/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline_IcfgBuilder.xml -s ../benchexec/../../../trunk/examples/settings/default/gemcutter/svcomp-Reach-32bit-GemCutter_Default.epf --preprocessor.replace.while.statements.and.if-then-else.statements false -i ../../../trunk/examples/svcomp/weaver/popl20-more-buffer-series.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.3.0-dev-4cc0a57-m [2025-04-14 16:25:43,694 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-14 16:25:43,753 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../benchexec/../../../trunk/examples/settings/default/gemcutter/svcomp-Reach-32bit-GemCutter_Default.epf [2025-04-14 16:25:43,757 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-14 16:25:43,757 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-14 16:25:43,776 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-14 16:25:43,777 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-14 16:25:43,777 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-14 16:25:43,777 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-14 16:25:43,777 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-14 16:25:43,778 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-14 16:25:43,778 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-14 16:25:43,778 INFO L153 SettingsManager]: * Use SBE=true [2025-04-14 16:25:43,779 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-14 16:25:43,779 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-14 16:25:43,779 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-14 16:25:43,779 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-14 16:25:43,779 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-14 16:25:43,780 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-14 16:25:43,780 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-14 16:25:43,780 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-14 16:25:43,780 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-14 16:25:43,780 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-14 16:25:43,780 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-14 16:25:43,780 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-14 16:25:43,780 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-14 16:25:43,780 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-14 16:25:43,780 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-14 16:25:43,780 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-14 16:25:43,780 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-14 16:25:43,781 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 16:25:43,781 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-14 16:25:43,781 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-14 16:25:43,781 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-14 16:25:43,781 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-14 16:25:43,781 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 16:25:43,781 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-14 16:25:43,781 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-14 16:25:43,781 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-14 16:25:43,781 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-04-14 16:25:43,781 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-14 16:25:43,781 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-14 16:25:43,781 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-04-14 16:25:43,781 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-14 16:25:43,781 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-04-14 16:25:43,782 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-04-14 16:25:43,782 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-04-14 16:25:43,782 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false [2025-04-14 16:25:43,983 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-14 16:25:43,987 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-14 16:25:43,989 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-14 16:25:43,989 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-14 16:25:43,990 INFO L274 PluginConnector]: CDTParser initialized [2025-04-14 16:25:43,990 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-buffer-series.wvr.c [2025-04-14 16:25:45,207 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bcfba0cf/004c8ba07c124992b04325ad128d731d/FLAGc32155bd6 [2025-04-14 16:25:45,379 INFO L389 CDTParser]: Found 1 translation units. [2025-04-14 16:25:45,380 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-buffer-series.wvr.c [2025-04-14 16:25:45,386 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bcfba0cf/004c8ba07c124992b04325ad128d731d/FLAGc32155bd6 [2025-04-14 16:25:46,256 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bcfba0cf/004c8ba07c124992b04325ad128d731d [2025-04-14 16:25:46,258 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-14 16:25:46,259 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-04-14 16:25:46,260 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-14 16:25:46,260 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-14 16:25:46,262 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-14 16:25:46,263 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.04 04:25:46" (1/1) ... [2025-04-14 16:25:46,263 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5283c3f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 04:25:46, skipping insertion in model container [2025-04-14 16:25:46,264 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.04 04:25:46" (1/1) ... [2025-04-14 16:25:46,276 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-14 16:25:46,455 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-buffer-series.wvr.c[4403,4416] [2025-04-14 16:25:46,466 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-14 16:25:46,478 INFO L200 MainTranslator]: Completed pre-run [2025-04-14 16:25:46,522 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-buffer-series.wvr.c[4403,4416] [2025-04-14 16:25:46,529 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-14 16:25:46,545 INFO L204 MainTranslator]: Completed translation [2025-04-14 16:25:46,545 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 04:25:46 WrapperNode [2025-04-14 16:25:46,545 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-14 16:25:46,546 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-14 16:25:46,546 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-14 16:25:46,546 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-14 16:25:46,550 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 04:25:46" (1/1) ... [2025-04-14 16:25:46,560 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 04:25:46" (1/1) ... [2025-04-14 16:25:46,587 INFO L138 Inliner]: procedures = 26, calls = 67, calls flagged for inlining = 22, calls inlined = 28, statements flattened = 319 [2025-04-14 16:25:46,587 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-14 16:25:46,588 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-14 16:25:46,588 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-14 16:25:46,588 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-14 16:25:46,594 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 04:25:46" (1/1) ... [2025-04-14 16:25:46,595 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 04:25:46" (1/1) ... [2025-04-14 16:25:46,601 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 04:25:46" (1/1) ... [2025-04-14 16:25:46,602 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 04:25:46" (1/1) ... [2025-04-14 16:25:46,611 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 04:25:46" (1/1) ... [2025-04-14 16:25:46,612 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 04:25:46" (1/1) ... [2025-04-14 16:25:46,613 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 04:25:46" (1/1) ... [2025-04-14 16:25:46,614 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 04:25:46" (1/1) ... [2025-04-14 16:25:46,618 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-14 16:25:46,619 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-04-14 16:25:46,619 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-04-14 16:25:46,619 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-04-14 16:25:46,620 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 04:25:46" (1/1) ... [2025-04-14 16:25:46,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 16:25:46,633 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:25:46,643 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-04-14 16:25:46,645 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-04-14 16:25:46,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-14 16:25:46,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-04-14 16:25:46,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-04-14 16:25:46,659 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-04-14 16:25:46,659 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-04-14 16:25:46,659 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-04-14 16:25:46,659 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-04-14 16:25:46,659 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-04-14 16:25:46,659 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-04-14 16:25:46,659 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2025-04-14 16:25:46,659 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2025-04-14 16:25:46,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-04-14 16:25:46,659 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-04-14 16:25:46,659 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-04-14 16:25:46,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-04-14 16:25:46,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-14 16:25:46,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-14 16:25:46,660 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-04-14 16:25:46,728 INFO L256 CfgBuilder]: Building ICFG [2025-04-14 16:25:46,729 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-14 16:25:47,058 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-14 16:25:47,059 INFO L307 CfgBuilder]: Performing block encoding [2025-04-14 16:25:47,321 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-14 16:25:47,321 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-14 16:25:47,321 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.04 04:25:47 BoogieIcfgContainer [2025-04-14 16:25:47,321 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-04-14 16:25:47,323 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-14 16:25:47,323 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-14 16:25:47,326 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-14 16:25:47,326 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.04 04:25:46" (1/3) ... [2025-04-14 16:25:47,326 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4692567a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.04 04:25:47, skipping insertion in model container [2025-04-14 16:25:47,326 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 04:25:46" (2/3) ... [2025-04-14 16:25:47,326 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4692567a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.04 04:25:47, skipping insertion in model container [2025-04-14 16:25:47,327 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.04 04:25:47" (3/3) ... [2025-04-14 16:25:47,327 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-more-buffer-series.wvr.c [2025-04-14 16:25:47,338 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-14 16:25:47,340 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-more-buffer-series.wvr.c that has 5 procedures, 46 locations, 48 edges, 1 initial locations, 7 loop locations, and 1 error locations. [2025-04-14 16:25:47,340 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-14 16:25:47,397 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2025-04-14 16:25:47,430 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-14 16:25:47,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-04-14 16:25:47,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:25:47,435 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2025-04-14 16:25:47,438 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2025-04-14 16:25:47,496 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-04-14 16:25:47,510 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-04-14 16:25:47,518 INFO L340 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;@889c2e6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-14 16:25:47,518 INFO L341 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2025-04-14 16:25:48,538 INFO L403 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)] === [2025-04-14 16:25:48,538 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:25:48,539 INFO L139 ounterexampleChecker]: Examining path program with hash -411332211, occurence #1 [2025-04-14 16:25:48,539 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 16:25:48,539 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:25:48,541 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:25:48,541 INFO L85 PathProgramCache]: Analyzing trace with hash 1241439047, now seen corresponding path program 1 times [2025-04-14 16:25:48,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:25:48,546 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196749786] [2025-04-14 16:25:48,546 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:25:48,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:25:48,604 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 141 statements into 1 equivalence classes. [2025-04-14 16:25:48,832 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 141 of 141 statements. [2025-04-14 16:25:48,832 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:25:48,832 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:25:49,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 16:25:49,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:25:49,409 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196749786] [2025-04-14 16:25:49,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [196749786] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 16:25:49,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 16:25:49,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-14 16:25:49,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687743639] [2025-04-14 16:25:49,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 16:25:49,416 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-14 16:25:49,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:25:49,428 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-14 16:25:49,429 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-04-14 16:25:49,429 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:25:49,430 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:25:49,431 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 16:25:49,431 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:25:49,580 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:25:49,581 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-14 16:25:49,581 INFO L403 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)] === [2025-04-14 16:25:49,581 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:25:49,581 INFO L139 ounterexampleChecker]: Examining path program with hash -411332211, occurence #2 [2025-04-14 16:25:49,581 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 16:25:49,582 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 16:25:49,582 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:25:49,582 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2025-04-14 16:25:49,582 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:25:49,582 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-04-14 16:25:49,592 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:25:49,592 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2025-04-14 16:25:49,592 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:25:49,592 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-04-14 16:25:49,592 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:25:49,592 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2025-04-14 16:25:49,592 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:25:49,592 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 65 [2025-04-14 16:25:49,668 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:25:49,670 INFO L85 PathProgramCache]: Analyzing trace with hash -814781847, now seen corresponding path program 1 times [2025-04-14 16:25:49,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:25:49,671 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143969322] [2025-04-14 16:25:49,671 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:25:49,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:25:49,687 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes. [2025-04-14 16:25:49,728 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements. [2025-04-14 16:25:49,729 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:25:49,729 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:25:49,953 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-14 16:25:49,953 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 16:25:49,953 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143969322] [2025-04-14 16:25:49,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [143969322] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 16:25:49,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 16:25:49,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-04-14 16:25:49,955 INFO L172 ounterexampleChecker]: Successfully proved commutativity at non-minimality point 65. Constructing proof automaton... [2025-04-14 16:25:49,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 16:25:49,956 INFO L311 artialOrderCegarLoop]: Commutativity proof succeeded, skipping feasibility check. [2025-04-14 16:25:49,956 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-14 16:25:49,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SMTINTERPOL [2025-04-14 16:25:49,957 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-14 16:25:49,957 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-04-14 16:25:49,957 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:25:49,958 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:25:49,959 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 16:25:49,959 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:25:49,959 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:25:50,082 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:25:50,082 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:25:50,083 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-04-14 16:25:50,083 INFO L403 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)] === [2025-04-14 16:25:50,083 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:25:50,083 INFO L139 ounterexampleChecker]: Examining path program with hash -411332211, occurence #3 [2025-04-14 16:25:50,083 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 16:25:50,083 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 16:25:50,084 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:25:50,084 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-04-14 16:25:50,084 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:25:50,084 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-04-14 16:25:50,084 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:25:50,084 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-04-14 16:25:50,084 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:25:50,084 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2025-04-14 16:25:50,084 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:25:50,084 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2025-04-14 16:25:50,084 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:25:50,084 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 66 [2025-04-14 16:25:50,153 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:25:50,153 INFO L85 PathProgramCache]: Analyzing trace with hash -23508373, now seen corresponding path program 1 times [2025-04-14 16:25:50,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:25:50,153 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456158664] [2025-04-14 16:25:50,153 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:25:50,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:25:50,172 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 67 statements into 1 equivalence classes. [2025-04-14 16:25:50,201 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 67 of 67 statements. [2025-04-14 16:25:50,201 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:25:50,201 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:25:50,402 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-14 16:25:50,402 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 16:25:50,402 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456158664] [2025-04-14 16:25:50,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456158664] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:25:50,402 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1887148236] [2025-04-14 16:25:50,403 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:25:50,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:25:50,422 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 67 statements into 1 equivalence classes. [2025-04-14 16:25:50,452 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 67 of 67 statements. [2025-04-14 16:25:50,452 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:25:50,452 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:25:50,455 INFO L256 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-04-14 16:25:50,464 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:25:50,548 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-14 16:25:50,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1887148236] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:25:50,548 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 16:25:50,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2025-04-14 16:25:50,549 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 16:25:50,549 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2025-04-14 16:25:50,569 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:25:50,569 INFO L85 PathProgramCache]: Analyzing trace with hash -671685256, now seen corresponding path program 1 times [2025-04-14 16:25:50,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:25:50,569 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256584945] [2025-04-14 16:25:50,569 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:25:50,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:25:50,580 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-04-14 16:25:50,609 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-04-14 16:25:50,609 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:25:50,609 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:25:50,834 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-14 16:25:50,834 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 16:25:50,834 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256584945] [2025-04-14 16:25:50,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256584945] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:25:50,835 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [605942278] [2025-04-14 16:25:50,835 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:25:50,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:25:50,845 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-04-14 16:25:50,868 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-04-14 16:25:50,868 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:25:50,868 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:25:50,870 INFO L256 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-04-14 16:25:50,872 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:25:50,976 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-14 16:25:50,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [605942278] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:25:50,976 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 16:25:50,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2025-04-14 16:25:50,976 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 16:25:50,976 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 79 [2025-04-14 16:25:51,037 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:25:51,037 INFO L85 PathProgramCache]: Analyzing trace with hash -1587529263, now seen corresponding path program 1 times [2025-04-14 16:25:51,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:25:51,038 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132384618] [2025-04-14 16:25:51,038 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:25:51,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:25:51,048 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-04-14 16:25:51,066 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-04-14 16:25:51,067 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:25:51,067 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:25:51,255 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-14 16:25:51,255 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 16:25:51,255 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132384618] [2025-04-14 16:25:51,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132384618] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:25:51,255 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [455818263] [2025-04-14 16:25:51,255 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:25:51,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:25:51,265 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-04-14 16:25:51,292 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-04-14 16:25:51,293 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:25:51,293 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:25:51,295 INFO L256 TraceCheckSpWp]: Trace formula consists of 446 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-04-14 16:25:51,299 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:25:51,384 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-14 16:25:51,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [455818263] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:25:51,384 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 16:25:51,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2025-04-14 16:25:51,384 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 16:25:51,385 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 109 is hopeless, skipping. [2025-04-14 16:25:51,385 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 118 is hopeless, skipping. [2025-04-14 16:25:51,385 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 139 [2025-04-14 16:25:51,385 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:25:51,385 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 141 [2025-04-14 16:25:51,385 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:25:51,385 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 16:25:51,385 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:25:51,385 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:25:51,385 INFO L85 PathProgramCache]: Analyzing trace with hash 1473423746, now seen corresponding path program 1 times [2025-04-14 16:25:51,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:25:51,385 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071544311] [2025-04-14 16:25:51,385 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:25:51,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:25:51,399 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 143 statements into 1 equivalence classes. [2025-04-14 16:25:51,438 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 143 of 143 statements. [2025-04-14 16:25:51,438 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:25:51,438 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:25:51,775 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-14 16:25:51,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:25:51,775 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071544311] [2025-04-14 16:25:51,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071544311] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:25:51,775 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [755993142] [2025-04-14 16:25:51,775 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:25:51,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:25:51,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:25:51,777 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 16:25:51,779 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-04-14 16:25:51,856 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 143 statements into 1 equivalence classes. [2025-04-14 16:25:51,934 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 143 of 143 statements. [2025-04-14 16:25:51,934 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:25:51,934 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:25:51,937 INFO L256 TraceCheckSpWp]: Trace formula consists of 715 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-04-14 16:25:51,940 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:25:52,026 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-14 16:25:52,026 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 16:25:52,121 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-14 16:25:52,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [755993142] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 16:25:52,121 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 16:25:52,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2025-04-14 16:25:52,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855193672] [2025-04-14 16:25:52,122 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 16:25:52,122 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-04-14 16:25:52,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:25:52,123 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-04-14 16:25:52,123 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2025-04-14 16:25:52,123 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:25:52,123 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:25:52,123 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.166666666666666) internal successors, (110), 11 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 16:25:52,123 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:25:52,123 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:25:52,123 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:25:52,266 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:25:52,266 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:25:52,267 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:25:52,274 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-04-14 16:25:52,467 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3,SelfDestructingSolverStorable2,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5 [2025-04-14 16:25:52,468 INFO L403 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)] === [2025-04-14 16:25:52,468 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:25:52,468 INFO L139 ounterexampleChecker]: Examining path program with hash -411332211, occurence #4 [2025-04-14 16:25:52,468 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 16:25:52,468 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 16:25:52,469 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:25:52,469 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-04-14 16:25:52,469 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:25:52,469 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-04-14 16:25:52,469 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:25:52,469 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-04-14 16:25:52,469 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:25:52,469 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2025-04-14 16:25:52,469 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:25:52,469 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2025-04-14 16:25:52,469 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:25:52,469 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 67 [2025-04-14 16:25:52,522 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:25:52,522 INFO L85 PathProgramCache]: Analyzing trace with hash 2013205040, now seen corresponding path program 1 times [2025-04-14 16:25:52,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:25:52,522 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614077861] [2025-04-14 16:25:52,522 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:25:52,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:25:52,538 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-04-14 16:25:52,551 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-04-14 16:25:52,552 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:25:52,552 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:25:52,771 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-14 16:25:52,771 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 16:25:52,772 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614077861] [2025-04-14 16:25:52,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614077861] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:25:52,772 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [128347664] [2025-04-14 16:25:52,772 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:25:52,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:25:52,782 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-04-14 16:25:52,805 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-04-14 16:25:52,805 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:25:52,805 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:25:52,809 INFO L256 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-04-14 16:25:52,811 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:25:52,946 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-14 16:25:52,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [128347664] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:25:52,946 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 16:25:52,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2025-04-14 16:25:52,947 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 16:25:52,947 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 72 [2025-04-14 16:25:52,967 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:25:52,967 INFO L85 PathProgramCache]: Analyzing trace with hash 1256493893, now seen corresponding path program 1 times [2025-04-14 16:25:52,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:25:52,967 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169464996] [2025-04-14 16:25:52,967 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:25:52,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:25:52,976 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 73 statements into 1 equivalence classes. [2025-04-14 16:25:52,991 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-04-14 16:25:52,991 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:25:52,991 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:25:53,177 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-14 16:25:53,177 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 16:25:53,177 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169464996] [2025-04-14 16:25:53,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169464996] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:25:53,177 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [472319060] [2025-04-14 16:25:53,178 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:25:53,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:25:53,187 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 73 statements into 1 equivalence classes. [2025-04-14 16:25:53,204 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-04-14 16:25:53,205 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:25:53,205 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:25:53,206 INFO L256 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-04-14 16:25:53,208 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:25:53,328 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-14 16:25:53,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [472319060] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:25:53,328 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 16:25:53,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2025-04-14 16:25:53,328 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 16:25:53,328 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 80 [2025-04-14 16:25:53,386 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:25:53,386 INFO L85 PathProgramCache]: Analyzing trace with hash -1699355746, now seen corresponding path program 1 times [2025-04-14 16:25:53,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:25:53,386 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128556247] [2025-04-14 16:25:53,386 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:25:53,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:25:53,396 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-04-14 16:25:53,411 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-04-14 16:25:53,411 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:25:53,411 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:25:53,580 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-14 16:25:53,581 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 16:25:53,581 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128556247] [2025-04-14 16:25:53,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128556247] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:25:53,581 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [895808803] [2025-04-14 16:25:53,581 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:25:53,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:25:53,590 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-04-14 16:25:53,610 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-04-14 16:25:53,611 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:25:53,611 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:25:53,612 INFO L256 TraceCheckSpWp]: Trace formula consists of 455 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-04-14 16:25:53,614 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:25:53,744 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-14 16:25:53,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [895808803] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:25:53,744 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 16:25:53,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2025-04-14 16:25:53,744 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 16:25:53,745 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 110 is hopeless, skipping. [2025-04-14 16:25:53,745 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 119 is hopeless, skipping. [2025-04-14 16:25:53,745 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 140 [2025-04-14 16:25:53,745 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:25:53,745 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 142 [2025-04-14 16:25:53,745 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:25:53,745 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 16:25:53,745 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:25:53,745 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:25:53,745 INFO L85 PathProgramCache]: Analyzing trace with hash 1437783870, now seen corresponding path program 2 times [2025-04-14 16:25:53,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:25:53,745 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133617197] [2025-04-14 16:25:53,745 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 16:25:53,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:25:53,781 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 144 statements into 2 equivalence classes. [2025-04-14 16:25:53,813 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 141 of 144 statements. [2025-04-14 16:25:53,813 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-14 16:25:53,813 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:25:54,463 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-04-14 16:25:54,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:25:54,464 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133617197] [2025-04-14 16:25:54,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2133617197] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 16:25:54,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 16:25:54,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2025-04-14 16:25:54,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165086003] [2025-04-14 16:25:54,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 16:25:54,465 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-04-14 16:25:54,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:25:54,466 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-04-14 16:25:54,466 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2025-04-14 16:25:54,466 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:25:54,466 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:25:54,466 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 7.8) internal successors, (117), 14 states have internal predecessors, (117), 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) [2025-04-14 16:25:54,466 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:25:54,466 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:25:54,466 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:25:54,466 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:25:54,829 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:25:54,830 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:25:54,830 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:25:54,830 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:25:54,830 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable9,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15 [2025-04-14 16:25:54,830 INFO L403 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)] === [2025-04-14 16:25:54,830 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:25:54,830 INFO L139 ounterexampleChecker]: Examining path program with hash -1106435223, occurence #1 [2025-04-14 16:25:54,830 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 16:25:54,830 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:25:54,831 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:25:54,831 INFO L85 PathProgramCache]: Analyzing trace with hash -539230994, now seen corresponding path program 3 times [2025-04-14 16:25:54,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:25:54,831 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537551452] [2025-04-14 16:25:54,831 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 16:25:54,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:25:54,843 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 111 statements into 4 equivalence classes. [2025-04-14 16:25:54,879 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 67 of 111 statements. [2025-04-14 16:25:54,879 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-04-14 16:25:54,879 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:25:54,994 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 6 proven. 26 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2025-04-14 16:25:54,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:25:54,995 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537551452] [2025-04-14 16:25:54,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537551452] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:25:54,995 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2000280488] [2025-04-14 16:25:54,995 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 16:25:54,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:25:54,995 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:25:54,997 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 16:25:54,998 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-04-14 16:25:55,068 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 111 statements into 4 equivalence classes. [2025-04-14 16:25:55,111 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 67 of 111 statements. [2025-04-14 16:25:55,111 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-04-14 16:25:55,111 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:25:55,113 INFO L256 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-04-14 16:25:55,115 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:25:55,246 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 31 proven. 1 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2025-04-14 16:25:55,246 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 16:25:55,403 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 6 proven. 26 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2025-04-14 16:25:55,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2000280488] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 16:25:55,403 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 16:25:55,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2025-04-14 16:25:55,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294778076] [2025-04-14 16:25:55,404 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 16:25:55,404 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-04-14 16:25:55,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:25:55,404 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-04-14 16:25:55,404 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2025-04-14 16:25:55,404 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:25:55,405 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:25:55,405 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.166666666666667) internal successors, (86), 12 states have internal predecessors, (86), 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) [2025-04-14 16:25:55,405 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:25:55,405 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:25:55,405 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:25:55,405 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:25:55,405 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:25:55,586 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:25:55,586 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:25:55,586 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:25:55,587 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:25:55,587 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:25:55,593 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-04-14 16:25:55,787 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:25:55,787 INFO L403 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)] === [2025-04-14 16:25:55,787 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:25:55,788 INFO L139 ounterexampleChecker]: Examining path program with hash -1106435223, occurence #2 [2025-04-14 16:25:55,788 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 16:25:55,788 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 16:25:55,788 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:25:55,788 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-04-14 16:25:55,788 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:25:55,788 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-04-14 16:25:55,788 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:25:55,788 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2025-04-14 16:25:55,788 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:25:55,788 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2025-04-14 16:25:55,788 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:25:55,788 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2025-04-14 16:25:55,788 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:25:55,788 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 109 [2025-04-14 16:25:55,789 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:25:55,789 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 110 [2025-04-14 16:25:55,789 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:25:55,789 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 16:25:55,789 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:25:55,789 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:25:55,789 INFO L85 PathProgramCache]: Analyzing trace with hash -1690698395, now seen corresponding path program 4 times [2025-04-14 16:25:55,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:25:55,789 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602675056] [2025-04-14 16:25:55,789 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 16:25:55,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:25:55,805 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 112 statements into 2 equivalence classes. [2025-04-14 16:25:55,837 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 112 of 112 statements. [2025-04-14 16:25:55,838 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-14 16:25:55,838 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:25:56,165 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 61 proven. 19 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-14 16:25:56,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:25:56,165 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602675056] [2025-04-14 16:25:56,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602675056] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:25:56,165 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [411101346] [2025-04-14 16:25:56,165 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 16:25:56,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:25:56,165 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:25:56,167 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 16:25:56,168 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-04-14 16:25:56,240 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 112 statements into 2 equivalence classes. [2025-04-14 16:25:56,294 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 112 of 112 statements. [2025-04-14 16:25:56,294 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-14 16:25:56,294 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:25:56,297 INFO L256 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-04-14 16:25:56,298 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:25:56,357 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2025-04-14 16:25:56,357 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-04-14 16:25:56,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [411101346] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 16:25:56,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-04-14 16:25:56,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [11] total 13 [2025-04-14 16:25:56,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067778476] [2025-04-14 16:25:56,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 16:25:56,358 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-14 16:25:56,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:25:56,358 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-14 16:25:56,358 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2025-04-14 16:25:56,358 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:25:56,359 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:25:56,359 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 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) [2025-04-14 16:25:56,359 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:25:56,359 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:25:56,359 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:25:56,359 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:25:56,359 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:25:56,359 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:25:57,399 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:25:57,400 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:25:57,400 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:25:57,400 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-14 16:25:57,400 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:25:57,400 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:25:57,406 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-04-14 16:25:57,600 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-04-14 16:25:57,601 INFO L403 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)] === [2025-04-14 16:25:57,601 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:25:57,601 INFO L139 ounterexampleChecker]: Examining path program with hash -1388154427, occurence #1 [2025-04-14 16:25:57,601 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 16:25:57,601 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:25:57,602 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:25:57,602 INFO L85 PathProgramCache]: Analyzing trace with hash 62935608, now seen corresponding path program 5 times [2025-04-14 16:25:57,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:25:57,602 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381591927] [2025-04-14 16:25:57,602 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 16:25:57,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:25:57,613 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 88 statements into 6 equivalence classes. [2025-04-14 16:25:57,674 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) and asserted 88 of 88 statements. [2025-04-14 16:25:57,674 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2025-04-14 16:25:57,674 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:25:57,954 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 33 proven. 10 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2025-04-14 16:25:57,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:25:57,955 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381591927] [2025-04-14 16:25:57,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381591927] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:25:57,955 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1348468341] [2025-04-14 16:25:57,955 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 16:25:57,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:25:57,955 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:25:57,957 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 16:25:57,958 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-04-14 16:25:58,027 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 88 statements into 6 equivalence classes. [2025-04-14 16:25:58,095 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) and asserted 88 of 88 statements. [2025-04-14 16:25:58,095 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2025-04-14 16:25:58,095 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:25:58,097 INFO L256 TraceCheckSpWp]: Trace formula consists of 513 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-04-14 16:25:58,098 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:25:58,262 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2025-04-14 16:25:58,262 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 16:25:58,432 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 19 proven. 10 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2025-04-14 16:25:58,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1348468341] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 16:25:58,433 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 16:25:58,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8, 8] total 24 [2025-04-14 16:25:58,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368231025] [2025-04-14 16:25:58,433 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 16:25:58,433 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2025-04-14 16:25:58,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:25:58,434 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2025-04-14 16:25:58,434 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=473, Unknown=0, NotChecked=0, Total=600 [2025-04-14 16:25:58,434 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:25:58,434 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:25:58,434 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 6.0) internal successors, (150), 24 states have internal predecessors, (150), 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) [2025-04-14 16:25:58,434 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:25:58,434 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:25:58,434 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:25:58,434 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-14 16:25:58,434 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:25:58,434 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:25:58,434 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:25:58,957 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:25:58,957 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:25:58,957 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:25:58,957 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-14 16:25:58,957 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:25:58,957 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:25:58,957 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:25:58,964 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-04-14 16:25:59,158 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:25:59,158 INFO L403 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)] === [2025-04-14 16:25:59,158 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:25:59,158 INFO L139 ounterexampleChecker]: Examining path program with hash -1226255534, occurence #1 [2025-04-14 16:25:59,158 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 16:25:59,158 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:25:59,159 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:25:59,159 INFO L85 PathProgramCache]: Analyzing trace with hash -266889576, now seen corresponding path program 6 times [2025-04-14 16:25:59,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:25:59,159 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28124351] [2025-04-14 16:25:59,159 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-14 16:25:59,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:25:59,170 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 97 statements into 5 equivalence classes. [2025-04-14 16:25:59,218 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) and asserted 72 of 97 statements. [2025-04-14 16:25:59,218 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2025-04-14 16:25:59,218 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:25:59,430 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2025-04-14 16:25:59,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:25:59,430 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28124351] [2025-04-14 16:25:59,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28124351] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:25:59,431 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1510689081] [2025-04-14 16:25:59,431 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-14 16:25:59,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:25:59,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:25:59,433 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 16:25:59,435 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-04-14 16:25:59,506 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 97 statements into 5 equivalence classes. [2025-04-14 16:25:59,549 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) and asserted 72 of 97 statements. [2025-04-14 16:25:59,549 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2025-04-14 16:25:59,549 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:25:59,551 INFO L256 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-04-14 16:25:59,553 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:25:59,625 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2025-04-14 16:25:59,625 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-04-14 16:25:59,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1510689081] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 16:25:59,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-04-14 16:25:59,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 10 [2025-04-14 16:25:59,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53261835] [2025-04-14 16:25:59,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 16:25:59,626 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-04-14 16:25:59,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:25:59,626 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-04-14 16:25:59,627 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2025-04-14 16:25:59,627 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:25:59,627 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:25:59,627 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 5 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) [2025-04-14 16:25:59,627 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:25:59,627 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:25:59,627 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:25:59,627 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-14 16:25:59,627 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:25:59,627 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:25:59,627 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:25:59,627 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:25:59,845 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:25:59,845 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:25:59,845 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:25:59,845 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-14 16:25:59,845 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:25:59,845 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:25:59,845 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:25:59,846 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 16:25:59,852 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-04-14 16:26:00,046 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:26:00,046 INFO L403 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)] === [2025-04-14 16:26:00,046 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:26:00,046 INFO L139 ounterexampleChecker]: Examining path program with hash -1226255534, occurence #2 [2025-04-14 16:26:00,046 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 16:26:00,047 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 16:26:00,047 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:26:00,047 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-04-14 16:26:00,047 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:26:00,047 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-04-14 16:26:00,047 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:26:00,047 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2025-04-14 16:26:00,047 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:26:00,047 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2025-04-14 16:26:00,047 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:26:00,047 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2025-04-14 16:26:00,047 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:26:00,047 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2025-04-14 16:26:00,047 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:26:00,047 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2025-04-14 16:26:00,086 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:26:00,087 INFO L85 PathProgramCache]: Analyzing trace with hash -1770871924, now seen corresponding path program 1 times [2025-04-14 16:26:00,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:26:00,087 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778052595] [2025-04-14 16:26:00,087 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:26:00,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:26:00,096 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-04-14 16:26:00,110 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-04-14 16:26:00,110 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:26:00,110 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:26:00,165 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2025-04-14 16:26:00,165 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 16:26:00,165 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778052595] [2025-04-14 16:26:00,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778052595] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 16:26:00,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 16:26:00,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-14 16:26:00,165 INFO L172 ounterexampleChecker]: Successfully proved commutativity at non-minimality point 61. Constructing proof automaton... [2025-04-14 16:26:00,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 16:26:00,166 INFO L311 artialOrderCegarLoop]: Commutativity proof succeeded, skipping feasibility check. [2025-04-14 16:26:00,166 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-14 16:26:00,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SMTINTERPOL [2025-04-14 16:26:00,167 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-14 16:26:00,167 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-04-14 16:26:00,167 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:26:00,167 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:26:00,167 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 16:26:00,167 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:00,167 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:00,167 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:26:00,167 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-14 16:26:00,167 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:26:00,167 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:00,167 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:00,167 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 16:26:00,167 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:26:00,445 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:00,445 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:00,445 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:26:00,445 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-14 16:26:00,445 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:26:00,445 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:00,445 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:00,445 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 16:26:00,445 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:00,445 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2025-04-14 16:26:00,445 INFO L403 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)] === [2025-04-14 16:26:00,445 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:26:00,445 INFO L139 ounterexampleChecker]: Examining path program with hash 1911160479, occurence #1 [2025-04-14 16:26:00,445 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 16:26:00,445 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:26:00,446 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:26:00,446 INFO L85 PathProgramCache]: Analyzing trace with hash 133038981, now seen corresponding path program 1 times [2025-04-14 16:26:00,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:26:00,446 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210413917] [2025-04-14 16:26:00,446 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:26:00,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:26:00,455 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-04-14 16:26:00,464 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-04-14 16:26:00,465 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:26:00,465 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:26:00,674 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 15 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-04-14 16:26:00,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:26:00,675 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210413917] [2025-04-14 16:26:00,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210413917] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:26:00,675 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [661896306] [2025-04-14 16:26:00,675 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:26:00,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:26:00,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:26:00,677 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 16:26:00,678 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-04-14 16:26:00,746 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-04-14 16:26:00,783 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-04-14 16:26:00,783 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:26:00,783 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:26:00,787 INFO L256 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-04-14 16:26:00,788 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:26:00,996 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-04-14 16:26:00,996 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 16:26:01,207 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 13 proven. 14 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-04-14 16:26:01,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [661896306] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 16:26:01,208 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 16:26:01,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 30 [2025-04-14 16:26:01,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867997284] [2025-04-14 16:26:01,208 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 16:26:01,208 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2025-04-14 16:26:01,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:26:01,209 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2025-04-14 16:26:01,209 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=207, Invalid=723, Unknown=0, NotChecked=0, Total=930 [2025-04-14 16:26:01,209 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:26:01,209 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:26:01,209 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 4.935483870967742) internal successors, (153), 30 states have internal predecessors, (153), 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) [2025-04-14 16:26:01,209 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:01,209 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:01,209 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:26:01,209 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-14 16:26:01,209 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:26:01,209 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:01,209 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:01,209 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 16:26:01,209 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:01,209 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:26:01,491 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:01,491 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:01,491 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:26:01,491 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-14 16:26:01,491 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:26:01,491 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:01,491 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:01,491 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 16:26:01,491 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:01,491 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:01,497 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-04-14 16:26:01,696 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:26:01,699 INFO L403 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)] === [2025-04-14 16:26:01,700 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:26:01,700 INFO L139 ounterexampleChecker]: Examining path program with hash 1911160479, occurence #2 [2025-04-14 16:26:01,700 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 16:26:01,700 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 16:26:01,700 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:26:01,700 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2025-04-14 16:26:01,700 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:26:01,700 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2025-04-14 16:26:01,700 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:26:01,700 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2025-04-14 16:26:01,700 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:26:01,700 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2025-04-14 16:26:01,700 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:26:01,700 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2025-04-14 16:26:01,700 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:26:01,700 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2025-04-14 16:26:01,700 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:26:01,700 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 63 [2025-04-14 16:26:01,700 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:26:01,700 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 67 [2025-04-14 16:26:01,700 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:26:01,700 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 69 [2025-04-14 16:26:01,701 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:26:01,701 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2025-04-14 16:26:01,701 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:26:01,701 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 16:26:01,701 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:26:01,701 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:26:01,701 INFO L85 PathProgramCache]: Analyzing trace with hash 1982287945, now seen corresponding path program 2 times [2025-04-14 16:26:01,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:26:01,701 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892018294] [2025-04-14 16:26:01,701 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 16:26:01,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:26:01,713 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 75 statements into 2 equivalence classes. [2025-04-14 16:26:01,722 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 41 of 75 statements. [2025-04-14 16:26:01,723 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-14 16:26:01,723 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:26:01,858 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2025-04-14 16:26:01,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:26:01,859 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892018294] [2025-04-14 16:26:01,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1892018294] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 16:26:01,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 16:26:01,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-04-14 16:26:01,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754371062] [2025-04-14 16:26:01,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 16:26:01,859 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-04-14 16:26:01,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:26:01,859 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-04-14 16:26:01,859 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-04-14 16:26:01,859 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:26:01,860 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:26:01,860 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 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) [2025-04-14 16:26:01,860 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:01,860 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:01,860 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:26:01,860 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-14 16:26:01,860 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:26:01,860 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:01,860 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:01,860 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 16:26:01,860 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:01,860 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:01,860 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:26:02,156 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:02,157 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:02,157 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:26:02,157 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-14 16:26:02,157 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:26:02,157 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:02,157 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:02,157 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 16:26:02,157 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:02,157 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:02,157 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:26:02,157 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2025-04-14 16:26:02,157 INFO L403 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)] === [2025-04-14 16:26:02,157 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:26:02,157 INFO L139 ounterexampleChecker]: Examining path program with hash -856958043, occurence #1 [2025-04-14 16:26:02,157 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 16:26:02,158 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:26:02,158 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:26:02,158 INFO L85 PathProgramCache]: Analyzing trace with hash -1154911333, now seen corresponding path program 3 times [2025-04-14 16:26:02,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:26:02,158 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949355163] [2025-04-14 16:26:02,158 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 16:26:02,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:26:02,168 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 82 statements into 4 equivalence classes. [2025-04-14 16:26:02,193 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 71 of 82 statements. [2025-04-14 16:26:02,193 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-04-14 16:26:02,193 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:26:02,359 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-04-14 16:26:02,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:26:02,360 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949355163] [2025-04-14 16:26:02,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949355163] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:26:02,360 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [194976847] [2025-04-14 16:26:02,360 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 16:26:02,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:26:02,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:26:02,362 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 16:26:02,363 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-04-14 16:26:02,446 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 82 statements into 4 equivalence classes. [2025-04-14 16:26:02,495 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 71 of 82 statements. [2025-04-14 16:26:02,495 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-04-14 16:26:02,495 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:26:02,499 INFO L256 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-04-14 16:26:02,501 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:26:02,646 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-04-14 16:26:02,646 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 16:26:02,780 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-04-14 16:26:02,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [194976847] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 16:26:02,780 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 16:26:02,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 21 [2025-04-14 16:26:02,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203070820] [2025-04-14 16:26:02,780 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 16:26:02,781 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2025-04-14 16:26:02,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:26:02,781 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-04-14 16:26:02,781 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=341, Unknown=0, NotChecked=0, Total=462 [2025-04-14 16:26:02,781 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:26:02,781 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:26:02,782 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 7.090909090909091) internal successors, (156), 21 states have internal predecessors, (156), 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) [2025-04-14 16:26:02,782 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:02,782 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:02,782 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:26:02,782 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-14 16:26:02,782 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:26:02,782 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:02,782 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:02,782 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 16:26:02,782 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:02,782 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:02,782 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:26:02,782 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:26:03,101 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:03,102 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:03,102 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:26:03,102 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-14 16:26:03,102 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:26:03,102 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:03,102 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:03,102 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 16:26:03,102 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:03,102 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:03,102 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:26:03,102 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:03,108 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-04-14 16:26:03,305 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2025-04-14 16:26:03,306 INFO L403 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)] === [2025-04-14 16:26:03,306 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:26:03,306 INFO L139 ounterexampleChecker]: Examining path program with hash -856958043, occurence #2 [2025-04-14 16:26:03,306 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 16:26:03,306 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 16:26:03,306 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:26:03,306 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2025-04-14 16:26:03,306 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:26:03,306 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2025-04-14 16:26:03,306 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:26:03,306 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2025-04-14 16:26:03,306 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:26:03,306 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2025-04-14 16:26:03,307 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:26:03,307 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2025-04-14 16:26:03,307 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:26:03,307 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2025-04-14 16:26:03,354 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:26:03,355 INFO L85 PathProgramCache]: Analyzing trace with hash -126227464, now seen corresponding path program 1 times [2025-04-14 16:26:03,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:26:03,355 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770747424] [2025-04-14 16:26:03,355 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:26:03,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:26:03,364 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-04-14 16:26:03,377 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-04-14 16:26:03,378 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:26:03,378 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:26:03,556 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-04-14 16:26:03,556 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 16:26:03,557 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770747424] [2025-04-14 16:26:03,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [770747424] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:26:03,557 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [773453718] [2025-04-14 16:26:03,557 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:26:03,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:26:03,565 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-04-14 16:26:03,583 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-04-14 16:26:03,583 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:26:03,583 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:26:03,584 INFO L256 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-04-14 16:26:03,585 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:26:03,728 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-04-14 16:26:03,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [773453718] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:26:03,728 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 16:26:03,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 15 [2025-04-14 16:26:03,728 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 16:26:03,729 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2025-04-14 16:26:03,729 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:26:03,729 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 72 [2025-04-14 16:26:03,729 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:26:03,729 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 76 [2025-04-14 16:26:03,729 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:26:03,729 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 78 [2025-04-14 16:26:03,729 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:26:03,729 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 82 [2025-04-14 16:26:03,729 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:26:03,729 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 16:26:03,729 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:26:03,729 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:26:03,729 INFO L85 PathProgramCache]: Analyzing trace with hash 1649207035, now seen corresponding path program 4 times [2025-04-14 16:26:03,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:26:03,729 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515424177] [2025-04-14 16:26:03,729 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 16:26:03,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:26:03,739 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 84 statements into 2 equivalence classes. [2025-04-14 16:26:03,759 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 84 of 84 statements. [2025-04-14 16:26:03,759 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-14 16:26:03,759 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:26:04,001 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 12 proven. 23 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-04-14 16:26:04,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:26:04,001 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515424177] [2025-04-14 16:26:04,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515424177] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:26:04,001 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [794965544] [2025-04-14 16:26:04,001 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 16:26:04,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:26:04,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:26:04,003 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 16:26:04,006 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-04-14 16:26:04,075 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 84 statements into 2 equivalence classes. [2025-04-14 16:26:04,116 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 84 of 84 statements. [2025-04-14 16:26:04,116 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-14 16:26:04,116 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:26:04,118 INFO L256 TraceCheckSpWp]: Trace formula consists of 503 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-04-14 16:26:04,120 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:26:04,401 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 23 proven. 15 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2025-04-14 16:26:04,402 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 16:26:04,670 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 15 proven. 23 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2025-04-14 16:26:04,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [794965544] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 16:26:04,671 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 16:26:04,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 14, 14] total 38 [2025-04-14 16:26:04,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792676365] [2025-04-14 16:26:04,671 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 16:26:04,671 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2025-04-14 16:26:04,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:26:04,672 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2025-04-14 16:26:04,672 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=333, Invalid=1149, Unknown=0, NotChecked=0, Total=1482 [2025-04-14 16:26:04,672 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:26:04,672 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:26:04,672 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 5.17948717948718) internal successors, (202), 38 states have internal predecessors, (202), 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) [2025-04-14 16:26:04,672 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:04,673 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:04,673 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:26:04,673 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-14 16:26:04,673 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:26:04,673 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:04,673 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:04,673 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 16:26:04,673 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:04,673 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:04,673 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:26:04,673 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:04,673 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:26:04,959 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:04,959 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:04,959 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:26:04,959 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-14 16:26:04,959 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:26:04,959 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:04,959 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:04,959 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 16:26:04,959 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:04,959 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:04,959 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:26:04,959 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:04,959 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 16:26:04,965 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-04-14 16:26:05,160 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24,SelfDestructingSolverStorable25,SelfDestructingSolverStorable26 [2025-04-14 16:26:05,160 INFO L403 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)] === [2025-04-14 16:26:05,160 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:26:05,160 INFO L139 ounterexampleChecker]: Examining path program with hash -856958043, occurence #3 [2025-04-14 16:26:05,160 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 16:26:05,160 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 16:26:05,160 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:26:05,160 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-04-14 16:26:05,160 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:26:05,160 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2025-04-14 16:26:05,160 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:26:05,160 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2025-04-14 16:26:05,161 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:26:05,161 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2025-04-14 16:26:05,161 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:26:05,161 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-04-14 16:26:05,161 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:26:05,161 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 62 [2025-04-14 16:26:05,194 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:26:05,195 INFO L85 PathProgramCache]: Analyzing trace with hash -2094890117, now seen corresponding path program 1 times [2025-04-14 16:26:05,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:26:05,195 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211069035] [2025-04-14 16:26:05,195 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:26:05,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:26:05,204 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 63 statements into 1 equivalence classes. [2025-04-14 16:26:05,215 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 63 of 63 statements. [2025-04-14 16:26:05,215 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:26:05,215 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:26:05,399 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2025-04-14 16:26:05,399 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 16:26:05,399 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211069035] [2025-04-14 16:26:05,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211069035] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:26:05,399 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [924328644] [2025-04-14 16:26:05,399 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:26:05,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:26:05,409 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 63 statements into 1 equivalence classes. [2025-04-14 16:26:05,423 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 63 of 63 statements. [2025-04-14 16:26:05,423 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:26:05,423 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:26:05,425 INFO L256 TraceCheckSpWp]: Trace formula consists of 446 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-04-14 16:26:05,426 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:26:05,569 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2025-04-14 16:26:05,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [924328644] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:26:05,569 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 16:26:05,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 15 [2025-04-14 16:26:05,569 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 16:26:05,570 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 70 [2025-04-14 16:26:05,570 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:26:05,570 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2025-04-14 16:26:05,570 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:26:05,570 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 78 [2025-04-14 16:26:05,570 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:26:05,570 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 80 [2025-04-14 16:26:05,570 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:26:05,570 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 84 [2025-04-14 16:26:05,570 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:26:05,570 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 16:26:05,570 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:26:05,570 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:26:05,570 INFO L85 PathProgramCache]: Analyzing trace with hash 1186062203, now seen corresponding path program 5 times [2025-04-14 16:26:05,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:26:05,570 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830299249] [2025-04-14 16:26:05,570 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 16:26:05,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:26:05,581 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 86 statements into 5 equivalence classes. [2025-04-14 16:26:05,611 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) and asserted 86 of 86 statements. [2025-04-14 16:26:05,611 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2025-04-14 16:26:05,611 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:26:05,853 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 21 proven. 8 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2025-04-14 16:26:05,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:26:05,853 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830299249] [2025-04-14 16:26:05,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830299249] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:26:05,853 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [500204363] [2025-04-14 16:26:05,853 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 16:26:05,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:26:05,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:26:05,855 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 16:26:05,856 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-04-14 16:26:05,928 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 86 statements into 5 equivalence classes. [2025-04-14 16:26:06,103 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) and asserted 86 of 86 statements. [2025-04-14 16:26:06,103 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2025-04-14 16:26:06,104 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:26:06,106 INFO L256 TraceCheckSpWp]: Trace formula consists of 521 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-04-14 16:26:06,107 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:26:06,363 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 21 proven. 8 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2025-04-14 16:26:06,363 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 16:26:06,566 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 21 proven. 8 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2025-04-14 16:26:06,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [500204363] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 16:26:06,566 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 16:26:06,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 35 [2025-04-14 16:26:06,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050411312] [2025-04-14 16:26:06,566 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 16:26:06,567 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2025-04-14 16:26:06,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:26:06,567 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2025-04-14 16:26:06,568 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=349, Invalid=911, Unknown=0, NotChecked=0, Total=1260 [2025-04-14 16:26:06,568 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:26:06,568 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:26:06,568 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 5.611111111111111) internal successors, (202), 35 states have internal predecessors, (202), 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) [2025-04-14 16:26:06,568 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:06,568 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:06,568 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:26:06,568 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-14 16:26:06,568 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:26:06,568 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:06,568 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:06,568 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 16:26:06,568 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:06,568 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:06,568 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:26:06,568 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:06,568 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 16:26:06,568 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:26:06,863 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:06,863 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:06,863 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:26:06,863 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-14 16:26:06,863 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:26:06,863 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:06,863 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:06,863 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 16:26:06,863 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:06,863 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:06,863 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:26:06,863 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:06,863 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 16:26:06,863 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 16:26:06,871 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-04-14 16:26:07,064 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27,SelfDestructingSolverStorable28 [2025-04-14 16:26:07,064 INFO L403 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)] === [2025-04-14 16:26:07,064 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:26:07,064 INFO L139 ounterexampleChecker]: Examining path program with hash -856958043, occurence #4 [2025-04-14 16:26:07,064 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 16:26:07,064 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 16:26:07,064 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:26:07,064 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-04-14 16:26:07,064 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:26:07,064 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2025-04-14 16:26:07,064 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:26:07,064 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2025-04-14 16:26:07,064 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:26:07,065 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-04-14 16:26:07,065 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:26:07,065 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-04-14 16:26:07,065 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:26:07,065 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 66 [2025-04-14 16:26:07,095 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:26:07,095 INFO L85 PathProgramCache]: Analyzing trace with hash 480214214, now seen corresponding path program 1 times [2025-04-14 16:26:07,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:26:07,095 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119006714] [2025-04-14 16:26:07,095 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:26:07,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:26:07,108 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 67 statements into 1 equivalence classes. [2025-04-14 16:26:07,117 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 67 of 67 statements. [2025-04-14 16:26:07,117 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:26:07,117 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:26:07,299 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 15 proven. 18 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2025-04-14 16:26:07,299 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 16:26:07,299 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119006714] [2025-04-14 16:26:07,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1119006714] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:26:07,300 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [586604930] [2025-04-14 16:26:07,300 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:26:07,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:26:07,312 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 67 statements into 1 equivalence classes. [2025-04-14 16:26:07,327 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 67 of 67 statements. [2025-04-14 16:26:07,328 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:26:07,328 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:26:07,329 INFO L256 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-04-14 16:26:07,330 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:26:07,572 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 21 proven. 12 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2025-04-14 16:26:07,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [586604930] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:26:07,573 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 16:26:07,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 24 [2025-04-14 16:26:07,573 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 16:26:07,573 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2025-04-14 16:26:07,573 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:26:07,573 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 78 [2025-04-14 16:26:07,573 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:26:07,573 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 82 [2025-04-14 16:26:07,573 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:26:07,573 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 84 [2025-04-14 16:26:07,573 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:26:07,573 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2025-04-14 16:26:07,573 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:26:07,573 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 16:26:07,573 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:26:07,574 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:26:07,574 INFO L85 PathProgramCache]: Analyzing trace with hash 1175486011, now seen corresponding path program 6 times [2025-04-14 16:26:07,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:26:07,574 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109670411] [2025-04-14 16:26:07,574 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-14 16:26:07,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:26:07,584 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 90 statements into 5 equivalence classes. [2025-04-14 16:26:07,634 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) and asserted 74 of 90 statements. [2025-04-14 16:26:07,634 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2025-04-14 16:26:07,634 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:26:07,896 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2025-04-14 16:26:07,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:26:07,896 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109670411] [2025-04-14 16:26:07,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109670411] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:26:07,896 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1684375643] [2025-04-14 16:26:07,897 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-14 16:26:07,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:26:07,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:26:07,899 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 16:26:07,900 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-04-14 16:26:07,989 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 90 statements into 5 equivalence classes. [2025-04-14 16:26:08,029 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) and asserted 74 of 90 statements. [2025-04-14 16:26:08,029 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2025-04-14 16:26:08,029 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:26:08,031 INFO L256 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-04-14 16:26:08,033 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:26:08,256 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2025-04-14 16:26:08,256 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 16:26:08,499 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2025-04-14 16:26:08,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1684375643] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 16:26:08,499 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 16:26:08,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 8] total 24 [2025-04-14 16:26:08,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515315769] [2025-04-14 16:26:08,499 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 16:26:08,499 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2025-04-14 16:26:08,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:26:08,500 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2025-04-14 16:26:08,500 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=490, Unknown=0, NotChecked=0, Total=600 [2025-04-14 16:26:08,500 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:26:08,500 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:26:08,500 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 6.32) internal successors, (158), 24 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 16:26:08,500 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:08,500 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:08,500 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:26:08,500 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-14 16:26:08,500 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:26:08,500 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:08,500 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:08,500 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 16:26:08,500 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:08,500 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:08,501 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:26:08,501 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:08,501 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 16:26:08,501 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 16:26:08,501 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:26:10,783 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:10,784 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:10,784 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:26:10,784 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-14 16:26:10,784 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:26:10,784 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:10,784 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:10,784 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 16:26:10,784 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:10,784 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:10,784 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:26:10,784 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:10,784 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 16:26:10,784 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 16:26:10,784 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2025-04-14 16:26:10,793 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2025-04-14 16:26:10,985 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30,SelfDestructingSolverStorable31,SelfDestructingSolverStorable32 [2025-04-14 16:26:10,985 INFO L403 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)] === [2025-04-14 16:26:10,985 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:26:10,985 INFO L139 ounterexampleChecker]: Examining path program with hash -2104968409, occurence #1 [2025-04-14 16:26:10,985 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 16:26:10,985 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:26:10,986 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:26:10,986 INFO L85 PathProgramCache]: Analyzing trace with hash 788043030, now seen corresponding path program 7 times [2025-04-14 16:26:10,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:26:10,986 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861348603] [2025-04-14 16:26:10,986 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-14 16:26:10,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:26:11,001 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 170 statements into 1 equivalence classes. [2025-04-14 16:26:11,074 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 170 of 170 statements. [2025-04-14 16:26:11,074 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:26:11,074 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:26:11,374 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 57 proven. 80 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2025-04-14 16:26:11,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:26:11,374 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861348603] [2025-04-14 16:26:11,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861348603] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:26:11,374 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [105914548] [2025-04-14 16:26:11,374 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-14 16:26:11,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:26:11,375 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:26:11,376 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 16:26:11,378 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-04-14 16:26:11,489 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 170 statements into 1 equivalence classes. [2025-04-14 16:26:11,561 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 170 of 170 statements. [2025-04-14 16:26:11,561 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:26:11,561 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:26:11,564 INFO L256 TraceCheckSpWp]: Trace formula consists of 843 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-04-14 16:26:11,566 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:26:11,692 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 146 proven. 3 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2025-04-14 16:26:11,692 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 16:26:11,817 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 135 proven. 14 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2025-04-14 16:26:11,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [105914548] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 16:26:11,818 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 16:26:11,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 18 [2025-04-14 16:26:11,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645142220] [2025-04-14 16:26:11,818 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 16:26:11,818 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-14 16:26:11,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:26:11,819 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-14 16:26:11,819 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2025-04-14 16:26:11,819 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:26:11,819 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:26:11,819 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 8.166666666666666) internal successors, (147), 18 states have internal predecessors, (147), 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) [2025-04-14 16:26:11,819 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:11,819 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:11,819 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:26:11,819 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-14 16:26:11,819 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:26:11,819 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:11,819 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:11,819 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 16:26:11,819 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:11,819 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:11,819 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:26:11,819 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:11,819 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 16:26:11,819 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 16:26:11,819 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2025-04-14 16:26:11,820 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:26:12,019 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:12,020 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:12,020 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:26:12,020 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-14 16:26:12,020 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:26:12,020 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:12,020 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:12,020 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 16:26:12,020 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:12,020 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:12,020 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:26:12,020 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:12,020 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 16:26:12,020 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 16:26:12,020 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2025-04-14 16:26:12,020 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:26:12,027 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2025-04-14 16:26:12,220 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2025-04-14 16:26:12,221 INFO L403 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)] === [2025-04-14 16:26:12,221 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:26:12,221 INFO L139 ounterexampleChecker]: Examining path program with hash -2104968409, occurence #2 [2025-04-14 16:26:12,221 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 16:26:12,221 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 16:26:12,221 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:26:12,221 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2025-04-14 16:26:12,221 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:26:12,221 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2025-04-14 16:26:12,221 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:26:12,221 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2025-04-14 16:26:12,221 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:26:12,221 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2025-04-14 16:26:12,221 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:26:12,221 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-14 16:26:12,221 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:26:12,222 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 167 [2025-04-14 16:26:12,222 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:26:12,222 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 169 [2025-04-14 16:26:12,222 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:26:12,222 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 16:26:12,222 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:26:12,222 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:26:12,222 INFO L85 PathProgramCache]: Analyzing trace with hash -1850058155, now seen corresponding path program 8 times [2025-04-14 16:26:12,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:26:12,222 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449395699] [2025-04-14 16:26:12,222 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 16:26:12,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:26:12,237 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 171 statements into 2 equivalence classes. [2025-04-14 16:26:12,269 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 171 of 171 statements. [2025-04-14 16:26:12,269 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 16:26:12,269 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:26:12,583 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 69 proven. 128 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2025-04-14 16:26:12,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:26:12,583 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449395699] [2025-04-14 16:26:12,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449395699] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:26:12,583 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1749616264] [2025-04-14 16:26:12,583 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 16:26:12,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:26:12,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:26:12,585 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 16:26:12,587 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-04-14 16:26:12,697 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 171 statements into 2 equivalence classes. [2025-04-14 16:26:12,770 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 171 of 171 statements. [2025-04-14 16:26:12,770 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 16:26:12,770 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:26:12,773 INFO L256 TraceCheckSpWp]: Trace formula consists of 852 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-04-14 16:26:12,775 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:26:13,009 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 171 proven. 26 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2025-04-14 16:26:13,009 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 16:26:13,371 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 177 proven. 20 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2025-04-14 16:26:13,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1749616264] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 16:26:13,372 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 16:26:13,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11, 11] total 29 [2025-04-14 16:26:13,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530175228] [2025-04-14 16:26:13,372 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 16:26:13,372 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2025-04-14 16:26:13,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:26:13,373 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2025-04-14 16:26:13,373 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=602, Unknown=0, NotChecked=0, Total=812 [2025-04-14 16:26:13,373 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:26:13,373 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:26:13,373 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 8.137931034482758) internal successors, (236), 29 states have internal predecessors, (236), 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) [2025-04-14 16:26:13,373 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:13,373 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:13,373 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:26:13,373 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-14 16:26:13,373 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:26:13,373 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:13,373 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:13,373 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 16:26:13,373 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:13,374 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:13,374 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:26:13,374 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:13,374 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 16:26:13,374 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 16:26:13,374 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2025-04-14 16:26:13,374 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:26:13,374 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:26:13,681 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:13,681 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:13,681 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:26:13,681 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-14 16:26:13,681 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:26:13,681 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:13,681 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:13,681 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 16:26:13,681 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:13,681 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:13,681 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:26:13,681 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:13,681 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 16:26:13,681 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 16:26:13,681 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2025-04-14 16:26:13,681 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:26:13,681 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:13,689 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2025-04-14 16:26:13,882 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2025-04-14 16:26:13,882 INFO L403 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)] === [2025-04-14 16:26:13,882 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:26:13,882 INFO L139 ounterexampleChecker]: Examining path program with hash -2104968409, occurence #3 [2025-04-14 16:26:13,882 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 16:26:13,882 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 16:26:13,882 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:26:13,882 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-04-14 16:26:13,882 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:26:13,882 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2025-04-14 16:26:13,882 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:26:13,882 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2025-04-14 16:26:13,882 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:26:13,883 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2025-04-14 16:26:13,883 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:26:13,883 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-04-14 16:26:13,883 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:26:13,883 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 168 [2025-04-14 16:26:13,883 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:26:13,883 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 170 [2025-04-14 16:26:13,883 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:26:13,883 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 16:26:13,883 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:26:13,883 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:26:13,883 INFO L85 PathProgramCache]: Analyzing trace with hash -2026816266, now seen corresponding path program 9 times [2025-04-14 16:26:13,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:26:13,883 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623122494] [2025-04-14 16:26:13,883 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 16:26:13,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:26:13,898 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 172 statements into 7 equivalence classes. [2025-04-14 16:26:13,942 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 88 of 172 statements. [2025-04-14 16:26:13,942 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-04-14 16:26:13,942 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:26:14,105 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 277 trivial. 0 not checked. [2025-04-14 16:26:14,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:26:14,106 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623122494] [2025-04-14 16:26:14,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623122494] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 16:26:14,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 16:26:14,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-04-14 16:26:14,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264352449] [2025-04-14 16:26:14,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 16:26:14,106 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-04-14 16:26:14,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:26:14,107 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-04-14 16:26:14,107 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-04-14 16:26:14,108 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:26:14,108 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:26:14,108 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 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) [2025-04-14 16:26:14,108 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:14,108 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:14,108 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:26:14,108 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-14 16:26:14,108 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:26:14,108 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:14,108 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:14,108 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 16:26:14,108 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:14,108 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:14,108 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:26:14,108 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:14,108 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 16:26:14,108 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 16:26:14,108 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2025-04-14 16:26:14,108 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:26:14,108 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:14,108 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:26:17,660 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:17,660 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:17,660 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:26:17,660 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-14 16:26:17,660 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:26:17,660 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:17,660 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:17,661 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 16:26:17,661 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:17,661 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:17,661 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:26:17,661 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:17,661 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 16:26:17,661 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 16:26:17,661 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2025-04-14 16:26:17,661 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:26:17,661 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:17,661 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:26:17,661 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2025-04-14 16:26:17,661 INFO L403 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)] === [2025-04-14 16:26:17,661 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:26:17,662 INFO L139 ounterexampleChecker]: Examining path program with hash 608900642, occurence #1 [2025-04-14 16:26:17,662 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 16:26:17,662 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:26:17,662 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:26:17,662 INFO L85 PathProgramCache]: Analyzing trace with hash -1458596388, now seen corresponding path program 10 times [2025-04-14 16:26:17,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:26:17,662 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754350027] [2025-04-14 16:26:17,662 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 16:26:17,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:26:17,679 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 172 statements into 2 equivalence classes. [2025-04-14 16:26:17,720 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 172 of 172 statements. [2025-04-14 16:26:17,720 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-14 16:26:17,720 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:26:18,326 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 90 proven. 125 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2025-04-14 16:26:18,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:26:18,327 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754350027] [2025-04-14 16:26:18,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754350027] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:26:18,327 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1962309414] [2025-04-14 16:26:18,327 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 16:26:18,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:26:18,327 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:26:18,329 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 16:26:18,331 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-04-14 16:26:18,442 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 172 statements into 2 equivalence classes. [2025-04-14 16:26:18,506 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 172 of 172 statements. [2025-04-14 16:26:18,507 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-14 16:26:18,507 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:26:18,509 INFO L256 TraceCheckSpWp]: Trace formula consists of 861 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-04-14 16:26:18,511 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:26:18,786 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 173 proven. 10 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2025-04-14 16:26:18,786 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 16:26:19,070 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 126 proven. 57 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2025-04-14 16:26:19,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1962309414] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 16:26:19,070 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 16:26:19,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 12, 12] total 38 [2025-04-14 16:26:19,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128922110] [2025-04-14 16:26:19,071 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 16:26:19,071 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2025-04-14 16:26:19,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:26:19,072 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2025-04-14 16:26:19,072 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=212, Invalid=1194, Unknown=0, NotChecked=0, Total=1406 [2025-04-14 16:26:19,072 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:26:19,072 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:26:19,072 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 8.052631578947368) internal successors, (306), 38 states have internal predecessors, (306), 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) [2025-04-14 16:26:19,072 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:19,072 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:19,072 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:26:19,073 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-14 16:26:19,073 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:26:19,073 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:19,073 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:19,073 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 16:26:19,073 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:19,073 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:19,073 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:26:19,073 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:19,073 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 16:26:19,073 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 16:26:19,073 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2025-04-14 16:26:19,073 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:26:19,073 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:19,073 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:26:19,073 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:26:19,399 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:19,399 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:19,399 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:26:19,399 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-14 16:26:19,399 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:26:19,399 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:19,399 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:19,399 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 16:26:19,399 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:19,399 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:19,399 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:26:19,399 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:19,399 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 16:26:19,399 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 16:26:19,399 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2025-04-14 16:26:19,399 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:26:19,399 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:19,399 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:26:19,399 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-14 16:26:19,407 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2025-04-14 16:26:19,600 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:26:19,600 INFO L403 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)] === [2025-04-14 16:26:19,600 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:26:19,600 INFO L139 ounterexampleChecker]: Examining path program with hash 608900642, occurence #2 [2025-04-14 16:26:19,600 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 16:26:19,600 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 16:26:19,600 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:26:19,600 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2025-04-14 16:26:19,600 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:26:19,601 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2025-04-14 16:26:19,601 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:26:19,601 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-04-14 16:26:19,601 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:26:19,601 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-04-14 16:26:19,601 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:26:19,601 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2025-04-14 16:26:19,601 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:26:19,601 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2025-04-14 16:26:19,657 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:26:19,658 INFO L85 PathProgramCache]: Analyzing trace with hash 1643039166, now seen corresponding path program 1 times [2025-04-14 16:26:19,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:26:19,658 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271269010] [2025-04-14 16:26:19,658 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:26:19,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:26:19,671 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 115 statements into 1 equivalence classes. [2025-04-14 16:26:19,687 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 115 of 115 statements. [2025-04-14 16:26:19,688 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:26:19,688 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:26:20,065 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 58 proven. 33 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-04-14 16:26:20,065 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 16:26:20,065 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271269010] [2025-04-14 16:26:20,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271269010] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:26:20,065 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1071521205] [2025-04-14 16:26:20,066 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:26:20,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:26:20,079 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 115 statements into 1 equivalence classes. [2025-04-14 16:26:20,102 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 115 of 115 statements. [2025-04-14 16:26:20,103 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:26:20,103 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:26:20,105 INFO L256 TraceCheckSpWp]: Trace formula consists of 653 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-04-14 16:26:20,107 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:26:20,425 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 76 proven. 15 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-04-14 16:26:20,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1071521205] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:26:20,425 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 16:26:20,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 25 [2025-04-14 16:26:20,425 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 16:26:20,425 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 168 [2025-04-14 16:26:20,425 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:26:20,425 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 170 [2025-04-14 16:26:20,425 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:26:20,425 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 172 [2025-04-14 16:26:20,426 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:26:20,426 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 16:26:20,426 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:26:20,426 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:26:20,426 INFO L85 PathProgramCache]: Analyzing trace with hash 511411223, now seen corresponding path program 11 times [2025-04-14 16:26:20,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:26:20,426 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671114600] [2025-04-14 16:26:20,426 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 16:26:20,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:26:20,441 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 174 statements into 6 equivalence classes. [2025-04-14 16:26:20,620 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) and asserted 174 of 174 statements. [2025-04-14 16:26:20,620 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2025-04-14 16:26:20,620 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:26:21,148 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 173 proven. 39 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2025-04-14 16:26:21,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:26:21,149 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671114600] [2025-04-14 16:26:21,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671114600] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:26:21,149 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1820826666] [2025-04-14 16:26:21,149 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 16:26:21,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:26:21,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:26:21,151 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 16:26:21,153 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-04-14 16:26:21,292 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 174 statements into 6 equivalence classes. [2025-04-14 16:26:23,909 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) and asserted 174 of 174 statements. [2025-04-14 16:26:23,910 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2025-04-14 16:26:23,910 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:26:23,918 INFO L256 TraceCheckSpWp]: Trace formula consists of 879 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-04-14 16:26:23,921 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:26:24,388 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 147 proven. 65 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2025-04-14 16:26:24,388 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 16:26:24,895 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 178 proven. 34 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2025-04-14 16:26:24,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1820826666] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 16:26:24,896 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 16:26:24,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17, 17] total 47 [2025-04-14 16:26:24,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068126878] [2025-04-14 16:26:24,896 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 16:26:24,896 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2025-04-14 16:26:24,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:26:24,897 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2025-04-14 16:26:24,897 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=589, Invalid=1573, Unknown=0, NotChecked=0, Total=2162 [2025-04-14 16:26:24,897 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:26:24,898 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:26:24,898 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 8.297872340425531) internal successors, (390), 47 states have internal predecessors, (390), 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) [2025-04-14 16:26:24,898 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:24,898 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:24,898 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:26:24,898 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-14 16:26:24,898 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:26:24,898 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:24,898 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:24,898 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 16:26:24,898 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:24,898 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:24,898 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:26:24,898 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:24,898 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 16:26:24,898 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 16:26:24,898 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2025-04-14 16:26:24,898 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:26:24,898 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:24,898 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:26:24,898 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-14 16:26:24,898 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:26:25,382 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:25,382 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:25,382 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:26:25,382 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-14 16:26:25,382 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:26:25,382 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:25,382 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:25,382 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 16:26:25,382 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:25,382 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:25,382 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:26:25,382 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:25,382 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 16:26:25,382 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 16:26:25,382 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2025-04-14 16:26:25,382 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:26:25,382 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:25,382 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:26:25,382 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-14 16:26:25,382 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-14 16:26:25,393 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2025-04-14 16:26:25,583 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37,SelfDestructingSolverStorable38,SelfDestructingSolverStorable39 [2025-04-14 16:26:25,583 INFO L403 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)] === [2025-04-14 16:26:25,583 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:26:25,583 INFO L139 ounterexampleChecker]: Examining path program with hash 608900642, occurence #3 [2025-04-14 16:26:25,583 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 16:26:25,584 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 16:26:25,584 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:26:25,584 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2025-04-14 16:26:25,584 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:26:25,584 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2025-04-14 16:26:25,584 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:26:25,584 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2025-04-14 16:26:25,584 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:26:25,584 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-04-14 16:26:25,584 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:26:25,584 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2025-04-14 16:26:25,584 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:26:25,584 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2025-04-14 16:26:25,635 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:26:25,636 INFO L85 PathProgramCache]: Analyzing trace with hash 312292388, now seen corresponding path program 1 times [2025-04-14 16:26:25,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:26:25,636 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535946610] [2025-04-14 16:26:25,636 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:26:25,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:26:25,648 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 118 statements into 1 equivalence classes. [2025-04-14 16:26:25,956 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 118 of 118 statements. [2025-04-14 16:26:25,956 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:26:25,956 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 16:26:25,960 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-14 16:26:25,960 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-14 16:26:25,960 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 171 [2025-04-14 16:26:25,960 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:26:25,960 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 173 [2025-04-14 16:26:25,960 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:26:25,960 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 175 [2025-04-14 16:26:25,960 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:26:25,960 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 16:26:25,960 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:26:25,960 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:26:25,961 INFO L85 PathProgramCache]: Analyzing trace with hash 1183643488, now seen corresponding path program 12 times [2025-04-14 16:26:25,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:26:25,961 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589562525] [2025-04-14 16:26:25,961 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-14 16:26:25,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:26:25,978 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 177 statements into 6 equivalence classes. [2025-04-14 16:26:26,095 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) and asserted 146 of 177 statements. [2025-04-14 16:26:26,095 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2025-04-14 16:26:26,095 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:26:26,347 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 109 proven. 12 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2025-04-14 16:26:26,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:26:26,347 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589562525] [2025-04-14 16:26:26,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589562525] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:26:26,347 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1377249009] [2025-04-14 16:26:26,347 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-14 16:26:26,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:26:26,347 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:26:26,349 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 16:26:26,350 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-04-14 16:26:26,484 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 177 statements into 6 equivalence classes. [2025-04-14 16:26:26,854 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) and asserted 146 of 177 statements. [2025-04-14 16:26:26,855 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2025-04-14 16:26:26,855 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:26:26,857 INFO L256 TraceCheckSpWp]: Trace formula consists of 768 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-04-14 16:26:26,860 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:26:26,944 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 109 proven. 12 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2025-04-14 16:26:26,944 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 16:26:27,064 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 110 proven. 12 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2025-04-14 16:26:27,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1377249009] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 16:26:27,064 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 16:26:27,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8, 11] total 18 [2025-04-14 16:26:27,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353698567] [2025-04-14 16:26:27,064 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 16:26:27,064 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-14 16:26:27,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:26:27,065 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-14 16:26:27,065 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=243, Unknown=0, NotChecked=0, Total=306 [2025-04-14 16:26:27,065 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:26:27,065 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:26:27,065 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 8.944444444444445) internal successors, (161), 18 states have internal predecessors, (161), 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) [2025-04-14 16:26:27,065 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:27,065 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:27,065 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:26:27,065 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-14 16:26:27,065 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:26:27,065 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:27,065 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:27,065 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 16:26:27,065 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:27,065 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:27,065 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:26:27,065 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:27,065 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 16:26:27,065 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 16:26:27,066 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2025-04-14 16:26:27,066 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:26:27,066 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:27,066 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:26:27,066 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-14 16:26:27,066 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-14 16:26:27,066 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:26:29,562 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:29,562 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:29,562 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:26:29,562 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-14 16:26:29,563 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:26:29,563 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:29,563 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:29,563 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 16:26:29,563 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:29,563 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:29,563 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:26:29,563 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:29,563 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 16:26:29,563 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 16:26:29,563 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2025-04-14 16:26:29,563 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:26:29,563 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:29,563 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:26:29,563 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-14 16:26:29,563 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-14 16:26:29,563 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-04-14 16:26:29,570 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2025-04-14 16:26:29,763 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,SelfDestructingSolverStorable41,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:26:29,764 INFO L403 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)] === [2025-04-14 16:26:29,764 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:26:29,764 INFO L139 ounterexampleChecker]: Examining path program with hash -1570864525, occurence #1 [2025-04-14 16:26:29,764 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 16:26:29,764 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:26:29,764 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:26:29,764 INFO L85 PathProgramCache]: Analyzing trace with hash 1230070347, now seen corresponding path program 13 times [2025-04-14 16:26:29,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:26:29,764 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526807463] [2025-04-14 16:26:29,764 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-14 16:26:29,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:26:29,778 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 146 statements into 1 equivalence classes. [2025-04-14 16:26:29,800 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 146 of 146 statements. [2025-04-14 16:26:29,800 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:26:29,800 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:26:30,329 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 37 proven. 70 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2025-04-14 16:26:30,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:26:30,329 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526807463] [2025-04-14 16:26:30,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526807463] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:26:30,329 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1872892237] [2025-04-14 16:26:30,329 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-14 16:26:30,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:26:30,329 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:26:30,331 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 16:26:30,333 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-04-14 16:26:30,468 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 146 statements into 1 equivalence classes. [2025-04-14 16:26:30,526 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 146 of 146 statements. [2025-04-14 16:26:30,526 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:26:30,526 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:26:30,529 INFO L256 TraceCheckSpWp]: Trace formula consists of 798 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-04-14 16:26:30,531 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:26:30,634 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 13 proven. 32 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2025-04-14 16:26:30,634 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 16:26:30,981 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 9 proven. 52 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2025-04-14 16:26:30,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1872892237] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 16:26:30,981 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 16:26:30,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 4, 14] total 36 [2025-04-14 16:26:30,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223747975] [2025-04-14 16:26:30,981 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 16:26:30,982 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2025-04-14 16:26:30,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:26:30,982 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2025-04-14 16:26:30,982 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=213, Invalid=1047, Unknown=0, NotChecked=0, Total=1260 [2025-04-14 16:26:30,983 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:26:30,983 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:26:30,983 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 7.333333333333333) internal successors, (264), 36 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 16:26:30,983 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:30,983 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:30,983 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:26:30,983 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-14 16:26:30,983 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:26:30,983 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:30,983 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:30,983 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 16:26:30,983 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:30,983 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:30,983 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:26:30,983 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:30,983 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 16:26:30,983 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 16:26:30,983 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2025-04-14 16:26:30,983 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:26:30,983 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:30,983 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:26:30,983 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-14 16:26:30,983 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-14 16:26:30,983 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2025-04-14 16:26:30,983 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:26:31,719 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:31,719 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:31,719 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:26:31,719 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-14 16:26:31,719 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:26:31,719 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:31,719 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:31,719 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 16:26:31,719 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:31,719 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:31,719 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:26:31,719 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:31,719 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 16:26:31,719 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 16:26:31,719 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2025-04-14 16:26:31,719 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:26:31,719 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:31,719 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:26:31,719 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-14 16:26:31,720 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-14 16:26:31,720 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2025-04-14 16:26:31,720 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-14 16:26:31,726 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2025-04-14 16:26:31,920 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:26:31,920 INFO L403 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)] === [2025-04-14 16:26:31,920 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:26:31,920 INFO L139 ounterexampleChecker]: Examining path program with hash 1841800060, occurence #1 [2025-04-14 16:26:31,920 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 16:26:31,921 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:26:31,921 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:26:31,921 INFO L85 PathProgramCache]: Analyzing trace with hash -1322074422, now seen corresponding path program 14 times [2025-04-14 16:26:31,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:26:31,921 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107705371] [2025-04-14 16:26:31,921 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 16:26:31,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:26:31,935 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 154 statements into 2 equivalence classes. [2025-04-14 16:26:31,960 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 154 of 154 statements. [2025-04-14 16:26:31,961 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 16:26:31,961 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:26:32,551 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 28 proven. 88 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2025-04-14 16:26:32,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:26:32,551 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107705371] [2025-04-14 16:26:32,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107705371] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:26:32,551 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1783712149] [2025-04-14 16:26:32,552 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 16:26:32,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:26:32,552 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:26:32,554 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 16:26:32,555 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2025-04-14 16:26:32,684 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 154 statements into 2 equivalence classes. [2025-04-14 16:26:32,745 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 154 of 154 statements. [2025-04-14 16:26:32,745 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 16:26:32,746 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:26:32,749 INFO L256 TraceCheckSpWp]: Trace formula consists of 832 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-04-14 16:26:32,751 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:26:33,180 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 74 proven. 45 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2025-04-14 16:26:33,180 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 16:26:33,665 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 53 proven. 66 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2025-04-14 16:26:33,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1783712149] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 16:26:33,666 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 16:26:33,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22, 22] total 60 [2025-04-14 16:26:33,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64570554] [2025-04-14 16:26:33,666 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 16:26:33,666 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2025-04-14 16:26:33,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:26:33,667 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2025-04-14 16:26:33,667 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=722, Invalid=2818, Unknown=0, NotChecked=0, Total=3540 [2025-04-14 16:26:33,667 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:26:33,668 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:26:33,668 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 60 states have (on average 5.116666666666666) internal successors, (307), 60 states have internal predecessors, (307), 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) [2025-04-14 16:26:33,668 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:33,668 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:33,668 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:26:33,668 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-14 16:26:33,668 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:26:33,668 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:33,668 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:33,668 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 16:26:33,668 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:33,668 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:33,668 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:26:33,668 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:33,668 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 16:26:33,668 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 16:26:33,668 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2025-04-14 16:26:33,668 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:26:33,668 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:33,668 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:26:33,668 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-14 16:26:33,668 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-14 16:26:33,668 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2025-04-14 16:26:33,668 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-14 16:26:33,668 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:26:33,934 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:33,934 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:33,934 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:26:33,934 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-14 16:26:33,934 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:26:33,934 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:33,934 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:33,934 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 16:26:33,934 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:33,934 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:33,934 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:26:33,934 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:33,934 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 16:26:33,934 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 16:26:33,934 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2025-04-14 16:26:33,934 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:26:33,934 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:33,934 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:26:33,934 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-14 16:26:33,934 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-14 16:26:33,934 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2025-04-14 16:26:33,934 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-14 16:26:33,935 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-14 16:26:33,942 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2025-04-14 16:26:34,135 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:26:34,135 INFO L403 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)] === [2025-04-14 16:26:34,135 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:26:34,135 INFO L139 ounterexampleChecker]: Examining path program with hash 1841800060, occurence #2 [2025-04-14 16:26:34,135 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 16:26:34,135 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 16:26:34,135 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:26:34,135 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2025-04-14 16:26:34,136 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:26:34,136 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2025-04-14 16:26:34,136 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:26:34,136 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-14 16:26:34,136 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:26:34,136 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-04-14 16:26:34,136 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:26:34,136 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2025-04-14 16:26:34,136 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:26:34,136 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 112 [2025-04-14 16:26:34,136 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:26:34,136 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2025-04-14 16:26:34,150 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:26:34,150 INFO L85 PathProgramCache]: Analyzing trace with hash 192002860, now seen corresponding path program 1 times [2025-04-14 16:26:34,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:26:34,150 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826020186] [2025-04-14 16:26:34,150 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:26:34,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:26:34,165 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 116 statements into 1 equivalence classes. [2025-04-14 16:26:34,183 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 116 of 116 statements. [2025-04-14 16:26:34,183 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:26:34,183 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:26:34,517 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 15 proven. 61 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2025-04-14 16:26:34,517 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 16:26:34,517 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826020186] [2025-04-14 16:26:34,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826020186] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:26:34,517 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1471451614] [2025-04-14 16:26:34,517 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:26:34,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:26:34,537 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 116 statements into 1 equivalence classes. [2025-04-14 16:26:34,573 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 116 of 116 statements. [2025-04-14 16:26:34,574 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:26:34,574 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:26:34,577 INFO L256 TraceCheckSpWp]: Trace formula consists of 706 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-04-14 16:26:34,579 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:26:34,915 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 21 proven. 55 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2025-04-14 16:26:34,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1471451614] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:26:34,919 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 16:26:34,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 27 [2025-04-14 16:26:34,919 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 16:26:34,919 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 120 [2025-04-14 16:26:34,961 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:26:34,961 INFO L85 PathProgramCache]: Analyzing trace with hash -936410518, now seen corresponding path program 1 times [2025-04-14 16:26:34,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:26:34,961 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468223095] [2025-04-14 16:26:34,961 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:26:34,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:26:34,979 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 121 statements into 1 equivalence classes. [2025-04-14 16:26:35,005 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 121 of 121 statements. [2025-04-14 16:26:35,006 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:26:35,006 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:26:35,413 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 15 proven. 61 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2025-04-14 16:26:35,413 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 16:26:35,413 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468223095] [2025-04-14 16:26:35,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468223095] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:26:35,413 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1164649454] [2025-04-14 16:26:35,413 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:26:35,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:26:35,427 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 121 statements into 1 equivalence classes. [2025-04-14 16:26:35,455 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 121 of 121 statements. [2025-04-14 16:26:35,455 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:26:35,455 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:26:35,457 INFO L256 TraceCheckSpWp]: Trace formula consists of 723 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-04-14 16:26:35,459 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:26:35,744 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 21 proven. 55 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2025-04-14 16:26:35,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1164649454] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:26:35,744 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 16:26:35,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15] total 30 [2025-04-14 16:26:35,744 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 16:26:35,744 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 123 [2025-04-14 16:26:35,744 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:26:35,744 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 125 [2025-04-14 16:26:35,775 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:26:35,775 INFO L85 PathProgramCache]: Analyzing trace with hash 1533588292, now seen corresponding path program 1 times [2025-04-14 16:26:35,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:26:35,775 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784679340] [2025-04-14 16:26:35,775 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:26:35,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:26:35,791 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 126 statements into 1 equivalence classes. [2025-04-14 16:26:35,814 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 126 of 126 statements. [2025-04-14 16:26:35,814 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:26:35,814 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:26:36,222 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 15 proven. 61 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2025-04-14 16:26:36,223 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 16:26:36,223 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784679340] [2025-04-14 16:26:36,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784679340] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:26:36,223 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1530987104] [2025-04-14 16:26:36,223 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:26:36,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:26:36,238 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 126 statements into 1 equivalence classes. [2025-04-14 16:26:36,269 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 126 of 126 statements. [2025-04-14 16:26:36,269 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:26:36,269 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:26:36,271 INFO L256 TraceCheckSpWp]: Trace formula consists of 742 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-04-14 16:26:36,274 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:26:36,549 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 21 proven. 55 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2025-04-14 16:26:36,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1530987104] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:26:36,550 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 16:26:36,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15] total 30 [2025-04-14 16:26:36,550 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 16:26:36,550 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 140 [2025-04-14 16:26:36,550 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:26:36,550 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 144 [2025-04-14 16:26:36,550 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:26:36,550 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 148 [2025-04-14 16:26:36,550 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:26:36,550 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 150 [2025-04-14 16:26:36,550 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:26:36,550 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 153 [2025-04-14 16:26:36,550 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:26:36,550 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 16:26:36,550 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:26:36,550 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:26:36,551 INFO L85 PathProgramCache]: Analyzing trace with hash 1402972595, now seen corresponding path program 15 times [2025-04-14 16:26:36,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:26:36,551 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563928051] [2025-04-14 16:26:36,551 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 16:26:36,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:26:36,583 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 155 statements into 6 equivalence classes. [2025-04-14 16:26:36,601 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 65 of 155 statements. [2025-04-14 16:26:36,602 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-04-14 16:26:36,602 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:26:36,753 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2025-04-14 16:26:36,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:26:36,753 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563928051] [2025-04-14 16:26:36,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563928051] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 16:26:36,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 16:26:36,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-04-14 16:26:36,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285353463] [2025-04-14 16:26:36,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 16:26:36,753 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-04-14 16:26:36,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:26:36,754 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-04-14 16:26:36,754 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-04-14 16:26:36,754 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:26:36,754 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:26:36,754 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 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) [2025-04-14 16:26:36,754 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:36,754 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:36,754 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:26:36,754 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-14 16:26:36,754 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:26:36,754 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:36,754 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:36,754 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 16:26:36,754 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:36,754 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:36,754 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:26:36,754 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:36,754 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 16:26:36,754 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 16:26:36,755 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2025-04-14 16:26:36,755 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:26:36,755 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:36,755 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:26:36,755 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-14 16:26:36,755 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-14 16:26:36,755 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2025-04-14 16:26:36,755 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-14 16:26:36,755 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-14 16:26:36,755 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:26:37,019 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:37,019 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:37,019 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:26:37,019 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-14 16:26:37,019 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:26:37,019 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:37,019 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:37,019 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 16:26:37,019 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:37,019 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:37,019 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:26:37,019 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:37,020 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 16:26:37,020 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 16:26:37,020 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2025-04-14 16:26:37,020 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:26:37,020 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:37,020 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:26:37,020 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-14 16:26:37,020 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-14 16:26:37,020 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2025-04-14 16:26:37,020 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-14 16:26:37,020 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-14 16:26:37,020 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:26:37,020 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,SelfDestructingSolverStorable44,SelfDestructingSolverStorable45,SelfDestructingSolverStorable46,SelfDestructingSolverStorable47,SelfDestructingSolverStorable48,SelfDestructingSolverStorable49 [2025-04-14 16:26:37,020 INFO L403 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)] === [2025-04-14 16:26:37,020 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:26:37,020 INFO L139 ounterexampleChecker]: Examining path program with hash 1345137787, occurence #1 [2025-04-14 16:26:37,020 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 16:26:37,020 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:26:37,021 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:26:37,021 INFO L85 PathProgramCache]: Analyzing trace with hash 630960025, now seen corresponding path program 16 times [2025-04-14 16:26:37,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:26:37,021 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588932096] [2025-04-14 16:26:37,021 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 16:26:37,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:26:37,039 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 132 statements into 2 equivalence classes. [2025-04-14 16:26:37,064 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 132 of 132 statements. [2025-04-14 16:26:37,064 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-14 16:26:37,064 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:26:37,551 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 15 proven. 61 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2025-04-14 16:26:37,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:26:37,551 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588932096] [2025-04-14 16:26:37,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588932096] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:26:37,551 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [774984697] [2025-04-14 16:26:37,551 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 16:26:37,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:26:37,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:26:37,553 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 16:26:37,555 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2025-04-14 16:26:37,706 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 132 statements into 2 equivalence classes. [2025-04-14 16:26:37,765 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 132 of 132 statements. [2025-04-14 16:26:37,766 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-14 16:26:37,766 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:26:37,769 INFO L256 TraceCheckSpWp]: Trace formula consists of 772 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-04-14 16:26:37,771 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:26:38,069 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 21 proven. 55 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2025-04-14 16:26:38,069 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 16:26:38,345 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 28 proven. 49 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2025-04-14 16:26:38,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [774984697] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 16:26:38,345 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 16:26:38,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15, 17] total 42 [2025-04-14 16:26:38,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949955913] [2025-04-14 16:26:38,345 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 16:26:38,345 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2025-04-14 16:26:38,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:26:38,346 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2025-04-14 16:26:38,347 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=363, Invalid=1443, Unknown=0, NotChecked=0, Total=1806 [2025-04-14 16:26:38,347 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:26:38,347 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:26:38,347 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 5.767441860465116) internal successors, (248), 42 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 16:26:38,347 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:38,347 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:38,347 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:26:38,347 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-14 16:26:38,347 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:26:38,347 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:38,347 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:38,347 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 16:26:38,347 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:38,347 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:38,347 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:26:38,347 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:38,347 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 16:26:38,347 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 16:26:38,347 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2025-04-14 16:26:38,347 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:26:38,347 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:38,347 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:26:38,347 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-14 16:26:38,347 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-14 16:26:38,347 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2025-04-14 16:26:38,347 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-14 16:26:38,347 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-14 16:26:38,347 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:26:38,347 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:26:40,353 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:40,353 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:40,353 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:26:40,353 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-14 16:26:40,353 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:26:40,353 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:40,353 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:40,353 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 16:26:40,353 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:26:40,353 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:40,353 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:26:40,353 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:40,353 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 16:26:40,353 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 16:26:40,353 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2025-04-14 16:26:40,353 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:26:40,353 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:26:40,353 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:26:40,353 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-14 16:26:40,353 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-14 16:26:40,353 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-04-14 16:26:40,353 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-14 16:26:40,353 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-14 16:26:40,353 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:26:40,353 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-04-14 16:26:40,360 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2025-04-14 16:26:40,554 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:26:40,554 INFO L403 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)] === [2025-04-14 16:26:40,554 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:26:40,554 INFO L139 ounterexampleChecker]: Examining path program with hash 1775426964, occurence #1 [2025-04-14 16:26:40,554 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 16:26:40,554 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:26:40,555 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:26:40,555 INFO L85 PathProgramCache]: Analyzing trace with hash -759103387, now seen corresponding path program 17 times [2025-04-14 16:26:40,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:26:40,555 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507823584] [2025-04-14 16:26:40,555 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 16:26:40,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:26:40,607 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 442 statements into 17 equivalence classes. [2025-04-14 16:26:41,860 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 17 check-sat command(s) and asserted 442 of 442 statements. [2025-04-14 16:26:41,860 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 17 check-sat command(s) [2025-04-14 16:26:41,860 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:26:44,101 INFO L134 CoverageAnalysis]: Checked inductivity of 2186 backedges. 1640 proven. 460 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2025-04-14 16:26:44,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:26:44,101 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507823584] [2025-04-14 16:26:44,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507823584] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:26:44,101 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [667972179] [2025-04-14 16:26:44,101 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 16:26:44,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:26:44,101 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:26:44,103 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 16:26:44,103 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2025-04-14 16:26:44,307 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 442 statements into 17 equivalence classes. [2025-04-14 16:29:29,525 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 17 check-sat command(s) and asserted 442 of 442 statements. [2025-04-14 16:29:29,525 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 17 check-sat command(s) [2025-04-14 16:29:29,525 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:29:29,567 INFO L256 TraceCheckSpWp]: Trace formula consists of 1839 conjuncts, 41 conjuncts are in the unsatisfiable core [2025-04-14 16:29:29,572 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:29:31,157 INFO L134 CoverageAnalysis]: Checked inductivity of 2186 backedges. 1675 proven. 395 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2025-04-14 16:29:31,157 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 16:29:33,046 INFO L134 CoverageAnalysis]: Checked inductivity of 2186 backedges. 1965 proven. 115 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2025-04-14 16:29:33,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [667972179] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 16:29:33,046 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 16:29:33,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 36, 38] total 110 [2025-04-14 16:29:33,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465984240] [2025-04-14 16:29:33,046 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 16:29:33,047 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 110 states [2025-04-14 16:29:33,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:29:33,048 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 110 interpolants. [2025-04-14 16:29:33,050 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2414, Invalid=9576, Unknown=0, NotChecked=0, Total=11990 [2025-04-14 16:29:33,050 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:29:33,050 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:29:33,051 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 110 states, 110 states have (on average 9.754545454545454) internal successors, (1073), 110 states have internal predecessors, (1073), 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) [2025-04-14 16:29:33,051 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:29:33,051 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:29:33,051 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:29:33,051 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-14 16:29:33,051 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:29:33,051 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:29:33,051 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:29:33,051 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 16:29:33,051 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:29:33,051 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:29:33,051 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:29:33,051 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:29:33,051 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 16:29:33,051 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 16:29:33,051 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2025-04-14 16:29:33,051 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:29:33,051 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:29:33,051 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:29:33,051 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-14 16:29:33,051 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-14 16:29:33,051 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-04-14 16:29:33,051 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-14 16:29:33,051 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-14 16:29:33,051 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:29:33,051 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-04-14 16:29:33,051 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:29:34,586 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:29:34,587 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:29:34,587 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:29:34,587 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-14 16:29:34,587 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:29:34,587 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:29:34,587 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:29:34,587 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 16:29:34,587 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:29:34,587 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:29:34,587 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:29:34,587 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:29:34,587 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 16:29:34,587 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 16:29:34,587 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2025-04-14 16:29:34,587 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:29:34,587 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:29:34,587 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:29:34,587 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-14 16:29:34,587 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-14 16:29:34,587 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-04-14 16:29:34,587 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-14 16:29:34,587 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-14 16:29:34,587 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:29:34,587 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-04-14 16:29:34,587 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-04-14 16:29:34,648 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2025-04-14 16:29:34,788 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable52 [2025-04-14 16:29:34,788 INFO L403 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)] === [2025-04-14 16:29:34,788 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:29:34,788 INFO L139 ounterexampleChecker]: Examining path program with hash 1775426964, occurence #2 [2025-04-14 16:29:34,788 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 16:29:34,788 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 16:29:34,788 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:29:34,789 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2025-04-14 16:29:34,789 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:29:34,789 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2025-04-14 16:29:34,789 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:29:34,789 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 44 [2025-04-14 16:29:34,789 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:29:34,789 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-04-14 16:29:34,789 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:29:34,789 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2025-04-14 16:29:34,789 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:29:34,789 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 249 [2025-04-14 16:29:34,829 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:29:34,829 INFO L85 PathProgramCache]: Analyzing trace with hash -232721513, now seen corresponding path program 1 times [2025-04-14 16:29:34,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:29:34,829 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622818316] [2025-04-14 16:29:34,829 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:29:34,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:29:34,851 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 250 statements into 1 equivalence classes. [2025-04-14 16:29:34,923 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 250 of 250 statements. [2025-04-14 16:29:34,923 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:29:34,924 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:29:35,772 INFO L134 CoverageAnalysis]: Checked inductivity of 1032 backedges. 301 proven. 451 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2025-04-14 16:29:35,772 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 16:29:35,772 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622818316] [2025-04-14 16:29:35,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622818316] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:29:35,772 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1213048171] [2025-04-14 16:29:35,772 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:29:35,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:29:35,793 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 250 statements into 1 equivalence classes. [2025-04-14 16:29:35,858 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 250 of 250 statements. [2025-04-14 16:29:35,858 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:29:35,858 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:29:35,863 INFO L256 TraceCheckSpWp]: Trace formula consists of 1214 conjuncts, 27 conjuncts are in the unsatisfiable core [2025-04-14 16:29:35,866 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:29:36,536 INFO L134 CoverageAnalysis]: Checked inductivity of 1032 backedges. 686 proven. 66 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2025-04-14 16:29:36,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1213048171] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:29:36,536 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 16:29:36,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26] total 49 [2025-04-14 16:29:36,536 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 16:29:36,536 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 360 is hopeless, skipping. [2025-04-14 16:29:36,537 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 421 [2025-04-14 16:29:36,537 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:29:36,537 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 424 [2025-04-14 16:29:36,550 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:29:36,550 INFO L85 PathProgramCache]: Analyzing trace with hash -721319738, now seen corresponding path program 1 times [2025-04-14 16:29:36,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:29:36,550 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547592282] [2025-04-14 16:29:36,550 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:29:36,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:29:36,578 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 425 statements into 1 equivalence classes. [2025-04-14 16:29:36,737 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 425 of 425 statements. [2025-04-14 16:29:36,737 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:29:36,737 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:29:38,256 INFO L134 CoverageAnalysis]: Checked inductivity of 2313 backedges. 431 proven. 1028 refuted. 0 times theorem prover too weak. 854 trivial. 0 not checked. [2025-04-14 16:29:38,256 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 16:29:38,256 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547592282] [2025-04-14 16:29:38,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547592282] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:29:38,256 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [904380778] [2025-04-14 16:29:38,256 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:29:38,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:29:38,305 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 425 statements into 1 equivalence classes. [2025-04-14 16:29:38,448 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 425 of 425 statements. [2025-04-14 16:29:38,448 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:29:38,448 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:29:38,456 INFO L256 TraceCheckSpWp]: Trace formula consists of 1835 conjuncts, 28 conjuncts are in the unsatisfiable core [2025-04-14 16:29:38,460 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:29:39,210 INFO L134 CoverageAnalysis]: Checked inductivity of 2313 backedges. 1341 proven. 118 refuted. 0 times theorem prover too weak. 854 trivial. 0 not checked. [2025-04-14 16:29:39,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [904380778] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:29:39,211 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 16:29:39,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26] total 49 [2025-04-14 16:29:39,211 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 16:29:39,211 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 433 [2025-04-14 16:29:39,236 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:29:39,237 INFO L85 PathProgramCache]: Analyzing trace with hash 1581604754, now seen corresponding path program 1 times [2025-04-14 16:29:39,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:29:39,237 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379963923] [2025-04-14 16:29:39,237 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:29:39,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:29:39,265 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 434 statements into 1 equivalence classes. [2025-04-14 16:29:39,398 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 434 of 434 statements. [2025-04-14 16:29:39,398 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:29:39,398 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:29:41,030 INFO L134 CoverageAnalysis]: Checked inductivity of 2319 backedges. 431 proven. 1028 refuted. 0 times theorem prover too weak. 860 trivial. 0 not checked. [2025-04-14 16:29:41,030 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 16:29:41,030 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379963923] [2025-04-14 16:29:41,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379963923] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:29:41,030 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1092510623] [2025-04-14 16:29:41,031 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:29:41,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:29:41,059 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 434 statements into 1 equivalence classes. [2025-04-14 16:29:41,207 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 434 of 434 statements. [2025-04-14 16:29:41,207 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:29:41,207 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:29:41,215 INFO L256 TraceCheckSpWp]: Trace formula consists of 1873 conjuncts, 28 conjuncts are in the unsatisfiable core [2025-04-14 16:29:41,219 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:29:41,989 INFO L134 CoverageAnalysis]: Checked inductivity of 2319 backedges. 1341 proven. 118 refuted. 0 times theorem prover too weak. 860 trivial. 0 not checked. [2025-04-14 16:29:41,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1092510623] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:29:41,990 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 16:29:41,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26] total 49 [2025-04-14 16:29:41,990 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 16:29:41,990 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 441 [2025-04-14 16:29:41,990 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:29:41,990 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 445 [2025-04-14 16:29:41,990 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:29:41,990 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 447 [2025-04-14 16:29:41,990 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:29:41,990 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 451 [2025-04-14 16:29:41,990 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:29:41,990 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 16:29:41,990 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:29:41,991 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:29:41,991 INFO L85 PathProgramCache]: Analyzing trace with hash -865829682, now seen corresponding path program 18 times [2025-04-14 16:29:41,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:29:41,991 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911840961] [2025-04-14 16:29:41,991 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-14 16:29:41,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:29:42,055 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 453 statements into 17 equivalence classes. [2025-04-14 16:29:42,204 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) and asserted 170 of 453 statements. [2025-04-14 16:29:42,204 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2025-04-14 16:29:42,205 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:29:42,528 INFO L134 CoverageAnalysis]: Checked inductivity of 2332 backedges. 231 proven. 0 refuted. 0 times theorem prover too weak. 2101 trivial. 0 not checked. [2025-04-14 16:29:42,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:29:42,528 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911840961] [2025-04-14 16:29:42,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1911840961] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 16:29:42,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 16:29:42,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-04-14 16:29:42,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215974507] [2025-04-14 16:29:42,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 16:29:42,529 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-04-14 16:29:42,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:29:42,529 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-04-14 16:29:42,530 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-04-14 16:29:42,530 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:29:42,530 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:29:42,530 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 16:29:42,530 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:29:42,530 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:29:42,530 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:29:42,530 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-14 16:29:42,530 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:29:42,530 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:29:42,530 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:29:42,530 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 16:29:42,530 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:29:42,530 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:29:42,530 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:29:42,530 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:29:42,530 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 16:29:42,530 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 16:29:42,530 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2025-04-14 16:29:42,530 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:29:42,530 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:29:42,530 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:29:42,530 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-14 16:29:42,530 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-14 16:29:42,530 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-04-14 16:29:42,530 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-14 16:29:42,530 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-14 16:29:42,530 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:29:42,530 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-04-14 16:29:42,530 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-04-14 16:29:42,530 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:29:43,215 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:29:43,215 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:29:43,215 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:29:43,215 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-14 16:29:43,215 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:29:43,215 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:29:43,216 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:29:43,216 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 16:29:43,216 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:29:43,216 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:29:43,216 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:29:43,216 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:29:43,216 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 16:29:43,216 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 16:29:43,216 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2025-04-14 16:29:43,216 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:29:43,216 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:29:43,216 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:29:43,216 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-14 16:29:43,216 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-14 16:29:43,216 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2025-04-14 16:29:43,216 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-14 16:29:43,216 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-14 16:29:43,216 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:29:43,216 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-04-14 16:29:43,216 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-04-14 16:29:43,216 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:29:43,216 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53,SelfDestructingSolverStorable54,SelfDestructingSolverStorable55,SelfDestructingSolverStorable56,SelfDestructingSolverStorable57,SelfDestructingSolverStorable58,SelfDestructingSolverStorable59 [2025-04-14 16:29:43,216 INFO L403 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)] === [2025-04-14 16:29:43,216 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:29:43,217 INFO L139 ounterexampleChecker]: Examining path program with hash 1194516349, occurence #1 [2025-04-14 16:29:43,217 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 16:29:43,217 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:29:43,217 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:29:43,217 INFO L85 PathProgramCache]: Analyzing trace with hash 1726741306, now seen corresponding path program 19 times [2025-04-14 16:29:43,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:29:43,217 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13883907] [2025-04-14 16:29:43,217 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-14 16:29:43,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:29:43,249 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 488 statements into 1 equivalence classes. [2025-04-14 16:29:43,437 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 488 of 488 statements. [2025-04-14 16:29:43,437 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:29:43,437 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:29:45,040 INFO L134 CoverageAnalysis]: Checked inductivity of 2615 backedges. 399 proven. 1226 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2025-04-14 16:29:45,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:29:45,041 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13883907] [2025-04-14 16:29:45,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [13883907] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:29:45,041 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1007466791] [2025-04-14 16:29:45,041 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-14 16:29:45,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:29:45,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:29:45,042 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 16:29:45,059 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2025-04-14 16:29:45,288 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 488 statements into 1 equivalence classes. [2025-04-14 16:29:45,444 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 488 of 488 statements. [2025-04-14 16:29:45,444 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:29:45,444 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:29:45,452 INFO L256 TraceCheckSpWp]: Trace formula consists of 2060 conjuncts, 28 conjuncts are in the unsatisfiable core [2025-04-14 16:29:45,456 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:29:46,085 INFO L134 CoverageAnalysis]: Checked inductivity of 2615 backedges. 1718 proven. 66 refuted. 0 times theorem prover too weak. 831 trivial. 0 not checked. [2025-04-14 16:29:46,085 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 16:29:46,731 INFO L134 CoverageAnalysis]: Checked inductivity of 2615 backedges. 1628 proven. 156 refuted. 0 times theorem prover too weak. 831 trivial. 0 not checked. [2025-04-14 16:29:46,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1007466791] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 16:29:46,731 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 16:29:46,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26, 26] total 72 [2025-04-14 16:29:46,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150407162] [2025-04-14 16:29:46,731 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 16:29:46,732 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 72 states [2025-04-14 16:29:46,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:29:46,733 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2025-04-14 16:29:46,734 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=980, Invalid=4132, Unknown=0, NotChecked=0, Total=5112 [2025-04-14 16:29:46,734 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:29:46,734 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:29:46,734 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 72 states, 72 states have (on average 7.333333333333333) internal successors, (528), 72 states have internal predecessors, (528), 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) [2025-04-14 16:29:46,734 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:29:46,734 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:29:46,734 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:29:46,734 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-14 16:29:46,734 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:29:46,734 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:29:46,734 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:29:46,734 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 16:29:46,734 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:29:46,734 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:29:46,734 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:29:46,734 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:29:46,734 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 16:29:46,734 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 16:29:46,735 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2025-04-14 16:29:46,735 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:29:46,735 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:29:46,735 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:29:46,735 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-14 16:29:46,735 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-14 16:29:46,735 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2025-04-14 16:29:46,735 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-14 16:29:46,735 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-14 16:29:46,735 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:29:46,735 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-04-14 16:29:46,735 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-04-14 16:29:46,735 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:29:46,735 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:29:47,245 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:29:47,245 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:29:47,245 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:29:47,245 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-14 16:29:47,246 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:29:47,246 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:29:47,246 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:29:47,246 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 16:29:47,246 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:29:47,246 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:29:47,246 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:29:47,246 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:29:47,246 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 16:29:47,246 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 16:29:47,246 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2025-04-14 16:29:47,246 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:29:47,246 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:29:47,246 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:29:47,246 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-14 16:29:47,246 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-14 16:29:47,246 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2025-04-14 16:29:47,246 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-14 16:29:47,246 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-14 16:29:47,246 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:29:47,246 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-04-14 16:29:47,246 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-04-14 16:29:47,246 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:29:47,249 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-14 16:29:47,259 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2025-04-14 16:29:47,450 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:29:47,450 INFO L403 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-14 16:29:47,450 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:29:47,451 INFO L139 ounterexampleChecker]: Examining path program with hash 1194516349, occurence #2 [2025-04-14 16:29:47,451 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 16:29:47,451 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 16:29:47,451 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:29:47,451 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-04-14 16:29:47,451 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:29:47,451 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2025-04-14 16:29:47,451 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:29:47,451 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2025-04-14 16:29:47,451 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:29:47,451 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 49 [2025-04-14 16:29:47,451 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:29:47,451 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-04-14 16:29:47,451 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:29:47,451 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 250 [2025-04-14 16:29:47,495 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:29:47,496 INFO L85 PathProgramCache]: Analyzing trace with hash 1128180981, now seen corresponding path program 1 times [2025-04-14 16:29:47,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:29:47,496 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970799227] [2025-04-14 16:29:47,496 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:29:47,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:29:47,522 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 251 statements into 1 equivalence classes. [2025-04-14 16:29:47,597 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 251 of 251 statements. [2025-04-14 16:29:47,598 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:29:47,598 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:29:48,537 INFO L134 CoverageAnalysis]: Checked inductivity of 1044 backedges. 399 proven. 406 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2025-04-14 16:29:48,537 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 16:29:48,537 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970799227] [2025-04-14 16:29:48,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970799227] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:29:48,537 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1947957894] [2025-04-14 16:29:48,537 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:29:48,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:29:48,559 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 251 statements into 1 equivalence classes. [2025-04-14 16:29:48,625 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 251 of 251 statements. [2025-04-14 16:29:48,625 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:29:48,625 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:29:48,629 INFO L256 TraceCheckSpWp]: Trace formula consists of 1223 conjuncts, 29 conjuncts are in the unsatisfiable core [2025-04-14 16:29:48,632 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:29:49,353 INFO L134 CoverageAnalysis]: Checked inductivity of 1044 backedges. 727 proven. 78 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2025-04-14 16:29:49,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1947957894] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:29:49,353 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 16:29:49,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 53 [2025-04-14 16:29:49,354 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 16:29:49,354 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 361 is hopeless, skipping. [2025-04-14 16:29:49,354 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 457 [2025-04-14 16:29:49,354 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:29:49,354 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 460 [2025-04-14 16:29:49,367 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:29:49,367 INFO L85 PathProgramCache]: Analyzing trace with hash -549426608, now seen corresponding path program 1 times [2025-04-14 16:29:49,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:29:49,367 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65498509] [2025-04-14 16:29:49,367 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:29:49,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:29:49,398 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 461 statements into 1 equivalence classes. [2025-04-14 16:29:49,552 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 461 of 461 statements. [2025-04-14 16:29:49,552 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:29:49,552 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:29:52,050 INFO L134 CoverageAnalysis]: Checked inductivity of 2608 backedges. 1953 proven. 451 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2025-04-14 16:29:52,050 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 16:29:52,050 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65498509] [2025-04-14 16:29:52,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [65498509] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:29:52,050 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [354240572] [2025-04-14 16:29:52,050 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:29:52,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:29:52,082 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 461 statements into 1 equivalence classes. [2025-04-14 16:29:52,280 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 461 of 461 statements. [2025-04-14 16:29:52,280 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:29:52,281 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:29:52,288 INFO L256 TraceCheckSpWp]: Trace formula consists of 1966 conjuncts, 45 conjuncts are in the unsatisfiable core [2025-04-14 16:29:52,292 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:29:53,918 INFO L134 CoverageAnalysis]: Checked inductivity of 2608 backedges. 2325 proven. 78 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2025-04-14 16:29:53,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [354240572] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:29:53,918 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 16:29:53,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 41] total 81 [2025-04-14 16:29:53,918 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 16:29:53,919 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 469 [2025-04-14 16:29:53,951 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:29:53,951 INFO L85 PathProgramCache]: Analyzing trace with hash -1567216110, now seen corresponding path program 1 times [2025-04-14 16:29:53,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:29:53,951 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107972405] [2025-04-14 16:29:53,951 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:29:53,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:29:53,982 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 470 statements into 1 equivalence classes. [2025-04-14 16:29:54,149 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 470 of 470 statements. [2025-04-14 16:29:54,149 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:29:54,149 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:29:56,725 INFO L134 CoverageAnalysis]: Checked inductivity of 2614 backedges. 1953 proven. 451 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2025-04-14 16:29:56,725 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 16:29:56,725 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107972405] [2025-04-14 16:29:56,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107972405] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:29:56,725 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1773628657] [2025-04-14 16:29:56,725 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:29:56,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:29:56,756 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 470 statements into 1 equivalence classes. [2025-04-14 16:29:56,945 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 470 of 470 statements. [2025-04-14 16:29:56,945 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:29:56,945 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:29:56,954 INFO L256 TraceCheckSpWp]: Trace formula consists of 2004 conjuncts, 45 conjuncts are in the unsatisfiable core [2025-04-14 16:29:56,958 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:29:58,661 INFO L134 CoverageAnalysis]: Checked inductivity of 2614 backedges. 2325 proven. 78 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2025-04-14 16:29:58,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1773628657] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:29:58,662 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 16:29:58,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 41] total 81 [2025-04-14 16:29:58,663 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 16:29:58,663 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 477 [2025-04-14 16:29:58,663 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:29:58,663 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 481 [2025-04-14 16:29:58,663 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:29:58,663 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 483 [2025-04-14 16:29:58,663 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:29:58,663 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 487 [2025-04-14 16:29:58,663 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:29:58,663 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 16:29:58,663 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:29:58,664 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:29:58,664 INFO L85 PathProgramCache]: Analyzing trace with hash 486456483, now seen corresponding path program 20 times [2025-04-14 16:29:58,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:29:58,664 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002680182] [2025-04-14 16:29:58,664 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 16:29:58,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:29:58,696 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 489 statements into 2 equivalence classes. [2025-04-14 16:29:58,875 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 489 of 489 statements. [2025-04-14 16:29:58,876 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 16:29:58,876 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:30:01,464 INFO L134 CoverageAnalysis]: Checked inductivity of 2627 backedges. 1953 proven. 451 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2025-04-14 16:30:01,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:30:01,465 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002680182] [2025-04-14 16:30:01,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002680182] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:30:01,465 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [410100844] [2025-04-14 16:30:01,465 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 16:30:01,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:30:01,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:30:01,467 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 16:30:01,467 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2025-04-14 16:30:01,730 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 489 statements into 2 equivalence classes. [2025-04-14 16:30:01,889 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 489 of 489 statements. [2025-04-14 16:30:01,889 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 16:30:01,889 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:30:01,897 INFO L256 TraceCheckSpWp]: Trace formula consists of 2069 conjuncts, 30 conjuncts are in the unsatisfiable core [2025-04-14 16:30:01,901 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:30:02,721 INFO L134 CoverageAnalysis]: Checked inductivity of 2627 backedges. 1805 proven. 78 refuted. 0 times theorem prover too weak. 744 trivial. 0 not checked. [2025-04-14 16:30:02,721 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 16:30:03,562 INFO L134 CoverageAnalysis]: Checked inductivity of 2627 backedges. 1668 proven. 215 refuted. 0 times theorem prover too weak. 744 trivial. 0 not checked. [2025-04-14 16:30:03,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [410100844] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 16:30:03,563 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 16:30:03,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 28, 28] total 93 [2025-04-14 16:30:03,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141814439] [2025-04-14 16:30:03,563 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 16:30:03,564 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 93 states [2025-04-14 16:30:03,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:30:03,565 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 93 interpolants. [2025-04-14 16:30:03,566 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1407, Invalid=7149, Unknown=0, NotChecked=0, Total=8556 [2025-04-14 16:30:03,566 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:30:03,567 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:30:03,567 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 93 states, 93 states have (on average 8.10752688172043) internal successors, (754), 93 states have internal predecessors, (754), 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) [2025-04-14 16:30:03,567 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:30:03,567 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:30:03,567 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:30:03,567 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-14 16:30:03,567 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:30:03,567 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:30:03,567 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:30:03,567 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 16:30:03,567 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:30:03,567 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:30:03,567 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:30:03,567 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:30:03,567 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 16:30:03,567 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 16:30:03,567 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2025-04-14 16:30:03,567 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:30:03,567 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:30:03,567 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:30:03,567 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-14 16:30:03,567 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-14 16:30:03,567 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2025-04-14 16:30:03,567 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-14 16:30:03,567 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-14 16:30:03,567 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:30:03,567 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-04-14 16:30:03,567 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-04-14 16:30:03,567 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:30:03,567 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-04-14 16:30:03,567 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:30:04,182 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:30:04,182 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:30:04,182 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:30:04,182 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-14 16:30:04,182 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:30:04,182 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:30:04,182 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:30:04,182 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 16:30:04,182 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:30:04,182 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:30:04,182 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:30:04,182 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:30:04,182 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 16:30:04,182 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 16:30:04,182 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2025-04-14 16:30:04,182 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:30:04,182 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:30:04,182 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:30:04,182 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-14 16:30:04,183 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-14 16:30:04,183 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2025-04-14 16:30:04,183 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-14 16:30:04,183 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-14 16:30:04,183 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:30:04,183 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-04-14 16:30:04,183 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-04-14 16:30:04,183 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:30:04,183 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-14 16:30:04,183 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-14 16:30:04,192 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2025-04-14 16:30:04,383 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61,SelfDestructingSolverStorable62,SelfDestructingSolverStorable63,SelfDestructingSolverStorable64,SelfDestructingSolverStorable65,SelfDestructingSolverStorable66,SelfDestructingSolverStorable67,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:30:04,384 INFO L403 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-14 16:30:04,384 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:30:04,384 INFO L139 ounterexampleChecker]: Examining path program with hash 1194516349, occurence #3 [2025-04-14 16:30:04,384 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 16:30:04,384 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 16:30:04,384 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:30:04,384 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-14 16:30:04,384 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:30:04,384 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42 [2025-04-14 16:30:04,384 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:30:04,384 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 46 [2025-04-14 16:30:04,384 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:30:04,384 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 50 [2025-04-14 16:30:04,384 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:30:04,385 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-04-14 16:30:04,385 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:30:04,385 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 251 [2025-04-14 16:30:04,442 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:30:04,442 INFO L85 PathProgramCache]: Analyzing trace with hash 366483701, now seen corresponding path program 1 times [2025-04-14 16:30:04,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:30:04,442 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910108667] [2025-04-14 16:30:04,442 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:30:04,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:30:04,474 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 252 statements into 1 equivalence classes. [2025-04-14 16:30:04,555 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 252 of 252 statements. [2025-04-14 16:30:04,556 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:30:04,556 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:30:05,616 INFO L134 CoverageAnalysis]: Checked inductivity of 1057 backedges. 511 proven. 334 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2025-04-14 16:30:05,617 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 16:30:05,617 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910108667] [2025-04-14 16:30:05,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [910108667] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:30:05,617 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1357793263] [2025-04-14 16:30:05,617 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:30:05,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:30:05,640 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 252 statements into 1 equivalence classes. [2025-04-14 16:30:05,705 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 252 of 252 statements. [2025-04-14 16:30:05,705 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:30:05,705 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:30:05,710 INFO L256 TraceCheckSpWp]: Trace formula consists of 1232 conjuncts, 31 conjuncts are in the unsatisfiable core [2025-04-14 16:30:05,712 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:30:06,523 INFO L134 CoverageAnalysis]: Checked inductivity of 1057 backedges. 754 proven. 91 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2025-04-14 16:30:06,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1357793263] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:30:06,524 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 16:30:06,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30] total 57 [2025-04-14 16:30:06,524 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 16:30:06,524 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 362 is hopeless, skipping. [2025-04-14 16:30:06,524 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 458 [2025-04-14 16:30:06,524 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:30:06,524 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 461 [2025-04-14 16:30:06,539 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:30:06,539 INFO L85 PathProgramCache]: Analyzing trace with hash 534888080, now seen corresponding path program 1 times [2025-04-14 16:30:06,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:30:06,539 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615983985] [2025-04-14 16:30:06,539 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:30:06,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:30:06,573 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 462 statements into 1 equivalence classes. [2025-04-14 16:30:06,739 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 462 of 462 statements. [2025-04-14 16:30:06,739 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:30:06,739 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:30:08,532 INFO L134 CoverageAnalysis]: Checked inductivity of 2621 backedges. 459 proven. 1307 refuted. 0 times theorem prover too weak. 855 trivial. 0 not checked. [2025-04-14 16:30:08,533 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 16:30:08,533 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615983985] [2025-04-14 16:30:08,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615983985] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:30:08,533 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [2123726487] [2025-04-14 16:30:08,533 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:30:08,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:30:08,564 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 462 statements into 1 equivalence classes. [2025-04-14 16:30:08,736 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 462 of 462 statements. [2025-04-14 16:30:08,736 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:30:08,737 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:30:08,745 INFO L256 TraceCheckSpWp]: Trace formula consists of 1975 conjuncts, 32 conjuncts are in the unsatisfiable core [2025-04-14 16:30:08,749 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:30:09,657 INFO L134 CoverageAnalysis]: Checked inductivity of 2621 backedges. 1530 proven. 236 refuted. 0 times theorem prover too weak. 855 trivial. 0 not checked. [2025-04-14 16:30:09,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [2123726487] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:30:09,658 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 16:30:09,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30] total 57 [2025-04-14 16:30:09,658 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 16:30:09,658 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 470 [2025-04-14 16:30:09,684 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:30:09,684 INFO L85 PathProgramCache]: Analyzing trace with hash 469411780, now seen corresponding path program 1 times [2025-04-14 16:30:09,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:30:09,685 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31060406] [2025-04-14 16:30:09,685 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:30:09,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:30:09,716 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 471 statements into 1 equivalence classes. [2025-04-14 16:30:09,875 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 471 of 471 statements. [2025-04-14 16:30:09,875 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:30:09,875 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:30:11,743 INFO L134 CoverageAnalysis]: Checked inductivity of 2627 backedges. 459 proven. 1307 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2025-04-14 16:30:11,744 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 16:30:11,744 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31060406] [2025-04-14 16:30:11,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31060406] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:30:11,744 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [64812748] [2025-04-14 16:30:11,744 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:30:11,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:30:11,777 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 471 statements into 1 equivalence classes. [2025-04-14 16:30:11,961 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 471 of 471 statements. [2025-04-14 16:30:11,961 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:30:11,961 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:30:11,969 INFO L256 TraceCheckSpWp]: Trace formula consists of 2013 conjuncts, 32 conjuncts are in the unsatisfiable core [2025-04-14 16:30:11,973 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:30:12,899 INFO L134 CoverageAnalysis]: Checked inductivity of 2627 backedges. 1530 proven. 236 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2025-04-14 16:30:12,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [64812748] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:30:12,899 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 16:30:12,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30] total 57 [2025-04-14 16:30:12,899 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 16:30:12,899 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 478 [2025-04-14 16:30:12,899 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:30:12,899 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 482 [2025-04-14 16:30:12,899 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:30:12,899 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 484 [2025-04-14 16:30:12,900 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:30:12,900 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 488 [2025-04-14 16:30:12,900 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:30:12,900 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 16:30:12,900 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:30:12,900 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:30:12,900 INFO L85 PathProgramCache]: Analyzing trace with hash 692332634, now seen corresponding path program 21 times [2025-04-14 16:30:12,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:30:12,900 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094039458] [2025-04-14 16:30:12,900 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 16:30:12,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:30:12,936 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 490 statements into 18 equivalence classes. [2025-04-14 16:30:13,029 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 131 of 490 statements. [2025-04-14 16:30:13,029 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-04-14 16:30:13,029 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:30:13,245 INFO L134 CoverageAnalysis]: Checked inductivity of 2640 backedges. 249 proven. 1 refuted. 0 times theorem prover too weak. 2390 trivial. 0 not checked. [2025-04-14 16:30:13,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:30:13,245 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094039458] [2025-04-14 16:30:13,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094039458] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:30:13,245 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [728359845] [2025-04-14 16:30:13,245 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 16:30:13,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:30:13,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:30:13,247 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 16:30:13,248 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2025-04-14 16:30:13,533 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 490 statements into 18 equivalence classes. [2025-04-14 16:30:13,592 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 131 of 490 statements. [2025-04-14 16:30:13,592 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-04-14 16:30:13,592 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:30:13,595 INFO L256 TraceCheckSpWp]: Trace formula consists of 682 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-04-14 16:30:13,598 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:30:13,691 INFO L134 CoverageAnalysis]: Checked inductivity of 2640 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 2629 trivial. 0 not checked. [2025-04-14 16:30:13,691 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 16:30:13,759 INFO L134 CoverageAnalysis]: Checked inductivity of 2640 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2631 trivial. 0 not checked. [2025-04-14 16:30:13,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [728359845] provided 1 perfect and 1 imperfect interpolant sequences [2025-04-14 16:30:13,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2025-04-14 16:30:13,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5, 9] total 16 [2025-04-14 16:30:13,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354460047] [2025-04-14 16:30:13,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 16:30:13,759 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-04-14 16:30:13,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:30:13,760 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-04-14 16:30:13,760 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2025-04-14 16:30:13,760 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:30:13,760 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:30:13,760 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 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) [2025-04-14 16:30:13,760 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:30:13,760 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:30:13,760 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:30:13,760 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-14 16:30:13,760 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:30:13,760 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:30:13,760 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:30:13,760 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 16:30:13,760 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:30:13,760 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:30:13,760 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:30:13,760 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:30:13,760 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 16:30:13,760 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 16:30:13,760 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2025-04-14 16:30:13,760 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:30:13,760 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:30:13,760 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:30:13,760 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-14 16:30:13,760 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-14 16:30:13,760 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2025-04-14 16:30:13,761 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-14 16:30:13,761 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-14 16:30:13,761 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:30:13,761 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-04-14 16:30:13,761 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-04-14 16:30:13,761 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:30:13,761 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-04-14 16:30:13,761 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-14 16:30:13,761 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:30:14,260 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:30:14,260 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:30:14,260 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:30:14,260 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-14 16:30:14,260 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:30:14,260 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:30:14,260 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:30:14,260 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 16:30:14,260 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:30:14,260 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:30:14,260 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:30:14,260 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:30:14,260 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 16:30:14,260 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 16:30:14,260 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2025-04-14 16:30:14,260 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:30:14,260 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:30:14,260 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:30:14,260 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-14 16:30:14,260 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-14 16:30:14,260 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2025-04-14 16:30:14,260 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-14 16:30:14,260 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-14 16:30:14,261 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:30:14,261 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-04-14 16:30:14,261 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-04-14 16:30:14,261 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:30:14,261 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-14 16:30:14,261 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-14 16:30:14,261 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:30:14,268 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2025-04-14 16:30:14,461 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70,SelfDestructingSolverStorable71,SelfDestructingSolverStorable72,SelfDestructingSolverStorable73,SelfDestructingSolverStorable74,SelfDestructingSolverStorable68,SelfDestructingSolverStorable69,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:30:14,461 INFO L403 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-14 16:30:14,461 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:30:14,462 INFO L139 ounterexampleChecker]: Examining path program with hash -1382669689, occurence #1 [2025-04-14 16:30:14,462 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 16:30:14,462 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:30:14,462 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:30:14,462 INFO L85 PathProgramCache]: Analyzing trace with hash 1745479264, now seen corresponding path program 22 times [2025-04-14 16:30:14,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:30:14,462 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395709460] [2025-04-14 16:30:14,462 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 16:30:14,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:30:14,495 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 482 statements into 2 equivalence classes. [2025-04-14 16:30:14,659 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 482 of 482 statements. [2025-04-14 16:30:14,659 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-14 16:30:14,659 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:30:16,507 INFO L134 CoverageAnalysis]: Checked inductivity of 2634 backedges. 459 proven. 1307 refuted. 0 times theorem prover too weak. 868 trivial. 0 not checked. [2025-04-14 16:30:16,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:30:16,508 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395709460] [2025-04-14 16:30:16,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395709460] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:30:16,508 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1780202242] [2025-04-14 16:30:16,508 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 16:30:16,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:30:16,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:30:16,510 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 16:30:16,511 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2025-04-14 16:30:16,798 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 482 statements into 2 equivalence classes. [2025-04-14 16:30:16,954 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 482 of 482 statements. [2025-04-14 16:30:16,954 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-14 16:30:16,954 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:30:16,962 INFO L256 TraceCheckSpWp]: Trace formula consists of 2058 conjuncts, 32 conjuncts are in the unsatisfiable core [2025-04-14 16:30:16,966 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:30:17,747 INFO L134 CoverageAnalysis]: Checked inductivity of 2634 backedges. 1916 proven. 91 refuted. 0 times theorem prover too weak. 627 trivial. 0 not checked. [2025-04-14 16:30:17,748 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 16:30:18,615 INFO L134 CoverageAnalysis]: Checked inductivity of 2634 backedges. 1726 proven. 281 refuted. 0 times theorem prover too weak. 627 trivial. 0 not checked. [2025-04-14 16:30:18,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1780202242] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 16:30:18,615 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 16:30:18,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30, 30] total 84 [2025-04-14 16:30:18,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205953359] [2025-04-14 16:30:18,615 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 16:30:18,616 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 84 states [2025-04-14 16:30:18,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:30:18,617 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 84 interpolants. [2025-04-14 16:30:18,618 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1308, Invalid=5664, Unknown=0, NotChecked=0, Total=6972 [2025-04-14 16:30:18,618 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:30:18,618 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:30:18,618 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 84 states, 84 states have (on average 7.25) internal successors, (609), 84 states have internal predecessors, (609), 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) [2025-04-14 16:30:18,618 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:30:18,618 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:30:18,618 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:30:18,618 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-14 16:30:18,618 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:30:18,618 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:30:18,618 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:30:18,618 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 16:30:18,618 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:30:18,618 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:30:18,618 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:30:18,618 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:30:18,618 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 16:30:18,618 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 16:30:18,618 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2025-04-14 16:30:18,619 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:30:18,619 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:30:18,619 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:30:18,619 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-14 16:30:18,619 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-14 16:30:18,619 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2025-04-14 16:30:18,619 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-14 16:30:18,619 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-14 16:30:18,619 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:30:18,619 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-04-14 16:30:18,619 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-04-14 16:30:18,619 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:30:18,619 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-04-14 16:30:18,619 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-14 16:30:18,619 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:30:18,619 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:30:19,154 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:30:19,154 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:30:19,154 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:30:19,154 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-14 16:30:19,154 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:30:19,154 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:30:19,154 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:30:19,154 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 16:30:19,154 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:30:19,154 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:30:19,154 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:30:19,154 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:30:19,154 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 16:30:19,154 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 16:30:19,154 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2025-04-14 16:30:19,154 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:30:19,154 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:30:19,154 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:30:19,154 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-14 16:30:19,154 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-14 16:30:19,154 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2025-04-14 16:30:19,154 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-14 16:30:19,154 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-14 16:30:19,154 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:30:19,154 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-04-14 16:30:19,154 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-04-14 16:30:19,154 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:30:19,154 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-14 16:30:19,154 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-14 16:30:19,154 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:30:19,155 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-14 16:30:19,164 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2025-04-14 16:30:19,355 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75,25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:30:19,355 INFO L403 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-14 16:30:19,355 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:30:19,356 INFO L139 ounterexampleChecker]: Examining path program with hash -1382669689, occurence #2 [2025-04-14 16:30:19,356 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 16:30:19,356 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 16:30:19,356 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:30:19,356 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-04-14 16:30:19,356 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:30:19,356 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2025-04-14 16:30:19,356 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:30:19,356 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 47 [2025-04-14 16:30:19,356 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:30:19,356 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2025-04-14 16:30:19,356 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:30:19,356 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-04-14 16:30:19,356 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:30:19,356 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 252 [2025-04-14 16:30:19,394 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:30:19,394 INFO L85 PathProgramCache]: Analyzing trace with hash -1771295743, now seen corresponding path program 1 times [2025-04-14 16:30:19,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:30:19,395 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337124980] [2025-04-14 16:30:19,395 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:30:19,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:30:19,417 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 253 statements into 1 equivalence classes. [2025-04-14 16:30:19,472 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 253 of 253 statements. [2025-04-14 16:30:19,472 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:30:19,472 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:30:20,516 INFO L134 CoverageAnalysis]: Checked inductivity of 1071 backedges. 706 proven. 166 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2025-04-14 16:30:20,516 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 16:30:20,516 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337124980] [2025-04-14 16:30:20,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337124980] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:30:20,516 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1122067798] [2025-04-14 16:30:20,516 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:30:20,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:30:20,539 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 253 statements into 1 equivalence classes. [2025-04-14 16:30:20,606 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 253 of 253 statements. [2025-04-14 16:30:20,606 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:30:20,606 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:30:20,612 INFO L256 TraceCheckSpWp]: Trace formula consists of 1241 conjuncts, 34 conjuncts are in the unsatisfiable core [2025-04-14 16:30:20,614 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:30:21,471 INFO L134 CoverageAnalysis]: Checked inductivity of 1071 backedges. 767 proven. 105 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2025-04-14 16:30:21,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1122067798] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:30:21,471 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 16:30:21,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32] total 61 [2025-04-14 16:30:21,472 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 16:30:21,472 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 363 is hopeless, skipping. [2025-04-14 16:30:21,472 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 459 [2025-04-14 16:30:21,472 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:30:21,472 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 462 [2025-04-14 16:30:21,485 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:30:21,485 INFO L85 PathProgramCache]: Analyzing trace with hash -211095204, now seen corresponding path program 1 times [2025-04-14 16:30:21,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:30:21,485 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61445345] [2025-04-14 16:30:21,485 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:30:21,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:30:21,522 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 463 statements into 1 equivalence classes. [2025-04-14 16:30:21,673 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 463 of 463 statements. [2025-04-14 16:30:21,673 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:30:21,673 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:30:23,517 INFO L134 CoverageAnalysis]: Checked inductivity of 2635 backedges. 540 proven. 1368 refuted. 0 times theorem prover too weak. 727 trivial. 0 not checked. [2025-04-14 16:30:23,517 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 16:30:23,517 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61445345] [2025-04-14 16:30:23,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61445345] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:30:23,517 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1812169376] [2025-04-14 16:30:23,518 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:30:23,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:30:23,549 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 463 statements into 1 equivalence classes. [2025-04-14 16:30:23,721 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 463 of 463 statements. [2025-04-14 16:30:23,721 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:30:23,721 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:30:23,730 INFO L256 TraceCheckSpWp]: Trace formula consists of 1984 conjuncts, 34 conjuncts are in the unsatisfiable core [2025-04-14 16:30:23,733 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:30:24,702 INFO L134 CoverageAnalysis]: Checked inductivity of 2635 backedges. 1635 proven. 273 refuted. 0 times theorem prover too weak. 727 trivial. 0 not checked. [2025-04-14 16:30:24,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1812169376] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:30:24,702 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 16:30:24,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32] total 61 [2025-04-14 16:30:24,703 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 16:30:24,703 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 471 [2025-04-14 16:30:24,729 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:30:24,729 INFO L85 PathProgramCache]: Analyzing trace with hash -819633314, now seen corresponding path program 1 times [2025-04-14 16:30:24,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:30:24,729 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284767832] [2025-04-14 16:30:24,729 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:30:24,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:30:24,760 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 472 statements into 1 equivalence classes. [2025-04-14 16:30:24,954 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 472 of 472 statements. [2025-04-14 16:30:24,954 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:30:24,954 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:30:26,817 INFO L134 CoverageAnalysis]: Checked inductivity of 2641 backedges. 540 proven. 1368 refuted. 0 times theorem prover too weak. 733 trivial. 0 not checked. [2025-04-14 16:30:26,817 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 16:30:26,817 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284767832] [2025-04-14 16:30:26,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284767832] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:30:26,818 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1870251024] [2025-04-14 16:30:26,818 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:30:26,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:30:26,849 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 472 statements into 1 equivalence classes. [2025-04-14 16:30:27,057 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 472 of 472 statements. [2025-04-14 16:30:27,058 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:30:27,058 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:30:27,067 INFO L256 TraceCheckSpWp]: Trace formula consists of 2022 conjuncts, 34 conjuncts are in the unsatisfiable core [2025-04-14 16:30:27,071 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:30:28,048 INFO L134 CoverageAnalysis]: Checked inductivity of 2641 backedges. 1635 proven. 273 refuted. 0 times theorem prover too weak. 733 trivial. 0 not checked. [2025-04-14 16:30:28,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1870251024] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:30:28,048 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 16:30:28,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32] total 61 [2025-04-14 16:30:28,048 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 16:30:28,048 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 477 [2025-04-14 16:30:28,049 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:30:28,049 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 481 [2025-04-14 16:30:28,049 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:30:28,049 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 16:30:28,049 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:30:28,049 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:30:28,049 INFO L85 PathProgramCache]: Analyzing trace with hash 1308633737, now seen corresponding path program 23 times [2025-04-14 16:30:28,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:30:28,049 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199154417] [2025-04-14 16:30:28,049 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 16:30:28,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:30:28,084 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 483 statements into 18 equivalence classes. [2025-04-14 16:30:29,438 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 18 check-sat command(s) and asserted 483 of 483 statements. [2025-04-14 16:30:29,438 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 18 check-sat command(s) [2025-04-14 16:30:29,438 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:30:32,079 INFO L134 CoverageAnalysis]: Checked inductivity of 2648 backedges. 1892 proven. 540 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2025-04-14 16:30:32,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:30:32,079 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199154417] [2025-04-14 16:30:32,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199154417] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:30:32,079 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1651419540] [2025-04-14 16:30:32,079 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 16:30:32,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:30:32,079 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:30:32,081 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 16:30:32,082 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2025-04-14 16:30:32,411 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 483 statements into 18 equivalence classes. Received shutdown request... [2025-04-14 16:40:01,689 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2025-04-14 16:40:01,691 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2025-04-14 16:40:01,699 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2025-04-14 16:40:02,704 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 [2025-04-14 16:40:02,706 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2025-04-14 16:40:02,900 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forcibly destroying the process [2025-04-14 16:40:03,041 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 137 [2025-04-14 16:40:03,043 WARN L301 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-04-14 16:40:03,043 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-04-14 16:40:03,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44] total 44 [2025-04-14 16:40:03,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81539478] [2025-04-14 16:40:03,043 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-04-14 16:40:03,043 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2025-04-14 16:40:03,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:40:03,044 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2025-04-14 16:40:03,045 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=490, Invalid=1402, Unknown=0, NotChecked=0, Total=1892 [2025-04-14 16:40:03,045 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:40:03,045 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:40:03,045 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 9.159090909090908) internal successors, (403), 44 states have internal predecessors, (403), 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) [2025-04-14 16:40:03,045 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:40:03,045 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:40:03,045 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:40:03,045 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-14 16:40:03,045 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:40:03,045 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:40:03,045 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:40:03,045 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 16:40:03,045 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:40:03,045 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:40:03,045 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:40:03,045 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:40:03,045 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 16:40:03,045 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 16:40:03,045 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2025-04-14 16:40:03,045 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:40:03,045 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:40:03,045 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:40:03,045 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-14 16:40:03,045 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-14 16:40:03,045 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2025-04-14 16:40:03,046 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-14 16:40:03,046 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-14 16:40:03,046 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:40:03,046 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-04-14 16:40:03,046 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-04-14 16:40:03,046 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:40:03,046 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-04-14 16:40:03,046 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-14 16:40:03,046 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:40:03,046 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-04-14 16:40:03,046 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:40:03,047 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80,SelfDestructingSolverStorable81,SelfDestructingSolverStorable82,SelfDestructingSolverStorable76,SelfDestructingSolverStorable77,SelfDestructingSolverStorable78,SelfDestructingSolverStorable79 [2025-04-14 16:40:03,047 WARN L610 AbstractCegarLoop]: Verification canceled: while executing Executor. [2025-04-14 16:40:03,050 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2025-04-14 16:40:03,050 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 5 remaining) [2025-04-14 16:40:03,050 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2025-04-14 16:40:03,050 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2025-04-14 16:40:03,050 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2025-04-14 16:40:03,054 INFO L422 BasicCegarLoop]: Path program histogram: [23, 6, 1] [2025-04-14 16:40:03,057 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-04-14 16:40:03,057 INFO L171 ceAbstractionStarter]: Computing trace abstraction results [2025-04-14 16:40:03,060 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.04 04:40:03 BasicIcfg [2025-04-14 16:40:03,060 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-04-14 16:40:03,060 INFO L158 Benchmark]: Toolchain (without parser) took 856801.22ms. Allocated memory was 155.2MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 110.8MB in the beginning and 623.0MB in the end (delta: -512.2MB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. [2025-04-14 16:40:03,060 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 159.4MB. Free memory was 86.1MB in the beginning and 86.0MB in the end (delta: 188.8kB). There was no memory consumed. Max. memory is 8.0GB. [2025-04-14 16:40:03,061 INFO L158 Benchmark]: CACSL2BoogieTranslator took 285.71ms. Allocated memory is still 155.2MB. Free memory was 110.8MB in the beginning and 95.1MB in the end (delta: 15.7MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2025-04-14 16:40:03,061 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.60ms. Allocated memory is still 155.2MB. Free memory was 95.1MB in the beginning and 91.7MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-04-14 16:40:03,063 INFO L158 Benchmark]: Boogie Preprocessor took 30.60ms. Allocated memory is still 155.2MB. Free memory was 91.7MB in the beginning and 90.0MB in the end (delta: 1.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-04-14 16:40:03,063 INFO L158 Benchmark]: IcfgBuilder took 702.55ms. Allocated memory is still 155.2MB. Free memory was 90.0MB in the beginning and 83.0MB in the end (delta: 7.0MB). Peak memory consumption was 70.8MB. Max. memory is 8.0GB. [2025-04-14 16:40:03,063 INFO L158 Benchmark]: TraceAbstraction took 855737.11ms. Allocated memory was 155.2MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 82.1MB in the beginning and 623.0MB in the end (delta: -540.9MB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. [2025-04-14 16:40:03,064 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 159.4MB. Free memory was 86.1MB in the beginning and 86.0MB in the end (delta: 188.8kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 285.71ms. Allocated memory is still 155.2MB. Free memory was 110.8MB in the beginning and 95.1MB in the end (delta: 15.7MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 41.60ms. Allocated memory is still 155.2MB. Free memory was 95.1MB in the beginning and 91.7MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 30.60ms. Allocated memory is still 155.2MB. Free memory was 91.7MB in the beginning and 90.0MB in the end (delta: 1.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * IcfgBuilder took 702.55ms. Allocated memory is still 155.2MB. Free memory was 90.0MB in the beginning and 83.0MB in the end (delta: 7.0MB). Peak memory consumption was 70.8MB. Max. memory is 8.0GB. * TraceAbstraction took 855737.11ms. Allocated memory was 155.2MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 82.1MB in the beginning and 623.0MB in the end (delta: -540.9MB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 310451, independent: 275859, independent conditional: 274526, independent unconditional: 1333, dependent: 34592, dependent conditional: 34572, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 279110, independent: 275859, independent conditional: 274526, independent unconditional: 1333, dependent: 3251, dependent conditional: 3231, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 279110, independent: 275859, independent conditional: 274526, independent unconditional: 1333, dependent: 3251, dependent conditional: 3231, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 367377, independent: 275859, independent conditional: 274526, independent unconditional: 1333, dependent: 91518, dependent conditional: 91498, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 367377, independent: 275859, independent conditional: 10424, independent unconditional: 265435, dependent: 91518, dependent conditional: 38315, dependent unconditional: 53203, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 367377, independent: 275859, independent conditional: 10424, independent unconditional: 265435, dependent: 91518, dependent conditional: 38315, dependent unconditional: 53203, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1605, independent: 1203, independent conditional: 51, independent unconditional: 1152, dependent: 402, dependent conditional: 382, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1605, independent: 1146, independent conditional: 0, independent unconditional: 1146, dependent: 459, dependent conditional: 0, dependent unconditional: 459, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 459, independent: 57, independent conditional: 51, independent unconditional: 6, dependent: 402, dependent conditional: 382, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 459, independent: 57, independent conditional: 51, independent unconditional: 6, dependent: 402, dependent conditional: 382, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 9589, independent: 1197, independent conditional: 1036, independent unconditional: 162, dependent: 8392, dependent conditional: 7751, dependent unconditional: 641, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 28, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 367377, independent: 274656, independent conditional: 10373, independent unconditional: 264283, dependent: 91116, dependent conditional: 37933, dependent unconditional: 53183, unknown: 1605, unknown conditional: 433, unknown unconditional: 1172] , Statistics on independence cache: Total cache size (in pairs): 1633, Positive cache size: 1231, Positive conditional cache size: 79, Positive unconditional cache size: 1152, Negative cache size: 402, Negative conditional cache size: 382, Negative unconditional cache size: 20, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 317285, Maximal queried relation: 18, Independence queries for same thread: 31341, Persistent sets #1 benchmarks: Persistent set computation time: 0.9s, Number of persistent set computation: 598, Number of trivial persistent sets: 386, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1353, independent: 1333, independent conditional: 0, independent unconditional: 1333, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 310451, independent: 275859, independent conditional: 274526, independent unconditional: 1333, dependent: 34592, dependent conditional: 34572, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 279110, independent: 275859, independent conditional: 274526, independent unconditional: 1333, dependent: 3251, dependent conditional: 3231, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 279110, independent: 275859, independent conditional: 274526, independent unconditional: 1333, dependent: 3251, dependent conditional: 3231, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 367377, independent: 275859, independent conditional: 274526, independent unconditional: 1333, dependent: 91518, dependent conditional: 91498, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 367377, independent: 275859, independent conditional: 10424, independent unconditional: 265435, dependent: 91518, dependent conditional: 38315, dependent unconditional: 53203, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 367377, independent: 275859, independent conditional: 10424, independent unconditional: 265435, dependent: 91518, dependent conditional: 38315, dependent unconditional: 53203, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1605, independent: 1203, independent conditional: 51, independent unconditional: 1152, dependent: 402, dependent conditional: 382, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1605, independent: 1146, independent conditional: 0, independent unconditional: 1146, dependent: 459, dependent conditional: 0, dependent unconditional: 459, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 459, independent: 57, independent conditional: 51, independent unconditional: 6, dependent: 402, dependent conditional: 382, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 459, independent: 57, independent conditional: 51, independent unconditional: 6, dependent: 402, dependent conditional: 382, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 9589, independent: 1197, independent conditional: 1036, independent unconditional: 162, dependent: 8392, dependent conditional: 7751, dependent unconditional: 641, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 28, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 367377, independent: 274656, independent conditional: 10373, independent unconditional: 264283, dependent: 91116, dependent conditional: 37933, dependent unconditional: 53183, unknown: 1605, unknown conditional: 433, unknown unconditional: 1172] , Statistics on independence cache: Total cache size (in pairs): 1633, Positive cache size: 1231, Positive conditional cache size: 79, Positive unconditional cache size: 1152, Negative cache size: 402, Negative conditional cache size: 382, Negative unconditional cache size: 20, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 317285, Maximal queried relation: 18, Independence queries for same thread: 31341 - TimeoutResultAtElement [Line: 155]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while executing Executor. - TimeoutResultAtElement [Line: 147]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing Executor. - TimeoutResultAtElement [Line: 145]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing Executor. - TimeoutResultAtElement [Line: 148]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing Executor. - TimeoutResultAtElement [Line: 146]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 9 procedures, 76 locations, 86 edges, 5 error locations. Started 1 CEGAR loops. OverallTime: 855.6s, OverallIterations: 32, TraceHistogramMax: 0, PathProgramHistogramMax: 23, EmptinessCheckTime: 22.8s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 567, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.0s SsaConstructionTime, 174.4s SatisfiabilityAnalysisTime, 35.1s InterpolantComputationTime, 10931 NumberOfCodeBlocks, 9465 NumberOfCodeBlocksAsserted, 177 NumberOfCheckSat, 15302 ConstructedInterpolants, 0 QuantifiedInterpolants, 60961 SizeOfPredicates, 76 NumberOfNonLiveVariables, 20395 ConjunctsInSsa, 397 ConjunctsInUnsatCore, 74 InterpolantComputations, 9 PerfectInterpolantSequences, 44704/51496 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: SuccessfulCommutativityProofs: 2, ConComChecker Statistics: CheckTime [ms]: 43635, ConditionCalculationTime [ms]: 1029, ConditionCalculations: 110, QuantifiedConditions: 0, TraceChecks: 28, UnknownTraceChecks: 0, UnsatisfiedConditions: 1, ImperfectProofs: 25 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown