-21 15:41:56,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [703577351] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:41:56,417 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:41:56,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29] total 56 [2024-11-21 15:41:56,417 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:41:56,417 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 300 [2024-11-21 15:41:56,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:41:56,448 INFO L85 PathProgramCache]: Analyzing trace with hash -521466348, now seen corresponding path program 1 times [2024-11-21 15:41:56,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:41:56,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972584971] [2024-11-21 15:41:56,448 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:41:56,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:41:56,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:41:57,564 INFO L134 CoverageAnalysis]: Checked inductivity of 651 backedges. 48 proven. 316 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2024-11-21 15:41:57,565 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:41:57,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972584971] [2024-11-21 15:41:57,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972584971] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:41:57,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1396579793] [2024-11-21 15:41:57,565 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:41:57,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:41:57,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:41:57,746 INFO L256 TraceCheckSpWp]: Trace formula consists of 1298 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-21 15:41:57,749 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:41:58,697 INFO L134 CoverageAnalysis]: Checked inductivity of 651 backedges. 298 proven. 66 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2024-11-21 15:41:58,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1396579793] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:41:58,697 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:41:58,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 48 [2024-11-21 15:41:58,697 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:41:58,697 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 321 [2024-11-21 15:41:58,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:41:58,728 INFO L85 PathProgramCache]: Analyzing trace with hash -484542988, now seen corresponding path program 1 times [2024-11-21 15:41:58,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:41:58,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794269747] [2024-11-21 15:41:58,728 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:41:58,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:41:58,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:41:59,916 INFO L134 CoverageAnalysis]: Checked inductivity of 658 backedges. 30 proven. 269 refuted. 0 times theorem prover too weak. 359 trivial. 0 not checked. [2024-11-21 15:41:59,916 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:41:59,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794269747] [2024-11-21 15:41:59,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794269747] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:41:59,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [391080775] [2024-11-21 15:41:59,916 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:41:59,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:42:00,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:42:00,043 INFO L256 TraceCheckSpWp]: Trace formula consists of 1376 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-21 15:42:00,046 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:42:00,961 INFO L134 CoverageAnalysis]: Checked inductivity of 658 backedges. 233 proven. 66 refuted. 0 times theorem prover too weak. 359 trivial. 0 not checked. [2024-11-21 15:42:00,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [391080775] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:42:00,961 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:42:00,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 48 [2024-11-21 15:42:00,962 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:42:00,962 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 348 is hopeless, skipping. [2024-11-21 15:42:00,962 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 358 is hopeless, skipping. [2024-11-21 15:42:00,962 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 382 is hopeless, skipping. [2024-11-21 15:42:00,962 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 405 [2024-11-21 15:42:00,962 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:42:00,962 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:42:00,962 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:42:00,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:42:00,963 INFO L85 PathProgramCache]: Analyzing trace with hash 1107858219, now seen corresponding path program 11 times [2024-11-21 15:42:00,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:42:00,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22711661] [2024-11-21 15:42:00,963 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:42:00,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:42:01,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:42:02,754 INFO L134 CoverageAnalysis]: Checked inductivity of 730 backedges. 45 proven. 210 refuted. 0 times theorem prover too weak. 475 trivial. 0 not checked. [2024-11-21 15:42:02,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:42:02,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22711661] [2024-11-21 15:42:02,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22711661] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:42:02,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1589980975] [2024-11-21 15:42:02,754 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-21 15:42:02,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:42:02,755 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:42:02,756 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:42:02,757 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-21 15:43:11,077 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2024-11-21 15:43:11,078 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:43:11,110 INFO L256 TraceCheckSpWp]: Trace formula consists of 1726 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-21 15:43:11,115 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:43:12,420 INFO L134 CoverageAnalysis]: Checked inductivity of 730 backedges. 537 proven. 66 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2024-11-21 15:43:12,420 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:43:13,748 INFO L134 CoverageAnalysis]: Checked inductivity of 730 backedges. 469 proven. 134 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2024-11-21 15:43:13,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1589980975] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:43:13,748 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:43:13,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30, 30] total 88 [2024-11-21 15:43:13,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499250899] [2024-11-21 15:43:13,748 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:43:13,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 88 states [2024-11-21 15:43:13,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:43:13,751 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2024-11-21 15:43:13,752 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1272, Invalid=6384, Unknown=0, NotChecked=0, Total=7656 [2024-11-21 15:43:13,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:43:13,753 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:43:13,753 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 88 states, 88 states have (on average 7.5) internal successors, (660), 88 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:43:13,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:13,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:13,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:43:13,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:13,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:43:13,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:13,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:43:13,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:13,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:43:13,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:43:13,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-21 15:43:13,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-21 15:43:13,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-21 15:43:13,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-11-21 15:43:13,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:43:14,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:14,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:14,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:43:14,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:14,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:43:14,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:14,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:43:14,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:14,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:43:14,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:43:14,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-21 15:43:14,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-21 15:43:14,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-21 15:43:14,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-21 15:43:14,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-11-21 15:43:14,157 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-21 15:43:14,294 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80,SelfDestructingSolverStorable81,SelfDestructingSolverStorable82,SelfDestructingSolverStorable83,SelfDestructingSolverStorable84,SelfDestructingSolverStorable74,SelfDestructingSolverStorable85,SelfDestructingSolverStorable75,SelfDestructingSolverStorable86,SelfDestructingSolverStorable76,SelfDestructingSolverStorable77,SelfDestructingSolverStorable78,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable79 [2024-11-21 15:43:14,294 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 15:43:14,295 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:43:14,295 INFO L139 ounterexampleChecker]: Examining path program with hash 724649879, occurence #6 [2024-11-21 15:43:14,295 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:43:14,295 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:43:14,295 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:14,295 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-11-21 15:43:14,295 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:14,295 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-21 15:43:14,295 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:43:14,295 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2024-11-21 15:43:14,295 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:43:14,295 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42 [2024-11-21 15:43:14,296 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:43:14,296 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 46 [2024-11-21 15:43:14,296 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:43:14,296 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 208 [2024-11-21 15:43:14,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:43:14,346 INFO L85 PathProgramCache]: Analyzing trace with hash -1787907456, now seen corresponding path program 1 times [2024-11-21 15:43:14,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:43:14,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080229788] [2024-11-21 15:43:14,346 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:43:14,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:43:15,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 15:43:15,334 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-21 15:43:15,334 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-21 15:43:15,334 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 258 [2024-11-21 15:43:15,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:43:15,364 INFO L85 PathProgramCache]: Analyzing trace with hash -1054331261, now seen corresponding path program 1 times [2024-11-21 15:43:15,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:43:15,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509218824] [2024-11-21 15:43:15,365 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:43:15,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:43:15,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:43:15,792 INFO L134 CoverageAnalysis]: Checked inductivity of 697 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 663 trivial. 0 not checked. [2024-11-21 15:43:15,792 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:43:15,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509218824] [2024-11-21 15:43:15,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509218824] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 15:43:15,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 15:43:15,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-21 15:43:15,793 INFO L172 ounterexampleChecker]: Successfully proved commutativity at non-minimality point 258. Constructing proof automaton... [2024-11-21 15:43:15,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 15:43:15,793 INFO L309 artialOrderCegarLoop]: Commutativity proof succeeded, skipping feasibility check. [2024-11-21 15:43:15,793 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-21 15:43:15,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SMTINTERPOL [2024-11-21 15:43:15,794 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-21 15:43:15,794 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-21 15:43:15,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:43:15,794 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:43:15,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:43:15,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:15,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:15,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:43:15,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:15,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:43:15,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:15,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:43:15,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:15,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:43:15,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:43:15,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-21 15:43:15,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-21 15:43:15,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-21 15:43:15,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-11-21 15:43:15,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-11-21 15:43:15,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:43:16,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:16,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:16,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:43:16,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:16,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:43:16,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:16,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:43:16,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:16,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:43:16,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:43:16,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-21 15:43:16,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-21 15:43:16,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-21 15:43:16,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-21 15:43:16,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-11-21 15:43:16,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:43:16,525 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87,SelfDestructingSolverStorable88 [2024-11-21 15:43:16,525 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 15:43:16,525 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:43:16,526 INFO L139 ounterexampleChecker]: Examining path program with hash 279042428, occurence #1 [2024-11-21 15:43:16,526 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 15:43:16,526 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:43:16,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:43:16,526 INFO L85 PathProgramCache]: Analyzing trace with hash -2085219213, now seen corresponding path program 12 times [2024-11-21 15:43:16,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:43:16,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653698408] [2024-11-21 15:43:16,526 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:43:16,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:43:16,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:43:18,329 INFO L134 CoverageAnalysis]: Checked inductivity of 928 backedges. 558 proven. 216 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2024-11-21 15:43:18,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:43:18,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653698408] [2024-11-21 15:43:18,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653698408] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:43:18,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [433364325] [2024-11-21 15:43:18,330 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-21 15:43:18,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:43:18,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:43:18,332 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:43:18,332 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-21 15:43:18,927 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2024-11-21 15:43:18,927 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:43:18,929 INFO L256 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-21 15:43:18,932 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:43:19,140 INFO L134 CoverageAnalysis]: Checked inductivity of 928 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 837 trivial. 0 not checked. [2024-11-21 15:43:19,140 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-21 15:43:19,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [433364325] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 15:43:19,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-21 15:43:19,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [34] total 40 [2024-11-21 15:43:19,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730812129] [2024-11-21 15:43:19,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 15:43:19,141 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-21 15:43:19,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:43:19,141 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-21 15:43:19,141 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=305, Invalid=1255, Unknown=0, NotChecked=0, Total=1560 [2024-11-21 15:43:19,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:43:19,142 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:43:19,142 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 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 15:43:19,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:19,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:19,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:43:19,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:19,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:43:19,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:19,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:43:19,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:19,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:43:19,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:43:19,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-21 15:43:19,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-21 15:43:19,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-21 15:43:19,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-11-21 15:43:19,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-11-21 15:43:19,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:43:19,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:43:19,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:19,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:19,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:43:19,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:19,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:43:19,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:19,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:43:19,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:19,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:43:19,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:43:19,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-21 15:43:19,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-21 15:43:19,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-21 15:43:19,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-21 15:43:19,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-11-21 15:43:19,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:43:19,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:43:19,517 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-21 15:43:19,702 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:43:19,702 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 15:43:19,702 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:43:19,703 INFO L139 ounterexampleChecker]: Examining path program with hash -1592538139, occurence #1 [2024-11-21 15:43:19,703 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 15:43:19,703 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:43:19,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:43:19,703 INFO L85 PathProgramCache]: Analyzing trace with hash -111741921, now seen corresponding path program 13 times [2024-11-21 15:43:19,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:43:19,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102834232] [2024-11-21 15:43:19,703 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:43:19,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:43:19,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:43:21,358 INFO L134 CoverageAnalysis]: Checked inductivity of 973 backedges. 100 proven. 445 refuted. 0 times theorem prover too weak. 428 trivial. 0 not checked. [2024-11-21 15:43:21,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:43:21,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102834232] [2024-11-21 15:43:21,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102834232] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:43:21,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [907344708] [2024-11-21 15:43:21,358 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-21 15:43:21,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:43:21,358 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:43:21,360 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:43:21,361 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-21 15:43:22,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:43:22,107 INFO L256 TraceCheckSpWp]: Trace formula consists of 1551 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-21 15:43:22,110 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:43:23,221 INFO L134 CoverageAnalysis]: Checked inductivity of 973 backedges. 662 proven. 105 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2024-11-21 15:43:23,221 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:43:24,344 INFO L134 CoverageAnalysis]: Checked inductivity of 973 backedges. 443 proven. 324 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2024-11-21 15:43:24,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [907344708] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:43:24,344 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:43:24,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32, 32] total 90 [2024-11-21 15:43:24,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774249290] [2024-11-21 15:43:24,345 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:43:24,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 90 states [2024-11-21 15:43:24,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:43:24,347 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 90 interpolants. [2024-11-21 15:43:24,348 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1680, Invalid=6330, Unknown=0, NotChecked=0, Total=8010 [2024-11-21 15:43:24,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:43:24,348 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:43:24,349 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 90 states, 90 states have (on average 6.644444444444445) internal successors, (598), 90 states have internal predecessors, (598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:43:24,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:24,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:24,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:43:24,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:24,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:43:24,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:24,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:43:24,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:24,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:43:24,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:43:24,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-21 15:43:24,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-21 15:43:24,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-21 15:43:24,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-11-21 15:43:24,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-11-21 15:43:24,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:43:24,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:43:24,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:43:24,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:24,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:24,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:43:24,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:24,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:43:24,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:24,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:43:24,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:24,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:43:24,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:43:24,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-21 15:43:24,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-21 15:43:24,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-21 15:43:24,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-21 15:43:24,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-11-21 15:43:24,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:43:24,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:43:24,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 15:43:24,569 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 15:43:24,753 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90,15 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:43:24,753 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 15:43:24,753 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:43:24,753 INFO L139 ounterexampleChecker]: Examining path program with hash -1592538139, occurence #2 [2024-11-21 15:43:24,754 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:43:24,754 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:43:24,754 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:24,754 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-11-21 15:43:24,754 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:24,754 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-21 15:43:24,754 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:43:24,754 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2024-11-21 15:43:24,754 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:43:24,754 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2024-11-21 15:43:24,754 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:43:24,754 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 47 [2024-11-21 15:43:24,754 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:43:24,754 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 195 [2024-11-21 15:43:24,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:43:24,831 INFO L85 PathProgramCache]: Analyzing trace with hash 503892350, now seen corresponding path program 1 times [2024-11-21 15:43:24,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:43:24,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354482074] [2024-11-21 15:43:24,831 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:43:24,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:43:25,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 15:43:25,799 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-21 15:43:25,800 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-21 15:43:25,800 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 223 [2024-11-21 15:43:25,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:43:25,874 INFO L85 PathProgramCache]: Analyzing trace with hash -146423882, now seen corresponding path program 1 times [2024-11-21 15:43:25,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:43:25,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027481866] [2024-11-21 15:43:25,874 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:43:25,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:43:26,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 15:43:26,828 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-21 15:43:26,828 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-21 15:43:26,828 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 281 is hopeless, skipping. [2024-11-21 15:43:26,828 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 344 [2024-11-21 15:43:26,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:43:26,871 INFO L85 PathProgramCache]: Analyzing trace with hash 682125060, now seen corresponding path program 1 times [2024-11-21 15:43:26,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:43:26,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217815708] [2024-11-21 15:43:26,871 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:43:26,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:43:27,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:43:29,038 INFO L134 CoverageAnalysis]: Checked inductivity of 982 backedges. 594 proven. 234 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2024-11-21 15:43:29,038 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:43:29,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217815708] [2024-11-21 15:43:29,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217815708] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:43:29,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [115499934] [2024-11-21 15:43:29,039 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:43:29,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:43:29,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:43:29,186 INFO L256 TraceCheckSpWp]: Trace formula consists of 1480 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-21 15:43:29,189 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:43:30,862 INFO L134 CoverageAnalysis]: Checked inductivity of 982 backedges. 708 proven. 120 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2024-11-21 15:43:30,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [115499934] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:43:30,863 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:43:30,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 39] total 76 [2024-11-21 15:43:30,863 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:43:30,863 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 362 [2024-11-21 15:43:30,863 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:43:30,863 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:43:30,863 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:43:30,863 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:43:30,863 INFO L85 PathProgramCache]: Analyzing trace with hash 320212592, now seen corresponding path program 14 times [2024-11-21 15:43:30,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:43:30,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233958366] [2024-11-21 15:43:30,864 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:43:30,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:43:30,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:43:32,540 INFO L134 CoverageAnalysis]: Checked inductivity of 988 backedges. 118 proven. 467 refuted. 0 times theorem prover too weak. 403 trivial. 0 not checked. [2024-11-21 15:43:32,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:43:32,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233958366] [2024-11-21 15:43:32,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233958366] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:43:32,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1153046301] [2024-11-21 15:43:32,541 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 15:43:32,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:43:32,541 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:43:32,543 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:43:32,544 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-21 15:43:33,328 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-21 15:43:33,328 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:43:33,334 INFO L256 TraceCheckSpWp]: Trace formula consists of 1560 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-21 15:43:33,338 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:43:34,883 INFO L134 CoverageAnalysis]: Checked inductivity of 988 backedges. 558 proven. 224 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2024-11-21 15:43:34,883 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:43:34,890 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 6 [2024-11-21 15:43:36,235 INFO L134 CoverageAnalysis]: Checked inductivity of 988 backedges. 562 proven. 220 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2024-11-21 15:43:36,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1153046301] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:43:36,236 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:43:36,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 35, 35] total 100 [2024-11-21 15:43:36,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346568138] [2024-11-21 15:43:36,236 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:43:36,237 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 100 states [2024-11-21 15:43:36,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:43:36,238 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 100 interpolants. [2024-11-21 15:43:36,240 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1801, Invalid=8099, Unknown=0, NotChecked=0, Total=9900 [2024-11-21 15:43:36,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:43:36,240 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:43:36,240 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 100 states, 100 states have (on average 6.85) internal successors, (685), 100 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 15:43:36,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:36,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:36,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:43:36,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:36,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:43:36,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:36,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:43:36,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:36,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:43:36,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:43:36,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-21 15:43:36,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-21 15:43:36,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-21 15:43:36,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-11-21 15:43:36,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-11-21 15:43:36,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:43:36,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:43:36,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 15:43:36,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:43:36,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:36,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:36,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:43:36,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:36,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:43:36,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:36,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:43:36,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:36,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:43:36,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:43:36,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-21 15:43:36,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-21 15:43:36,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-21 15:43:36,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-21 15:43:36,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-11-21 15:43:36,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:43:36,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:43:36,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 15:43:36,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 15:43:36,642 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-21 15:43:36,819 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91,SelfDestructingSolverStorable92,SelfDestructingSolverStorable93,SelfDestructingSolverStorable94,SelfDestructingSolverStorable95,16 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:43:36,820 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 15:43:36,820 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:43:36,820 INFO L139 ounterexampleChecker]: Examining path program with hash -1877589037, occurence #1 [2024-11-21 15:43:36,820 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 15:43:36,820 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:43:36,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:43:36,820 INFO L85 PathProgramCache]: Analyzing trace with hash -2030555415, now seen corresponding path program 15 times [2024-11-21 15:43:36,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:43:36,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968145338] [2024-11-21 15:43:36,820 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:43:36,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:43:36,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:43:37,125 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2024-11-21 15:43:37,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:43:37,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968145338] [2024-11-21 15:43:37,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968145338] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 15:43:37,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 15:43:37,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-21 15:43:37,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838450491] [2024-11-21 15:43:37,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 15:43:37,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-21 15:43:37,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:43:37,126 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-21 15:43:37,126 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-21 15:43:37,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:43:37,126 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:43:37,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:43:37,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:37,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:37,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:43:37,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:37,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:43:37,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:37,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:43:37,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:37,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:43:37,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:43:37,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-21 15:43:37,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-21 15:43:37,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-21 15:43:37,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-11-21 15:43:37,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-11-21 15:43:37,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:43:37,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:43:37,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 15:43:37,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-21 15:43:37,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:43:37,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:37,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:37,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:43:37,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:37,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:43:37,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:37,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:43:37,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:37,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:43:37,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:43:37,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-21 15:43:37,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-21 15:43:37,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-21 15:43:37,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-21 15:43:37,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-11-21 15:43:37,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:43:37,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:43:37,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 15:43:37,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 15:43:37,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:43:37,270 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2024-11-21 15:43:37,271 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 15:43:37,271 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:43:37,271 INFO L139 ounterexampleChecker]: Examining path program with hash 968729223, occurence #1 [2024-11-21 15:43:37,271 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 15:43:37,271 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:43:37,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:43:37,271 INFO L85 PathProgramCache]: Analyzing trace with hash -1208512051, now seen corresponding path program 16 times [2024-11-21 15:43:37,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:43:37,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789025909] [2024-11-21 15:43:37,271 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:43:37,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:43:37,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:43:37,563 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2024-11-21 15:43:37,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:43:37,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789025909] [2024-11-21 15:43:37,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789025909] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 15:43:37,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 15:43:37,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-21 15:43:37,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412001414] [2024-11-21 15:43:37,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 15:43:37,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-21 15:43:37,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:43:37,564 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-21 15:43:37,564 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-21 15:43:37,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:43:37,564 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:43:37,564 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:43:37,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:37,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:37,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:43:37,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:37,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:43:37,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:37,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:43:37,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:37,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:43:37,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:43:37,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-21 15:43:37,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-21 15:43:37,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-21 15:43:37,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-11-21 15:43:37,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-11-21 15:43:37,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:43:37,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:43:37,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 15:43:37,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-21 15:43:37,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:43:37,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:43:37,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:37,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:37,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:43:37,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:37,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:43:37,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:37,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:43:37,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:37,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:43:37,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:43:37,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-21 15:43:37,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-21 15:43:37,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-21 15:43:37,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-21 15:43:37,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-11-21 15:43:37,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:43:37,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:43:37,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 15:43:37,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 15:43:37,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:43:37,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:43:37,683 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2024-11-21 15:43:37,683 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 15:43:37,683 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:43:37,683 INFO L139 ounterexampleChecker]: Examining path program with hash -1516815866, occurence #1 [2024-11-21 15:43:37,683 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 15:43:37,684 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:43:37,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:43:37,684 INFO L85 PathProgramCache]: Analyzing trace with hash -1974225904, now seen corresponding path program 17 times [2024-11-21 15:43:37,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:43:37,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922625245] [2024-11-21 15:43:37,684 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:43:37,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:43:38,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:43:59,419 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 0 proven. 177 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-21 15:43:59,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:43:59,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922625245] [2024-11-21 15:43:59,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922625245] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:43:59,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1006163983] [2024-11-21 15:43:59,420 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-21 15:43:59,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:43:59,420 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:43:59,422 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:43:59,422 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-21 15:44:24,039 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2024-11-21 15:44:24,040 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:44:24,061 INFO L256 TraceCheckSpWp]: Trace formula consists of 655 conjuncts, 66 conjuncts are in the unsatisfiable core [2024-11-21 15:44:24,064 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:44:26,044 INFO L349 Elim1Store]: treesize reduction 40, result has 64.3 percent of original size [2024-11-21 15:44:26,044 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 135 treesize of output 96 [2024-11-21 15:44:26,062 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 0 proven. 151 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2024-11-21 15:44:26,063 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:44:27,984 INFO L349 Elim1Store]: treesize reduction 86, result has 79.7 percent of original size [2024-11-21 15:44:27,984 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 107 treesize of output 367 [2024-11-21 15:44:29,378 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked. [2024-11-21 15:44:29,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1006163983] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:44:29,378 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:44:29,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 29, 16] total 77 [2024-11-21 15:44:29,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048104552] [2024-11-21 15:44:29,378 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:44:29,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 78 states [2024-11-21 15:44:29,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:44:29,379 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 78 interpolants. [2024-11-21 15:44:29,381 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=452, Invalid=5554, Unknown=0, NotChecked=0, Total=6006 [2024-11-21 15:44:29,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:44:29,381 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:44:29,381 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 78 states, 78 states have (on average 2.6538461538461537) internal successors, (207), 77 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:44:29,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:44:29,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:44:29,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:44:29,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:44:29,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:44:29,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:44:29,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:44:29,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:44:29,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:44:29,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:44:29,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-21 15:44:29,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-21 15:44:29,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-21 15:44:29,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-11-21 15:44:29,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-11-21 15:44:29,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:44:29,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:44:29,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 15:44:29,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-21 15:44:29,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:44:29,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:44:29,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:44:37,166 WARN L331 ript$VariableManager]: TermVariable v_subst_19 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 15:44:37,167 WARN L331 ript$VariableManager]: TermVariable v_subst_18 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 15:44:37,167 WARN L331 ript$VariableManager]: TermVariable v_subst_17 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 15:44:37,167 WARN L331 ript$VariableManager]: TermVariable v_subst_16 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 15:44:37,167 WARN L331 ript$VariableManager]: TermVariable v_subst_21 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 15:44:37,167 WARN L331 ript$VariableManager]: TermVariable v_subst_20 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 15:44:38,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:44:38,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:44:38,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:44:38,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:44:38,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:44:38,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:44:38,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:44:38,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:44:38,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:44:38,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:44:38,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-21 15:44:38,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-21 15:44:38,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-21 15:44:38,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-21 15:44:38,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-11-21 15:44:38,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:44:38,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:44:38,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 15:44:38,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 15:44:38,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:44:38,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:44:38,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-11-21 15:44:38,276 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-21 15:44:38,450 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,SelfDestructingSolverStorable98 [2024-11-21 15:44:38,450 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 15:44:38,450 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:44:38,450 INFO L139 ounterexampleChecker]: Examining path program with hash 1341753528, occurence #1 [2024-11-21 15:44:38,450 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 15:44:38,451 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:44:38,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:44:38,451 INFO L85 PathProgramCache]: Analyzing trace with hash -703747349, now seen corresponding path program 18 times [2024-11-21 15:44:38,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:44:38,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501862842] [2024-11-21 15:44:38,451 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:44:38,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:44:38,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:44:40,859 INFO L134 CoverageAnalysis]: Checked inductivity of 1508 backedges. 137 proven. 517 refuted. 0 times theorem prover too weak. 854 trivial. 0 not checked. [2024-11-21 15:44:40,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:44:40,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501862842] [2024-11-21 15:44:40,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [501862842] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:44:40,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1288127642] [2024-11-21 15:44:40,859 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-21 15:44:40,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:44:40,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:44:40,862 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:44:40,863 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-21 15:44:41,620 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2024-11-21 15:44:41,620 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:44:41,623 INFO L256 TraceCheckSpWp]: Trace formula consists of 624 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-21 15:44:41,627 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:44:42,184 INFO L134 CoverageAnalysis]: Checked inductivity of 1508 backedges. 16 proven. 15 refuted. 0 times theorem prover too weak. 1477 trivial. 0 not checked. [2024-11-21 15:44:42,184 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:44:42,261 INFO L134 CoverageAnalysis]: Checked inductivity of 1508 backedges. 19 proven. 2 refuted. 0 times theorem prover too weak. 1487 trivial. 0 not checked. [2024-11-21 15:44:42,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1288127642] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:44:42,261 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:44:42,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 10, 5] total 48 [2024-11-21 15:44:42,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374093638] [2024-11-21 15:44:42,261 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:44:42,262 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-11-21 15:44:42,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:44:42,263 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-11-21 15:44:42,263 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=370, Invalid=1886, Unknown=0, NotChecked=0, Total=2256 [2024-11-21 15:44:42,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:44:42,263 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:44:42,263 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 6.5625) internal successors, (315), 48 states have internal predecessors, (315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:44:42,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:44:42,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:44:42,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:44:42,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:44:42,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:44:42,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:44:42,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:44:42,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:44:42,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:44:42,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:44:42,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-21 15:44:42,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-21 15:44:42,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-21 15:44:42,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-11-21 15:44:42,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-11-21 15:44:42,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:44:42,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:44:42,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 15:44:42,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-21 15:44:42,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:44:42,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:44:42,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-11-21 15:44:42,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:44:44,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:44:44,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:44:44,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:44:44,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:44:44,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:44:44,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:44:44,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:44:44,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:44:44,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:44:44,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:44:44,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-21 15:44:44,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-21 15:44:44,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-21 15:44:44,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-21 15:44:44,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-11-21 15:44:44,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:44:44,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:44:44,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 15:44:44,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 15:44:44,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:44:44,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:44:44,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-11-21 15:44:44,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-11-21 15:44:44,062 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-21 15:44:44,247 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99,18 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:44:44,248 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 15:44:44,248 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:44:44,248 INFO L139 ounterexampleChecker]: Examining path program with hash -782559472, occurence #1 [2024-11-21 15:44:44,248 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 15:44:44,248 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:44:44,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:44:44,249 INFO L85 PathProgramCache]: Analyzing trace with hash 555430535, now seen corresponding path program 19 times [2024-11-21 15:44:44,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:44:44,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674944432] [2024-11-21 15:44:44,249 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:44:44,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:44:44,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:44:47,813 INFO L134 CoverageAnalysis]: Checked inductivity of 2401 backedges. 175 proven. 751 refuted. 0 times theorem prover too weak. 1475 trivial. 0 not checked. [2024-11-21 15:44:47,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:44:47,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674944432] [2024-11-21 15:44:47,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674944432] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:44:47,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [946439499] [2024-11-21 15:44:47,813 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-21 15:44:47,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:44:47,814 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:44:47,815 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:44:47,816 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 15:44:48,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:44:48,860 INFO L256 TraceCheckSpWp]: Trace formula consists of 2613 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-21 15:44:48,865 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:44:50,768 INFO L134 CoverageAnalysis]: Checked inductivity of 2401 backedges. 1732 proven. 153 refuted. 0 times theorem prover too weak. 516 trivial. 0 not checked. [2024-11-21 15:44:50,768 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:44:52,664 INFO L134 CoverageAnalysis]: Checked inductivity of 2401 backedges. 1539 proven. 346 refuted. 0 times theorem prover too weak. 516 trivial. 0 not checked. [2024-11-21 15:44:52,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [946439499] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:44:52,664 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:44:52,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 38, 38] total 111 [2024-11-21 15:44:52,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003904041] [2024-11-21 15:44:52,664 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:44:52,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 111 states [2024-11-21 15:44:52,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:44:52,666 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 111 interpolants. [2024-11-21 15:44:52,668 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1770, Invalid=10440, Unknown=0, NotChecked=0, Total=12210 [2024-11-21 15:44:52,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:44:52,668 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:44:52,669 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 111 states, 111 states have (on average 6.684684684684685) internal successors, (742), 111 states have internal predecessors, (742), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:44:52,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:44:52,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:44:52,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:44:52,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:44:52,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:44:52,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:44:52,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:44:52,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:44:52,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:44:52,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:44:52,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-21 15:44:52,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-21 15:44:52,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-21 15:44:52,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-11-21 15:44:52,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-11-21 15:44:52,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:44:52,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:44:52,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 15:44:52,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-21 15:44:52,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:44:52,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:44:52,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-11-21 15:44:52,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-11-21 15:44:52,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:44:53,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:44:53,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:44:53,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:44:53,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:44:53,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:44:53,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:44:53,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:44:53,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:44:53,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:44:53,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:44:53,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-21 15:44:53,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-21 15:44:53,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-21 15:44:53,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-21 15:44:53,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-11-21 15:44:53,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:44:53,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:44:53,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 15:44:53,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 15:44:53,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:44:53,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:44:53,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-11-21 15:44:53,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-11-21 15:44:53,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-21 15:44:53,191 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 15:44:53,372 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,SelfDestructingSolverStorable100 [2024-11-21 15:44:53,372 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 15:44:53,372 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:44:53,373 INFO L139 ounterexampleChecker]: Examining path program with hash -782559472, occurence #2 [2024-11-21 15:44:53,373 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:44:53,373 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:44:53,373 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:44:53,373 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2024-11-21 15:44:53,373 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:44:53,373 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2024-11-21 15:44:53,373 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:44:53,373 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 44 [2024-11-21 15:44:53,373 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:44:53,373 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-11-21 15:44:53,373 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:44:53,373 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2024-11-21 15:44:53,373 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:44:53,373 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 144 [2024-11-21 15:44:53,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:44:53,424 INFO L85 PathProgramCache]: Analyzing trace with hash -1516851078, now seen corresponding path program 1 times [2024-11-21 15:44:53,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:44:53,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694562363] [2024-11-21 15:44:53,424 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:44:53,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:44:54,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 15:44:54,113 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-21 15:44:54,113 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-21 15:44:54,113 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 221 [2024-11-21 15:44:54,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:44:54,162 INFO L85 PathProgramCache]: Analyzing trace with hash 318636620, now seen corresponding path program 1 times [2024-11-21 15:44:54,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:44:54,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092984588] [2024-11-21 15:44:54,163 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:44:54,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:44:55,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 15:44:55,401 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-21 15:44:55,401 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-21 15:44:55,401 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 295 is hopeless, skipping. [2024-11-21 15:44:55,401 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 368 [2024-11-21 15:44:55,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:44:55,431 INFO L85 PathProgramCache]: Analyzing trace with hash -1647780230, now seen corresponding path program 1 times [2024-11-21 15:44:55,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:44:55,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844066694] [2024-11-21 15:44:55,432 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:44:55,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:44:55,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:44:57,616 INFO L134 CoverageAnalysis]: Checked inductivity of 1613 backedges. 1136 proven. 303 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2024-11-21 15:44:57,616 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:44:57,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844066694] [2024-11-21 15:44:57,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844066694] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:44:57,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1245635486] [2024-11-21 15:44:57,616 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:44:57,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:44:57,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:44:57,784 INFO L256 TraceCheckSpWp]: Trace formula consists of 1591 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-11-21 15:44:57,788 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:44:59,799 INFO L134 CoverageAnalysis]: Checked inductivity of 1613 backedges. 1250 proven. 171 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-11-21 15:44:59,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1245635486] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:44:59,800 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:44:59,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 43] total 83 [2024-11-21 15:44:59,800 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:44:59,800 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 389 [2024-11-21 15:44:59,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:44:59,843 INFO L85 PathProgramCache]: Analyzing trace with hash 1433258228, now seen corresponding path program 1 times [2024-11-21 15:44:59,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:44:59,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520501144] [2024-11-21 15:44:59,843 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:44:59,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:45:00,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:45:02,051 INFO L134 CoverageAnalysis]: Checked inductivity of 1757 backedges. 556 proven. 843 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2024-11-21 15:45:02,052 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:45:02,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520501144] [2024-11-21 15:45:02,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520501144] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:45:02,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [232931454] [2024-11-21 15:45:02,052 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:45:02,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:45:02,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:45:02,216 INFO L256 TraceCheckSpWp]: Trace formula consists of 1669 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-21 15:45:02,219 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:45:03,768 INFO L134 CoverageAnalysis]: Checked inductivity of 1757 backedges. 1228 proven. 171 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2024-11-21 15:45:03,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [232931454] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:45:03,768 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:45:03,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 40] total 77 [2024-11-21 15:45:03,768 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:45:03,768 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 418 [2024-11-21 15:45:03,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:45:03,784 INFO L85 PathProgramCache]: Analyzing trace with hash -1046420143, now seen corresponding path program 1 times [2024-11-21 15:45:03,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:45:03,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696185654] [2024-11-21 15:45:03,784 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:45:03,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:45:03,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:45:06,280 INFO L134 CoverageAnalysis]: Checked inductivity of 1859 backedges. 872 proven. 738 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2024-11-21 15:45:06,280 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:45:06,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696185654] [2024-11-21 15:45:06,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696185654] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:45:06,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [650022505] [2024-11-21 15:45:06,280 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:45:06,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:45:06,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:45:06,478 INFO L256 TraceCheckSpWp]: Trace formula consists of 1751 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-21 15:45:06,481 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:45:08,625 INFO L134 CoverageAnalysis]: Checked inductivity of 1859 backedges. 1420 proven. 190 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2024-11-21 15:45:08,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [650022505] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:45:08,625 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:45:08,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 41] total 80 [2024-11-21 15:45:08,626 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:45:08,626 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 428 is hopeless, skipping. [2024-11-21 15:45:08,626 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 433 is hopeless, skipping. [2024-11-21 15:45:08,626 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 458 is hopeless, skipping. [2024-11-21 15:45:08,626 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 462 is hopeless, skipping. [2024-11-21 15:45:08,626 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 485 [2024-11-21 15:45:08,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:45:08,652 INFO L85 PathProgramCache]: Analyzing trace with hash -440208719, now seen corresponding path program 1 times [2024-11-21 15:45:08,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:45:08,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024867378] [2024-11-21 15:45:08,653 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:45:08,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:45:08,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:45:11,616 INFO L134 CoverageAnalysis]: Checked inductivity of 1988 backedges. 573 proven. 965 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2024-11-21 15:45:11,616 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:45:11,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024867378] [2024-11-21 15:45:11,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024867378] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:45:11,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [748125945] [2024-11-21 15:45:11,616 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:45:11,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:45:11,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:45:11,849 INFO L256 TraceCheckSpWp]: Trace formula consists of 1991 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-21 15:45:11,854 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:45:14,002 INFO L134 CoverageAnalysis]: Checked inductivity of 1988 backedges. 1348 proven. 190 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2024-11-21 15:45:14,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [748125945] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:45:14,002 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:45:14,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 41] total 80 [2024-11-21 15:45:14,003 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:45:14,003 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 489 is hopeless, skipping. [2024-11-21 15:45:14,003 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 491 is hopeless, skipping. [2024-11-21 15:45:14,003 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 518 is hopeless, skipping. [2024-11-21 15:45:14,003 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 561 is hopeless, skipping. [2024-11-21 15:45:14,003 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 596 is hopeless, skipping. [2024-11-21 15:45:14,003 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 598 [2024-11-21 15:45:14,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:45:14,018 INFO L85 PathProgramCache]: Analyzing trace with hash -1720875656, now seen corresponding path program 1 times [2024-11-21 15:45:14,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:45:14,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766445583] [2024-11-21 15:45:14,018 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:45:14,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:45:14,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:45:17,571 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 255 proven. 973 refuted. 0 times theorem prover too weak. 1118 trivial. 0 not checked. [2024-11-21 15:45:17,571 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:45:17,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766445583] [2024-11-21 15:45:17,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766445583] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:45:17,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1919218516] [2024-11-21 15:45:17,571 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:45:17,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:45:17,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:45:17,942 INFO L256 TraceCheckSpWp]: Trace formula consists of 2377 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-21 15:45:17,947 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:45:20,208 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 1038 proven. 190 refuted. 0 times theorem prover too weak. 1118 trivial. 0 not checked. [2024-11-21 15:45:20,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1919218516] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:45:20,209 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:45:20,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 41] total 80 [2024-11-21 15:45:20,209 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:45:20,209 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 646 is hopeless, skipping. [2024-11-21 15:45:20,209 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 663 [2024-11-21 15:45:20,209 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:45:20,209 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:45:20,209 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:45:20,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:45:20,210 INFO L85 PathProgramCache]: Analyzing trace with hash -1095677310, now seen corresponding path program 20 times [2024-11-21 15:45:20,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:45:20,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706089422] [2024-11-21 15:45:20,210 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:45:20,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:45:20,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:45:24,159 INFO L134 CoverageAnalysis]: Checked inductivity of 2438 backedges. 214 proven. 851 refuted. 0 times theorem prover too weak. 1373 trivial. 0 not checked. [2024-11-21 15:45:24,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:45:24,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706089422] [2024-11-21 15:45:24,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706089422] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:45:24,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1412514551] [2024-11-21 15:45:24,159 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 15:45:24,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:45:24,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:45:24,161 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 15:45:24,162 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 15:45:25,332 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-21 15:45:25,332 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:45:25,343 INFO L256 TraceCheckSpWp]: Trace formula consists of 2631 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-21 15:45:25,348 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:45:27,167 INFO L134 CoverageAnalysis]: Checked inductivity of 2438 backedges. 1765 proven. 171 refuted. 0 times theorem prover too weak. 502 trivial. 0 not checked. [2024-11-21 15:45:27,168 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:45:29,261 INFO L134 CoverageAnalysis]: Checked inductivity of 2438 backedges. 1562 proven. 374 refuted. 0 times theorem prover too weak. 502 trivial. 0 not checked. [2024-11-21 15:45:29,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1412514551] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:45:29,261 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:45:29,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 40, 40] total 117 [2024-11-21 15:45:29,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134555975] [2024-11-21 15:45:29,262 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:45:29,262 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 117 states [2024-11-21 15:45:29,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:45:29,264 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 117 interpolants. [2024-11-21 15:45:29,265 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1963, Invalid=11609, Unknown=0, NotChecked=0, Total=13572 [2024-11-21 15:45:29,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:45:29,265 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:45:29,265 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 117 states, 117 states have (on average 6.6923076923076925) internal successors, (783), 117 states have internal predecessors, (783), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:45:29,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:45:29,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:45:29,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:45:29,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:45:29,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:45:29,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:45:29,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:45:29,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:45:29,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:45:29,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:45:29,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-21 15:45:29,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-21 15:45:29,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-21 15:45:29,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-11-21 15:45:29,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-11-21 15:45:29,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:45:29,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:45:29,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 15:45:29,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-21 15:45:29,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:45:29,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:45:29,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-11-21 15:45:29,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-11-21 15:45:29,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-11-21 15:45:29,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:45:29,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:45:29,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:45:29,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:45:29,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:45:29,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:45:29,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:45:29,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:45:29,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:45:29,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:45:29,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:45:29,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-21 15:45:29,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-21 15:45:29,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-21 15:45:29,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-21 15:45:29,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-11-21 15:45:29,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:45:29,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:45:29,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 15:45:29,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 15:45:29,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:45:29,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:45:29,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-11-21 15:45:29,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-11-21 15:45:29,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-21 15:45:29,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-11-21 15:45:29,734 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 15:45:29,914 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,SelfDestructingSolverStorable110,SelfDestructingSolverStorable108,SelfDestructingSolverStorable109,SelfDestructingSolverStorable104,SelfDestructingSolverStorable105,SelfDestructingSolverStorable106,SelfDestructingSolverStorable107,SelfDestructingSolverStorable111,SelfDestructingSolverStorable101,SelfDestructingSolverStorable112,SelfDestructingSolverStorable102,SelfDestructingSolverStorable113,SelfDestructingSolverStorable103 [2024-11-21 15:45:29,914 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-21 15:45:29,914 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:45:29,915 INFO L139 ounterexampleChecker]: Examining path program with hash -782559472, occurence #3 [2024-11-21 15:45:29,915 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:45:29,915 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:45:29,915 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:45:29,915 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-11-21 15:45:29,915 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:45:29,915 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42 [2024-11-21 15:45:29,915 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:45:29,915 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 46 [2024-11-21 15:45:29,915 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:45:29,915 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 50 [2024-11-21 15:45:29,915 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:45:29,915 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-11-21 15:45:29,915 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:45:29,915 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 146 [2024-11-21 15:45:29,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:45:29,963 INFO L85 PathProgramCache]: Analyzing trace with hash 26306698, now seen corresponding path program 1 times [2024-11-21 15:45:29,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:45:29,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220472448] [2024-11-21 15:45:29,963 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:45:29,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:45:30,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 15:45:30,582 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-21 15:45:30,582 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-21 15:45:30,582 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 223 [2024-11-21 15:45:30,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:45:30,628 INFO L85 PathProgramCache]: Analyzing trace with hash -1025002938, now seen corresponding path program 1 times [2024-11-21 15:45:30,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:45:30,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614640909] [2024-11-21 15:45:30,628 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:45:30,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:45:31,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 15:45:31,757 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-21 15:45:31,757 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-21 15:45:31,758 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 297 is hopeless, skipping. [2024-11-21 15:45:31,758 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 370 [2024-11-21 15:45:31,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:45:31,787 INFO L85 PathProgramCache]: Analyzing trace with hash -292232566, now seen corresponding path program 1 times [2024-11-21 15:45:31,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:45:31,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205894320] [2024-11-21 15:45:31,787 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:45:31,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:45:31,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:45:35,910 INFO L134 CoverageAnalysis]: Checked inductivity of 1652 backedges. 928 proven. 501 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2024-11-21 15:45:35,910 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:45:35,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205894320] [2024-11-21 15:45:35,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205894320] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:45:35,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1689507520] [2024-11-21 15:45:35,910 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:45:35,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:45:36,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:45:36,084 INFO L256 TraceCheckSpWp]: Trace formula consists of 1609 conjuncts, 68 conjuncts are in the unsatisfiable core [2024-11-21 15:45:36,087 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:45:40,037 INFO L134 CoverageAnalysis]: Checked inductivity of 1652 backedges. 1239 proven. 190 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2024-11-21 15:45:40,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1689507520] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:45:40,037 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:45:40,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [65, 65] total 128 [2024-11-21 15:45:40,037 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:45:40,038 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 391 [2024-11-21 15:45:40,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:45:40,066 INFO L85 PathProgramCache]: Analyzing trace with hash 846176238, now seen corresponding path program 1 times [2024-11-21 15:45:40,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:45:40,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846187218] [2024-11-21 15:45:40,066 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:45:40,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:45:40,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:45:42,304 INFO L134 CoverageAnalysis]: Checked inductivity of 1796 backedges. 619 proven. 815 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2024-11-21 15:45:42,304 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:45:42,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846187218] [2024-11-21 15:45:42,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1846187218] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:45:42,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [414794325] [2024-11-21 15:45:42,304 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:45:42,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:45:42,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:45:42,480 INFO L256 TraceCheckSpWp]: Trace formula consists of 1687 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-21 15:45:42,483 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:45:44,168 INFO L134 CoverageAnalysis]: Checked inductivity of 1796 backedges. 1244 proven. 190 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2024-11-21 15:45:44,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [414794325] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:45:44,168 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:45:44,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 42] total 81 [2024-11-21 15:45:44,168 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:45:44,168 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 420 [2024-11-21 15:45:44,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:45:44,183 INFO L85 PathProgramCache]: Analyzing trace with hash -1574153055, now seen corresponding path program 1 times [2024-11-21 15:45:44,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:45:44,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539621818] [2024-11-21 15:45:44,183 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:45:44,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:45:44,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:45:46,785 INFO L134 CoverageAnalysis]: Checked inductivity of 1898 backedges. 1331 proven. 355 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2024-11-21 15:45:46,786 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:45:46,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539621818] [2024-11-21 15:45:46,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539621818] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:45:46,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [306968301] [2024-11-21 15:45:46,786 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:45:46,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:45:46,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:45:46,983 INFO L256 TraceCheckSpWp]: Trace formula consists of 1769 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-21 15:45:46,986 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:45:49,042 INFO L134 CoverageAnalysis]: Checked inductivity of 1898 backedges. 1496 proven. 190 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2024-11-21 15:45:49,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [306968301] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:45:49,042 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:45:49,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 46] total 89 [2024-11-21 15:45:49,043 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:45:49,043 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 430 is hopeless, skipping. [2024-11-21 15:45:49,043 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 435 is hopeless, skipping. [2024-11-21 15:45:49,043 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 460 is hopeless, skipping. [2024-11-21 15:45:49,043 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 464 is hopeless, skipping. [2024-11-21 15:45:49,043 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 487 [2024-11-21 15:45:49,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:45:49,061 INFO L85 PathProgramCache]: Analyzing trace with hash -887206485, now seen corresponding path program 1 times [2024-11-21 15:45:49,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:45:49,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822156820] [2024-11-21 15:45:49,061 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:45:49,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:45:49,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:45:52,050 INFO L134 CoverageAnalysis]: Checked inductivity of 2027 backedges. 643 proven. 957 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2024-11-21 15:45:52,051 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:45:52,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822156820] [2024-11-21 15:45:52,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822156820] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:45:52,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [2021991443] [2024-11-21 15:45:52,051 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:45:52,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:45:52,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:45:52,298 INFO L256 TraceCheckSpWp]: Trace formula consists of 2009 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-11-21 15:45:52,302 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:45:54,628 INFO L134 CoverageAnalysis]: Checked inductivity of 2027 backedges. 1390 proven. 210 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2024-11-21 15:45:54,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [2021991443] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:45:54,628 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:45:54,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 43] total 84 [2024-11-21 15:45:54,629 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:45:54,629 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 491 is hopeless, skipping. [2024-11-21 15:45:54,629 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 493 is hopeless, skipping. [2024-11-21 15:45:54,629 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 520 is hopeless, skipping. [2024-11-21 15:45:54,629 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 563 is hopeless, skipping. [2024-11-21 15:45:54,629 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 598 is hopeless, skipping. [2024-11-21 15:45:54,629 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 600 [2024-11-21 15:45:54,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:45:54,647 INFO L85 PathProgramCache]: Analyzing trace with hash 301968712, now seen corresponding path program 1 times [2024-11-21 15:45:54,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:45:54,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848789575] [2024-11-21 15:45:54,648 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:45:54,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:45:54,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:45:58,390 INFO L134 CoverageAnalysis]: Checked inductivity of 2385 backedges. 302 proven. 1010 refuted. 0 times theorem prover too weak. 1073 trivial. 0 not checked. [2024-11-21 15:45:58,390 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:45:58,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848789575] [2024-11-21 15:45:58,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848789575] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:45:58,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [2416327] [2024-11-21 15:45:58,390 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:45:58,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:45:58,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:45:58,717 INFO L256 TraceCheckSpWp]: Trace formula consists of 2395 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-11-21 15:45:58,721 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:46:01,259 INFO L134 CoverageAnalysis]: Checked inductivity of 2385 backedges. 1102 proven. 210 refuted. 0 times theorem prover too weak. 1073 trivial. 0 not checked. [2024-11-21 15:46:01,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [2416327] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:46:01,259 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:46:01,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 43] total 84 [2024-11-21 15:46:01,259 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:46:01,259 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 648 is hopeless, skipping. [2024-11-21 15:46:01,259 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 665 [2024-11-21 15:46:01,260 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:46:01,260 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:46:01,260 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:46:01,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:46:01,260 INFO L85 PathProgramCache]: Analyzing trace with hash 984161511, now seen corresponding path program 21 times [2024-11-21 15:46:01,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:46:01,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832101156] [2024-11-21 15:46:01,260 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:46:01,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:46:01,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:46:05,211 INFO L134 CoverageAnalysis]: Checked inductivity of 2477 backedges. 233 proven. 947 refuted. 0 times theorem prover too weak. 1297 trivial. 0 not checked. [2024-11-21 15:46:05,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:46:05,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832101156] [2024-11-21 15:46:05,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832101156] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:46:05,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1531067778] [2024-11-21 15:46:05,212 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-21 15:46:05,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:46:05,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:46:05,214 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 15:46:05,214 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 15:46:06,429 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-21 15:46:06,429 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:46:06,435 INFO L256 TraceCheckSpWp]: Trace formula consists of 852 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-21 15:46:06,438 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:46:06,560 INFO L134 CoverageAnalysis]: Checked inductivity of 2477 backedges. 57 proven. 6 refuted. 0 times theorem prover too weak. 2414 trivial. 0 not checked. [2024-11-21 15:46:06,560 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:46:06,680 INFO L134 CoverageAnalysis]: Checked inductivity of 2477 backedges. 57 proven. 6 refuted. 0 times theorem prover too weak. 2414 trivial. 0 not checked. [2024-11-21 15:46:06,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1531067778] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:46:06,680 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:46:06,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 5, 5] total 49 [2024-11-21 15:46:06,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507294689] [2024-11-21 15:46:06,680 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:46:06,681 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2024-11-21 15:46:06,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:46:06,682 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2024-11-21 15:46:06,682 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=498, Invalid=1854, Unknown=0, NotChecked=0, Total=2352 [2024-11-21 15:46:06,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:46:06,682 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:46:06,682 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 7.428571428571429) internal successors, (364), 49 states have internal predecessors, (364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:46:06,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:46:06,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:46:06,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:46:06,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:46:06,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:46:06,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:46:06,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:46:06,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:46:06,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:46:06,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:46:06,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-21 15:46:06,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-21 15:46:06,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-21 15:46:06,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-11-21 15:46:06,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-11-21 15:46:06,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:46:06,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:46:06,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 15:46:06,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-21 15:46:06,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:46:06,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:46:06,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-11-21 15:46:06,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-11-21 15:46:06,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-11-21 15:46:06,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-11-21 15:46:06,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:46:07,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:46:07,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:46:07,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:46:07,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:46:07,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:46:07,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:46:07,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:46:07,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:46:07,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:46:07,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:46:07,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-21 15:46:07,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-21 15:46:07,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-21 15:46:07,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-21 15:46:07,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-11-21 15:46:07,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:46:07,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:46:07,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 15:46:07,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 15:46:07,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:46:07,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:46:07,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-11-21 15:46:07,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-11-21 15:46:07,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-21 15:46:07,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-11-21 15:46:07,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-21 15:46:07,526 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 15:46:07,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120,SelfDestructingSolverStorable121,SelfDestructingSolverStorable119,SelfDestructingSolverStorable115,SelfDestructingSolverStorable126,SelfDestructingSolverStorable116,SelfDestructingSolverStorable117,SelfDestructingSolverStorable118,SelfDestructingSolverStorable122,SelfDestructingSolverStorable123,SelfDestructingSolverStorable124,21 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable114,SelfDestructingSolverStorable125 [2024-11-21 15:46:07,708 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-21 15:46:07,708 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:46:07,709 INFO L139 ounterexampleChecker]: Examining path program with hash 95587459, occurence #1 [2024-11-21 15:46:07,709 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 15:46:07,709 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:46:07,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:46:07,709 INFO L85 PathProgramCache]: Analyzing trace with hash -638112662, now seen corresponding path program 22 times [2024-11-21 15:46:07,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:46:07,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674498025] [2024-11-21 15:46:07,710 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:46:07,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:46:08,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:46:12,201 INFO L134 CoverageAnalysis]: Checked inductivity of 2944 backedges. 188 proven. 763 refuted. 0 times theorem prover too weak. 1993 trivial. 0 not checked. [2024-11-21 15:46:12,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:46:12,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674498025] [2024-11-21 15:46:12,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674498025] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:46:12,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [211698849] [2024-11-21 15:46:12,201 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-21 15:46:12,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:46:12,202 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:46:12,203 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 15:46:12,204 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 15:46:13,687 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-21 15:46:13,688 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:46:13,706 INFO L256 TraceCheckSpWp]: Trace formula consists of 3076 conjuncts, 65 conjuncts are in the unsatisfiable core [2024-11-21 15:46:13,713 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:46:18,077 INFO L134 CoverageAnalysis]: Checked inductivity of 2944 backedges. 2157 proven. 355 refuted. 0 times theorem prover too weak. 432 trivial. 0 not checked. [2024-11-21 15:46:18,077 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:46:18,082 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 4 [2024-11-21 15:46:22,222 INFO L134 CoverageAnalysis]: Checked inductivity of 2944 backedges. 2279 proven. 233 refuted. 0 times theorem prover too weak. 432 trivial. 0 not checked. [2024-11-21 15:46:22,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [211698849] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:46:22,222 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:46:22,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 61, 61] total 162 [2024-11-21 15:46:22,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330631861] [2024-11-21 15:46:22,222 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:46:22,223 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 162 states [2024-11-21 15:46:22,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:46:22,225 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 162 interpolants. [2024-11-21 15:46:22,228 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=4851, Invalid=21231, Unknown=0, NotChecked=0, Total=26082 [2024-11-21 15:46:22,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:46:22,228 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:46:22,228 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 162 states, 162 states have (on average 7.407407407407407) internal successors, (1200), 162 states have internal predecessors, (1200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:46:22,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:46:22,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:46:22,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:46:22,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:46:22,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:46:22,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:46:22,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:46:22,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:46:22,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:46:22,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:46:22,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-21 15:46:22,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-21 15:46:22,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-21 15:46:22,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-11-21 15:46:22,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-11-21 15:46:22,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:46:22,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:46:22,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 15:46:22,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-21 15:46:22,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:46:22,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:46:22,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-11-21 15:46:22,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-11-21 15:46:22,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-11-21 15:46:22,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-11-21 15:46:22,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-11-21 15:46:22,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:46:22,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:46:22,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:46:22,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:46:22,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:46:22,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:46:22,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:46:22,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 15:46:22,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:46:22,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:46:22,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:46:22,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-21 15:46:22,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-21 15:46:22,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-21 15:46:22,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-21 15:46:22,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-11-21 15:46:22,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:46:22,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 15:46:22,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 15:46:22,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 15:46:22,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:46:22,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:46:22,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-11-21 15:46:22,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-11-21 15:46:22,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-21 15:46:22,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-11-21 15:46:22,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-21 15:46:22,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-11-21 15:46:22,993 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 15:46:23,169 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable127 [2024-11-21 15:46:23,169 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-21 15:46:23,169 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:46:23,170 INFO L139 ounterexampleChecker]: Examining path program with hash 95587459, occurence #2 [2024-11-21 15:46:23,170 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:46:23,170 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:46:23,170 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:46:23,170 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-21 15:46:23,170 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:46:23,170 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2024-11-21 15:46:23,170 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:46:23,170 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 63 [2024-11-21 15:46:23,170 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:46:23,170 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 67 [2024-11-21 15:46:23,171 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:46:23,171 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2024-11-21 15:46:23,171 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:46:23,171 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 163 [2024-11-21 15:46:23,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:46:23,221 INFO L85 PathProgramCache]: Analyzing trace with hash 1290955554, now seen corresponding path program 1 times [2024-11-21 15:46:23,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:46:23,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078794389] [2024-11-21 15:46:23,221 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:46:23,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:46:25,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 15:46:25,410 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-21 15:46:25,410 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-21 15:46:25,410 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 240 [2024-11-21 15:46:25,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:46:25,460 INFO L85 PathProgramCache]: Analyzing trace with hash 426345612, now seen corresponding path program 1 times [2024-11-21 15:46:25,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:46:25,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914108809] [2024-11-21 15:46:25,460 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:46:25,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:46:27,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 15:46:27,908 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-21 15:46:27,908 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-21 15:46:27,908 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 314 is hopeless, skipping. [2024-11-21 15:46:27,908 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 387 [2024-11-21 15:46:27,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:46:27,939 INFO L85 PathProgramCache]: Analyzing trace with hash 1876224290, now seen corresponding path program 1 times [2024-11-21 15:46:27,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:46:27,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117333998] [2024-11-21 15:46:27,940 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:46:27,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:46:28,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:46:30,384 INFO L134 CoverageAnalysis]: Checked inductivity of 2128 backedges. 1080 proven. 380 refuted. 0 times theorem prover too weak. 668 trivial. 0 not checked. [2024-11-21 15:46:30,384 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:46:30,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117333998] [2024-11-21 15:46:30,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117333998] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:46:30,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1436310833] [2024-11-21 15:46:30,384 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:46:30,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:46:30,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:46:30,568 INFO L256 TraceCheckSpWp]: Trace formula consists of 1762 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-21 15:46:30,572 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:46:32,516 INFO L134 CoverageAnalysis]: Checked inductivity of 2128 backedges. 1250 proven. 210 refuted. 0 times theorem prover too weak. 668 trivial. 0 not checked. [2024-11-21 15:46:32,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1436310833] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:46:32,516 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:46:32,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 45] total 88 [2024-11-21 15:46:32,516 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:46:32,517 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 408 [2024-11-21 15:46:32,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:46:32,545 INFO L85 PathProgramCache]: Analyzing trace with hash -1329295564, now seen corresponding path program 1 times [2024-11-21 15:46:32,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:46:32,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228714320] [2024-11-21 15:46:32,545 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:46:32,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:46:32,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:46:34,954 INFO L134 CoverageAnalysis]: Checked inductivity of 2272 backedges. 750 proven. 770 refuted. 0 times theorem prover too weak. 752 trivial. 0 not checked. [2024-11-21 15:46:34,954 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:46:34,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228714320] [2024-11-21 15:46:34,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [228714320] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:46:34,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [366156921] [2024-11-21 15:46:34,954 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:46:34,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:46:35,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:46:35,144 INFO L256 TraceCheckSpWp]: Trace formula consists of 1840 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-11-21 15:46:35,147 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:46:36,979 INFO L134 CoverageAnalysis]: Checked inductivity of 2272 backedges. 1310 proven. 210 refuted. 0 times theorem prover too weak. 752 trivial. 0 not checked. [2024-11-21 15:46:36,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [366156921] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:46:36,979 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:46:36,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 44] total 85 [2024-11-21 15:46:36,979 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:46:36,980 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 437 [2024-11-21 15:46:36,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:46:36,994 INFO L85 PathProgramCache]: Analyzing trace with hash -2099254535, now seen corresponding path program 1 times [2024-11-21 15:46:36,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:46:36,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253476668] [2024-11-21 15:46:36,994 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:46:36,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:46:37,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:46:39,638 INFO L134 CoverageAnalysis]: Checked inductivity of 2374 backedges. 1184 proven. 508 refuted. 0 times theorem prover too weak. 682 trivial. 0 not checked. [2024-11-21 15:46:39,638 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:46:39,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253476668] [2024-11-21 15:46:39,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253476668] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:46:39,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1532492716] [2024-11-21 15:46:39,638 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:46:39,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:46:39,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:46:39,860 INFO L256 TraceCheckSpWp]: Trace formula consists of 1922 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-21 15:46:39,863 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:46:41,869 INFO L134 CoverageAnalysis]: Checked inductivity of 2374 backedges. 1482 proven. 210 refuted. 0 times theorem prover too weak. 682 trivial. 0 not checked. [2024-11-21 15:46:41,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1532492716] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:46:41,869 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:46:41,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 45] total 87 [2024-11-21 15:46:41,869 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:46:41,869 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 447 is hopeless, skipping. [2024-11-21 15:46:41,870 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 452 is hopeless, skipping. [2024-11-21 15:46:41,870 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 477 is hopeless, skipping. [2024-11-21 15:46:41,870 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 481 is hopeless, skipping. [2024-11-21 15:46:41,870 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 504 [2024-11-21 15:46:41,892 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:46:41,893 INFO L85 PathProgramCache]: Analyzing trace with hash -1477957391, now seen corresponding path program 1 times [2024-11-21 15:46:41,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:46:41,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009146961] [2024-11-21 15:46:41,893 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:46:41,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:46:42,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:46:44,892 INFO L134 CoverageAnalysis]: Checked inductivity of 2503 backedges. 202 proven. 694 refuted. 0 times theorem prover too weak. 1607 trivial. 0 not checked. [2024-11-21 15:46:44,892 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:46:44,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009146961] [2024-11-21 15:46:44,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1009146961] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:46:44,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1144405311] [2024-11-21 15:46:44,893 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:46:44,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:46:45,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:46:45,161 INFO L256 TraceCheckSpWp]: Trace formula consists of 2162 conjuncts, 56 conjuncts are in the unsatisfiable core [2024-11-21 15:46:45,165 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:46:45,559 INFO L134 CoverageAnalysis]: Checked inductivity of 2503 backedges. 202 proven. 716 refuted. 0 times theorem prover too weak. 1585 trivial. 0 not checked. [2024-11-21 15:46:45,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1144405311] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:46:45,559 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:46:45,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 6 [2024-11-21 15:46:45,560 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:46:45,560 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 508 is hopeless, skipping. [2024-11-21 15:46:45,560 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 510 is hopeless, skipping. [2024-11-21 15:46:45,560 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 537 is hopeless, skipping. [2024-11-21 15:46:45,560 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 580 is hopeless, skipping. [2024-11-21 15:46:45,560 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 615 is hopeless, skipping. [2024-11-21 15:46:45,560 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 617 [2024-11-21 15:46:45,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:46:45,578 INFO L85 PathProgramCache]: Analyzing trace with hash 1032927520, now seen corresponding path program 1 times [2024-11-21 15:46:45,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:46:45,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570863454] [2024-11-21 15:46:45,579 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:46:45,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:46:45,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:46:49,303 INFO L134 CoverageAnalysis]: Checked inductivity of 2861 backedges. 258 proven. 987 refuted. 0 times theorem prover too weak. 1616 trivial. 0 not checked. [2024-11-21 15:46:49,303 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:46:49,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570863454] [2024-11-21 15:46:49,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570863454] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:46:49,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [759749370] [2024-11-21 15:46:49,303 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:46:49,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:46:49,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:46:49,659 INFO L256 TraceCheckSpWp]: Trace formula consists of 2548 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-11-21 15:46:49,663 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:46:51,641 INFO L134 CoverageAnalysis]: Checked inductivity of 2861 backedges. 1035 proven. 210 refuted. 0 times theorem prover too weak. 1616 trivial. 0 not checked. [2024-11-21 15:46:51,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [759749370] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:46:51,642 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:46:51,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 44] total 85 [2024-11-21 15:46:51,642 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:46:51,642 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 654 [2024-11-21 15:46:51,642 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:46:51,642 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 656 is hopeless, skipping. [2024-11-21 15:46:51,642 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 691 is hopeless, skipping. [2024-11-21 15:46:51,642 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 693 is hopeless, skipping. [2024-11-21 15:46:51,642 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 720 is hopeless, skipping. [2024-11-21 15:46:51,642 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 743 is hopeless, skipping. [2024-11-21 15:46:51,642 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 747 is hopeless, skipping. [2024-11-21 15:46:51,642 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 752 is hopeless, skipping. [2024-11-21 15:46:51,642 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 779 is hopeless, skipping. [2024-11-21 15:46:51,643 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 791 [2024-11-21 15:46:51,643 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:46:51,643 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:46:51,643 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:46:51,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:46:51,645 INFO L85 PathProgramCache]: Analyzing trace with hash 647626981, now seen corresponding path program 23 times [2024-11-21 15:46:51,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:46:51,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669363170] [2024-11-21 15:46:51,645 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:46:51,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:46:52,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:46:59,995 INFO L134 CoverageAnalysis]: Checked inductivity of 3399 backedges. 665 proven. 1673 refuted. 0 times theorem prover too weak. 1061 trivial. 0 not checked. [2024-11-21 15:46:59,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:46:59,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669363170] [2024-11-21 15:46:59,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669363170] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:46:59,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1348792437] [2024-11-21 15:46:59,995 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-21 15:46:59,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:46:59,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:46:59,997 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 15:46:59,998 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 Killed by 15